DCA - LHR

$357 Find Cheap Flights from Reagan Washington National Airport to London Heathrow Airport

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 Heathrow departing on 5/14. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
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.
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Everything you should know

Cheapest round-trip
$705
Typical prices: $1,013-$853
Air Canada
lun. 5/11mar. 6/2
DCA - LHR • 1 stop
Cheapest one-way
$357
Typical prices: $509-$514
JetBlue
jue. 5/14
DCA - LHR • 1 stop
Top airlines
Cheapest • from $705 (round-trip)
Best reviews • 7.5 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Reagan-National and Heathrow. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $495 (round-trip)
Shortest trip • 9h 40m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Reagan-National to Heathrow (DCA-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Heathrow 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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Heathrow

lun., may. 11 - mar., jun. 2
Air Canada Logo
12:45 pm - 6:30 am
DCA
-
LHR
12h 45m
1 stop
Air Canada Logo
9:30 am - 3:39 pm
LHR
-
DCA
11h 09m
1 stop
$705Air Canada
dom., may. 10 - vie., jun. 5
Air Canada Logo
4:20 pm - 10:00 am
DCA
-
LHR
12h 40m
1 stop
Air Canada Logo
9:30 am - 3:39 pm
LHR
-
DCA
11h 09m
1 stop
$707Air Canada
lun., may. 11 - mié., jun. 3
Air Canada Logo
12:45 pm - 6:30 am
DCA
-
LHR
12h 45m
1 stop
Air Canada Logo
12:05 pm - 7:58 pm
LHR
-
DCA
12h 53m
1 stop
$708Air Canada
mar., may. 12 - jue., jun. 4
Air Canada Logo
4:20 pm - 10:00 am
DCA
-
LHR
12h 40m
1 stop
Air Canada Logo
8:30 am - 6:13 pm
LHR
-
DCA
14h 43m
1 stop
$711Air Canada
jue., abr. 23 - mié., may. 6
Multiple Airlines Logo
6:00 am - 8:45 pm
DCA
-
LHR
9h 45m
1 stop
Multiple Airlines Logo
7:40 am - 10:59 pm
LHR
-
DCA
20h 19m
2 stops
$718Multiple Airlines
mar., may. 19 - vie., may. 29
Air Canada Logo
4:20 pm - 10:00 am
DCA
-
LHR
12h 40m
1 stop
Air Canada Logo
9:30 am - 3:39 pm
LHR
-
DCA
11h 09m
1 stop
$721Air Canada
lun., may. 18 - vie., may. 29
Air Canada Logo
12:45 pm - 6:30 am
DCA
-
LHR
12h 45m
1 stop
Air Canada Logo
2:05 pm - 9:55 pm
LHR
-
DCA
12h 50m
1 stop
$736Air Canada
jue., abr. 23 - mié., may. 6
JetBlue Logo
6:00 am - 8:45 pm
DCA
-
LHR
9h 45m
1 stop
JetBlue Logo
11:55 am - 10:59 pm
LHR
-
DCA
16h 04m
1 stop
$739JetBlue
dom., may. 17 - vie., may. 29
Air Canada Logo
6:55 pm - 11:50 am
DCA
-
LHR
11h 55m
1 stop
Air Canada Logo
2:05 pm - 9:55 pm
LHR
-
DCA
12h 50m
1 stop
$742Air Canada
mar., may. 19 - vie., jun. 5
Air Canada Logo
4:20 pm - 10:00 am
DCA
-
LHR
12h 40m
1 stop
Air Canada Logo
2:05 pm - 9:55 pm
LHR
-
DCA
12h 50m
1 stop
$745Air Canada
Booking Insights

KAYAK's insights & trends for Reagan-National to Heathrow flights

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

How much is a round-trip flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport departing in May.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport, 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 Heathrow Airport is November, where tickets cost $644 (return) on average. On the other hand, the most expensive months are February and June, where the average cost of round-trip tickets is $1,390 and $1,001 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport, you should book around 2 weeks before departure, which saves you about 13% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$357
Best time to beat the crowds but there is an average 62% increase in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Reagan Washington National Airport to London Heathrow Airport

When to book flights from Reagan-National to Heathrow

Are your dates flexible? Find out the best times to travel from Reagan-National to Heathrow 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 Heathrow Airport flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to London Heathrow Airport was $357 for a one-way ticket and $705 for a round-trip.

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

    Yes, you’ll need a passport to travel to London Heathrow Airport from Reagan Washington National Airport.

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

    On your way to London Heathrow Airport, you’ll fly out from Washington, D.C. Reagan-National. You’ll be landing at London Heathrow.

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

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to London are Delta and Virgin Atlantic. With an average price for the route of $895 and an overall rating of 7.9, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $893 and an overall rating of 7.5.

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

    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 Heathrow Airport.

  • 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 Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport 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 Heathrow Airport?

    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 Heathrow Airport with an airline and back to Reagan Washington National Airport with another airline. Booking your flights between Reagan Washington National Airport and LHR can sometimes prove cheaper using this method.

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

    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 Heathrow Airport from Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Reagan-National to Heathrow

 
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 Heathrow? 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.
7.5
Virgin AtlanticOverall score based on 685 reviews
8.1Crew
7.7Boarding
7.3Comfort
7.5Entertainment
6.9Food
Airline reviews

Seating and zone. The minor I went with didn’t even seat close to me

4.0 OkayAnonymous, Mar 2026
BOS - LIS
Read more Virgin Atlantic reviews

Seating and zone. The minor I went with didn’t even seat close to me

My seat 3G did not go down fully and the buttons were not working properly

Food has been disappointing in both legs of flight to india

Great staff great experience, made a 2 hour delay very bearable

Great staff, great experience, made a 2 hour delay very bearable

Food was the worst I’ve had on a VA flight. Normally it’s a lot better

I was my pleasure to fly virgin on my birthday for my first solo trip ever 🫶🏼

These are one of the older seat arrangements facing away from the windows! Not particularly convenient sets. No storage spaces. NO COAT HANGING HOOKS. Inconvenient business class seat compared to any other airlines of similar class. Staff are excellent! Extremely professional, friendly. Food is good too.

Overall, flight was excellent but check in was very slow for Premium Economy. Economy queue was shorter but we weren't allowed to use it.

The staff was not very polite but the flight was very very nice and comfortable and the entertainment was great

Good quick flight on a small but comfortable plane. I'm 6'3 and had plenty of space.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

Wonderful. Quick boarding. Early departure and we arrived 30 minutes early at our destination. Unfortunately, when you arrive early, there is still a departing aircraft at our gate. We had to park for 30 minutes until the gate was clear. So our early arrival was not really early at the gate. Otherwise it was a quick and smooth flight. Appreciated the efficiency.

Wifi took a while to kick in and we had a maintenance issue that took over 40 mins at the gate in Washington before pulling back

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

Ineffective communication with United resulted in lost baggage. Their Baggage Tracing counter at MUC was shut down from 11:00-14:15 on my arrival. Undertrained, underinformed staff had me Running all over MUC to find someone to help me to no avail. Staff was rude, unhelpful, and unable to effectively use the systems they did have operational. They refused to contact United in any way or provide any accommodation or other resources while I waited for my luggage. This has destroyed my downstream itinerary. If they had even the slightest visibility I may have been able to reschedule/plan, but again, their staff provided nothing, and did nothing more than their website, which doesn’t even work on a standard phone browser. Miserable failure at all levels that weren’t associated with the operation of the aircraft.

Some flight attendants were great others were cranky. Seats were very tight and sitting on an aisle was very hard as the carts and people walking constantly bumped shoulder and arm.

Sat next to a one year old. She crawled all over the place and made me laugh.

The Crew and the food was the worst I ever had in Business Class. First they told us there were no space for carry on. It was plenty of space over our 2 row seats, we had to ask to let us travel with it which was accepted. They were aware that we had to run for the connection due to the previous flight delay. Have us one hour waiting for more customers and not even offer a glass of water. Then started the service and they started to serve other passengers drinks in business and did not offer any drinks until they serve our pre ordered meal and I ask for something to drink. I had to wait until they finished to serve all passengers until Inget something. The crew was the worts I ever had for Business Class in my life.

Flight was good wish there were more snacks options for such a long flight but stewardesses were very pleasant as was flight crew.

I was denied a plastic fork to eat my food and was told plastic forks are for paying customers who buy Jet Blue’s food. So I had to make a utensil out of a cup so nourish my body. Like a refugee. Because decency is dead.

I was especially impressed without efficiently the crew got passengers on and off. One of the stewards was slightly gruff, I thought. No big deal but that's what I noticed.

Absolutely horrible. Flight was delayed 4 hours and they had no clue what was going on.

Onboard functioning wide-variety entertainment on a budget and having an open pantry is nice. Seats are not comfortable but go provide plenty of legroom for a 6'2" 260lbs man.

Even though the weather made a lot of flights become cancelled Jet Blue made the flight that was supposed to leave at 9 pm and we left at 12:15 am and I was so grateful- Thanks to the Senior Jet Blue Staff who made those decisions

Worst customer service ever experienced on the planet, dirty plane, no communication, and severe delays

Flight cancelled 2 hours prior to boarding. No explanation. No refunds.

Delayed by 1.5 hours. Terrible apologies, half hearted at best. It will be a LONG time until i book w Jet Blue again. Very disappointed.

My check in was stressful. I somehow lost my seat from my original booking, the plane showed no availability/no seat when it was time to check-in. I called and was instructed to try to get a seat at the airport. I asked if it was a full flight and the travel agent said the site showed some seating but was not able to secure one for me. Why not? On my way to the airport the app finally revealed one available seat towards the back of the aircraft that I was able to book. It ended up being an overbooked flight, so glad I wasn't stuck.

Tv screens and movie selection v good. Friendly staff. They were really worried about max capacity and room for carryons. That is never fun but i had no problem finding space when I boarded.

British Airways is an excellent travel service. Comfort, food and airline personnel.

Good level of service. Comfortable airplane. However, security is always a hassle at LHR. I always try to avoid that airport at all cost if possible.

Everything smooth. The only thing is that my connecting flight in the US to my final destination was delayed. The time changed 4 times. For the rest, everything on time without issues

My flight to London from Philadelphia was cancelled due to weather.

Disliked having to wait a little longer to disembark from the plan when we landed in London

Food should be better quality. Video screens have poor resolution and the library of movies is poor. The other airlines are much better.

The trip was smooth but the crew were very abrupt, snatching things before finished and being quite snappy when asked questions.

My wife and I love to travel, so we fly a lot. We've already logged 381,075 miles and with practically every major airline. But this flight was very disappointing. It started off well, with no delays and a new plane. But when lunchtime approached, all that good impression was ruined. Instead of white tablecloths, we were offered small, dark placemats, which, as it turned out, were perfectly adequate for the food. All the food offered—and my wife and I only took fish, and the meat—was not just bad, it was downright disgusting and not heated enough. The same applies to the appetizers. This was the first time in many years of traveling that we've been offered such disgusting food.

Lost luggage stuck no clothes and no word after 2 days leaving on cruise no stuff or clothes

The gate agent made me check my carry-on in Denver, even though I've traveled all over taking this case on the plane. Beware folks. Food in Premium Economy was quite good - excellent blanket! Flight attendants on the Heathrow-to-Budapest flight on 3-27-2026 were quite snappy. I got a frown when asked to unscrew the water bottle cap for me (I had a cast on my right arm). Also woke up right when they were handing out biscuits. She had given my rowmates one and was in the process of giving water when I asked for a biscuit. She scolded me and said, "You snooze, you lose". She did give me one, but I thought that comment was uncalled for.

Wish the food and overall service was better. They treat Business class passengers same as economy

WiFi wasn’t available to economy until the end of the flight.

Very good staff members with sincere passion and responsibility in their job.

Very please with the seating that the Kayak staff booked for us!

Worth every penny to upgrade to BC. Treated and felt more like First Class

Good service, food and comfort in World Traveller Plus. Entertainment was poor - no wifi on the way out and barely working on the way back. Not a great choice of entertainment on the seat back tv.

They had us seating down for one hour just waiting on the plane

Flying with BA is always a good experience—even in economy class. It is better if in business and first class. Timely, breeze through security and timely connections

We waited at BOS at the gate for an hour and couldn’t get a drink or anything. Once in the air the service, food and ride was excellent.

Everything you need to know for your flight from Reagan-National to Heathrow

Information on your arrival and departure airports