How long is the flight from London, Ontario to Washington, D.C.?

Departing from London, Ontario to Washington, D.C. will take you 8h 42m. London, Ontario and Washington, D.C. are separated by a distance of 341 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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.

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).

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 - Baltimore/Washington. You may also consider London - Washington, D.C. Reagan-National or London - Washington, D.C. Dulles Intl.

What is the cheapest time of day to fly from YXU to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Washington, D.C. as you normally would.

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 FlightHub the most. FlightHub 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.

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.

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.

$321+ Cheap Flights from London, ON to Washington, D.C.

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Cheap flight deals from London to Washington, D.C.

Cheapest

Best

Last-minute

One-way

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 August 26, 2026.

Wed 9/235:40 am -

1 stop8h 42m

Fri 9/259:55 am -

1 stop4h 55m

Deal found 8/25

$555

Tue 10/203:30 pm -

1 stop4h 55m

Sat 10/249:55 am -

1 stop4h 55m

Deal found 8/25

$680

Fri 11/203:25 pm -

1 stop4h 33m

Sun 11/229:40 am -

1 stop5h 07m

Deal found 8/22

$685

Wed 10/216:20 pm -

2 stops16h 10m

Sat 10/246:25 am -

2 stops15h 15m

Deal found 8/25

$746

Sat 11/213:25 pm -

2 stops9h 05m

Sun 11/229:55 am -

1 stop4h 52m

Deal found 8/22

$753

Fri 10/95:40 am -

2 stops17h 19m

Fri 10/166:25 am -

2 stops15h 15m

Deal found 8/25

$784

Fri 11/203:25 pm -

1 stop4h 45m

Sun 11/221:19 pm -

2 stops8h 33m

Deal found 8/22

$787

Fri 11/203:25 pm -

1 stop4h 33m

Sun 11/2212:55 pm -

2 stops8h 57m

Deal found 8/22

$791

Sat 9/1210:05 am -

2 stops8h 17m

Sat 9/196:05 am -

2 stops15h 35m

Deal found 8/22

$828

Tue 9/16:20 pm -

1 stop4h 11m

Tue 9/811:00 am -

1 stop3h 50m

Deal found 8/25

$1,074

Sat 11/216:40 am -

3 stops28h 42m

Sun 11/226:55 pm -

2 stops34h 40m

Deal found 8/22

$1,870

Best flights from London to Washington, D.C.
Discover carefully curated flight deals from London to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Wed 9/235:40 am -

1 stop8h 42m

Fri 9/259:55 am -

1 stop4h 55m

Deal found 8/25

$555

Wed 10/216:20 pm -

2 stops16h 10m

Sat 10/246:25 am -

2 stops15h 15m

Deal found 8/25

$746

Sat 2/203:20 pm -

1 stop4h 38m

Wed 2/2412:55 pm -

2 stops8h 52m

Deal found 8/25

$680

Tue 10/203:30 pm -

1 stop4h 55m

Sat 10/249:55 am -

1 stop4h 55m

Deal found 8/25

$680

Sat 11/215:30 am -

2 stops8h 36m

Sun 11/226:10 am -

2 stops8h 37m

Deal found 8/22

$766

Fri 11/203:25 pm -

1 stop4h 33m

Sun 11/229:40 am -

1 stop5h 07m

Deal found 8/22

$685

Sat 9/1210:05 am -

2 stops8h 17m

Sat 9/196:05 am -

2 stops15h 35m

Deal found 8/22

$828

Sat 11/213:25 pm -

1 stop4h 33m

Sun 11/229:40 am -

1 stop5h 07m

Deal found 8/22

$685

Sat 11/216:40 am -

3 stops28h 42m

Sun 11/226:55 pm -

2 stops34h 40m

Deal found 8/22

$1,870

Sat 11/213:25 pm -

1 stop4h 45m

Sun 11/224:30 pm -

1 stop5h 22m

Deal found 8/22

$685

One-way flights from London to Washington, D.C.
Search for one-way flight options from London to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Sat 10/106:20 pm -

1 stop4h 14m

Deal found 8/25

$321

Sat 10/103:30 pm -

1 stop4h 55m

Deal found 8/25

$321

Tue 10/66:10 am -

2 stops39h 48m

Deal found 8/24

$338

Tue 10/66:10 am -

2 stops35h 08m

Deal found 8/24

$347

Tue 10/63:30 pm -

2 stops6h 20m

Deal found 8/22

$359

Tue 10/63:30 pm -

1 stop4h 55m

Deal found 8/22

$359

Thu 10/85:40 am -

2 stops17h 19m

Deal found 8/23

$408

Thu 10/86:20 pm -

1 stop4h 14m

Deal found 8/23

$421

Tue 10/66:10 am -

3 stops30h 01m

Deal found 8/24

$422

Tue 10/65:40 am -

2 stops14h 29m

Deal found 8/24

$427

Fri 10/95:40 am -

2 stops15h 22m

Deal found 8/25

$429

Thu 10/810:05 am -

1 stop4h 17m

Deal found 8/23

$445

Find flight deals from London to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$555 (Air Canada)
One-way from	$321 (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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Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Wed 9/23

5:40 am-2:22 pm

1 stop8h 42m

Washington, D.C. Dulles Intl

Fri 9/25

9:55 am-2:50 pm

1 stop4h 55m

$555

LondonWashington, D.C.

