How long is the flight from London Heathrow Airport to Dallas?

Departing from London Heathrow Airport to Dallas will take you 31h 37m. The distance between London Heathrow Airport and Dallas is about 4732 mi.

What are the cheapest airlines flying from London Heathrow Airport to Dallas round-trip?

According to our current data, Lufthansa (£428), Icelandair (£441), and JetBlue (£452) offers the cheapest pricing from London Heathrow Airport to Dallas. You may be able to fly from London Heathrow Airport to Dallas for 42% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from London Heathrow Airport to Dallas one-way?

£438 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on WestJet and Air France, with prices starting from £453 and £460, respectively.

In terms of precipitation, rainfall in Dallas ranges from 48.0 - 125.0 inches per month. May is typically the wettest month, when rainfall can reach 125.0 mm. August is typically the driest time to visit Dallas when rainfall is around 48.0 mm.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 8.0 C).

What are the cheapest flights from London Heathrow Airport to Dallas?

While on average a flight from London Heathrow Airport to Dallas is generally £1,733, our data shows the cheapest flight currently is £523. When looking at the most popular route, (London Heathrow - Dallas/Fort Worth), you can expect to pay £385 for that flight.

What are the most reliable airlines from London Heathrow Airport to Dallas?

The top 3 most reliable airlines when flying from London Heathrow Airport to Dallas are Malaysia Airlines (89%), American Airlines (68%) and Iberia (68%).

What are the most popular airlines that fly from London Heathrow Airport to Dallas?

American Airlines, Air Canada and Air France are the most popular airlines when flying from London Heathrow Airport to Dallas.

What is the cheapest day to fly round-trip from London Heathrow Airport to Dallas?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from London Heathrow Airport to Dallas?

Travelers have found it’s best to book a flight 52 days in advance to save up to 28% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to Dallas 1-2 weeks in advance for as low as £686, or £915 for flights within the next 24 hours.

What is the cheapest month to fly from London Heathrow Airport to Dallas?

January can be a great time to fly to Dallas from London Heathrow Airport with a flight ticket averaging about £735. Cheapflights users have found deals in the month of January for as cheap as £470. The most expensive prices can be found in the month of August.

Can I find deals for flights from Heathrow to Dallas that include hotel bookings?

Yes. In addition to deals on Heathrow to Dallas flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Dallas?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Dallas.

Can I find deals for business class flights from Heathrow to Dallas?

Yes. Cheapflights offers flight deals from Heathrow to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£272+ Cheap Flights from London Heathrow Airport to Dallas

Q: How much does it cost for a return flight from London Heathrow Airport to Dallas?

Airfare is below average for this route at the moment. London Heathrow Airport to Dallas flights typically cost between £578 and £734 in October. The cheapest return flight price found within the last 3 days was £505 on Multiple Airlines (31 Oct-7 Nov).

Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in January or February, booked 45 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Heathrow to Dallas

Round-trip from	£505
One-way from	£272
Popular in	July
Cheapest in	January
Average price	£673

31/10-7/11
2 total stops
51h 22m total
London to Dallas

Search Deals

2/11
3 total stops
59h 20m total
London to Dallas

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£100 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Heathrow to Dallas

Cheapest flights from Heathrow to Dallas
Explore the most affordable flight options available from Heathrow to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Fri 31/1015:35LHR - DFW

1 stop29h 26mMultiple Airlines

Fri 7/1107:19DFW - LHR

1 stop21h 56mMultiple Airlines

Deal found 31/8£505

Wed 1/1014:05LHR - DFW

3 stops33h 52mMultiple Airlines

Mon 6/1005:35DFW - LHR

3 stops22h 00mMultiple Airlines

Deal found 31/8£507

Fri 19/912:55LHR - DFW

1 stop17h 55mMultiple Airlines

Sun 5/1007:15DFW - LHR

1 stop20h 00mMultiple Airlines

Deal found 31/8£508

Wed 22/1007:40LHR - DFW

2 stops19h 16mMultiple Airlines

Mon 3/1108:00DFW - LHR

2 stops19h 15mMultiple Airlines

Deal found 31/8£510

Wed 15/1014:05LHR - DFW

3 stops33h 40mMultiple Airlines

Wed 22/1005:35DFW - LHR

3 stops22h 00mMultiple Airlines

Deal found 31/8£511

Mon 8/908:20LHR - DFW

1 stop21h 39mMultiple Airlines

Mon 22/905:00DFW - LHR

1 stop20h 15mMultiple Airlines

Deal found 31/8£511

Mon 8/908:20LHR - DFW

1 stop21h 39mMultiple Airlines

Tue 16/909:57DFW - LHR

1 stop15h 18mMultiple Airlines

Deal found 1/9£514

Wed 17/913:45LHR - DFW

3 stops34h 12mMultiple Airlines

Sun 21/905:05DFW - LHR

3 stops29h 20mMultiple Airlines

Deal found 1/9£514

Thu 18/912:55LHR - DFW

1 stop17h 55mMultiple Airlines

Sun 21/907:15DFW - LHR

1 stop18h 00mMultiple Airlines

Deal found 1/9£516

Fri 19/916:00LHR - DFW

2 stops25h 01mMultiple Airlines

Sun 28/906:29DFW - LHR

3 stops18h 01mMultiple Airlines

Deal found 31/8£516

Mon 29/920:05LHR - DFW

2 stops33h 40mMultiple Airlines

Mon 6/1022:45DFW - LHR

2 stops28h 50mMultiple Airlines

Deal found 31/8£519

Thu 23/1012:00LHR - DFW

3 stops35h 19mMultiple Airlines

Mon 27/1014:46DFW - LHR

2 stops24h 04mMultiple Airlines

Deal found 1/9£523

Best flights from Heathrow to Dallas
Discover carefully curated flight deals from Heathrow to Dallas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 September 2025.

Fri 10/1007:40LHR - DFW

3 stops35h 15mMultiple Airlines

Mon 20/1015:49DFW - LHR

2 stops21h 06mMultiple Airlines

Deal found 1/9£528

Thu 18/919:30LHR - DAL

2 stops31h 37mScandinavian Airlines

Thu 2/1011:59DAL - LHR

2 stops22h 01mScandinavian Airlines

Deal found 1/9£562

Fri 20/219:30LHR - DAL

2 stops33h 06mScandinavian Airlines

Sat 21/315:45DAL - LHR

2 stops19h 15mScandinavian Airlines

Deal found 1/9£570

Sat 7/206:40LHR - DAL

2 stops21h 56mScandinavian Airlines

Sat 21/215:45DAL - LHR

2 stops19h 55mScandinavian Airlines

Deal found 1/9£570

Thu 2/1017:00LHR - DAL

2 stops36h 49mScandinavian Airlines

Tue 7/1015:45DAL - LHR

2 stops19h 55mScandinavian Airlines

Deal found 1/9£571

Thu 30/1006:40LHR - DAL

2 stops22h 15mScandinavian Airlines

Mon 10/1115:59DAL - LHR

2 stops20h 31mScandinavian Airlines

Deal found 1/9£571

Thu 23/1006:40LHR - DAL

2 stops23h 15mScandinavian Airlines

Tue 28/1015:45DAL - LHR

2 stops20h 55mScandinavian Airlines

Deal found 1/9£571

Tue 23/906:40LHR - DAL

2 stops20h 27mScandinavian Airlines

Tue 30/911:59DAL - LHR

2 stops23h 41mScandinavian Airlines

Deal found 2/9£573

Sat 25/1006:40LHR - DAL

2 stops23h 15mScandinavian Airlines

Fri 31/1015:56DAL - LHR

2 stops36h 24mScandinavian Airlines

Deal found 1/9£574

Tue 7/1006:40LHR - DFW

2 stops23h 19mScandinavian Airlines

Wed 22/1008:20DFW - LHR

2 stops24h 15mScandinavian Airlines

Deal found 1/9£581

Thu 18/907:05LHR - DFW

2 stops19h 57mScandinavian Airlines

Thu 2/1013:47DFW - LHR

2 stops20h 13mScandinavian Airlines

Deal found 31/8£581

Mon 6/1019:30LHR - DAL

2 stops34h 25mScandinavian Airlines

Tue 21/1015:45DAL - LHR

2 stops18h 15mScandinavian Airlines

Deal found 1/9£581

Direct flights from Heathrow to Dallas
Explore direct flight options from Heathrow to Dallas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 September 2025.

