Find flights
Deals
Insights
When to book
FAQs & Tips
Airlines

DCA - LON

$372 Find cheap flights from Reagan Washington National Airport to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to London departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/8
Sat 6/15

Search hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to London.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to London.
In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Reagan-National to London (DCA-LON)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
11:30 am - 6:20 amDCA-LHR
13h 50m1 stop
11:30 am - 11:19 pmLHR-DCA
16h 49m2 stops
$583Iberia
Find Deal
Tue, Oct 8 - Tue, Oct 22
6:00 pm - 8:05 amDCA-LHR
9h 05m1 stop
11:25 am - 7:15 pmLHR-DCA
11h 50m1 stop
$591American Airlines
Find Deal
Wed, Sep 25 - Wed, Oct 30
10:00 pm - 6:40 amDCA-LHR
27h 40m1 stop
4:20 pm - 11:32 pmLHR-DCA
11h 12m1 stop
$605British Airways
Find Deal
Sat, Oct 19 - Tue, Oct 29
6:10 pm - 9:05 amDCA-LHR
9h 55m1 stop
8:10 pm - 5:06 pmLHR-DCA
25h 56m2 stops
$609British Airways
Find Deal
Mon, Oct 14 - Mon, Oct 21
7:00 am - 8:35 pmDCA-LHR
9h 35m1 stop
1:25 pm - 9:45 pmLHR-DCA
13h 20m1 stop
$630United Airlines
Find Deal
Tue, Oct 29 - Fri, Nov 8
4:55 pm - 10:00 amDCA-LHR
12h 05m1 stop
8:00 am - 2:19 pmLHR-DCA
11h 19m1 stop
$636United Airlines
Find Deal
Tue, Oct 8 - Tue, Oct 15
5:08 pm - 9:25 amDCA-LHR
11h 17m1 stop
1:00 pm - 11:00 pmLHR-DCA
15h 00m1 stop
$644Virgin Atlantic
Find Deal
Sun, May 19 - Tue, May 28
6:05 am - 8:10 pmDCA-LHR
9h 05m1 stop
9:40 am - 4:12 pmLHR-DCA
11h 32m1 stop
$663Virgin Atlantic
Find Deal
Wed, Aug 21 - Tue, Aug 27
11:30 am - 6:35 amDCA-LGW
14h 05m1 stop
12:10 pm - 6:45 pmLGW-DCA
11h 35m1 stop
$679JetBlue
Find Deal
Wed, May 15 - Wed, May 22
12:30 pm - 6:50 amDCA-LGW
13h 20m1 stop
12:10 pm - 6:45 pmLGW-DCA
11h 35m1 stop
$721JetBlue
Find Deal
Tue, May 21 - Thu, May 30

Flights from Reagan-National to London - Travel Insights & Trends

Get data-powered insights and trends into flights from Reagan-National to London to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Reagan Washington National Airport to London?

The average price of all flights from Washington, D.C. Reagan-National Airport to London clicked on KAYAK for each day over the last 12 months.
When flying from Reagan Washington National Airport to London, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Reagan Washington National Airport, you’ll find the best rates on Saturdays and the most expensive ones on Mondays.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Reagan-National Airport to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Reagan-National Airport to London is October, where tickets cost $625 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,018 and $864 respectively.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to London?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Reagan-National Airport to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Reagan-National Airport to London, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 23 days before departure.

Which airlines provide the cheapest flights from Reagan Washington National Airport to London?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, JetBlue offered the best one-way deal for that route, at $372. KAYAK users also found Reagan Washington National Airport to London round-trip flights on Iberia from $583 and on American Airlines from $591.

Good to know

Low season

January

High season

December

Cheapest flight

$372
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Reagan Washington National Airport to London Heathrow Airport

When to book flights from Reagan-National to London

Are your dates flexible? Find out the best times to travel from Reagan-National to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Reagan Washington National Airport to London flights

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to London?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to London was $372 for a one-way ticket and $583 for a round-trip.

  • Do I need a passport to fly between Reagan Washington National Airport and London?

    A passport is required to fly from Reagan Washington National Airport to London.

  • Which airports will I be using when flying from Reagan Washington National Airport to London?

    On your way to London, you’ll fly out from Washington, D.C. Reagan-National. You’ll be landing in one of London’s 5 airports: London City, London Gatwick, London Heathrow, London Luton, or London Stansted.

