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$132+ Cheap flights from London, ON (YXU) to Washington

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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from London to Washington

Keep the following information in mind while searching for London to Washington flight deals. Data was last updated June 12, 2025.

Round-trip from

$241
(Trip.com)

One-way from

$132
(Trip.com)
From London to Washington
Search Deals
One-way flight from London to Washington
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Find flight deals from London to Washington

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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 amYXU - SEA
1 stop9h 59mWestJet
Sat 10/117:05 amSEA - YXU
1 stop9h 02mWestJet
Deal found 6/10$241
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/305:45 pmYXU - PDX
2 stops18h 57mUnited Airlines
Wed 8/1311:20 pmPDX - YXU
2 stops12h 37mUnited Airlines
Deal found 6/11$276
This Air Canada deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:15 amYXU - SEA
1 stop7h 44mAir Canada
Sat 10/117:15 amSEA - YXU
2 stops11h 12mAir Canada
Deal found 6/10$286
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:15 amYXU - SEA
1 stop7h 45mUnited Airlines
Tue 7/1511:48 pmSEA - YXU
2 stops12h 14mUnited Airlines
Deal found 6/10$320
This United deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:55 amYXU - SEA
3 stops16h 20mMultiple Airlines
Sat 10/117:15 amSEA - YXU
2 stops11h 12mMultiple Airlines
Deal found 6/10$346
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:45 pmYXU - PDX
2 stops18h 20mMultiple Airlines
Mon 8/181:45 pmPDX - YXU
1 stop12h 29mMultiple Airlines
Deal found 6/11$391
This SmartFares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:00 amYXU - PDX
1 stop10h 05mWestJet
Mon 8/181:45 pmPDX - YXU
1 stop12h 29mWestJet
Deal found 6/11$407
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:00 amYXU - PDX
1 stop10h 05mDelta
Wed 8/135:45 pmPDX - YXU
2 stops8h 29mDelta
Deal found 6/11$575

Cheapflights Fare Finder

Customize your flight search to find flights from London to Washington 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from London to Washington that are best for you.

Fly from

London

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

YXU - SEA

YXUSEA

London

Fri 10/3

6:00 am-12:59 pm

1 stop9h 59m

Seattle/Tacoma Intl

Sat 10/11

7:05 am-7:07 pm

1 stop9h 02m

$241

LondonPortland

YXU - PDX

YXUPDX

London

Wed 7/30

5:45 pm-9:42 am

2 stops18h 57m

Portland

Wed 8/13

11:20 pm-2:57 pm

2 stops12h 37m

$276

LondonSeattle

YXU - SEA

YXUSEA

London

Fri 10/3

6:15 am-10:59 am

1 stop7h 44m

Seattle/Tacoma Intl

Sat 10/11

7:15 am-9:27 pm

2 stops11h 12m

$286

LondonSeattle

YXU - SEA

YXUSEA

London

Tue 7/8

6:15 am-11:00 am

1 stop7h 45m

Seattle/Tacoma Intl

Tue 7/15

11:48 pm-3:02 pm

2 stops12h 14m

$320

LondonSeattle

YXU - SEA

YXUSEA

London

Fri 10/3

9:55 am-11:15 pm

3 stops16h 20m

Seattle/Tacoma Intl

Sat 10/11

7:15 am-9:27 pm

2 stops11h 12m

$346

LondonPortland

YXU - PDX

YXUPDX

London

Mon 8/11

9:45 pm-1:05 pm

2 stops18h 20m

Portland

Mon 8/18

1:45 pm-5:14 am

1 stop12h 29m

$391

LondonPortland

YXU - PDX

YXUPDX

London

Mon 8/11

6:00 am-1:05 pm

1 stop10h 05m

Portland

Mon 8/18

1:45 pm-5:14 am

1 stop12h 29m

$407

LondonPortland

YXU - PDX

YXUPDX

London

Wed 7/30

6:00 am-1:05 pm

1 stop10h 05m

Portland

Wed 8/13

5:45 pm-5:14 am

2 stops8h 29m

$575

LondonSeattle

YXU - SEA

YXUSEA

London

Fri 7/25

6:00 am-12:58 pm

1 stop9h 58m

$132

LondonSeattle

YXU - SEA

YXUSEA

London

Fri 7/25

9:45 pm-4:09 pm

2 stops21h 24m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.
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

What is the cheapest month to book a flight from London, Ontario to State of Washington?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to State of Washington (average of $238). Flying from London, Ontario to State of Washington in July is currently the most expensive (average of $391). 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.

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

Find hourly flight availability from London to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from London to Washington, such as Delta, United Airlines and WestJet. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from London to Washington. 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?

    For a flight from London to Washington, you will be flying from London. London (YXU) is just 5.3 mi from the center of the city.

  • 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.

  • What is the cheapest month to book a flight from London, Ontario to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to State of Washington (average of $238). Flying from London, Ontario to State of Washington in July is currently the most expensive (average of $391). 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

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