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USN to BOS: distance & flight time
Ulsan (Ulsan Airport) → Boston (General Edward Lawrence Logan International Airport)
6,899 mi
11,103 km · 5,995 nm
14h
estimated nonstop flight time
-13h
time difference · heading north
See live USN→BOS fares Phone-only fares on this route — call free
Flight time details
6,899 miles nonstop takes roughly 14h gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 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 USN from BOS?
The flight distance from Ulsan (USN) to Boston (BOS) is 6,899 miles (11,103 km, 5,995 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to BOS?
A nonstop flight takes about 14h 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 Ulsan and Boston?
Boston is 13 hours behind Ulsan.
What is the cheapest way to fly from USN to BOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–BOS that never appear on search engines, with no booking fees.