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$224+ Cheap flights from Raleigh (RDU) to Heathrow (LHR)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — LHR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 Tuesday or Wednesday and return on a Wednesday

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 September 11, 2025.

Round-trip from

$501
(FlightHub)

One-way from

$224
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$817

Good round-trip deal

$677 or less

Good one-way deal

$509 or less
From Raleigh-Durham to London Heathrow
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One-way flight from Raleigh-Durham to London Heathrow
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Highest demand for flights based on searches. 18% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Raleigh-Durham to London Heathrow.
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Price to beat on a one-way flight from Raleigh-Durham to London Heathrow.
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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 September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:30 pmRDU - LHR
1 stop10h 25mIcelandair
Thu 10/308:35 pmLHR - RDU
1 stop27h 00mIcelandair
Deal found 9/11$501
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:30 pmRDU - LHR
1 stop10h 25mIcelandair
Wed 10/151:05 pmLHR - RDU
1 stop11h 25mIcelandair
Deal found 9/11$503
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 amRDU - LHR
1 stop19h 35mUnited Airlines
Tue 10/72:05 pmLHR - RDU
2 stops28h 56mUnited Airlines
Deal found 9/10$504
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:00 amRDU - LHR
1 stop19h 35mMultiple Airlines
Tue 10/218:45 amLHR - RDU
2 stops17h 58mMultiple Airlines
Deal found 9/11$505
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:30 pmRDU - LHR
1 stop10h 25mIcelandair
Mon 10/69:25 pmLHR - RDU
1 stop27h 05mIcelandair
Deal found 9/11$506
This Gotogate deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:00 amRDU - LHR
1 stop16h 30mMultiple Airlines
Fri 10/311:00 pmLHR - RDU
1 stop12h 23mMultiple Airlines
Deal found 9/10$507
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amRDU - LHR
2 stops20h 10mAir Canada
Wed 12/101:25 pmLHR - RDU
2 stops29h 42mAir Canada
Deal found 9/10$509
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:25 pmRDU - LHR
Nonstop7h 30mIberia
Tue 10/2110:05 amLHR - RDU
Nonstop8h 45mIberia
Deal found 9/11$512
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:10 amRDU - LHR
1 stop18h 15mDelta
Thu 10/96:15 amLHR - RDU
1 stop14h 55mDelta
Deal found 9/10$514
This lol.travel deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/223:42 pmRDU - LHR
1 stop11h 03mFinnair
Wed 10/110:05 amLHR - RDU
Nonstop8h 45mFinnair
Deal found 9/10$515
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 amRDU - LHR
1 stop16h 30mUnited Airlines
Wed 10/86:50 amLHR - RDU
2 stops16h 53mUnited Airlines
Deal found 9/9$516

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 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 12/9

1:45 pm-7:10 am

1 stop12h 25m

London Heathrow

Wed 12/24

1:25 pm-2:10 pm

2 stops29h 45m

$504

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Tue 12/2

4:00 pm-7:50 am

1 stop10h 50m

London Heathrow

Tue 12/16

9:00 am-4:45 pm

1 stop12h 45m

$514

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Tue 12/9

6:00 am-10:50 am

1 stop23h 50m

London Heathrow

Wed 12/24

6:00 pm-9:23 pm

1 stop32h 23m

$516

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Wed 10/29

2:46 pm-8:45 am

2 stops13h 59m

London Heathrow

Wed 11/19

9:00 am-4:45 pm

1 stop12h 45m

$519

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Tue 12/2

9:55 am-6:50 am

1 stop15h 55m

London Heathrow

Tue 12/16

11:45 am-11:16 pm

2 stops16h 31m

$526

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Tue 12/9

1:45 pm-7:10 am

1 stop12h 25m

London Heathrow

Thu 12/18

12:05 pm-11:44 pm

1 stop16h 39m

$527

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Wed 10/1

2:25 pm-6:25 am

1 stop11h 00m

London Heathrow

Fri 10/10

12:45 pm-10:10 pm

1 stop14h 25m

$532

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Wed 10/8

9:00 am-6:30 am

1 stop16h 30m

London Heathrow

Mon 10/13

11:30 am-1:45 pm

1 stop31h 15m

$544

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Fri 10/3

2:25 pm-9:15 am

1 stop13h 50m

London Heathrow

Tue 10/7

9:00 am-4:10 pm

1 stop12h 10m

$564

RaleighLondon

RDU - LHR

RDULHR

Raleigh-Durham

Thu 10/2

6:00 am-10:40 am

1 stop23h 40m

London Heathrow

Fri 10/10

4:00 pm-3:56 pm

1 stop28h 56m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 23 results
1
2
3

The best insider tips for Raleigh to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to London Heathrow Airport trip
Airports
RDU

RDU's Terminal 2 handles all international flights. Check-in, security, and departures are upstairs, making navigation straightforward.

Read more about RDUby John Walton
LHR

For quick access to central London, take the Heathrow Express to Paddington Station. It's the fastest option from LHR.

Read more about LHRby Ramsey Qubein
Our travel experts
John Walton

John Walton

Expert on RDU

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 round-trip 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 round-trip flight from Raleigh to Heathrow. Price data was last updated on August 29, 2025.

The best time to book flights from Raleigh to London Heathrow Airport is 85 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 Raleigh to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Raleigh to London Heathrow Airport (average of $661). Flying from Raleigh to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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 September 11, 2025.

When flying from Raleigh to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 20% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Raleigh to London Heathrow Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip 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 September 11, 2025.
Read reviews from past customers who have flown American Airlines, JetBlue, and Icelandair from Raleigh to London Heathrow Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
JetBlue
7.2
Good
2,913 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
Icelandair
7.0
Good
546 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
Iberia
7.0
Good
2,929 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.
British Airways
6.7
Okay
7,361 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Overall

7.2

Food

6.4

Comfort

7.2

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

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 9 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?

    For as low as $504, United Airlines can have you in London Heathrow Airport from Raleigh in 12h 25m. Airlines will cover a distance of 3860 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Delta, at $362, was found to be the cheapest airline from Raleigh to London Heathrow Airport.Alternate airlines to your destination round-trip include JetBlue and Icelandair. These flights start at 59% lower than the current average price 3 months from now.

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

    Before booking your flight to London Heathrow Airport from Raleigh, check out the most reliable airlines to get you to your destination on time: American Airlines (92%), Finnair (92%), Iberia( 92%).

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

    The cheapest flight price from Raleigh to London Heathrow Airport is $414. On average you can expect to pay $1,295. The most popular route, (Raleigh-Durham - London Heathrow), can usually be booked for $487.

  • Where are the most common layover locations when flying from Raleigh to London Heathrow Airport?

    Raleigh to London Heathrow Airport flights have a layover in New York most often.

  • What are some popular things to do or see while on a layover in New York?

    Most New York visitors opt to spend their time experiencing Times Square, New York City Center, and Madison Square Garden. Those on a layover in New York interested in visiting Times Square, New York City Center, or Madison Square Garden can do so by traveling 13.6 mi, 13.6 mi, and 13.6 mi, respectively from New York John F Kennedy Intl. Those looking to explore during their layover in New York can rent a car from New York John F Kennedy Intl for about $76 per day.

  • Where are the least popular layover locations for Raleigh to London Heathrow Airport flights?

    Flights departing from Raleigh and landing in London Heathrow Airport layover in Reykjavik least frequently.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Raleigh to London Heathrow Airport (average of $661). Flying from Raleigh to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone

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Alternative routes for Raleigh to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Raleigh to Heathrow

Discover the top 9 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$362Average$826FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$502Average$765FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$529Average$703FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$548Average$747FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$628Average$873FlexibilityNo cancel feeOn-time70%
IberiaCheapest$644Average$878FlexibilityNo cancel feeOn-time77%
FinnairCheapest$649Average$863FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$680Average$975FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$699Average$922FlexibilityNo cancel feeOn-time69%

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