Cheap flights
Cheap flights from United States to South Korea
Track the cheapest United States–South Korea fares — currently from €309.
Fares shown in EUR, observed from live searches.
Here's everything you need to book a cheap flight from United States to South Korea: the cheapest fares we've tracked, how prices change month to month, and a free alert that watches the route for you.
United States to South Korea flight prices by month
The cheapest month to fly United States to South Korea is Aug 2026, with fares from €309. Use the table below to find the cheapest time to travel.
See exact monthly fares
| Month | Cheapest fare |
|---|---|
| Jul 2026 | €365 |
| Aug 2026Cheapest | €309 |
| Jul 2027 | €5,510 |
Popular destinations from United States
Frequently asked questions
How much is a flight from United States to South Korea?
The cheapest United States–South Korea fare we've tracked recently is €309 one-way. The lowest prices usually appear in Aug 2026.
What is the cheapest month to fly from United States to South Korea?
Aug 2026 is currently the cheapest month to fly from United States to South Korea, with fares from €309. See the month-by-month table above for the full year.
How far in advance should I book United States to South Korea?
For United States–South Korea, booking a few weeks to a few months ahead usually gives the best price. Flexible dates and mid-week departures help you save even more.
Can I set a price alert for United States to South Korea?
Yes — Flyozo watches the United States–South Korea route for free and emails you the moment the fare drops.
Start Planning Your Trip
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- United States to United Arab Emirates
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- United States to Miami
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Going the other way
Prices on this page are observed from live flight searches (222 recent fares), not estimates. Last updated Jul 30, 2026. Actual prices change constantly — always confirm on the booking site.