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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LHR
23 Aug — 30 Aug1
1 adult

Cheapflights Tip: The best prices from Raleigh-Durham to London Heathrow are usually found in October or January, booked 85 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap 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 18 August 2025.

Round-trip from

£445

One-way from

£166

Popular in

June

Cheapest in

October

Average price

£627

Good round-trip deal

£503 or less

Good one-way deal

£311 or less
Icelandair
  • Icelandair
  • 20/9-30/9
  • 2 total stops
  • 37h 30m total
  • Raleigh to London
22/9
  • 22/9
  • 2 total stops
  • 21h 05m total
  • Raleigh to London
Highest demand for flights based on searches. 17% potential increase in price (£106 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Raleigh-Durham to London Heathrow.
Price to beat on a one-way flight from Raleigh-Durham to London Heathrow.

Find flight deals from Raleigh to Heathrow

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 18 August 2025.

Sat 20/920:30RDU - LHR
1 stop10h 25mIcelandair
Tue 30/921:25LHR - RDU
1 stop27h 05mIcelandair
Deal found 17/8£445
Sat 20/920:30RDU - LHR
1 stop10h 25mIcelandair
Sun 28/921:25LHR - RDU
1 stop27h 05mIcelandair
Deal found 17/8£451
Fri 26/915:40RDU - LHR
2 stops19h 45mMultiple Airlines
Sun 5/1006:00LHR - RDU
2 stops31h 14mMultiple Airlines
Deal found 16/8£452
Mon 10/1114:14RDU - LHR
1 stop11h 11mMultiple Airlines
Tue 18/1115:15LHR - RDU
2 stops56h 33mMultiple Airlines
Deal found 15/8£465
Sun 7/916:40RDU - LHR
1 stop14h 10mMultiple Airlines
Tue 16/917:40LHR - RDU
1 stop27h 13mMultiple Airlines
Deal found 16/8£474
Wed 1/1009:00RDU - LHR
2 stops16h 35mAir Canada
Wed 8/1006:50LHR - RDU
2 stops19h 55mAir Canada
Deal found 16/8£475
Wed 10/920:30RDU - LHR
1 stop10h 25mIcelandair
Tue 23/921:25LHR - RDU
1 stop27h 05mIcelandair
Deal found 16/8£477
Wed 1/1010:36RDU - LHR
2 stops14h 59mMultiple Airlines
Wed 8/1014:05LHR - RDU
1 stop12h 40mMultiple Airlines
Deal found 16/8£485
Wed 24/916:00RDU - LHR
1 stop12h 35mMultiple Airlines
Tue 7/1006:30LHR - RDU
1 stop12h 15mMultiple Airlines
Deal found 16/8£489
Mon 22/916:40RDU - LHR
1 stop10h 55mLufthansa
Tue 30/906:30LHR - RDU
1 stop12h 15mLufthansa
Deal found 16/8£490

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 18 August 2025.
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

Tue 23/9

20:30-11:55

1 stop10h 25m

London Heathrow

Tue 30/9

21:25-19:30

1 stop27h 05m

£445

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Mon 29/9

20:30-20:20

1 stop18h 50m

London Heathrow

Sun 5/10

21:25-19:30

1 stop27h 05m

£445

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Wed 24/9

20:30-11:55

1 stop10h 25m

London Heathrow

Tue 30/9

21:25-19:30

1 stop27h 05m

£445

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Sat 20/9

20:30-11:55

1 stop10h 25m

London Heathrow

Tue 30/9

21:25-19:30

1 stop27h 05m

£445

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Sun 28/9

20:30-20:20

1 stop18h 50m

London Heathrow

Sun 5/10

21:25-19:30

1 stop27h 05m

£445

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Mon 22/9

20:30-11:55

1 stop10h 25m

London Heathrow

Tue 30/9

21:25-19:30

1 stop27h 05m

£445

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Sun 21/9

20:30-11:55

1 stop10h 25m

London Heathrow

Tue 30/9

21:25-19:30

1 stop27h 05m

£445

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Wed 24/9

20:30-11:55

1 stop10h 25m

London Heathrow

Mon 29/9

21:25-19:30

1 stop27h 05m

£451

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Wed 24/9

20:30-11:55

1 stop10h 25m

London Heathrow

Sun 28/9

21:25-19:30

1 stop27h 05m

£451

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Sat 20/9

20:30-11:55

1 stop10h 25m

London Heathrow

Sun 28/9

21:25-19:30

1 stop27h 05m

£451

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 21 results
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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 8 August 2025.

Booking 85 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, January is the cheapest month in which you can book a flight from Raleigh to London Heathrow Airport (average of £112). Flying from Raleigh to London Heathrow Airport in August is currently the most expensive (average of £164). 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 18 August 2025.

It’s optimal to fly from Raleigh to London Heathrow Airport in the morning. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Raleigh to London Heathrow Airport

Explore weekly flight availability from Raleigh to Heathrow. 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 18 August 2025.

The most flights from RDU to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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

What’s the top stopover airport for flights from Raleigh to London Heathrow Airport?

Share of one-stop return flights from Raleigh to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

New York (JFK) – chosen by Cheapflights users on 50% of one-stop itineraries from Raleigh to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Raleigh to London Heathrow Airport?

Average return fare for one-stop flights from Raleigh to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £546.

What’s the fastest stopover option from Raleigh to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from Raleigh to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 24m.

Which airport typically offers the quickest stopover for flights from Raleigh to London Heathrow Airport?

Average stopover duration for one-stop one-way flights from Raleigh to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via New York (JFK) offer the fastest connection on this route, with an average stopover time of 3h 11m.

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 18 August 2025.
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.

Entertainment

6.9

Overall

7.6

Boarding

7.6

Crew

8.1

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.

Entertainment

6.9

Overall

7.6

Boarding

7.6

Crew

8.1

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.

Entertainment

6.9

Overall

7.6

Boarding

7.6

Crew

8.1

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.

Entertainment

6.9

Overall

7.6

Boarding

7.6

Crew

8.1

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.

Entertainment

6.9

Overall

7.6

Boarding

7.6

Crew

8.1

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.

Entertainment

6.9

Overall

7.6

Boarding

7.6

Crew

8.1

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 6 outbound flights to London Heathrow per day from 5 airlines. Raleigh-Durham is conveniently located just 11.1 mi from Raleigh’s city center.

  • 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 £208. Additional return tickets that might be worth considering are offered by Icelandair and Iberia, with the lowest prices starting at £448 and £469, respectively. These flights start at 68% lower than the current average price 3 months from now.

  • 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 (86%), Finnair (86%) or Iberia (86%) 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 £488, our data indicates the cheapest price to be £302. The most popular route (Raleigh-Durham - London Heathrow), is priced around £411.

  • 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, January is the cheapest month in which you can book a flight from Raleigh to London Heathrow Airport (average of £112). Flying from Raleigh to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Deal
Luton
Wembley
Crawley
Ilford
Hayes
Ipswich
Southend-on-Sea
Winchester
Folkestone
Eastbourne
Maidstone
Watford
Chichester

Browse thousands of different options on Cheapflights for your next trip

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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 18 August 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£208Average£614FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£448Average£614FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£494Average£695FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£505Average£661FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£526Average£689FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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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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