How long is the flight from London, Ontario to State of Washington?

For as low as C$ 509, WestJet can have you in State of Washington from London, Ontario in 15h 35m. The distance between London, Ontario and State of Washington is about 3219 km.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

If weather is an important factor for your trip to State of Washington, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from London, Ontario to State of Washington?

The most popular flight routes from London, Ontario to State of Washington are London - Seattle/Tacoma Intl, London - Portland and London - Wenatchee Pangborn Field.

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

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

What airport do you fly from for flights from London to Washington?

Most people fly from London (YXU) if they book a flight from London to Washington. London is conveniently located just 8.6 km from London’s city centre.

Can I find deals for flights from London to Washington that include hotel bookings?

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

How can I find direct flights from London to Washington?

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

Can I find deals for business class flights from London to Washington?

Yes. Cheapflights offers flight deals from London to Washington 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$ 509+ Cheap Flights from London, ON to Washington

Cheap flight deals from London to Washington

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from London to Washington
Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Wed 21/106:10 a.m. -

1 stop15h 35m

Thu 22/107:35 p.m. -

1 stop6h 45m

Deal found 27/9C$ 509

Sun 25/106:10 a.m. -

2 stops27h 58m

Tue 17/115:58 p.m. -

1 stop8h 37m

Deal found 30/9C$ 824

Fri 23/106:10 a.m. -

1 stop15h 35m

Tue 17/112:30 p.m. -

1 stop12h 05m

Deal found 30/9C$ 831

Sat 24/106:10 a.m. -

2 stops12h 54m

Wed 18/115:58 p.m. -

1 stop8h 37m

Deal found 30/9C$ 850

Wed 21/106:10 a.m. -

2 stops29h 10m

Tue 17/115:58 p.m. -

1 stop8h 37m

Deal found 30/9C$ 861

Sun 25/106:10 a.m. -

2 stops27h 58m

Mon 16/115:58 p.m. -

1 stop8h 37m

Deal found 30/9C$ 880

Thu 22/103:30 p.m. -

1 stop8h 34m

Mon 16/1110:10 a.m. -

2 stops8h 42m

Deal found 30/9C$ 887

Tue 20/106:10 a.m. -

2 stops27h 58m

Tue 17/115:58 p.m. -

1 stop8h 37m

Deal found 30/9C$ 891

Sat 24/106:10 a.m. -

1 stop15h 35m

Thu 19/112:30 p.m. -

1 stop12h 05m

Deal found 30/9C$ 901

Wed 21/106:10 a.m. -

1 stop15h 35m

Mon 16/112:30 p.m. -

1 stop12h 05m

Deal found 30/9C$ 904

Find flight deals from London to Washington

Round-trip from	C$ 509

WestJet
21/10-22/10
2 total stops
22h 20m total
London to Washington

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Wed 21/10

6:10 a.m.-6:45 p.m.

1 stop15h 35m

Seattle/Tacoma Intl

Thu 22/10

7:35 p.m.-5:20 a.m.

1 stop6h 45m

C$ 509

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Sun 25/10

6:10 a.m.-7:08 a.m.

2 stops27h 58m

Seattle/Tacoma Intl

Mon 16/11

5:58 p.m.-5:35 a.m.

1 stop8h 37m

C$ 880

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Thu 12/11

5:30 a.m.-2:37 p.m.

2 stops12h 07m

Seattle/Tacoma Intl

Sat 14/11

7:05 p.m.-2:42 p.m.

2 stops16h 37m

C$ 908

Quickest round-trip

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Wed 21/10

3:30 p.m.-9:04 p.m.

1 stop8h 34m

Seattle/Tacoma Intl

Thu 22/10

5:50 a.m.-7:40 p.m.

2 stops10h 50m

C$ 968

LondonSeattle

YXU London - SEA Seattle/Tacoma Intl

YXUSEA

London

Thu 12/11

5:30 a.m.-8:47 p.m.

3 stops18h 17m

Seattle/Tacoma Intl

Sat 14/11

10:56 p.m.-2:42 p.m.

2 stops12h 46m

C$ 1,121

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/9

Sorted by cheapest first

Best time to book a flight from London to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from London with our price prediction graph.

