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

Departing from London, Ontario to Washington, D.C. will take you 5h 56m. 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 - Washington, D.C. Reagan-National. You may also consider London - Baltimore/Washington 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.

$188+ Flights from London, ON to Washington, D.C.

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

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 December 18, 2025.

Sun 1/259:50 amYXU - IAD

1 stop5h 56mAir Canada

Thu 1/294:30 pmIAD - YXU

1 stop4h 51mAir Canada

Deal found 12/15

$475

Sun 1/255:10 amYXU - BWI

2 stops9h 01mUnited Airlines

Thu 1/2910:05 amBWI - YXU

2 stops11h 16mUnited Airlines

Deal found 12/15

$653

Sun 1/255:10 amYXU - DCA

2 stops7h 09mAir Canada

Thu 1/2911:05 amDCA - YXU

2 stops10h 16mAir Canada

Deal found 12/14

$478

Last-minute flights from London to Washington, D.C.
Discover last-minute flight deals from London to Washington, D.C.. Data last updated December 18, 2025 and is based on user searches.

Sun 1/259:50 amYXU - IAD

1 stop5h 56mAir Canada

Thu 1/294:30 pmIAD - YXU

1 stop4h 51mAir Canada

Deal found 12/15

$475

Sun 1/255:10 amYXU - DCA

2 stops7h 09mAir Canada

Thu 1/2911:05 amDCA - YXU

2 stops10h 16mAir Canada

Deal found 12/15

$478

Sun 1/255:10 amYXU - BWI

2 stops9h 01mUnited Airlines

Thu 1/2910:05 amBWI - YXU

2 stops11h 16mUnited Airlines

Deal found 12/15

$653

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 December 18, 2025.

Fri 1/307:30 amYXU - IAD

3 stops27h 14mMultiple Airlines

Deal found 12/15

$188

Fri 1/307:30 amYXU - BWI

3 stops41h 06mMultiple Airlines

Deal found 12/15

$200

Fri 1/307:30 amYXU - DCA

3 stops38h 29mMultiple Airlines

Deal found 12/15

$220

Fri 1/305:40 pmYXU - DCA

1 stop4h 55mAir Canada

Deal found 12/15

$258

Fri 1/309:50 amYXU - IAD

1 stop5h 56mAir Canada

Deal found 12/15

$258

Sat 1/315:10 amYXU - DCA

1 stop3h 45mAir Canada

Deal found 12/17

$262

Sat 1/319:50 amYXU - IAD

1 stop5h 56mAir Canada

Deal found 12/17

$262

Sat 1/315:10 amYXU - DCA

1 stop3h 45mUnited Airlines

Deal found 12/17

$292

Sat 1/319:50 amYXU - IAD

1 stop5h 56mUnited Airlines

Deal found 12/17

$292

Fri 1/305:10 amYXU - DCA

2 stops17h 38mUnited Airlines

Deal found 12/15

$294

Fri 1/305:10 amYXU - IAD

2 stops12h 25mUnited Airlines

Deal found 12/15

$294

Sat 1/315:10 amYXU - BWI

2 stops16h 11mUnited Airlines

Deal found 12/17

$354

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$475 (Air Canada)
One-way from	$188 (Kiwi.com)

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

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 1/25

9:50 am-3:46 pm

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 1/29

4:30 pm-9:21 pm

1 stop4h 51m

$475

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 1/25

5:10 am-12:19 pm

2 stops7h 09m

Washington, D.C. Reagan-National

Thu 1/29

11:05 am-9:21 pm

2 stops10h 16m

$478

LondonBaltimore

YXU - BWI

YXUBWI

London

Sun 1/25

5:10 am-2:11 pm

2 stops9h 01m

Baltimore/Washington

Thu 1/29

10:05 am-9:21 pm

2 stops11h 16m

$653

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Fri 1/30

7:30 am-10:44 am

3 stops27h 14m

$188

LondonBaltimore

YXU - BWI

YXUBWI

London

Fri 1/30

7:30 am-12:36 am

3 stops41h 06m

$200

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 1/30

7:30 am-9:59 pm

3 stops38h 29m

$220

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Fri 1/30

5:40 pm-10:35 pm

1 stop4h 55m

$258

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Fri 1/30

9:50 am-3:46 pm

1 stop5h 56m

$258

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 1/31

5:10 am-8:55 am

1 stop3h 45m

$262

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sat 1/31

9:50 am-3:46 pm

1 stop5h 56m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results

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.

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, February is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. (average of $131). Flying from London, Ontario to Washington, D.C. in January is currently the most expensive (average of $197). 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.

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 5h 56m. 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 - Washington, D.C. Reagan-National. You may also consider London - Baltimore/Washington 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.
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 $131). Flying from London, Ontario to Washington, D.C. in January is currently the most expensive (average of $197). 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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Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

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$188+ 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 1/30. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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 December 18, 2025.

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 December 18, 2025.

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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.

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.?

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.?

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.?

What is the cheapest month to book a flight from London, Ontario 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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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 December 18, 2025.