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WBU to SWU: distance & flight time
Boulder (Boulder Municipal Airport) → Suwon (Suwon Airport)
6,155 mi
9,906 km · 5,349 nm
12h 32m
estimated nonstop flight time
+15h
time difference · heading northwest
See live WBU→SWU fares Phone-only fares on this route — call free
Flight time details
6,155 miles nonstop takes roughly 12h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 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 WBU from SWU?
The flight distance from Boulder (WBU) to Suwon (SWU) is 6,155 miles (9,906 km, 5,349 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to SWU?
A nonstop flight takes about 12h 32m 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 Boulder and Suwon?
Suwon is 15 hours ahead of Boulder.
What is the cheapest way to fly from WBU to SWU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–SWU that never appear on search engines, with no booking fees.