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Cheap flights from London, ON to Washington, D.C. from C$ 513

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — WAS
22 Jan — 29 Jan1
1 adult

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 17 January 2025.

Round-trip from

C$ 917

One-way from

C$ 513
United Airlines
  • United Airlines
  • 12/2-18/2
  • 3 total stops
  • 13h 22m total
  • London to Washington, D.C.
Search Deals
8/2
  • 8/2
  • 1 total stop
  • 6h 31m total
  • London to Washington, D.C.
Search Deals

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 17 January 2025.

Wed 12/23:25 p.m.YXU - DCA
1 stop4h 32mUnited Airlines
Tue 18/26:00 a.m.DCA - YXU
2 stops8h 50mUnited Airlines
Deal found 16/1C$ 917
Wed 12/25:45 a.m.YXU - IAD
1 stop5h 56mUnited Airlines
Tue 18/26:02 a.m.IAD - YXU
2 stops8h 48mUnited Airlines
Deal found 16/1C$ 917
Wed 12/23:25 p.m.YXU - IAD
1 stop5h 56mMultiple Airlines
Tue 18/210:35 a.m.IAD - YXU
1 stop4h 15mMultiple Airlines
Deal found 16/1C$ 921
Wed 12/25:45 a.m.YXU - BWI
2 stops8h 06mUnited Airlines
Tue 18/26:30 a.m.BWI - YXU
2 stops8h 20mUnited Airlines
Deal found 16/1C$ 926
Wed 12/28:00 p.m.YXU - BWI
3 stops33h 18mMultiple Airlines
Tue 18/210:28 a.m.BWI - YXU
3 stops32h 45mMultiple Airlines
Deal found 16/1C$ 1,427
Wed 12/28:00 p.m.YXU - DCA
3 stops22h 30mWestJet
Tue 18/211:05 a.m.DCA - YXU
3 stops32h 08mWestJet
Deal found 16/1C$ 2,097

Find flights from London to Washington, D.C. within your budget

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 629,999 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 12/2

3:25 p.m.-7:57 p.m.

1 stop4h 32m

Washington, D.C. Reagan-National

Tue 18/2

6:00 a.m.-2:50 p.m.

2 stops8h 50m

C$ 917

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Wed 12/2

5:45 a.m.-11:41 a.m.

1 stop5h 56m

Washington, D.C. Dulles Intl

Tue 18/2

6:02 a.m.-2:50 p.m.

2 stops8h 48m

C$ 917

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Wed 12/2

3:25 p.m.-9:21 p.m.

1 stop5h 56m

Washington, D.C. Dulles Intl

Tue 18/2

10:35 a.m.-2:50 p.m.

1 stop4h 15m

C$ 921

LondonBaltimore

YXU - BWI

YXUBWI

London

Wed 12/2

5:45 a.m.-1:51 p.m.

2 stops8h 06m

Baltimore/Washington

Tue 18/2

6:30 a.m.-2:50 p.m.

2 stops8h 20m

C$ 926

LondonBaltimore

YXU - BWI

YXUBWI

London

Wed 12/2

8:00 p.m.-5:18 a.m.

3 stops33h 18m

Baltimore/Washington

Tue 18/2

10:28 a.m.-7:13 p.m.

3 stops32h 45m

C$ 1,427

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 12/2

8:00 p.m.-6:30 p.m.

3 stops22h 30m

Washington, D.C. Reagan-National

Tue 18/2

11:05 a.m.-7:13 p.m.

3 stops32h 08m

C$ 2,097

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sat 8/2

9:55 a.m.-4:26 p.m.

1 stop6h 31m

C$ 513

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 8/2

3:25 p.m.-7:57 p.m.

1 stop4h 32m

C$ 517

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 8/2

5:45 a.m.-2:22 p.m.

2 stops8h 37m

C$ 530

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sat 8/2

5:45 a.m.-11:47 a.m.

2 stops6h 02m

C$ 530

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/1

Showing 1-10 of 11 results
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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.

Travel insights for flights from London to Washington, D.C.

Get recent, data-driven insights about flights from London to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. (average of C$ 327). Flying from London, Ontario to Washington, D.C. in March is currently the most expensive (average of C$ 421). 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 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 17 January 2025.
United Airlines
7.4
Good
8,964 reviews
Check prices

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

United Airlines
7.4
Good
8,964 reviews
United Airlines
7.4
Good
8,964 reviews
Check prices

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

WestJet
7.2
Good
2,824 reviews
United Airlines
7.4
Good
8,964 reviews
Check prices

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Air Canada
7.0
Good
8,587 reviews
United Airlines
7.4
Good
8,964 reviews
Check prices

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.7

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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 1 airline. London is conveniently located just 8.6 km from London’s city centre.

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

    Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at C$ 917. Another option worth looking into is WestJet, starting at C$ 2,097 round trip.

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

    When deciding which route to take from London, Ontario to Washington, D.C. consider London - Baltimore/Washington, London - Washington, D.C. Reagan-National or London - Washington, D.C. Dulles Intl as they are the most popular.

  • 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, February is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. (average of C$ 327). Flying from London, Ontario to Washington, D.C. in March is currently the most expensive (average of C$ 421). 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Herndon
Arlington
Hanover
Fairfax
Bel Air
Falls Church
Manassas
Fredericksburg
Alexandria
Rockville

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Top airline flying from London to Washington, D.C.

Discover the top airline that operate flights from London to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 582AverageC$ 691FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from London to Washington, D.C.?

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Why should you use Cheapflights to find cheap flight tickets from London to Washington, D.C.?

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Can Cheapflights find flights from London to Washington, D.C. with no change fees?

Yes! Cheapflights helps users easily find flights from London to Washington, D.C. with no change fees.

Can Cheapflights notify me if prices for flights from London to Washington, D.C. become cheaper?

Not ready to book yet? You can track prices for flights from London to Washington, D.C. on Cheapflights with our Price Alert feature and get notified when better prices are available.

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