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Popular airlines from Seattle-Tacoma International Airport (SEA) to London

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Prices were available within the past 7 days and start at P30,354 for one-way flights and P49,413 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Condor
Sat, Apr 25 - Wed, Apr 29
SEA
Seattle
LGW
London
P49,413 Roundtrip, found 6 hours ago
P49,413
Roundtrip
found 6 hours ago
Select Condor flight, departing Sat, Apr 25 from Seattle to London, returning Wed, Apr 29, priced at P49,413 found 6 hours ago
Condor
Mon, Apr 13 - Mon, Apr 20
SEA
Seattle
LGW
London
P49,607 Roundtrip, found 4 days ago
P49,607
Roundtrip
found 4 days ago
Select Condor flight, departing Mon, Apr 13 from Seattle to London, returning Mon, Apr 20, priced at P49,607 found 4 days ago
Condor
Mon, Sep 7 - Mon, Sep 14
SEA
Seattle
LGW
London
P61,345 Roundtrip, found 2 days ago
P61,345
Roundtrip
found 2 days ago
Select Condor flight, departing Mon, Sep 7 from Seattle to London, returning Mon, Sep 14, priced at P61,345 found 2 days ago
Alaska Airlines
Mon, Sep 7 - Mon, Sep 14
SEA
Seattle
LGW
London
P64,199 Roundtrip, found 2 days ago
P64,199
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 7 from Seattle to London, returning Mon, Sep 14, priced at P64,199 found 2 days ago
Alaska Airlines
Sat, Apr 25 - Wed, Apr 29
SEA
Seattle
LGW
London
P65,648 Roundtrip, found 6 hours ago
P65,648
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Sat, Apr 25 from Seattle to London, returning Wed, Apr 29, priced at P65,648 found 6 hours ago
Condor
Sat, Apr 25 - Wed, Apr 29
SEA
Seattle
LHR
London
P69,178 Roundtrip, found 6 hours ago
P69,178
Roundtrip
found 6 hours ago
Select Condor flight, departing Sat, Apr 25 from Seattle to London, returning Wed, Apr 29, priced at P69,178 found 6 hours ago
Alaska Airlines
Mon, Sep 7 - Mon, Sep 14
SEA
Seattle
LGW
London
P73,472 Roundtrip, found 2 days ago
P73,472
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 7 from Seattle to London, returning Mon, Sep 14, priced at P73,472 found 2 days ago
Condor
Mon, Apr 13 - Mon, Apr 20
SEA
Seattle
LHR
London
P73,703 Roundtrip, found 4 days ago
P73,703
Roundtrip
found 4 days ago
Select Condor flight, departing Mon, Apr 13 from Seattle to London, returning Mon, Apr 20, priced at P73,703 found 4 days ago
Condor
Mon, Apr 13 - Mon, Apr 20
SEA
Seattle
LCY
London
P74,411 Roundtrip, found 4 days ago
P74,411
Roundtrip
found 4 days ago
Select Condor flight, departing Mon, Apr 13 from Seattle to London, returning Mon, Apr 20, priced at P74,411 found 4 days ago
Alaska Airlines
Mon, Sep 7 - Mon, Sep 14
SEA
Seattle
LCY
London
P74,898 Roundtrip, found 2 days ago
P74,898
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 7 from Seattle to London, returning Mon, Sep 14, priced at P74,898 found 2 days ago
Seattle to London route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Gatwick
Roundtrip price
P49,412
Distance
7697 km

Perfect flights from Seattle to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to LON-All Airports ticket options cater to your travel preferences, with incredible one-way fares from P30,354 and roundtrip prices from P49,413. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at LON-All Airports and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from Sea-Tac Airport to London (LON-All Airports)?
Round-trip journeys from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports) start from P49,413. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to London (LON-All Airports)?
Most flights can be canceled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to London (LON-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to London (LON-All Airports) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports)?
Make the 14 hours and 48 minutes between SEA and London (LON-All Airports) as comfortable as you can. Bring the essentials, like a water bottle, toothbrush and toiletries, and simply enjoy the flight!
How far is the flight from SEA to London (LON-All Airports)?
With around 7,700 kilometers separating SEA and London (LON-All Airports), your flight will be a long one. Pack wisely and make your time on board comfortable. Simple things like an eye mask and a good travel pillow can make a massive difference.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports)?
You have lots of options when flying from SEA to London (LON-All Airports). Lock in your fare with one of these popular airlines:

  • Virgin Atlantic - (VS) with 30 monthly flights
  • American Airlines - (AA) with 30 monthly flights
  • British Airways - (BA) with 30 monthly flights
  • Delta Air Lines - (DL) with 17 monthly flights

Are Sea-Tac Airport to London (LON-All Airports) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from SEA to London (LON-All Airports) can be hit-or-miss. It is possible to score a bargain, but you could also miss out entirely! If you'd prefer to play it safe and start planning early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines publish their prices that far in advance. Our suggestion? Check back often as updates are made regularly.
*Available to Expedia members.