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KRH to BFI: distance & flight time
Redhill (Redhill Aerodrome) → Seattle (Boeing Field King County International Airport)
4,804 mi
7,731 km · 4,174 nm
9h 53m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KRH→BFI fares Phone-only fares on this route — call free
Flight time details
4,804 miles nonstop takes roughly 9h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- KRH — Redhill Aerodrome · Redhill, United Kingdom
- BFI — Boeing Field King County International Airport · Seattle, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near KRH
- LGW · London Gatwick Airport5 mi away
- LHR · London Heathrow Airport23 mi away
- BQH · London Biggin Hill Airport11 mi away
- LCY · London City Airport22 mi away
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is KRH from BFI?
The flight distance from Redhill (KRH) to Seattle (BFI) is 4,804 miles (7,731 km, 4,174 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KRH to BFI?
A nonstop flight takes about 9h 53m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Redhill and Seattle?
Seattle is 8 hours behind Redhill.
What is the cheapest way to fly from KRH to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KRH–BFI that never appear on search engines, with no booking fees.