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Cheap flights from Raleigh to London Heathrow Airport from £166

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 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LHR
8 Mar — 15 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Raleigh-Durham to London Heathrow are usually found in October or April, booked 68 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Raleigh to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Raleigh to Heathrow
Explore the most affordable flight options available from Raleigh to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 February 2026.

Mon 17/814:00
RDU
-
LHR
2 stops38h 20m
Scandinavian Airlines
Thu 20/806:40
LHR
-
RDU
2 stops20h 15m
Scandinavian Airlines
Deal found 4/2£499
Mon 16/320:35
RDU
-
LHR
1 stop10h 15m
Icelandair
Tue 24/320:35
LHR
-
RDU
1 stop27h 00m
Icelandair
Deal found 6/2£501
Fri 6/306:00
RDU
-
LHR
1 stop19h 55m
JetBlue
Wed 18/307:25
LHR
-
RDU
1 stop11h 54m
JetBlue
Deal found 5/2£501
Fri 6/306:00
RDU
-
LHR
1 stop19h 55m
JetBlue
Tue 17/307:25
LHR
-
RDU
1 stop12h 11m
JetBlue
Deal found 5/2£503
Sat 7/309:49
RDU
-
LHR
1 stop16h 06m
JetBlue
Thu 19/307:25
LHR
-
RDU
1 stop11h 54m
JetBlue
Deal found 5/2£504
Tue 17/309:05
RDU
-
LHR
1 stop17h 50m
JetBlue
Thu 26/307:25
LHR
-
RDU
1 stop12h 11m
JetBlue
Deal found 4/2£505
Wed 18/306:15
RDU
-
LHR
1 stop11h 25m
JetBlue
Thu 26/307:25
LHR
-
RDU
1 stop12h 11m
JetBlue
Deal found 5/2£506
Wed 25/212:25
RDU
-
LHR
2 stops23h 35m
Scandinavian Airlines
Tue 3/319:50
LHR
-
RDU
2 stops26h 22m
Scandinavian Airlines
Deal found 5/2£509
Mon 20/420:30
RDU
-
LHR
1 stop18h 50m
Icelandair
Wed 29/413:05
LHR
-
RDU
1 stop11h 25m
Icelandair
Deal found 6/2£510
Wed 4/312:25
RDU
-
LHR
2 stops23h 35m
Scandinavian Airlines
Mon 9/321:05
LHR
-
RDU
2 stops29h 26m
Scandinavian Airlines
Deal found 4/2£512
Wed 14/1020:30
RDU
-
LHR
1 stop18h 50m
Icelandair
Tue 20/1013:05
LHR
-
RDU
1 stop11h 25m
Icelandair
Deal found 4/2£512

Find flight deals from Raleigh to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 February 2026.

Round-trip from

£501

One-way from

£166

Popular in

June

Cheapest in

October

Average price

£592

Good round-trip deal

£544 or less

Good one-way deal

£373 or less
Icelandair
  • Icelandair
  • 18/3-24/3
  • 2 total stops
  • 45h 55m total
  • Raleigh to London
Search Deals
21/3
  • 21/3
  • 2 total stops
  • 19h 05m total
  • Raleigh to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Raleigh-Durham to London Heathrow.
Search Deals
Price to beat on a one-way flight from Raleigh-Durham to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Raleigh to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 February 2026.
Use the filters below to find and compare flights from Raleigh to London Heathrow Airport that are best for you.