  • Which aircraft models fly most regularly from Reagan Washington National Airport to London?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Reagan Washington National Airport to London?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Reagan Washington National Airport and London, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Washington, D.C. to London, Delta or Finnair?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to London are Delta and Finnair. With an average price for the route of $708 and an overall rating of 8.0, Delta is the most popular choice. Finnair is also a great choice for the route, with an average price of $740 and an overall rating of 7.7.

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Reagan Washington National Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Reagan Washington National Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Reagan-National to London

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Reagan-National to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
Virgin AtlanticOverall score based on 738 reviews
7.4Comfort
7.7Entertainment
7.1Food
7.8Boarding
8.3Crew
Airline reviews

Cabin crew on our flight showed lack of any customer service gruff and acting annoyed if you asked anything and I mean anything Example a man on the seat over dropped his beer on my husbands blanket We asked if we could switch out blankets cabin crew Said. No we don’t have any extras OK well can you take the wet one Cabin crew looked disgusted and annoyed Took it no OK or yes just a growl

6.0 GoodSonia, Apr 2024LAX - LHR
Read more about Virgin Atlantic reviews

Cabin crew on our flight showed lack of any customer service gruff and acting annoyed if you asked anything and I mean anything Example a man on the seat over dropped his beer on my husbands blanket We asked if we could switch out blankets cabin crew Said. No we don’t have any extras OK well can you take the wet one Cabin crew looked disgusted and annoyed Took it no OK or yes just a growl

Quick flight. But cabin crew were very noisy and talking too much, especially when we were seated at the back of the plane trying to sleep through the night .

My ticket was for Premium Economy and all the seats were taken, I was placed in Economy class and I’m looking for a refund.

Unfortunately delayed 2 hrs due to faulty tyre.. which had to be changed, but better safe than sorry.

The delay was an issue. Other than that. Every thing good

Hi vergin Atlantic service was good but the flight ticket agent travel up charge me extra 57 pounds as a airport charges, actually I refuse to pay but they say if I not pay £57 then they say you will not be able to travel from Heathrow to goa ,so for me there was no option and it was just 3 day before my departure so i paid, so please look in to the matter. And I have a receipt of £ 57 as well .thanks

Staff didn’t check cabin well for landing seemed more interested in chatting to each other. Food was poor and differed from pre order.

We were in the last group to be called to the flight - which was 30 minutes late taking off. While we were lucky enough to have been given bulkhead seats (due to a medical condition I’d told them about beforehand) the seats weren’t particularly comfortable. A crying baby for the whole trip made things worse, so the crew managed very well with coping. The final thing I’d say was that there wasn’t enough food served during the flight.

Very good. Glad we had Premium for the flight out.

We flew Upper Class from London to The Turks and Caicos. Check in was amazing. Our ldriver too us directly to a special entrance to terminal 3. It took 10 minutes to check in and clear customs. Amazing! The VA lounge is large and comfortable. Boarding the flight was easy and without a wait. The crew was excellent. But the seats were awful, strange and uncomfortable. Having a comfortable flat bed seat is the reason we pays 1000s extra. The VA 787 uses a reverse herringbone configuration. Look it up. You have your back to the window and are facing the aisle with no privacy. Turning the seat into a bed requires assistance from the crew so not very spontaneous. . The food was ok. A bit tasteless and meager portions. Had to pay for WiFi. I believe VA has other configuration on their dream airbus flights. Lots of stuff about all this on YouTube where you can see what I have been describing. I can not recommend taking VA on a long flight with these seats.

Delayed departure. Delayed after landing pulling into gate. Delay due to sky bridge malfunction

Great. Loved that there was WiFi on flight to keep in touch and excellent service of beverages and snacks.

Business class is great. New airplane, very comfortable, better than some of the major airlines I am used to

Terrible. Flight was cancelled due to the weather in the east and sout east(florida). Did not get any compesation of any kind. According to them, it was not under their control so I lost all the money paid for the 2 fairs from Raleigh, NC to Orlando, Fl.

great flight. Pilot was communicative, flight attendants were excellent. Really nice experience except my tv didn’t work.

Overall, the flight was better than the flight I took to go to Florida, which had a bunch of problems. The crew is really nice and the plane was new so it had a small problem when we were on the runway, but the flight itself was great. They even made some time back up, which is always a good thing.

at the time for boarding the lady just call Group A and no other goups and everybody from A to F go inside without the right turn,and when we get in theres no more spsce for carry on , the ones that get in at not correct group from the back occupy our space !!!!! a mess !!!!

