
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $474 (CrystalTravel) |
One-way from | $310 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $663 |
Good round-trip deal | $688 or less |
Good one-way deal | $460 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 11/26
2:35 pm-10:50 am
1 stop12h 15m
London Heathrow
Thu 12/4
12:15 pm-5:00 pm
1 stop12h 45m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Sat 1/10
2:35 pm-10:50 am
1 stop12h 15m
London Heathrow
Mon 1/19
12:15 pm-5:00 pm
1 stop12h 45m
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
Sat 1/10
2:35 pm-10:45 am
1 stop12h 10m
Manchester
Wed 1/14
11:55 am-5:00 pm
1 stop13h 05m
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
Sun 1/11
2:35 pm-10:45 am
1 stop12h 10m
Manchester
Sat 1/17
11:55 am-5:00 pm
1 stop13h 05m
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
Sat 1/10
2:35 pm-10:45 am
1 stop12h 10m
Manchester
Sun 1/18
11:55 am-5:00 pm
1 stop13h 05m
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
Sun 1/11
2:35 pm-10:45 am
1 stop12h 10m
Manchester
Thu 1/15
11:55 am-5:00 pm
1 stop13h 05m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 12/3
4:48 pm-10:30 am
Nonstop9h 42m
London Heathrow
Wed 12/10
6:20 am-1:25 pm
1 stop15h 05m
SeattleEdinburgh
SEA - EDI
SEAEDI
Seattle/Tacoma Intl
Mon 1/26
8:04 am-10:10 am
2 stops18h 06m
Edinburgh Turnhouse
Mon 2/2
7:20 pm-11:30 am
1 stop24h 10m
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 11/12
4:48 pm-10:30 am
Nonstop9h 42m
London Heathrow
Mon 11/17
8:40 am-11:45 am
1 stop35h 05m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Mon 12/1
8:10 am-11:55 pm
2 stops31h 45m
London Stansted
Thu 12/11
4:05 pm-12:10 pm
2 stops28h 05m
Currently, November is the cheapest month in which you can book a flight from Seattle to United Kingdom (average of $459). Flying from Seattle to United Kingdom in June is currently the most expensive (average of $653). 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.
A simple way to save on the total cost of your ticket is to fly from Seattle to United Kingdom in the afternoon. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the evening.
Travelers seeking maximum savings on their Seattle to United Kingdom flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Overall
Food
Crew
Entertainment
Boarding
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$213 | Average$1,004 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$465 | Average$741 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$484 | Average$682 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$500 | Average$899 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$517 | Average$847 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$518 | Average$801 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$546 | Average$966 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$547 | Average$896 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$553 | Average$999 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$556 | Average$694 | FlexibilityNo cancel fee | On-time76% |