
Keep the following information in mind while searching for United Kingdom to Washington flight deals. Data was last updated November 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $546 (Expedia) |
One-way from | $375 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $659 |
Good round-trip deal | $576 or less |
Good one-way deal | $522 or less |
Fly from
Fly to
Route
Depart
Return
GlasgowSeattle
GLA Glasgow Intl - SEA Seattle/Tacoma Intl
GLASEA
Glasgow Intl
Mon 4/26
9:45 pm-9:40 am
3 stops43h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
BirminghamSeattle
BHX Birmingham - SEA Seattle/Tacoma Intl
BHXSEA
Birmingham
Mon 1/11
7:55 am-5:00 pm
2 stops17h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
ManchesterSeattle
MAN Manchester - SEA Seattle/Tacoma Intl
MANSEA
Manchester
Mon 12/7
7:30 am-5:00 pm
3 stops41h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
ManchesterSeattle
MAN Manchester - SEA Seattle/Tacoma Intl
MANSEA
Manchester
Wed 12/2
1:25 pm-5:00 pm
3 stops35h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
ManchesterSeattle
MAN Manchester - SEA Seattle/Tacoma Intl
MANSEA
Manchester
Wed 12/9
5:10 pm-5:00 pm
3 stops31h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
GlasgowSeattle
GLA Glasgow Intl - SEA Seattle/Tacoma Intl
GLASEA
Glasgow Intl
Tue 1/26
10:05 pm-5:00 pm
3 stops50h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
LondonSeattle
LGW London Gatwick - SEA Seattle/Tacoma Intl
LGWSEA
London Gatwick
Wed 3/10
10:00 am-2:55 pm
1 stop12h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Sun 1/17
2:45 pm-4:50 pm
Nonstop10h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Thu 1/14
11:45 am-10:02 pm
2 stops18h 17m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Mon 1/11
7:30 am-7:38 pm
2 stops20h 08m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
Everything you need to know about your flight from the United Kingdom to Washington
Comfort
Crew
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jun 2026
LHR - SEA
Comfort
Crew
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jun 2026
LHR - SEA
Comfort
Crew
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jun 2026
LHR - SEA
Comfort
Crew
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jun 2026
LHR - SEA
Comfort
Crew
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jun 2026
LHR - SEA
Comfort
Crew
Entertainment
Boarding
Overall
Food
Reviews
Anonymous,Jun 2026
LHR - SEA
Find useful and relevant information for your journey from United Kingdom to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$380 | Average$803 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$485 | Average$787 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$534 | Average$782 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$536 | Average$856 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$579 | Average$908 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$661 | Average$1,013 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$981 | Average$981 | FlexibilityNo cancel fee | On-time77% |