Fly from

Raleigh

Fly to

Heathrow

Route

Depart

Return

Price

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Wed 18/3

06:15-21:40

1 stop11h 25m

London Heathrow

Thu 26/3

07:25-15:36

1 stop12h 11m

£506

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Mon 23/3

16:25-09:30

1 stop13h 05m

London Heathrow

Mon 30/3

08:15-15:36

1 stop12h 21m

£524

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Tue 24/3

06:15-21:40

1 stop11h 25m

London Heathrow

Mon 30/3

08:15-15:36

1 stop12h 21m

£524

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Sun 8/3

20:35-10:50

1 stop10h 15m

London Heathrow

Tue 17/3

20:35-19:35

1 stop27h 00m

£544

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Tue 7/4

14:00-20:45

1 stop25h 45m

London Heathrow

Thu 16/4

11:55-22:00

1 stop15h 05m

£551

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Tue 10/3

13:10-16:00

2 stops22h 50m

London Heathrow

Tue 17/3

06:40-22:31

3 stops19h 51m

£551

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Fri 8/5

19:23-06:30

1 stop30h 07m

London Heathrow

Mon 18/5

11:55-13:14

1 stop30h 19m

£555

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Thu 26/2

06:59-09:20

2 stops21h 21m

London Heathrow

Mon 2/3

17:00-17:12

3 stops29h 12m

£573

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Sat 28/2

06:59-16:25

2 stops28h 26m

London Heathrow

Wed 4/3

06:40-17:12

2 stops15h 32m

£600

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Sun 8/3

09:30-06:30

1 stop17h 00m

London Heathrow

Tue 17/3

06:50-21:20

2 stops18h 30m

£610

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Raleigh to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Raleigh 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 Raleigh to London Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Raleigh to Heathrow. Price data was last updated on 30 January 2026.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Raleigh to London Heathrow Airport (average of £369). Flying from Raleigh to London Heathrow Airport in June is currently the most expensive (average of £565). 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 RDU to LHR?

Find hourly flight availability from Raleigh to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 February 2026.

When flying from Raleigh to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 6 February 2026.
Read through reviews of airlines operating flights from Raleigh to London Heathrow Airport, such as Finnair, JetBlue, andIcelandair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

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
1,357 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

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.
JetBlue
7.2
Good
2,898 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

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.
Icelandair
7.1
Good
606 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

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.
Iberia
7.0
Good
3,106 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

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.
British Airways
6.7
Okay
7,719 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Boarding

7.7

Crew

8.2

Entertainment

6.9

Overall

7.6

Comfort

7.5

Food

6.7

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.

Related info for your journey

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

  • What airport do you fly from for flights from Raleigh to London Heathrow?

    Most people fly from Raleigh-Durham (RDU) if they book a flight from Raleigh to London Heathrow. On average, Raleigh-Durham has 5 outbound flights to London Heathrow per day from 5 airlines. Raleigh-Durham is conveniently located just 11.1 mi from Raleigh’s city center.

  • How long is the flight from Raleigh to London Heathrow Airport?

    A quick flight from Raleigh to London Heathrow Airport can take about 13h 05m. JetBlue provides one of the quickest options available for as low as £524. There are 3860 mi between Raleigh and London Heathrow Airport. This flight may include one or multiple stops.

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

    Flying on JetBlue is currently your cheapest option to London Heathrow Airport, with prices starting at £87. Additional return tickets that might be worth considering are offered by Icelandair and British Airways, with the lowest prices starting at £373 and £455, respectively. These flights start at 86% lower than the current average price 3 months from now.

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

    £230 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on JetBlue and Iberia, with prices starting from £251 and £302, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Raleigh to London Heathrow Airport consider choosing American Airlines (78%), Finnair (78%) or Iberia (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Raleigh to London Heathrow Airport?

    Looking for the cheapest flight from Raleigh to London Heathrow Airport? While on average our users pay £505, our data indicates the cheapest price to be £317. The most popular route (Raleigh-Durham - London Heathrow), is priced around £419.

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

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

  • How can I find direct flights from Raleigh to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Raleigh to Heathrow 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 Raleigh to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Raleigh to London Heathrow Airport (average of £369). Flying from Raleigh to London Heathrow Airport in June is currently the most expensive (average of £565). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Northampton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Swindon
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Raleigh to Heathrow

Discover the top 5 airlines that operate flights from Raleigh to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 February 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£87Average£510FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£373Average£660FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£455Average£716FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£468Average£632FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£580Average£927FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Raleigh today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Raleigh to Heathrow.

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

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

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

Yes, Cheapflights offers price alerts on Raleigh to Heathrow 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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