Wed 1/1012:00LHR - DFW

Nonstop10h 15mBritish Airways

Thu 16/1021:45DFW - LHR

Nonstop9h 00mBritish Airways

Deal found 31/8£607

Wed 4/214:55LHR - DFW

Nonstop10h 15mBritish Airways

Wed 11/221:15DFW - LHR

Nonstop9h 00mBritish Airways

Deal found 1/9£623

Mon 15/915:10LHR - DFW

Nonstop10h 05mBritish Airways

Mon 29/919:40DFW - LHR

Nonstop9h 10mBritish Airways

Deal found 31/8£625

Tue 30/908:20LHR - DFW

Nonstop10h 10mBritish Airways

Wed 8/1018:00DFW - LHR

Nonstop9h 00mBritish Airways

Deal found 31/8£626

Tue 7/1010:30LHR - DFW

Nonstop10h 25mBritish Airways

Tue 21/1015:25DFW - LHR

Nonstop9h 00mBritish Airways

Deal found 1/9£630

Thu 11/908:20LHR - DFW

Nonstop10h 05mBritish Airways

Mon 15/919:40DFW - LHR

Nonstop9h 10mBritish Airways

Deal found 31/8£638

Sun 5/1016:25LHR - DFW

Nonstop10h 10mBritish Airways

Thu 23/1018:00DFW - LHR

Nonstop9h 00mBritish Airways

Deal found 1/9£641

Tue 24/214:55LHR - DFW

Nonstop10h 15mAmerican Airlines

Mon 2/321:15DFW - LHR

Nonstop9h 00mAmerican Airlines

Deal found 1/9£650

Tue 28/1011:55LHR - DFW

Nonstop10h 15mAmerican Airlines

Mon 3/1118:50DFW - LHR

Nonstop9h 10mAmerican Airlines

Deal found 31/8£651

Sat 22/1114:55LHR - DFW

Nonstop10h 15mBritish Airways

Mon 1/1221:15DFW - LHR

Nonstop9h 00mBritish Airways

Deal found 1/9£652

Sat 13/916:25LHR - DFW

Nonstop10h 14mBritish Airways

Mon 29/922:59DFW - LHR

Nonstop9h 26mBritish Airways

Deal found 1/9£655

Thu 2/1015:10LHR - DFW

Nonstop10h 05mAmerican Airlines

Wed 15/1022:59DFW - LHR

Nonstop9h 26mAmerican Airlines

Deal found 31/8£655

Last-minute flights from Heathrow to Dallas
Discover last-minute flight deals from Heathrow to Dallas. Data last updated 2 September 2025 and is based on user searches.

Mon 8/908:20LHR - DFW

1 stop21h 39mMultiple Airlines

Mon 22/905:00DFW - LHR

1 stop20h 15mMultiple Airlines

Deal found 31/8£511

Mon 8/908:20LHR - DFW

1 stop21h 39mMultiple Airlines

Tue 16/909:57DFW - LHR

1 stop15h 18mMultiple Airlines

Deal found 1/9£514

Mon 8/906:55LHR - DFW

2 stops22h 50mMultiple Airlines

Mon 15/922:36DFW - LHR

2 stops28h 59mMultiple Airlines

Deal found 1/9£551

Mon 8/908:20LHR - DFW

2 stops32h 55mMultiple Airlines

Sun 14/911:00DFW - LHR

1 stop14h 15mMultiple Airlines

Deal found 1/9£557

Mon 8/915:15LHR - DAL

1 stop14h 34mVirgin Atlantic

Mon 22/911:59DAL - LHR

1 stop13h 16mVirgin Atlantic

Deal found 1/9£607

Tue 9/909:20LHR - DAL

1 stop14h 23mVirgin Atlantic

Tue 23/911:59DAL - LHR

1 stop13h 16mVirgin Atlantic

Deal found 31/8£615

Thu 11/906:30LHR - DFW

2 stops21h 47mMultiple Airlines

Mon 15/905:05DFW - LHR

2 stops19h 50mMultiple Airlines

Deal found 31/8£525

Thu 18/919:30LHR - DAL

2 stops31h 37mScandinavian Airlines

Thu 2/1011:59DAL - LHR

2 stops22h 01mScandinavian Airlines

Deal found 1/9£562

Thu 18/919:30LHR - DAL

2 stops31h 37mScandinavian Airlines

Sat 27/915:52DAL - LHR

2 stops18h 08mScandinavian Airlines

Deal found 2/9£597

Fri 19/906:40LHR - DAL

2 stops23h 09mScandinavian Airlines

Fri 31/1011:40DAL - LHR

2 stops23h 20mScandinavian Airlines

Deal found 1/9£581

Tue 23/906:40LHR - DAL

2 stops20h 27mScandinavian Airlines

Tue 30/911:59DAL - LHR

2 stops23h 41mScandinavian Airlines

Deal found 2/9£573

Thu 25/906:40LHR - DAL

2 stops20h 27mScandinavian Airlines

Thu 2/1011:59DAL - LHR

2 stops23h 41mScandinavian Airlines

Deal found 2/9£598

One-way flights from Heathrow to Dallas
Search for one-way flight options from Heathrow to Dallas. Find affordable one-way fares based on user searches. Data last updated 2 September 2025.

