$267+ Cheap flights from Seattle (SEA) to the United Kingdom
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Seattle to United Kingdom with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to United Kingdom
Keep the following information in mind while searching for Seattle to United Kingdom flight deals. Data was last updated marzo 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $571 (Mytrip) |
One-way from | $267 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $687 |
Good round-trip deal | $723 or less |
Good one-way deal | $501 or less |
Find flight deals from Seattle to United Kingdom
Cheapest flights from Seattle to United KingdomExplore the most affordable flight options available from Seattle to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 20, 2025.
Explore the most affordable flight options available from Seattle to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 20, 2025.
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ticket deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 20, 2025.
Use the filters below to find and compare flights from Seattle to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
dom. 4/27
3:45 pm-7:10 pm
2 stops19h 25m
London Stansted
dom. 5/4
8:15 am-2:09 pm
3 stops37h 54m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
mié. 9/3
11:30 pm-11:55 am
1 stop28h 25m
London Heathrow
mié. 10/1
9:25 pm-8:40 pm
1 stop31h 15m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
lun. 4/7
3:05 pm-1:20 pm
1 stop14h 15m
London Heathrow
mié. 4/23
2:10 pm-6:28 pm
1 stop12h 18m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
jue. 5/1
7:00 pm-2:40 pm
1 stop11h 40m
London Gatwick
mié. 5/14
3:40 pm-5:50 pm
1 stop34h 10m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
lun. 4/21
1:30 pm-6:50 am
Nonstop9h 20m
London Heathrow
vie. 5/9
9:50 am-11:35 am
Nonstop9h 45m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
mié. 4/23
6:45 pm-3:55 pm
1 stop13h 10m
London Heathrow
mié. 4/30
8:50 am-4:59 pm
1 stop16h 09m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
lun. 4/7
5:35 pm-11:20 am
Nonstop9h 45m
London Heathrow
mié. 4/23
6:15 am-11:15 am
1 stop13h 00m
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
mié. 4/23
7:00 pm-2:40 pm
1 stop11h 40m
London Gatwick
mar. 4/29
7:55 pm-8:28 pm
2 stops32h 33m
SeattleGlasgow
SEA - GLA
SEAGLA
Seattle/Tacoma Intl
dom. 5/18
3:45 pm-1:25 pm
1 stop13h 40m
Glasgow Intl
dom. 6/8
2:20 pm-5:50 pm
1 stop11h 30m
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
mié. 4/30
3:45 pm-11:40 am
1 stop11h 55m
Manchester
mié. 5/7
7:55 am-8:28 pm
2 stops20h 33m
Best time to book a flight from Seattle to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Seattle with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Seattle to the United Kingdom
What is the cheapest month to book a flight from Seattle to United Kingdom?
Currently, November is the cheapest month in which you can book a flight from Seattle to United Kingdom (average of $661). Flying from Seattle to United Kingdom in June is currently the most expensive (average of $1,122). 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.
What is the cheapest time of day to fly from SEA to GB?
Find hourly flight availability from Seattle to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 20, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to United Kingdom as you normally would.
Weekly flight availability from Seattle to United Kingdom
Explore weekly flight availability from Seattle to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated marzo 20, 2025.
The most flights from SEA to GB0 are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).
Rainfall in United Kingdom by month
Plan your trip to United Kingdom by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.
Temperature in United Kingdom by month
Plan your trip to United Kingdom by taking into account the average temperature totals by month.
If weather is an important factor for your trip to United Kingdom, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Reviews of airlines servicing United Kingdom
Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated marzo 20, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Seattle to United Kingdom have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Entertainment
Food
Boarding
Overall
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Seattle to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Seattle to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Seattle to United Kingdom
Discover the top 10 airlines that operate flights from Seattle to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$378 | Average$915 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$999 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$500 | Average$751 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$568 | Average$873 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$579 | Average$948 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$581 | Average$738 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$584 | Average$1,033 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$585 | Average$911 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$596 | Average$1,148 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$597 | Average$773 | FlexibilityNo cancel fee | On-time76% |