$284 Cheap Flights from Raleigh (RDU) to London (LHR)

View $284 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Heathrow Airport (LHR)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Raleigh to London (RDU-LHR)

Prices were available within the past 7 days and start at $284 for one-way flights and $461 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Jan 24 - Mon, Jan 26
RDU
Raleigh
LHR
London
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Jan 24 from Raleigh to London, returning Mon, Jan 26, priced at $461 found 2 days ago
Icelandair
Wed, Jan 7 - Thu, Jan 22
RDU
Raleigh
LHR
London
$518 Roundtrip, found 4 days ago
$518
Roundtrip
found 4 days ago
Select Icelandair flight, departing Wed, Jan 7 from Raleigh to London, returning Thu, Jan 22, priced at $518 found 4 days ago
JetBlue Airways
Sat, Jan 10 - Mon, Jan 19
RDU
Raleigh
LHR
London
$574 Roundtrip, found 9 hours ago
$574
Roundtrip
found 9 hours ago
Select JetBlue Airways flight, departing Sat, Jan 10 from Raleigh to London, returning Mon, Jan 19, priced at $574 found 9 hours ago
American Airlines
Tue, Nov 25 - Wed, Dec 3
RDU
Raleigh
LHR
London
$706 Roundtrip, found 1 day ago
$706
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 25 from Raleigh to London, returning Wed, Dec 3, priced at $706 found 1 day ago
United
Tue, Sep 22 - Thu, Oct 1
RDU
Raleigh
LHR
London
$708 Roundtrip, found 20 hours ago
$708
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Sep 22 from Raleigh to London, returning Thu, Oct 1, priced at $708 found 20 hours ago
Delta
Tue, Jan 13 - Thu, Jan 22
RDU
Raleigh
LHR
London
$713 Roundtrip, found 9 hours ago
$713
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jan 13 from Raleigh to London, returning Thu, Jan 22, priced at $713 found 9 hours ago
Air Canada
Tue, Jan 27 - Tue, Feb 3
RDU
Raleigh
LHR
London
$720 Roundtrip, found 3 days ago
$720
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Jan 27 from Raleigh to London, returning Tue, Feb 3, priced at $720 found 3 days ago
Iberia
Tue, Jan 13 - Thu, Jan 22
RDU
Raleigh
LHR
London
$721 Roundtrip, found 9 hours ago
$721
Roundtrip
found 9 hours ago
Select Iberia flight, departing Tue, Jan 13 from Raleigh to London, returning Thu, Jan 22, priced at $721 found 9 hours ago
American Airlines
Tue, Jan 13 - Thu, Jan 22
RDU
Raleigh
LHR
London
$721 Roundtrip, found 9 hours ago
$721
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Jan 13 from Raleigh to London, returning Thu, Jan 22, priced at $721 found 9 hours ago
Lufthansa
Tue, Sep 22 - Thu, Oct 1
RDU
Raleigh
LHR
London
$723 Roundtrip, found 20 hours ago
$723
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Tue, Sep 22 from Raleigh to London, returning Thu, Oct 1, priced at $723 found 20 hours ago

Find the cheapest month to fly from Raleigh (RDU) to London (LHR)

April is typically the cheapest month to fly

From $498 - $923 per traveler.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $1,398
LGW
Gatwick
Average driving time to city center52 min
Flights from $1,398
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $1,528
LCY
London City
Closest
Average driving time to city center21 min
Flights from $1,528

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR) cost?
Snag a cheap one-way flight from $284 or cheap return flight from $461 from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
The cheapest month to fly from RDU to LHR is January, when there's less demand. Off-peak season is generally when you'll find lower airfares between these airports.
Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
When setting off from Raleigh - Durham Intl. Airport (RDU), you can take a nonstop flight to Heathrow Airport (LHR) with American Airlines.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
To find the cheapest airline flying from RDU to LHR, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
On average, only 1 direct flight departs each day from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR). Need other options? Use our filter tool to discover flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
More people fly between RDU and LHR at 9 PM than at any other time. Prefer a quieter experience? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from RDU to LHR?
Wednesday offers the most flights from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your itinerary.
What is the earliest flight from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
The first flight of the day departing from Raleigh - Durham Intl. Airport (RDU) is at around 9:35PM UTC-5. Board this flight and you'll reach Heathrow Airport (LHR) at approximately 10:00AM UTC+0. The total travel time is 7h 25m.
How long does it take to fly from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
It takes about 7 hours and 25 minutes to travel the 3,900 mi from RDU to LHR.
What airline has the least delays from RDU to LHR?
With 86% of flights generally arriving on schedule, British Airways has the best on-time performance for direct flights from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR). To keep track of your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
To reach Heathrow Airport (LHR) without delays, pick a flight that leaves Raleigh - Durham Intl. Airport (RDU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Raleigh - Durham Intl. Airport (RDU)?
Compare your flight options from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR). This is the only airport in London you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR) last-minute?
Booking your flight from RDU to LHR shortly before your journey is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a RDU to LHR flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDU to LHR flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Heathrow Airport (LHR)?
If you reserved your RDU to LHR flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$461
Distance
3862 mi
Average flight time
7 hours 40 mins

Book with confidence

Raleigh to London Flights

The cheapest times to fly from Raleigh to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to London are during the month of January. You can find some of the cheapest flights from Raleigh to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to London

Sunday is one of the best days to book for cheap flights from Raleigh to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $284 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Raleigh to London Flights

Explore a world of travel with Expedia

*Available to One Key members.