Sun 2/1118:50LHR - DFW

3 stops59h 20mMultiple Airlines

Deal found 1/9£272

Mon 3/1109:55LHR - DFW

3 stops44h 15mMultiple Airlines

Deal found 1/9£277

Sat 13/1220:50LHR - DFW

2 stops54h 03mMultiple Airlines

Deal found 1/9£278

Thu 6/1112:25LHR - DFW

2 stops28h 06mMultiple Airlines

Deal found 1/9£297

Wed 25/209:55LHR - DFW

2 stops40h 58mMultiple Airlines

Deal found 31/8£304

Tue 16/920:50LHR - DFW

3 stops48h 57mMultiple Airlines

Deal found 1/9£305

Mon 15/1209:55LHR - DFW

2 stops34h 33mMultiple Airlines

Deal found 1/9£307

Thu 23/1019:30LHR - DFW

3 stops52h 12mMultiple Airlines

Deal found 1/9£319

Thu 16/1020:50LHR - DFW

2 stops39h 00mMultiple Airlines

Deal found 1/9£322

Thu 30/1008:55LHR - DAL

1 stop13h 59mKLM

Deal found 31/8£438

Wed 3/1214:50LHR - DAL

3 stops24h 34mWestJet

Deal found 2/9£453

Mon 15/1208:55LHR - DAL

1 stop14h 58mKLM

Deal found 1/9£460

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Fri 10/10

07:40-12:55

3 stops35h 15m

Dallas/Fort Worth

Mon 20/10

15:49-18:55

2 stops21h 06m

£528

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 18/9

19:30-21:07

2 stops31h 37m

Dallas Love Field

Thu 2/10

11:59-16:00

2 stops22h 01m

£562

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Fri 20/2

19:30-22:36

2 stops33h 06m

Dallas Love Field

Sat 21/3

15:45-16:00

2 stops19h 15m

£570

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Sat 7/2

06:40-22:36

2 stops21h 56m

Dallas Love Field

Sat 21/2

15:45-17:40

2 stops19h 55m

£570

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 2/10

17:00-23:49

2 stops36h 49m

Dallas Love Field

Tue 7/10

15:45-17:40

2 stops19h 55m

£571

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 30/10

06:40-23:55

2 stops22h 15m

Dallas Love Field

Mon 10/11

15:59-18:30

2 stops20h 31m

£571

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Thu 23/10

06:40-23:55

2 stops23h 15m

Dallas Love Field

Tue 28/10

15:45-17:40

2 stops20h 55m

£571

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Tue 23/9

06:40-21:07

2 stops20h 27m

Dallas Love Field

Tue 30/9

11:59-17:40

2 stops23h 41m

£573

LondonDallas

LHR - DAL

LHRDAL

London Heathrow

Sat 25/10

06:40-23:55

2 stops23h 15m

Dallas Love Field

Fri 31/10

15:56-09:20

2 stops36h 24m

£574

LondonDallas

LHR - DFW

LHRDFW

London Heathrow

Tue 7/10

06:40-23:59

2 stops23h 19m

Dallas/Fort Worth

Wed 22/10

08:20-14:35

2 stops24h 15m

£581

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 40 results

Best time to book a flight from Heathrow to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Heathrow with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Dallas

How far ahead should I book a flight from London Heathrow Airport to Dallas?

The best time to book flights from London Heathrow Airport to Dallas is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Dallas?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of £737). Flying from London Heathrow Airport to Dallas in July is currently the most expensive (average of £1,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to DFW?

One of the essential ways to save on airfare from London Heathrow Airport to Dallas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from London Heathrow Airport to Dallas?

Travellers seeking maximum savings on their London Heathrow Airport to Dallas flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Dallas

The most flights from LHR to A78 are scheduled on a Monday (28 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost for a return flight from London Heathrow Airport to Dallas?

