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

Air Canada and United Airlines can get you from London, Ontario to Washington, D.C. in just under 8h 42m. Your travel time can differ by up to 7h 28m. The distance from London, Ontario to Washington, D.C. is about 549 km. This flight may include one or multiple stops.

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.

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).

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 - Washington, D.C. Reagan-National, London - Washington, D.C. Dulles Intl or London - Baltimore/Washington as they are the most popular.

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.

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 8.6 km from London’s city centre.

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.

C$ 444+ Cheap Flights from London, ON to Washington, D.C.

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

Enter your travel dates to find the best prices.

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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 26 August 2026.

Wed 23/95:40 a.m. -

1 stop8h 42m

Fri 25/99:55 a.m. -

1 stop4h 55m

Deal found 25/8C$ 768

Tue 20/103:30 p.m. -

1 stop4h 55m

Sat 24/109:55 a.m. -

1 stop4h 55m

Deal found 25/8C$ 942

Fri 20/113:25 p.m. -

1 stop4h 33m

Sun 22/119:40 a.m. -

1 stop5h 07m

Deal found 22/8C$ 948

Wed 21/106:20 p.m. -

2 stops16h 10m

Sat 24/106:25 a.m. -

2 stops15h 15m

Deal found 25/8C$ 1,033

Sat 21/113:25 p.m. -

2 stops9h 05m

Sun 22/119:55 a.m. -

1 stop4h 52m

Deal found 22/8C$ 1,043

Fri 9/105:40 a.m. -

2 stops17h 19m

Fri 16/106:25 a.m. -

2 stops15h 15m

Deal found 25/8C$ 1,086

Fri 20/113:25 p.m. -

1 stop4h 45m

Sun 22/111:19 p.m. -

2 stops8h 33m

Deal found 22/8C$ 1,090

Fri 20/113:25 p.m. -

1 stop4h 33m

Sun 22/1112:55 p.m. -

2 stops8h 57m

Deal found 22/8C$ 1,095

Sat 12/910:05 a.m. -

2 stops8h 17m

Sat 19/96:05 a.m. -

2 stops15h 35m

Deal found 22/8C$ 1,146

Tue 1/96:20 p.m. -

1 stop4h 11m

Tue 8/911:00 a.m. -

1 stop3h 50m

Deal found 25/8C$ 1,487

Sat 21/116:40 a.m. -

3 stops28h 42m

Sun 22/116:55 p.m. -

2 stops34h 40m

Deal found 22/8C$ 2,589

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

Round-trip from	C$ 768
One-way from	C$ 444

Air Canada
23/9-25/9
2 total stops
13h 37m total
London to Washington, D.C.

Search Deals

Air Canada
10/10
1 total stop
4h 14m total
London to Washington, D.C.

Search Deals

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 23/9

5:40 a.m.-2:22 p.m.

1 stop8h 42m

Washington, D.C. Dulles Intl

Fri 25/9

9:55 a.m.-2:50 p.m.

1 stop4h 55m

C$ 768

Quickest round-trip

LondonWashington, D.C.

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

YXUDCA

London

Sat 20/2

3:20 p.m.-7:58 p.m.

1 stop4h 38m

Washington, D.C. Reagan-National

Wed 24/2

9:40 a.m.-2:42 p.m.

1 stop5h 02m

C$ 942

LondonWashington, D.C.

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

YXUIAD

London

Tue 20/10

3:30 p.m.-8:25 p.m.

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 24/10

9:55 a.m.-2:50 p.m.

1 stop4h 55m

C$ 942

LondonWashington, D.C.

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

YXUDCA

London

Sat 21/11

3:25 p.m.-7:58 p.m.

1 stop4h 33m

Washington, D.C. Reagan-National

Sun 22/11

9:40 a.m.-2:47 p.m.

1 stop5h 07m

C$ 948

LondonWashington, D.C.

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

YXUDCA

London

Fri 20/11

3:25 p.m.-7:58 p.m.

1 stop4h 33m

Washington, D.C. Reagan-National

Sun 22/11

9:40 a.m.-2:47 p.m.

1 stop5h 07m

C$ 948

LondonWashington, D.C.

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

YXUIAD

London

Sat 21/11

3:25 p.m.-8:10 p.m.

1 stop4h 45m

Washington, D.C. Dulles Intl

Sun 22/11

4:30 p.m.-9:52 p.m.

1 stop5h 22m

C$ 948

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Wed 21/10

6:20 p.m.-10:30 a.m.

2 stops16h 10m

Baltimore/Washington

Sat 24/10

6:25 a.m.-9:40 p.m.

2 stops15h 15m

C$ 1,033

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Sat 21/11

5:30 a.m.-2:06 p.m.

2 stops8h 36m

Baltimore/Washington

Sun 22/11

6:10 a.m.-2:47 p.m.

2 stops8h 37m

C$ 1,061

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Fri 20/11

5:30 a.m.-2:06 p.m.

2 stops8h 36m

Baltimore/Washington

Sun 22/11

6:10 a.m.-2:47 p.m.

2 stops8h 37m

C$ 1,061

LondonBaltimore

YXU London - BWI Baltimore/Washington

YXUBWI

London

Sat 12/9

10:05 a.m.-6:22 p.m.

2 stops8h 17m

Baltimore/Washington

Sat 19/9

6:05 a.m.-9:40 p.m.

2 stops15h 35m

C$ 1,146

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/8

Showing 1-10 of 24 resultsSorted by cheapest first

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-DCA

YXU-BWI

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-DCA

YXU-BWI

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 8.6 km from London’s city centre.
How long is the flight from London, Ontario to Washington, D.C.?
Air Canada and United Airlines can get you from London, Ontario to Washington, D.C. in just under 8h 42m. Your travel time can differ by up to 7h 28m. The distance from London, Ontario to Washington, D.C. is about 549 km. This flight may include one or multiple stops.
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 - Washington, D.C. Reagan-National, London - Washington, D.C. Dulles Intl or London - Baltimore/Washington 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.

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

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Cheap flights from London, ON to Washington, D.C. from C$ 444

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.

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 26 August 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 26 August 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 26 August 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 26 August 2026.

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

Discover last-minute flight deals from London to Washington, D.C.. Data last updated 26 August 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 26 August 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 26 August 2026.

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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.?

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

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Alternative routes for London to Washington, D.C.

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London and Washington, D.C. flights

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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 26 August 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 26 August 2026.

Last-minute flights from London to Washington, D.C.
Discover last-minute flight deals from London to Washington, D.C.. Data last updated 26 August 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 26 August 2026.