YXU London - DCA Washington, D.C. Reagan-National

YXUDCA

London

Sat 2/20

3:20 pm-7:58 pm

1 stop4h 38m

Washington, D.C. Reagan-National

Wed 2/24

12:55 pm-9:47 pm

2 stops8h 52m

$680

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Tue 10/20

3:30 pm-8:25 pm

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 10/24

9:55 am-2:50 pm

1 stop4h 55m

$680

Quickest round-trip

LondonWashington, D.C.

YXU London - DCA Washington, D.C. Reagan-National

YXUDCA

London

Fri 11/20

3:25 pm-7:58 pm

1 stop4h 33m

Washington, D.C. Reagan-National

Sun 11/22

9:40 am-2:47 pm

1 stop5h 07m

$685

LondonWashington, D.C.

YXU London - DCA Washington, D.C. Reagan-National

YXUDCA

London

Sat 11/21

3:25 pm-7:58 pm

1 stop4h 33m

Washington, D.C. Reagan-National

Sun 11/22

9:40 am-2:47 pm

1 stop5h 07m

$685

LondonWashington, D.C.

YXU London - IAD Washington, D.C. Dulles Intl

YXUIAD

London

Sat 11/21

3:25 pm-8:10 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

Sun 11/22

4:30 pm-9:52 pm

1 stop5h 22m

$685

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Wed 10/21

6:20 pm-10:30 am

2 stops16h 10m

Baltimore/Washington

Sat 10/24

6:25 am-9:40 pm

2 stops15h 15m

$746

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Sat 11/21

5:30 am-2:06 pm

2 stops8h 36m

Baltimore/Washington

Sun 11/22

6:10 am-2:47 pm

2 stops8h 37m

$766

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Sat 9/12

10:05 am-6:22 pm

2 stops8h 17m

Baltimore/Washington

Sat 9/19

6:05 am-9:40 pm

2 stops15h 35m

$828

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Sat 11/21

6:40 am-11:22 am

3 stops28h 42m

Baltimore/Washington

Sun 11/22

6:55 pm-5:35 am

2 stops34h 40m

$1,870

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 23 resultsSorted by cheapest first

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 FlightHub the most. FlightHub 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.

YXU-WAS

YXU-IAD

YXU-BWI

YXU-DCA

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.

YXU-WAS

YXU-IAD

YXU-BWI

YXU-DCA

No data available for this route at this time. Please check back soon.

Related info for your journey

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.
How long is the flight from London, Ontario to Washington, D.C.?
Departing from London, Ontario to Washington, D.C. will take you 8h 42m. London, Ontario and Washington, D.C. are separated by a distance of 341 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 - Baltimore/Washington. You may also consider London - Washington, D.C. Reagan-National or London - Washington, D.C. Dulles Intl.
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.

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$321+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London to Washington, D.C. with Cheapflights

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Cheap 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 August 26, 2026.

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 August 26, 2026.

Best flights from London to Washington, D.C.Discover carefully curated flight deals from London to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Discover carefully curated flight deals from London to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from London to Washington, D.C.Discover last-minute flight deals from London to Washington, D.C.. Data last updated August 26, 2026 and is based on user searches.

Discover last-minute flight deals from London to Washington, D.C.. Data last updated August 26, 2026 and is based on user searches.

One-way flights from London to Washington, D.C.Search for one-way flight options from London to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Search for one-way flight options from London to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Find flight deals from London to Washington, D.C.

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Round-trip from

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Use the filters below to find and compare flights from London to Washington, D.C. that are best for you.

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.

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Related info for your journey

What airport do you fly from for flights from London to Washington, D.C.?

How long is the flight from London, Ontario to Washington, D.C.?

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

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

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

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

Traveling to a place near Washington, D.C.?

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Alternative routes for London to Washington, D.C.

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Complete your trip

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Search flights from London to Washington, D.C. by cabin class

Find flights from London to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Washington, D.C. flights

Browse other London and Washington, D.C. flight options. Last updated on August 26, 2026.

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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 August 26, 2026.

Best flights from London to Washington, D.C.
Discover carefully curated flight deals from London to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from London to Washington, D.C.
Discover last-minute flight deals from London to Washington, D.C.. Data last updated August 26, 2026 and is based on user searches.

One-way flights from London to Washington, D.C.
Search for one-way flight options from London to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.