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Washington, D.C.

$328+ Cheap flights from London, ON (YXU) to Washington, D.C. (WAS)

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — WAS
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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Cheap flight deals from London to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Washington, D.C. (WAS). 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 abril 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$514
(Mytrip)

One-way from

$328
(Air Canada)
Provider with most accurate pricing for London-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for London-Washington, D.C. (WAS) flights.
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From London to Washington, D.C. (WAS)
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One-way flight from London to Washington, D.C. (WAS)
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Find flight deals from London to Washington, D.C.

Cheapest flights from London to Washington, D.C.
Explore the most affordable flight options available from London to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/276:00 amYXU - BWI
3 stops24h 10mMultiple Airlines
mar. 6/37:17 amBWI - YXU
3 stops21h 57mMultiple Airlines
Deal found 4/28$514
This Air Canada deal was found by Cheapflights users on 4/28. 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.
sáb. 5/319:55 amYXU - IAD
1 stop4h 24mMultiple Airlines
mar. 6/310:20 amIAD - YXU
1 stop4h 38mMultiple Airlines
Deal found 4/28$614
This United Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 6/136:15 amYXU - BWI
2 stops7h 42mUnited Airlines
vie. 6/206:40 amBWI - YXU
2 stops8h 17mUnited Airlines
Deal found 4/29$628
This Air Canada deal was found by Cheapflights users on 4/28. 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.
sáb. 5/313:40 pmYXU - DCA
1 stop4h 03mAir Canada
mar. 6/311:00 amDCA - YXU
1 stop3h 58mAir Canada
Deal found 4/28$637
This United Airlines deal was found by Cheapflights users on 4/28. 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.
jue. 6/129:55 amYXU - DCA
2 stops9h 07mUnited Airlines
jue. 6/196:00 amDCA - YXU
2 stops8h 57mUnited Airlines
Deal found 4/28$643
This Booking.com deal was found by Cheapflights users on 4/29. 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.
vie. 6/139:55 amYXU - IAD
2 stops6h 20mAir Canada
vie. 6/2010:15 amIAD - YXU
1 stop4h 42mAir Canada
Deal found 4/29$643
This United Airlines deal was found by Cheapflights users on 4/28. 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.
sáb. 5/319:55 amYXU - IAD
2 stops14h 35mUnited Airlines
mar. 6/310:20 amIAD - YXU
1 stop4h 38mUnited Airlines
Deal found 4/28$658

Cheapflights Fare Finder

Customize your flight search to find flights from London to Washington, D.C. 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 abril 30, 2025.
Use the filters below to find and compare flights from London to Washington, D.C. that are best for you.

Fly from

London

Fly to

Washington, D.C.

Route

Depart

Return

Price

LondonBaltimore

YXU - BWI

YXUBWI

London

mar. 5/27

6:00 am-6:10 am

3 stops24h 10m

Baltimore/Washington

mar. 6/3

7:17 am-5:14 am

3 stops21h 57m

$514

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

sáb. 5/31

9:55 am-2:19 pm

1 stop4h 24m

Washington, D.C. Dulles Intl

mar. 6/3

10:20 am-2:58 pm

1 stop4h 38m

$614

LondonBaltimore

YXU - BWI

YXUBWI

London

vie. 6/13

6:15 am-1:57 pm

2 stops7h 42m

Baltimore/Washington

vie. 6/20

6:40 am-2:57 pm

2 stops8h 17m

$628

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

sáb. 5/31

3:40 pm-7:43 pm

1 stop4h 03m

Washington, D.C. Reagan-National

mar. 6/3

11:00 am-2:58 pm

1 stop3h 58m

$637

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

jue. 6/12

9:55 am-7:02 pm

2 stops9h 07m

Washington, D.C. Reagan-National

jue. 6/19

6:00 am-2:57 pm

2 stops8h 57m

$643

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

vie. 6/13

9:55 am-4:15 pm

2 stops6h 20m

Washington, D.C. Dulles Intl

vie. 6/20

10:15 am-2:57 pm

1 stop4h 42m

$643

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

sáb. 5/31

9:55 am-12:30 am

2 stops14h 35m

Washington, D.C. Dulles Intl

mar. 6/3

10:20 am-2:58 pm

1 stop4h 38m

$658

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

jue. 6/12

6:15 am-3:49 pm

2 stops9h 34m

$328

LondonBaltimore

YXU - BWI

YXUBWI

London

sáb. 6/14

6:15 am-1:57 pm

2 stops7h 42m

$336

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

jue. 6/12

3:35 pm-7:43 pm

1 stop4h 08m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 11 results
1
2

Compare providers for flights from London to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Washington, D.C. in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London, Ontario-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London, Ontario-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London, Ontario-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London, Ontario-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London, Ontario-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from London 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 London to Washington, D.C.

What is the cheapest month to book a flight from London, Ontario to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. (average of $309). Flying from London, Ontario to Washington, D.C. in June is currently the most expensive (average of $373). 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated abril 30, 2025.
Peruse reviews from past customers who have flown with United Airlines and Air Canada from London to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
Air Canada
7.0
Good
9,242 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Related info for your journey

Find useful and relevant information for your journey from London to Washington, D.C.. 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 London to Washington, D.C.?

    Most people fly from London (YXU) if they book a flight from London to Washington, D.C.. On average, London has 0 outbound flights to Washington, D.C. per day from 0 airlines. London is conveniently located just 5.3 mi from London’s city center.

  • What are the cheapest airlines flying from London, Ontario to Washington, D.C. round-trip?

    Cheapflights users have booked flights from London, Ontario to Washington, D.C. round-trip from $628. Another airline that can offer you cheap pricing is Air Canada.

  • What are the most popular routes from London, Ontario to Washington, D.C.?

    The most popular route from London, Ontario to Washington, D.C. is London - Washington, D.C. Reagan-National. You may also consider London - Washington, D.C. Dulles Intl or London - Baltimore/Washington.

  • Can I find deals for flights from London to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on London to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Washington, D.C..

  • Can I find deals for business class flights from London to Washington, D.C.?

    Yes. Cheapflights offers flight deals from London to Washington, D.C. 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 London, Ontario to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. (average of $309). Flying from London, Ontario to Washington, D.C. in June is currently the most expensive (average of $373). 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.

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