Seattle to London (BFI–LGW) — Airlines, Schedules & Connections

BFI Airport Page →
4,806 mi airlines 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 9 1-stop flights Verified 6d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
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Seattle to London
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 4,806 mi 9h 8m nonstop +8h ahead 9 1-stop hubs

BFI–LGW is served by 1 airline with nonstop service. TUI Airways leads the route. The flight covers 4,806 miles in approximately 9h 8m. Beyond nonstop, 9 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop BFI–LGW service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
BY TUI Airways 1
Alliance coverage
Unaffiliated: BY (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BFI to LGW.
1-STOP
One-Stop Connections
9
Hubs
~8h
Fastest
~14h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
90
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Travel Essentials

Practical planning for this route.
Time Difference
+8h
London is 8 hours ahead of Seattle.
BFI: PDT · LGW: BST

When it's 6:00 PM in Seattle, it's 2:00 AM (next day) in London.
Distance & Flight Time
4,806 mi / 7,735 km
Nonstop flight time is approximately 9h 8m.
Visa & Entry

US citizens need a UK Electronic Travel Authorisation (ETA) before travel, applied for online. The ETA costs GBP 10 and is valid for multiple entries over 2 years. Stays are permitted for up to 6 months per visit. Passport must be valid for the duration of stay.

Declare goods over GBP 390 in value. UK duty-free allowances apply on goods from outside the UK.

Getting from LGW

The Gatwick Express departs the South Terminal every 15 minutes to London Victoria (30 min, from £21.50). Thameslink services are cheaper and provide direct access to Farringdon, City Thameslink, Blackfriars, and London Bridge; useful for destinations in the City and East London. Both terminal buildings are connected by a free inter-terminal monorail shuttle (2 min).Taxis from arrivals queue outside; metered fares to central London typically run £70–100 and can exceed this during peak hours. Uber and other ride-shares operate from a designated zone. Rental car desks are in both terminal buildings.

London Climate

Temperate maritime climate. Winters (November–February) are cool and grey at 3–9°C, with fog, low cloud, and occasional light snow causing moderate delay risks. Summers (June–August) are mild at 18–25°C. Heat waves are increasingly common and can affect ramp operations. Rain falls year-round with no dry season.

Wind is a more frequent disruption factor than snow at Gatwick. The airport has a single active runway and is sensitive to crosswinds. Autumn storms (October–November) occasionally cause significant delays.

BFI–LGW Quick Facts

Key statistics for the Seattle to London route.
Route details
Distance4,806 mi / 7,735 km
Flight time9h 8m
Time difference+8 hours
Airlines (nonstop)1
Weekly flights1 out
1-stop connections9 hubs
Origin: BFI
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m
Destination: LGW
IATA / ICAOLGW / EGKK
TimezoneEurope/London
Passengers/yr43.2M
Elevation202 ft / 62 m

Frequently Asked Questions

Common questions about BFI to LGW flights.
Nonstop flights from King County International Airport - Boeing Field to London Gatwick Airport take approximately 9h 8m. The route covers 4,806 miles.
1 airline operates nonstop service: TUI Airways.
There are approximately 1 nonstop flights per week from BFI to LGW.
Yes, 1-stop connections are available through KEF, DUB, EDI, OSL, YYZ, BER, MIA, BOS and MCO. These options provide additional schedule flexibility.
London is 8 hours ahead of Seattle.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from BFI to LGW

King County International Airport - Boeing Field (BFI) and London Gatwick Airport (LGW) are connected by nonstop service from TUI Airways. With 1 weekly departures, this is a regularly served route.

BFI to LGW Flight Duration and Schedule

Nonstop flight time from BFI to LGW ranges from 9 hours 8 minutes. The route covers a distance of 4,806 miles (7,735 km).

Connecting Options and Alternatives

9 one-stop connections are available, with the fastest taking approximately 8 hours via KEF. Two-stop connections are also available via intermediate hubs.