What airlines fly to State of Washington?

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to State of Washington from London, Ontario according to our data. Alaska Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Washington?

Air Canada, WestJet, and United Airlines are the most popular carriers operating from London to Washington

When did momondo last update prices for flights from London Airport to Washington?

Prices for flights from London Airport to Washington were last updated today.

How old do you have to be to fly from London Airport to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$245 Cheap Flights from London to Washington in 2025/26

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Cheap round-trip flights

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8:10 pm - 2:20 pmYXU-SEA

21h 10m1 stop

3:10 pm - 6:34 amSEA-YXU

12h 24m1 stop

$530WestJet

Find Deal

Wed, Dec 17 - Wed, Dec 24

9:25 am - 10:16 pmYXU-SEA

15h 51m1 stop

8:00 pm - 5:05 pmSEA-YXU

18h 05m2 stops

$540Air Canada

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Wed, Dec 17 - Wed, Dec 24

5:10 am - 3:03 pmYXU-SEA

12h 53m2 stops

5:50 am - 9:18 pmSEA-YXU

12h 28m2 stops

$547Air Canada

Find Deal

Tue, Apr 28 - Wed, Apr 29

8:10 pm - 4:46 pmYXU-SEA

23h 36m2 stops

3:10 pm - 6:34 amSEA-YXU

12h 24m1 stop

$569WestJet

Find Deal

Thu, Dec 11 - Thu, Dec 18

9:25 am - 9:51 pmYXU-SEA

15h 26m1 stop

8:00 pm - 8:43 amSEA-YXU

9h 43m2 stops

$582Air Canada

Find Deal

Tue, Apr 28 - Wed, Apr 29

5:10 am - 2:40 pmYXU-PDX

12h 30m2 stops

7:00 pm - 8:46 amPDX-YXU

10h 46m2 stops

$592Air Canada

Find Deal

Sun, Feb 22 - Thu, Feb 26

5:10 am - 2:40 pmYXU-PDX

12h 30m2 stops

7:00 pm - 8:46 amPDX-YXU

10h 46m2 stops

$600Air Canada

Find Deal

Sun, Feb 22 - Thu, Feb 26

9:25 am - 10:18 pmYXU-SEA

15h 53m3 stops

7:00 am - 9:18 pmSEA-YXU

11h 18m2 stops

$612United Airlines

Find Deal

Tue, Apr 28 - Wed, Apr 29

9:25 am - 10:16 pmYXU-SEA

15h 51m1 stop

1:35 pm - 5:05 pmSEA-YXU

24h 30m3 stops

$623United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 24

5:10 am - 9:46 pmYXU-SEA

19h 36m2 stops

5:02 am - 8:46 amSEA-YXU

24h 44m2 stops

$663United Airlines

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Thu, Dec 11 - Thu, Dec 18

WestJet flights from London, Ontario to State of Washington

Our best WestJet deals on London, Ontario to State of Washington flight tickets

WestJet

Dec 17

YXU8:10 pmLondon

21h 10m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

Dec 24

SEA3:10 pmSeattle/Tacoma Intl

12h 24m

1 stop

YXU6:34 amLondon

$530

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WestJet

Dec 11

YXU8:10 pmLondon

23h 36m

2 stops

SEA4:46 pmSeattle/Tacoma Intl

Dec 18

SEA3:10 pmSeattle/Tacoma Intl

12h 24m

1 stop

YXU6:34 amLondon

$569

Find similar

WestJet

Dec 11

YXU8:10 pmLondon

17h 12m

3 stops

SEA10:22 amSeattle/Tacoma Intl

Dec 18

SEA9:32 amSeattle/Tacoma Intl

18h 02m

3 stops

YXU6:34 amLondon

$884

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Air Canada flights from London, Ontario to State of Washington

Our best Air Canada deals on London, Ontario to State of Washington flight tickets

