Need help booking?
Unpublished phone-only deals available
KLS to BTS: distance & flight time
Kelso (Southwest Washington Regional Airport) → Bratislava (M. R. Štefánik Airport)
5,492 mi
8,839 km · 4,773 nm
11h 14m
estimated nonstop flight time
+9h
time difference · heading northeast
See live KLS→BTS fares Phone-only fares on this route — call free
Flight time details
5,492 miles nonstop takes roughly 11h 14m 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
- KLS — Southwest Washington Regional Airport · Kelso, United States
- BTS — M. R. Štefánik Airport · Bratislava, Slovakia
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 KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Near BTS
- VIE · Vienna International Airport30 mi away
- PZY · Piešťany Airport42 mi away
- UHE · Kunovice Airport60 mi away
- BRQ · Brno-Tuřany Airport72 mi away
Frequently asked questions
How far is KLS from BTS?
The flight distance from Kelso (KLS) to Bratislava (BTS) is 5,492 miles (8,839 km, 4,773 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to BTS?
A nonstop flight takes about 11h 14m 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 Kelso and Bratislava?
Bratislava is 9 hours ahead of Kelso.
What is the cheapest way to fly from KLS to BTS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–BTS that never appear on search engines, with no booking fees.