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KLV to BOS: distance & flight time
Karlovy Vary (Karlovy Vary International Airport) → Boston (General Edward Lawrence Logan International Airport)
3,828 mi
6,160 km · 3,326 nm
7h 58m
estimated nonstop flight time
-6h
time difference · heading northwest
See live KLV→BOS fares Phone-only fares on this route — call free
Flight time details
3,828 miles nonstop takes roughly 7h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- KLV — Karlovy Vary International Airport · Karlovy Vary, Czech Republic
- BOS — General Edward Lawrence Logan International Airport · Boston, 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 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
Near BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
Frequently asked questions
How far is KLV from BOS?
The flight distance from Karlovy Vary (KLV) to Boston (BOS) is 3,828 miles (6,160 km, 3,326 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLV to BOS?
A nonstop flight takes about 7h 58m 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 Karlovy Vary and Boston?
Boston is 6 hours behind Karlovy Vary.
What is the cheapest way to fly from KLV to BOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLV–BOS that never appear on search engines, with no booking fees.