There were multiple delays but JetBlue tried to make the boarding and departure process as quick and efficient as possible. The crew was as detached from reality as could be, meaning: not very friendly and just doing things by the numbers.

I had back trouble prior to my flight and everyone was great about helping me.

Jetblue needs to improve on Onboarding as it seems to always be behind on departing. It never leaves on time. I would recommend to have an earlier Onboarding in order to leave on time and respect your customers time as well.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

Food was terrible Not many options Stewards dont care Delay

The ride was good but no food ot entertainment hence, it was just over an hour flight.

they made me check my carryon. There was space in the overhead bins.

The Polaris experience is top notch. From departure lounge to arrival lounge. Everything was top notch. One of the best first class experience

The plane was delayed 2 hours. The wifi did not work. The seat in first class was not comfortable because the bottom felt like it lost all of its padding. And I did not like when the flight attendant made me wait at my seat to use the bathroom and didn't tell me why. If there were too many people using the 1st Class bathroom, she should have told me to go in the back, coach bathrooms. I guess I have to feel fortunate that they found 2 local pilots to still fly the plane tonight after the original pilots ended up at an airport 60 miles away due to high winds.

EWR terminal C United Club is great. Flight and everything else mediocre

Flight delayed for 2 hours due to a part. The plane sat waiting for boarding for a long time and during final preflight inspection the issue was found. Why not do the preflight inspection sooner if you know the plane is being used?

The crew were really great, but the 4 hour delay in small chunks was the worst.

Very bad , airplain had problem with engines , had to evacuate, had a delay on my trip for almost 4 hours , lost my rental car in london..

Terrible boarding , Business class seats are sub standard. As usual crew will miss your food too

Just get Economy Plus for international flights, so worth it the extra room, bigger seats…

Overall the flights pretty good. The snacks we’re good and they were plenty of them. Both boarding and deplaning went quickly.

The return trip was a customer service disaster. American Airlines needs an overhaul of how they treat their customers.

Delayed abs delayed Gate crew giving poor info - we are definitely leaving at —- Ultimately to cancel flight after 4+ hours of delays Just cancel it earlier

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

Lots of weather delays that were poorly communicated and managed. I get there are weather delays but they didn’t make it clear what was happening or comfortable on the plane

Was flying in premium eco and there were around 5-6 movies I wanted to watch and none of those could I play for some reasons. Not just me we checked w the person sitting next to me. Few of the movies were only playable :( Also that was not great that we couldn't upgrade to business however tried to, many times before the flight :(

Everything was on time; the flight attendants and the gate personnel were very pleasant and helpful.

You cancelled my flight by email then made it very difficult to get in contact with you. Then put me in a flight with a long layover in Mexico returning to the wrong airport in uk. Mind blowing my stressful. I missed see my grand dad because of you.

Lost our bags in Heathrow, We didn’t receive bags in Mallorca for 3 days, out of a 7 day cycling vacation. Really inconvenient and disappointing!

We missed the flight to Barcelona because the flight from Baltimore was delayed. We flew on Vueling VW6653. Our luggage didn’t arrive. Please help us get our luggage. We are staying at Hotel Gran Via in Barcelona

The seats were tiny, being of a fairly petite build, I don’t usually expect to feel crammed and cramped in a seat, but I definitely was on this flight. I couldn’t even bend over to get anything out from under the seat in front and getting up to go to the bathroom at night with the seat backs reclined was nearly impossible. I had to do gymnastics to get over and out. For an airline that does long flights overnight, it’s kind of ridiculous.

In economy and food was ok, but with limited leg space (and I was in a 2 seat configuration) it was difficult to eat with a tiny seat tray. I spilt wine on my trousers. First time on British Air (I usually fly Turkish Air) and in a 777. Heathrow was pleasant but changing terminals awkward.

Starting with the flight Cairo to London the plain was so poor no entertainment at all uncomfortable seats although it’s 5 hours long,then an American airline plain took me from London to Miami it was a bad experience the crew most of flight time not available and they asked us to help our selves for any snacks if we need. From Miami to London actually was perfect flight with a huge plain and perfect crew but from London to Cairo was horrible plain with stiff fixed seats not movable no entertainment or wi fi very poor Menu which is unacceptable for a business class

I've done hundreds of flights in my life, and this flight was one of the best I've ever taken, From beginning to end, everything went smoothly, professionally, and with a smile and friendly attitude from all employees I interacted with. The food was delicious (and free), as were the drinks. There was just a genial and effective way in the way that British Airways organized the flight -that reminded of days in the 70's, 80's, and 90's, when flying was a fun, and exciting adventure. I enjoyed and had confidence in the abilities of the flight crew, I'll be flying British Airways several more times this summer. Thank you so much for the great experience! Cheryl Olso

Terrible! I missed my flight to my final destination and British airlines and American Airlines keep pointing fingers on each other’s. Nobody wants to take responsibility

Overall, terrific service, accommodations, and experience. Only reason comfort was rated lower was because it was difficult to keep a comfortable sleeping position for the overnight flight, but I also had an economy seat.

Very cramped seats in economy, difficult to get comfortable with your legs and feet and back. The seat width is ok but I’m average size. Food is HORRIBLE. Crew is friendly. Delays and very tight connections made it tough for navigating. We would have missed our connecting flight if it wasn’t delayed too. The terminal transit was slow and normally every 10 minutes before 8pm, after 8 pm is every 30 minutes!!!!! No free wine or drinks!! Below average attitude.

Leg room was better than expected. Lavatory’s were easy to access.crew was grea!

Book cheap flights from Washington, D.C. to London

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to London found on KAYAK in the last 72 hours.
10/20Sun
1 stopJetBlue
13h 00mDCA-LHR
$372
9/25Wed
1 stopJetBlue
14h 00mDCA-LHR
$377
9/25Wed
2 stopsUnited Airlines
12h 30mDCA-LHR
$433
11/2Sat
1 stopVirgin Atlantic
15h 17mDCA-LHR
$443
5/19Sun
1 stopVirgin Atlantic
9h 57mDCA-LHR
$455
7/22Mon
2 stopsUnited Airlines
15h 00mDCA-LHR
$462
8/17Sat
1 stopBritish Airways
20h 55mDCA-LHR
$485
7/30Tue
1 stopBritish Airways
9h 40mDCA-LGW
$493
6/29Sat
1 stopAmerican Airlines
19h 45mDCA-LHR
$712
7/7Sun
1 stopAmerican Airlines
9h 40mDCA-LGW
$712

Search by stops

Search by airline

Search by price

Last minute flights from Reagan-National to London

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to London that are departing in the next 10 days.
5/14Tue
multi-stopAir Canada
12h 05mDCA-LHR
5/29Wed
multi-stopAir Canada
17h 17mLHR-DCA
$644
5/14Tue
multi-stopAir Canada
28h 50mDCA-LHR
5/29Wed
multi-stopAir Canada
29h 47mLHR-DCA
$649
5/12Sun
multi-stopAir Canada
12h 05mDCA-LHR
5/28Tue
multi-stopAir Canada
11h 27mLHR-DCA
$655
5/14Tue
multi-stopBritish Airways
13h 34mDCA-LGW
5/28Tue
multi-stopBritish Airways
13h 19mLGW-DCA
$657
5/13Mon
multi-stopUnited Airlines
10h 55mDCA-LHR
5/28Tue
multi-stopUnited Airlines
17h 17mLHR-DCA
$660
5/12Sun
multi-stopUnited Airlines
9h 45mDCA-LHR
6/6Thu
multi-stopUnited Airlines
11h 27mLHR-DCA
$661
5/13Mon
multi-stopAmerican Airlines
11h 13mDCA-LHR
5/21Tue
multi-stopAmerican Airlines
12h 14mLHR-DCA
$694
5/12Sun
multi-stopAmerican Airlines
13h 30mDCA-LHR
5/22Wed
multi-stopAmerican Airlines
12h 05mLHR-DCA
$695
5/11Sat
multi-stopBritish Airways
20h 10mDCA-LHR
5/21Tue
multi-stopBritish Airways
11h 16mLHR-DCA
$697
5/11Sat
multi-stopVirgin Atlantic
11h 52mDCA-LGW
5/21Tue
multi-stopVirgin Atlantic
13h 58mLGW-DCA
$751

Search by stops

Search by airline

Search by price

Reagan Washington National Airport - London Flights