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BFI to KLV: distance & flight time
Seattle (Boeing Field King County International Airport) → Karlovy Vary (Karlovy Vary International Airport)
5,177 mi
8,332 km · 4,499 nm
10h 37m
estimated nonstop flight time
+9h
time difference · heading northeast
See live BFI→KLV fares Phone-only fares on this route — call free
Flight time details
5,177 miles nonstop takes roughly 10h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- KLV — Karlovy Vary International Airport · Karlovy Vary, Czech Republic
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 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
Near KLV
- HOQ · Hof-Plauen Airport47 mi away
- AOC · Altenburg-Nobitz Airport57 mi away
- BYU · Bayreuth Airport58 mi away
- PRG · Václav Havel Airport Prague60 mi away
Frequently asked questions
How far is BFI from KLV?
The flight distance from Seattle (BFI) to Karlovy Vary (KLV) is 5,177 miles (8,332 km, 4,499 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to KLV?
A nonstop flight takes about 10h 37m 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 Seattle and Karlovy Vary?
Karlovy Vary is 9 hours ahead of Seattle.
What is the cheapest way to fly from BFI to KLV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–KLV that never appear on search engines, with no booking fees.