Cheap flights from the United Kingdom to Seattle
How far in advance should I book a flight from United Kingdom to Seattle?
To save up to 51% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to Seattle from £503 1-2 weeks out and tickets from £659 for flights departing within the next 72 hours.
What is the cheapest month to fly from United Kingdom to Seattle?
February can be a great time to fly to Seattle from United Kingdom with a flight ticket averaging about £444. Cheapflights users have found deals in the month of February for as cheap as £292. The most expensive prices can be found in the month of July.
When is the cheapest time to fly from United Kingdom to Seattle (GB - SEA)?
When flying from United Kingdom to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap flights from United Kingdom to Seattle in May, June 2022
The best prices found for United Kingdom to SEA flights in May, June
London Heathrow
Seattle/Tacoma Intl
1 stop
31h 50mSeattle/Tacoma Intl
London Heathrow
1 stop
17h 15mIcelandair
London Heathrow
Seattle/Tacoma Intl
1 stop
31h 50mSeattle/Tacoma Intl
London Heathrow
1 stop
17h 15mIcelandair
London Heathrow
Seattle/Tacoma Intl
1 stop
14h 00mSeattle/Tacoma Intl
London Heathrow
2 stops
20h 21mUnited Airlines
United Kingdom to Seattle 2022 flight deals
Cheap flights to Seattle from United Kingdom found for this year
London Gatwick
Seattle/Tacoma Intl
1 stop
16h 10mSeattle/Tacoma Intl
London Gatwick
1 stop
12h 00mIcelandair
London Heathrow
Seattle/Tacoma Intl
1 stop
12h 50mSeattle/Tacoma Intl
London Heathrow
1 stop
12h 05mIcelandair
London Heathrow
Seattle/Tacoma Intl
1 stop
16h 10mSeattle/Tacoma Intl
London Heathrow
1 stop
17h 15mIcelandair
Cheap Icelandair flights from United Kingdom to Seattle
London Heathrow
Seattle/Tacoma Intl
1 stop
12h 50mSeattle/Tacoma Intl
London Heathrow
1 stop
12h 05mIcelandair
London Heathrow
Seattle/Tacoma Intl
1 stop
16h 10mSeattle/Tacoma Intl
London Heathrow
1 stop
17h 15mIcelandair
London Gatwick
Seattle/Tacoma Intl
1 stop
16h 10mSeattle/Tacoma Intl
London Gatwick
1 stop
32h 45mIcelandair
Cheap KLM flights from United Kingdom to Seattle
Birmingham
Seattle/Tacoma Intl
2 stops
17h 45mSeattle/Tacoma Intl
Birmingham
2 stops
17h 01mKLM
London City
Seattle/Tacoma Intl
1 stop
13h 55mSeattle/Tacoma Intl
London City
1 stop
15h 15mKLM
Birmingham
Seattle/Tacoma Intl
1 stop
17h 55mSeattle/Tacoma Intl
Birmingham
2 stops
17h 01mKLM
Direct flights to Seattle from United Kingdom
Save time with United Kingdom to Seattle direct flight deals
London Heathrow
Seattle/Tacoma Intl
Nonstop
10h 20mSeattle/Tacoma Intl
London Heathrow
Nonstop
9h 25mBritish Airways
London Heathrow
Seattle/Tacoma Intl
Nonstop
9h 45mSeattle/Tacoma Intl
London Heathrow
Nonstop
9h 25mFinnair
London Heathrow
Seattle/Tacoma Intl
Nonstop
10h 10mSeattle/Tacoma Intl
London Heathrow
Nonstop
9h 40mVirgin Atlantic
Last-minute flights from United Kingdom to Seattle
Late deals on return flights to Seattle from United Kingdom, departing today and this week
London Heathrow
Seattle/Tacoma Intl
1 stop
19h 37mSeattle/Tacoma Intl
London Heathrow
1 stop
14h 20mAir Canada
London Heathrow
Seattle/Tacoma Intl
1 stop
16h 10mSeattle/Tacoma Intl
London Heathrow
1 stop
17h 15mIcelandair
London Heathrow
Seattle/Tacoma Intl
1 stop
31h 50mSeattle/Tacoma Intl
London Heathrow
1 stop
17h 15mIcelandair
One-way flights to Seattle/Tacoma Intl from United Kingdom
The cheapest one-way flights from United Kingdom to Seattle
London Stansted
Seattle/Tacoma Intl
2 stops
32h 47mMultiple Airlines
London Stansted
Seattle/Tacoma Intl
2 stops
34h 15mMultiple Airlines
London Stansted
Seattle/Tacoma Intl
2 stops
34h 17mMultiple Airlines
Related info for your journey
Useful info, stats and facts about United Kingdom to Seattle flights.
What airport do you fly into for flights to Seattle from United Kingdom?
For a flight from United Kingdom to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.
Which airlines flying from United Kingdom to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?
British Airways, Virgin Atlantic, and Lufthansa are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Can I find flights from United Kingdom to Seattle for under £500 on Cheapflights?
Yes, there are multiple flights from United Kingdom to Seattle for under £500. The cheapest flight booked recently is on Icelandair for just £426, but on average you can expect to pay £445.
Are there nonstop flights from United Kingdom to Seattle for under £500 on Cheapflights?
Cheapflights has at least 20 direct flights from United Kingdom to Seattle under £500. A good price for a nonstop flight from United Kingdom to Seattle is less than £513.
Are there last-minute flights available from United Kingdom to Seattle for under £600?
There are currently 20+ open flights from United Kingdom to Seattle within the next 7 days for less than £600.
What are the most popular routes from United Kingdom to Seattle?
The most popular flight routes from United Kingdom to Seattle are London Heathrow - Seattle/Tacoma Intl, London Gatwick - Seattle/Tacoma Intl and London City - Seattle/Tacoma Intl.
What are the most popular airlines that fly from United Kingdom to Seattle?
American Airlines, Air Canada and Air France are the most popular airlines when flying from United Kingdom to Seattle.
What are the most reliable airlines from United Kingdom to Seattle?
The top 3 most reliable airlines when flying from United Kingdom to Seattle are Alaska Airlines (96%), American Airlines (77%) and Finnair (77%).
What are the cheapest flights from United Kingdom to Seattle?
Looking for the cheapest flight from United Kingdom to Seattle? While on average our users pay £1,609, our data indicates the cheapest price to be £399. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £426.
Flights to Seattle from United Kingdom
Can I fly to Seattle/Tacoma Intl from United Kingdom right now?
Most visitors from United Kingdom need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.
COVID-19 testing requirements
Visitors from United Kingdom must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.
Quarantine requirements
Visitors from United Kingdom are not required to quarantine after entering Seattle/Tacoma Intl.
Can I fly back to United Kingdom from Seattle/Tacoma Intl?
COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering United Kingdom.
Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering United Kingdom.
Departure points for flights from United Kingdom to Seattle
Select to see more specific information for flights to Seattle from all departure points in United Kingdom
Top 5 airlines flying from United Kingdom to Seattle
The chart below displays the airlines Cheapflights users travelling from United Kingdom to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from United Kingdom to Seattle
See what time of day planes typically take off from United Kingdom to Seattle
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 36%of flight departures | Morning6 am to noon |
| 63%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |