£327 Find Cheap Flights to Washington

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from the United Kingdom to Washington departing on 7/6. 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

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These are the airlines KAYAK users have selected most often from within our search results for flights to Washington
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Cheap Flights to Washington

Cheapest return prices found by our users on KAYAK in the last 72 hours
Seattle
Seattle1 stop£514
Spokane
Spokane2 stops£659
Seattle
Seattle1 stop£514
Spokane
Spokane2 stops£659

Book Cheap Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to Washington 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 return flight deals to Washington

Tue, 23 Jun - Tue, 30 Jun
Multiple Airlines Logo
07:30 - 17:10
MAN
-
SEA
17h 40m
1 stop
Multiple Airlines Logo
19:10 - 20:05
SEA
-
MAN
16h 55m
1 stop
£514Multiple Airlines
Wed, 18 Nov - Mon, 23 Nov
Delta Logo
10:00 - 15:21
LGW
-
SEA
13h 21m
1 stop
Delta Logo
14:05 - 15:45
SEA
-
LGW
17h 40m
1 stop
£533Delta
Thu, 1 Oct - Mon, 30 Nov
Air France Logo
06:15 - 11:15
LHR
-
SEA
13h 00m
1 stop
Air France Logo
16:48 - 10:30
SEA
-
LHR
9h 42mdirect
£536Air France
Sat, 26 Sep - Thu, 22 Oct
Icelandair Logo
21:25 - 20:40
LHR
-
SEA
31h 15m
1 stop
Icelandair Logo
19:00 - 20:20
SEA
-
LHR
17h 20m
1 stop
£536Icelandair
Sat, 26 Sep - Thu, 22 Oct
Icelandair Logo
21:25 - 20:40
LHR
-
SEA
31h 15m
1 stop
Icelandair Logo
19:00 - 11:55
SEA
-
LHR
32h 55m
1 stop
£538Icelandair
Thu, 1 Oct - Mon, 30 Nov
Multiple Airlines Logo
06:15 - 11:15
LHR
-
SEA
13h 00m
1 stop
Multiple Airlines Logo
13:30 - 10:00
SEA
-
LHR
12h 30m
1 stop
£539Multiple Airlines
Sat, 26 Sep - Thu, 22 Oct
Icelandair Logo
21:25 - 20:40
LHR
-
SEA
31h 15m
1 stop
Icelandair Logo
19:00 - 20:20
SEA
-
LHR
17h 20m
1 stop
£539Icelandair
Wed, 18 Nov - Mon, 23 Nov
Virgin Atlantic Logo
20:05 - 11:47
LCY
-
SEA
23h 42m
1 stop
Virgin Atlantic Logo
07:20 - 09:30
SEA
-
LCY
18h 10m
2 stops
£547Virgin Atlantic
Wed, 18 Nov - Mon, 23 Nov
Virgin Atlantic Logo
08:40 - 23:59
LCY
-
SEA
23h 19m
2 stops
Virgin Atlantic Logo
07:20 - 09:30
SEA
-
LCY
18h 10m
2 stops
£551Virgin Atlantic
Tue, 23 Jun - Tue, 30 Jun
Aer Lingus Logo
12:50 - 17:10
MAN
-
SEA
12h 20m
1 stop
Aer Lingus Logo
19:10 - 20:25
SEA
-
MAN
17h 15m
1 stop
£623Aer Lingus
Booking Insights

KAYAK's insights & trends for flights to Washington

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

What is the cheapest flight to Washington?

These are the best return prices found by users searching on KAYAK in the last 72 hours.

The cheapest ticket to Washington from the United Kingdom found in the last 72 hours was to Seattle, at £496 return. The most popular route is London Heathrow Airport (LHR) to Seattle (SEA) and the cheapest return airline ticket found on this route in the last 72 hours was £496.

What is the cheapest month to fly from the United Kingdom to Washington?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United Kingdom to Washington, 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 the United Kingdom to Washington is October, when tickets cost £540 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is £886 and £713 respectively.

What is the cheapest time of day to fly to Washington?

The average price for all round-trip flights from the United Kingdom to Washington depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Washington is generally in the afternoon, when retur flights cost £603 on average. Morning departures are around 2% cheaper than evening flights, on average. The most expensive time of day to fly to Washington is generally in the evening, which is peak travel time and where the average cost of a ticket is £640.

How far in advance should I book a flight from the United Kingdom to Washington?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Washington, 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 a flight from the United Kingdom to Washington, you should book around 5 weeks before departure, which saves you about 20% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Which is the cheapest airport to fly into in Washington?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Washington is Seattle/Tacoma Intl Airport (SEA), with an average flight price of £663.

Good to know - Cheap tickets to Washington

Low seasonJanuary
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (21% more expensive on average)

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from the United Kingdom to Washington?

    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 the United Kingdom to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from the United Kingdom to Washington?

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

  • What is the Hacker Fare option on flights from the United Kingdom to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from the United Kingdom to Washington with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from the United Kingdom to Washington?

    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 from the United Kingdom to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Washington?

    Based on KAYAK data, the cheapest day to fly to Washington is Thursday when return tickets can be as cheap as £609. On the other hand, the most expensive day to fly is Sunday, when return prices are £681 on average.

Top tips for finding cheap flights to Washington

  • Looking for cheap airfare to Washington? 25% of our users found round-trip tickets to Washington for the following prices or less: Cheap flights to Washington from London Heathrow £1,498
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Washington flight deals.