Air Canada

Dec 17

YXU9:25 amLondon

15h 51m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

Dec 24

SEA8:00 pmSeattle/Tacoma Intl

18h 05m

2 stops

YXU5:05 pmLondon

$540

Find similar

Air Canada

Apr 28

YXU5:10 amLondon

12h 53m

2 stops

SEA3:03 pmSeattle/Tacoma Intl

Apr 29

SEA5:50 amSeattle/Tacoma Intl

12h 28m

2 stops

YXU9:18 pmLondon

$547

Find similar

Air Canada

Apr 28

YXU9:25 amLondon

15h 26m

1 stop

SEA9:51 pmSeattle/Tacoma Intl

Apr 29

SEA8:00 pmSeattle/Tacoma Intl

9h 43m

2 stops

YXU8:43 amLondon

$582

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momondo Fare Finder

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

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Route

Depart

Return

Price

LondonSeattle

YXU - SEA

YXUSEA

London

Wed 12/17

8:10 pm-2:20 pm

1 stop21h 10m

Seattle/Tacoma Intl

Wed 12/24

3:10 pm-6:34 am

1 stop12h 24m

$530

LondonSeattle

YXU - SEA

YXUSEA

London

Wed 12/17

9:25 am-10:16 pm

1 stop15h 51m

Seattle/Tacoma Intl

Wed 12/24

8:00 pm-5:05 pm

2 stops18h 05m

$540

LondonSeattle

YXU - SEA

YXUSEA

London

Tue 4/28

5:10 am-3:03 pm

2 stops12h 53m

Seattle/Tacoma Intl

Wed 4/29

5:50 am-9:18 pm

2 stops12h 28m

$547

LondonSeattle

YXU - SEA

YXUSEA

London

Thu 12/11

8:10 pm-4:46 pm

2 stops23h 36m

Seattle/Tacoma Intl

Thu 12/18

3:10 pm-6:34 am

1 stop12h 24m

$569

LondonSeattle

YXU - SEA

YXUSEA

London

Tue 4/28

9:25 am-9:51 pm

1 stop15h 26m

Seattle/Tacoma Intl

Wed 4/29

8:00 pm-8:43 am

2 stops9h 43m

$582

LondonPortland

YXU - PDX

YXUPDX

London

Sun 2/22

5:10 am-2:40 pm

2 stops12h 30m

Portland

Thu 2/26

7:00 pm-8:46 am

2 stops10h 46m

$592

LondonPortland

YXU - PDX

YXUPDX

London

Sun 2/22

5:10 am-2:40 pm

2 stops12h 30m

Portland

Thu 2/26

7:00 pm-8:46 am

2 stops10h 46m

$600

LondonSeattle

YXU - SEA

YXUSEA

London

Tue 4/28

9:25 am-10:18 pm

3 stops15h 53m

Seattle/Tacoma Intl

Wed 4/29

7:00 am-9:18 pm

2 stops11h 18m

$612

LondonSeattle

YXU - SEA

YXUSEA

London

Wed 12/17

9:25 am-10:16 pm

1 stop15h 51m

Seattle/Tacoma Intl

Wed 12/24

1:35 pm-5:05 pm

3 stops24h 30m

$623

LondonSeattle

YXU - SEA

YXUSEA

London

Thu 12/11

5:10 am-9:46 pm

2 stops19h 36m

Seattle/Tacoma Intl

Thu 12/18

5:02 am-8:46 am

2 stops24h 44m

$663

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from London, Ontario to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from London, Ontario to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $316. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London, Ontario to State of Washington for around $449.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $330. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $477 on average. Flights to State of Washington from London, Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap London, Ontario to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to State of Washington

Direct flights	None

There are no direct flights from London, Ontario to State of Washington. There are no popular flight routes from London, Ontario to State of Washington.

Search flight deals

When did momondo last update prices for flights from London Airport to Washington?
Prices for flights from London Airport to Washington were last updated today.
How old do you have to be to fly from London Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington?

Finding the right flight to Washington from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

Can I find flights from London to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Washington?

Once you have performed a search for London to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Washington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your State of Washington trip

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Cheap flights from London, Ontario to Washington from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Washington departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

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WestJet flights from London, Ontario to State of Washington

Our best WestJet deals on London, Ontario to State of Washington flight tickets

Air Canada flights from London, Ontario to State of Washington

Our best Air Canada deals on London, Ontario to State of Washington flight tickets

momondo Fare Finder

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

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How to get the cheapest flight ticket from London, Ontario to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest airline that flies from London to Washington?

Air Canada, WestJet, and United Airlines are the most popular carriers operating from London to Washington

What airlines fly to State of Washington?

Cheap London, Ontario to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to State of Washington

Direct flights

When did momondo last update prices for flights from London Airport to Washington?

How old do you have to be to fly from London Airport to Washington?

What documentation or ID do you need to fly to Washington?

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington?

Can I find flights from London to Washington with flexible booking policies on momondo?

How can momondo help me find flights from London to Washington?

I’m not ready to book a flight from London to Washington right now. Can momondo alert me if prices change?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo