C$ 568+ Flights from Washington to London, ON | Cheapflights

Cheap flight deals from Washington to London

Round-trip from	C$ 568

7/4-14/4

7/4-14/4
5 total stops
53h 40m total
Washington to London

Find flight deals from Washington to London

Cheapest flights from Washington to London
Explore the most affordable flight options available from Washington to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Mon 7/48:04 p.m.SEA - YXU

2 stops20h 09mMultiple Airlines

Mon 14/412:20 p.m.YXU - SEA

3 stops33h 31mMultiple Airlines

Deal found 21/2C$ 568

Sat 31/57:05 a.m.SEA - YXU

1 stop9h 04mWestJet

Sat 7/66:00 a.m.YXU - SEA

1 stop9h 58mWestJet

Deal found 21/2C$ 650

Thu 10/47:05 p.m.SEA - YXU

2 stops11h 08mAir Canada

Wed 16/43:25 p.m.YXU - SEA

1 stop9h 01mAir Canada

Deal found 20/2C$ 715

Sat 31/55:14 p.m.SEA - YXU

2 stops13h 04mUnited Airlines

Sat 7/69:55 a.m.YXU - SEA

3 stops14h 16mUnited Airlines

Deal found 21/2C$ 832

Best flights from Washington to London
Discover carefully curated flight deals from Washington to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 February 2025.

Mon 7/48:04 p.m.SEA - YXU

2 stops20h 09mMultiple Airlines

Mon 14/412:20 p.m.YXU - SEA

3 stops33h 31mMultiple Airlines

Deal found 21/2C$ 568

Sat 31/57:05 a.m.SEA - YXU

1 stop9h 04mWestJet

Sat 7/66:00 a.m.YXU - SEA

1 stop9h 58mWestJet

Deal found 21/2C$ 650

Thu 10/47:05 p.m.SEA - YXU

2 stops11h 08mAir Canada

Wed 16/43:25 p.m.YXU - SEA

1 stop9h 01mAir Canada

Deal found 20/2C$ 715

Sat 31/55:14 p.m.SEA - YXU

2 stops13h 04mUnited Airlines

Sat 7/69:55 a.m.YXU - SEA

3 stops14h 16mUnited Airlines

Deal found 21/2C$ 832

One-way flights from Washington to London
Search for one-way flight options from Washington to London. Find affordable one-way fares based on user searches. Data last updated 22 February 2025.

Thu 31/73:39 p.m.SEA - YXU

2 stops10h 35mWestJet

Deal found 22/2C$ 926

Thu 31/77:35 p.m.SEA - YXU

1 stop6h 39mDelta

Deal found 20/2C$ 1,072

Wed 30/712:30 a.m.SEA - YXU

2 stops11h 27mUnited Airlines

Deal found 20/2C$ 1,309

Find flights from Washington to London within your budget

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Mon 7/4

8:04 p.m.-7:13 p.m.

2 stops20h 09m

London

Mon 14/4

12:20 p.m.-6:51 p.m.

3 stops33h 31m

C$ 568

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Sat 31/5

7:05 a.m.-7:09 p.m.

1 stop9h 04m

London

Sat 7/6

6:00 a.m.-12:58 p.m.

1 stop9h 58m

C$ 650

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Thu 10/4

7:05 p.m.-9:13 a.m.

2 stops11h 08m

London

Wed 16/4

3:25 p.m.-9:26 p.m.

1 stop9h 01m

C$ 715

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Sat 31/5

5:14 p.m.-9:18 a.m.

2 stops13h 04m

London

Sat 7/6

9:55 a.m.-9:11 p.m.

3 stops14h 16m

C$ 832

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Thu 31/7

3:39 p.m.-5:14 a.m.

2 stops10h 35m

C$ 926

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Thu 31/7

7:35 p.m.-5:14 a.m.

1 stop6h 39m

C$ 1,072

SeattleLondon

SEA - YXU

SEAYXU

Seattle/Tacoma Intl

Wed 30/7

12:30 a.m.-2:57 p.m.

2 stops11h 27m

C$ 1,309

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/2

Best time to book a flight from Washington to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington 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.

Travel insights for flights from Washington to London

Get recent, data-driven insights about flights from Washington to London including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from State of Washington to London, Ontario (average of C$ 243). Flying from State of Washington to London, Ontario in April is currently the most expensive (average of C$ 496). 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.

Rainfall in London by month

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, Ontario, 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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing London

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0

Very good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.2

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.0

Good

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly into for flights to London from Washington?
For a flight from Washington to London, you will be flying into London. London (YXU) is just 8.6 km from the centre of the city.
What are the cheapest airlines to fly from State of Washington to London, Ontario one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 926. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from State of Washington to London, Ontario for a low price.
Can I find deals for flights from Washington to London that include hotel bookings?
Yes. In addition to deals on Washington to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to London.
Can I find deals for business class flights from Washington to London?
Yes. Cheapflights offers flight deals from Washington to London 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 State of Washington to London, Ontario?
Currently, October is the cheapest month in which you can book a flight from State of Washington to London, Ontario (average of C$ 243). Flying from State of Washington to London, Ontario in April is currently the most expensive (average of C$ 496). 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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Complete your trip

London, Ontario car rentals

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