Need help booking?
Unpublished phone-only deals available
KFS to SWU: distance & flight time
Kastamonu (Kastamonu Airport) → Suwon (Suwon Airport)
4,735 mi
7,620 km · 4,115 nm
9h 45m
estimated nonstop flight time
+6h
time difference · heading northeast
See live KFS→SWU fares Phone-only fares on this route — call free
Flight time details
4,735 miles nonstop takes roughly 9h 45m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- KFS — Kastamonu Airport · Kastamonu, Turkey
- SWU — Suwon Airport · Suwon, South Korea
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 KFS
- NOP · Sinop Airport82 mi away
- ONQ · Zonguldak Airport89 mi away
- ESB · Esenboğa International Airport92 mi away
- MZH · Amasya Merzifon Airport96 mi away
Near SWU
- ICN · Incheon International Airport34 mi away
- OSN · Osan Air Base10 mi away
- SSN · Seoul Air Base (K-16)15 mi away
- GMP · Gimpo International Airport25 mi away
Frequently asked questions
How far is KFS from SWU?
The flight distance from Kastamonu (KFS) to Suwon (SWU) is 4,735 miles (7,620 km, 4,115 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KFS to SWU?
A nonstop flight takes about 9h 45m 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 Kastamonu and Suwon?
Suwon is 6 hours ahead of Kastamonu.
What is the cheapest way to fly from KFS to SWU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KFS–SWU that never appear on search engines, with no booking fees.