Reviews of airlines servicing Dallas

Read reviews from past customers who have flown with Finnair, Virgin Atlantic, andIberia from London Heathrow Airport to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,321 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Virgin Atlantic

7.4

Good

661 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Iberia

7.0

Good

2,909 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Lufthansa

6.8

Okay

7,385 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,344 reviews

Finnair

7.6

Good

1,321 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Related info for your journey

How long is the flight from London Heathrow Airport to Dallas?
Departing from London Heathrow Airport to Dallas will take you 31h 37m. The distance between London Heathrow Airport and Dallas is about 4732 mi.
What are the cheapest airlines flying from London Heathrow Airport to Dallas round-trip?
According to our current data, Lufthansa (£428), Icelandair (£441), and JetBlue (£452) offers the cheapest pricing from London Heathrow Airport to Dallas. You may be able to fly from London Heathrow Airport to Dallas for 42% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from London Heathrow Airport to Dallas one-way?
£438 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on WestJet and Air France, with prices starting from £453 and £460, respectively.
What are the most reliable airlines from London Heathrow Airport to Dallas?
The top 3 most reliable airlines when flying from London Heathrow Airport to Dallas are Malaysia Airlines (89%), American Airlines (68%) and Iberia (68%).
What are the cheapest flights from London Heathrow Airport to Dallas?
While on average a flight from London Heathrow Airport to Dallas is generally £1,733, our data shows the cheapest flight currently is £523. When looking at the most popular route, (London Heathrow - Dallas/Fort Worth), you can expect to pay £385 for that flight.
Can I find deals for flights from Heathrow to Dallas that include hotel bookings?
Yes. In addition to deals on Heathrow to Dallas flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Dallas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Dallas.
Can I find deals for business class flights from Heathrow to Dallas?
Yes. Cheapflights offers flight deals from Heathrow to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Dallas?
Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Dallas (average of £737). Flying from London Heathrow Airport to Dallas in July is currently the most expensive (average of £1,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Heathrow to Dallas

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest£428	Average£564	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Icelandair	Cheapest£441	Average£616	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
JetBlue	Cheapest£452	Average£590	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Virgin Atlantic	Cheapest£458	Average£789	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£469	Average£712	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Finnair	Cheapest£478	Average£609	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Scandinavian Airlines	Cheapest£494	Average£729	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Iberia	Cheapest£541	Average£823	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Air France	Cheapest£550	Average£871	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Canada	Cheapest£564	Average£678	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Dallas?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Dallas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Dallas?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Dallas for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Dallas with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Dallas, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Dallas become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Dallas flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Heathrow Airport to Dallas from £272

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Dallas are usually found in January or February, booked 45 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Heathrow to Dallas

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Find flight deals from Heathrow to Dallas

Cheapest flights from Heathrow to DallasExplore the most affordable flight options available from Heathrow to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Explore the most affordable flight options available from Heathrow to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Dallas that are best for you.

Best time to book a flight from Heathrow to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Dallas

How far ahead should I book a flight from London Heathrow Airport to Dallas?

Use this chart to determine the optimal time to book a return flight from Heathrow to Dallas. Price data was last updated on 29 August 2025.

What is the cheapest month to book a flight from London Heathrow Airport to Dallas?

What is the cheapest time of day to fly from LHR to DFW?

Find hourly flight availability from Heathrow to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2025.

What is the cheapest day to fly from London Heathrow Airport to Dallas?

Use this chart to determine the cheapest time to fly return from Heathrow to Dallas. Price data was last updated on 16 December 2024.

Weekly flight availability from London Heathrow Airport to Dallas

Explore weekly flight availability from Heathrow to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 September 2025.

How much does it cost for a return flight from London Heathrow Airport to Dallas?

Reviews of airlines servicing Dallas

Read reviews from past customers who have flown with Finnair, Virgin Atlantic, andIberia from London Heathrow Airport to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Heathrow Airport to Dallas?

What are the cheapest airlines flying from London Heathrow Airport to Dallas round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Dallas one-way?

What are the most reliable airlines from London Heathrow Airport to Dallas?

What are the cheapest flights from London Heathrow Airport to Dallas?

Can I find deals for flights from Heathrow to Dallas that include hotel bookings?

How can I find direct flights from Heathrow to Dallas?

Can I find deals for business class flights from Heathrow to Dallas?

What is the cheapest month to book a flight from London Heathrow Airport to Dallas?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Dallas

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to Dallas

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How does Cheapflights help users find flights from Heathrow to Dallas?

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Can Cheapflights find flights from Heathrow to Dallas with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Dallas become cheaper?

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Cheapest flights from Heathrow to Dallas
Explore the most affordable flight options available from Heathrow to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.