YXU-SEA

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

YXU-USWA

YXU-SEA

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?
Most people fly from London (YXU) if they book a flight from London to Washington. London is conveniently located just 8.6 km from London’s city centre.
How long is the flight from London, Ontario to State of Washington?
For as low as C$ 509, WestJet can have you in State of Washington from London, Ontario in 15h 35m. The distance between London, Ontario and State of Washington is about 3219 km.
What are the most popular routes from London, Ontario to State of Washington?
The most popular flight routes from London, Ontario to State of Washington are London - Seattle/Tacoma Intl, London - Portland and London - Wenatchee Pangborn Field.
Can I find deals for flights from London to Washington that include hotel bookings?
Yes. In addition to deals on London to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Washington.
Can I find deals for business class flights from London to Washington?
Yes. Cheapflights offers flight deals from London to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for London to Washington

Toronto Island to Newark flights

Pearson Intl to Newark flights

Pearson Intl to John F Kennedy Intl flights

Toronto Island to LaGuardia flights

Pearson Intl to Fort Lauderdale flights

Pierre Elliott Trudeau Intl to Fort Lauderdale flights

Pearson Intl to LaGuardia flights

Pierre Elliott Trudeau Intl to LaGuardia flights

Pierre Elliott Trudeau Intl to Miami flights

Toronto Island to John F Kennedy Intl flights

Pearson Intl to Orlando flights

Pearson Intl to Miami flights

Pearson Intl to Dallas/Fort Worth flights

Pearson Intl to Hobby flights

Pearson Intl to O'Hare Intl flights

Pierre Elliott Trudeau Intl to John F Kennedy Intl flights

Pearson Intl to Las Vegas flights

Toronto Island to Fort Lauderdale flights

Toronto Island to Orlando flights

Pierre Elliott Trudeau Intl to Newark flights

Hamilton to Newark flights

Pearson Intl to George Bush Intcntl flights

Pierre Elliott Trudeau Intl to Los Angeles flights

Pearson Intl to Los Angeles flights

Pearson Intl to Seattle flights

Pearson Intl to Reagan-National flights

Toronto Island to Miami flights

Pearson Intl to Tampa flights

Pierre Elliott Trudeau Intl to Orlando flights

Pearson Intl to San Francisco flights

Pierre Elliott Trudeau Intl to Boston flights

Hamilton to Fort Lauderdale flights

Pearson Intl to Atlanta flights

Ottawa to Fort Lauderdale flights

Pearson Intl to Dulles Intl flights

Pierre Elliott Trudeau Intl to O'Hare Intl flights

Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights

Pearson Intl to Nashville flights

Hamilton to John F Kennedy Intl flights

Pearson Intl to Midway flights

Pearson Intl to Fort Myers flights

Toronto Island to Boston flights

Pearson Intl to Boston flights

Toronto Island to Dulles Intl flights

Pearson Intl to Sky Harbor Intl flights

Hamilton to Orlando flights

Pearson Intl to Ontario flights

Toronto Island to O'Hare Intl flights

Pierre Elliott Trudeau Intl to Las Vegas flights

Pearson Intl to San Diego flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Washington?

Deals for London to Washington flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Washington?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Washington for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Washington with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Washington, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Washington become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London, ON to Washington from C$ 509

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Washington

Cheapest flights from London to WashingtonExplore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from London to WashingtonDiscover carefully curated flight deals from London to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from London to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from London to WashingtonDiscover last-minute flight deals from London to Washington. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Washington. Data last updated 30 September 2026 and is based on user searches.

Find flight deals from London to Washington

Round-trip from

Cheapflights Fare Finder

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

Best time to book a flight from London to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from London with our price prediction graph.

Cheapflights Insights

Related info for your journey

What airport do you fly from for flights from London to Washington?

How long is the flight from London, Ontario to State of Washington?

What are the most popular routes from London, Ontario to State of Washington?

Can I find deals for flights from London to Washington that include hotel bookings?

How can I find direct flights from London to Washington?

Can I find deals for business class flights from London to Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from London to Washington by cabin class

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

London and Washington flights

Browse other London and Washington flight options. Last updated on 30 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Washington flights

Consider these flights travelling from London to Washington.

Fly with Cheapflights

How does Cheapflights help users find flights from London to Washington?

Why should you use Cheapflights to find cheap flight tickets from London to Washington?

Can Cheapflights find flights from London to Washington with no change fees?

Can Cheapflights notify me if prices for flights from London to Washington become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Washington
Explore the most affordable flight options available from London to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from London to Washington
Discover carefully curated flight deals from London to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from London to Washington
Discover last-minute flight deals from London to Washington. Data last updated 30 September 2026 and is based on user searches.