Cheap Flights from London International Airport to Seattle Tacoma Intl. Airport (YXU - SEA) 2026 ✈ from AU$310 | Trip.com

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London International Airport to Seattle Tacoma Intl. Airport flight

Cheap Flights from London International Airport to Seattle Tacoma Intl. Airport

Search for flights from London to Seattle and check out affordable one-way and round-trip options.

Round-trip
One way

Displayed flight fares from London International Airport to Seattle Tacoma Intl. Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Selected Airlines from London International Airport to Seattle Tacoma Intl. Airport

See which airlines fly from London to Seattle. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

WestJet

WestJet

From AU$310

Air Canada

Air Canada

From AU$357

United Airlines

United Airlines

From AU$448

Delta Air Lines

Delta Air Lines

From AU$577

Find more flights and airlines

Flight Schedule from London International Airport to Seattle Tacoma Intl. Airport

Check the schedule for flights from London to Seattle and find the flight that best matches your travel plans.

Flight info.

Departure

Arrival

Weekly Schedule

AC8260

London International Airport

3:20 PM

YXU

50m

Nonstop

4:10 PM

YYZ

S M T W T F S

Search

AC541

Toronto Pearson International Airport

7:35 PM

YYZ

5h 22m

Nonstop

9:57 PM

SEA

S M T W T F S

Delta Air Lines

DL7098

London International Airport

6:10 AM

YXU

4h 10m

Nonstop

8:20 AM

YYC

S M T W T F S

Search

Delta Air Lines

DL7124

Calgary Intl. Airport

10:00 AM

YYC

3h

Nonstop

12:00 PM

SFO

S M T W T - S

Delta Air Lines

DL1412

San Francisco Intl. Airport

1:30 PM

SFO

2h 17m

Nonstop

3:47 PM

SEA

S M T W T F S

WS737

London International Airport

8:40 PM

YXU

4h 10m

Nonstop

10:50 PM

YYC

- M - W T - -

Search

Alaska Airlines

AS2148

Calgary Intl. Airport

6:00 AM

YYC

1h 50m

Nonstop

6:50 AM

SEA

S M T W T F S

WS747

London International Airport

6:10 AM

YXU

4h 10m

Nonstop

8:20 AM

YYC

S M T W T F S

Search

WS113

Calgary Intl. Airport

11:05 AM

YYC

1h 40m

Nonstop

11:45 AM

YVR

S M T W T F S

WS8839

Vancouver Intl. Airport

3:25 PM

YVR

1h 11m

Nonstop

4:36 PM

SEA

- M T W - F S

AC8256

London International Airport

12:20 PM

YXU

50m

Nonstop

1:10 PM

YYZ

S M T W T F S

Search

AC541

Toronto Pearson International Airport

7:35 PM

YYZ

5h 22m

Nonstop

9:57 PM

SEA

S M T W T F S

WS747

London International Airport

6:10 AM

YXU

4h 10m

Nonstop

8:20 AM

YYC

S M T W T F S

Search

WS1552

Calgary Intl. Airport

5:50 PM

YYC

1h 55m

Nonstop

6:45 PM

SEA

S M T W T F S

WS737

London International Airport

8:40 PM

YXU

4h 10m

Nonstop

10:50 PM

YYC

- M - W T - -

Search

WS1550

Calgary Intl. Airport

8:45 AM

YYC

1h 55m

Nonstop

9:40 AM

SEA

S M T W T F S

Delta Air Lines

DL7098

London International Airport

6:10 AM

YXU

4h 10m

Nonstop

8:20 AM

YYC

S M T W T F S

Search

Delta Air Lines

DL7124

Calgary Intl. Airport

10:00 AM

YYC

3h

Nonstop

12:00 PM

SFO

S M T W T - S

Delta Air Lines

DL3707

San Francisco Intl. Airport

5:29 PM

SFO

2h 15m

Nonstop

7:44 PM

SEA

S M T W T F S

Delta Air Lines

DL7098

London International Airport

6:10 AM

YXU

4h 10m

Nonstop

8:20 AM

YYC

S M T W T F S

Search

Delta Air Lines

DL6883

Calgary Intl. Airport

11:40 AM

YYC

3h 25m

Nonstop

2:05 PM

LAX

- M T W - F S

Delta Air Lines

DL2640

Los Angeles Intl. Airport

5:35 PM

LAX

2h 56m

Nonstop

8:31 PM

SEA

S M T W T F S

WS747

London International Airport

6:10 AM

YXU

4h 10m

Nonstop

8:20 AM

YYC

S M T W T F S

Search

WS3750

Calgary Intl. Airport

7:55 PM

YYC

2h 5m

Nonstop

9:00 PM

SEA

S M T W T F S

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London International Airport to Seattle Tacoma Intl. Airport Flights Info

Flight distance	3,224.6 km
Cheapest one-way ticket price	AU$310

FAQs for London International Airport to Seattle Tacoma Intl. Airport Flights

What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.