Reviews of the top 5 airlines flying to Washington

 
See real verified KAYAK customer reviews for airlines flying to Washington. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from the United Kingdom to Washington. 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 the United Kingdom to Washington? 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.
7.8
KLMOverall score based on 1522 reviews
7.3Food
7.2Entertainment
8.4Crew
7.7Comfort
7.8Boarding
Airline reviews

Brand new plane lots of room the snack was very flavourful and enjoyable

10.0 ExcellentBob, May 2026
MAD - AMS
Read more KLM reviews

Brand new plane lots of room the snack was very flavourful and enjoyable

There were no charge points for phones on the economy seats. The seats were comfortable overall. Food was okay.. flight was on time

The flight was delayed. The aircraft was unclean. Promised seat was not given due to change in Aircraft. Not one crew on ground was in a position to give any response. Amsterdam Airport is AVIODABLE Over crowded. Over Expensive. Poor Services.

It was really nice experience by flying this klm flight.I personally recommend everyone to please try this klm flight

The crew were unprofessional with a racist element. I was physically abused as well from one of the crew members

Crew is not the cheerful type. very slow meal service (this is their style as have flown this many times)

Empty seats next to me - wish it had been for a longer flight!!

Terrible last row seats many seats available but no offer to move to better seat

Delay on my previous leg, had to run to catch my flight. But that happens. Overall ok.

Delay and had to run between flight to get my connection due to this delay but besides that the overall experience was ok. I arrived with just an hour of delay.

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

I sat in the first row behind first class. There was plenty of legroom. The entertainment was great. I saw two excellent movies and one episode of a sitcom. Also enjoyed the flight tracker.

OK overall. Flight was delayed Crew on flight was good

On time, only a little turbulence, very competent and caring attendants. Clear information.

Late late late. Delayed and arrived an hour late for a 1 hour 45 minute connection. Every time. Poor record for this company. I try to fly any other carrier first.

The flights are literally always delayed arriving, boarding and taking off so they are always late for the connection. I planned ahead so I was okay but many others aren't. The food was terrible. The staff was very pleasant. I appreciate boarding back to front.

The crew was friendly. The plane was comfortable. In-flight wifi didn't work well at all. The ride was quite turbulent but understandable given the weather.

My issue is with the SkyWest terminal. The flight was not listed on the main airport flight screen list, and I had to do a Google search to locate the terminal and gate. We had to ask several airport employees where to locate the phantom gate. The airport did not provide adequate signage and was confusing. When we arrived, there was one vendor providing services that quickly closed, leaving zero options for food and drink while we waited hours for our delayed flight. The crew that assisted with check-in and boarding was VERY friendly.

Economy seats a bit small but other than that it was all good.

No complimentary drinks or snacks offered on a 2 hour flight was disappointing but everything else went well

All aspects were excellent - it helped that the flight was only 2/3 full and I had no one sitting in my row. The Pre-check (US Passport Control and Customs) in Dublin made everything so easy when we arrived in Chicago.

The Check-in process at CDG was confusing and the crew was not helpful. But the flight was on-time and that is most important to me.

At least one soda free, felt like I was nickeled to death.

Friendly flight crew. Airplane (757) configured as a domestic flight (no lie-flat seats) & no advanced meal selection.

Was a bit surprised that Icelandair flies a domestically configured 757s on long-haul flights to Iceland (no lie-flat seats in business class).

The Icelandair crew was so kind!!! Thank you for making my first trip to Paris a great one!

I am not going to fillo this out for each leg of my trip. My first review holds for the experience

The most uncomfortable seat i’ve ever had on a flight

Waiting area on top of stairs before Boarding the bus wasn’t great. Took a long time to load the bus to gate.

The real reason why the flying experience with Icelandair ---was mediocre was because of not being able to enter DC airspace yesterday evening. This obviously was out of your control and do realize this is a safety issue. I did notice---that everything was being done to get us to Washington Dulles and we did arrive at Dulles SAFELY with just a 4 hour delay. Thank you!

The staff was kind and helpful. There was no food, and you needed to bring your own earphones to use the entertainment, which I didn’t know.

Business class lounge for my gate was closed and no email was sent, causing me to walk back and forth to different gates, etc for over 20 minutes one way. Flight entertainment was mediocre with very poor choices especially for business class cabin. Original flight was cancelled and rebooking was difficult and no reason given for cancellation.

Very comfortable flight and simple and directed one way and back. Amazing price.

We loved our flight attendant, Emma from Scotland, the meal and entertainment offerings were wonderful, the flight was smooth, and enough leg room to stretch. We would fly with you again!

Los Angeles to London. 25th of April 2026. Business class. I was flying backwards with a complete stranger snoring next to me. In Business class. Males and females, strangers lying next to each other. Seats were backwards. I paid for comfort. I got dizziness and stress.

Long line with check in at the DIA British Airway counter.

The flights were on time. Cabin crew were nice. The food was terrible! Checking in was not easy using my phone.

Crew were fantastic and the aircraft was extremely comfortable, but outdated. Headphone jacks were worn out and sound normally only came out of one ear unless positioned just right.

A shout-out to the flight attendent, Lauren, who was the main person assisting me. She was amazing - perfect balance of bright, cheerful, engaging, yet formal

OK, except for a cabin attendant's lack of attention.

efficient. on time. cabin crew were very professional and very nice to deal with. would definately fly BA again.

Everything you need to know for your flight to Washington