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HAF to USN: distance & flight time

Half Moon Bay (Half Moon Bay Airport) → Ulsan (Ulsan Airport)

5,608 mi
9,026 km · 4,873 nm
11h 28m
estimated nonstop flight time
time difference · heading northwest
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Flight time details

5,608 miles nonstop takes roughly 11h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

The two airports

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.

Frequently asked questions

How far is HAF from USN?

The flight distance from Half Moon Bay (HAF) to Ulsan (USN) is 5,608 miles (9,026 km, 4,873 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from HAF to USN?

A nonstop flight takes about 11h 28m 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 cheapest way to fly from HAF to USN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HAF–USN that never appear on search engines, with no booking fees.
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