Find cheap flights from Harlingen to Incheon from $2,372

In the last 3 days, the lowest price for a flight from Harlingen, Texas to Incheon Intl Airport was $2,372 for a round-trip ticket.

Yes, you'll most likely have to show a valid passport before boarding the plane in Harlingen and on arrival in Seoul Incheon Airport.

Harlingen airport is called Harlingen Valley Intl and the only airport in Seoul Incheon Airport is Incheon Intl.

We unfortunately don’t have that data for this specific route.

Star Alliance, and oneworld are the airline alliances operating flights between Harlingen and Seoul Incheon Airport, with oneworld being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Harlingen to Seoul Incheon Airport.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul Incheon Airport from Harlingen is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seoul Incheon Airport with an airline and back to Harlingen with another airline. Booking your flights between Harlingen and ICN can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seoul Incheon Airport from Harlingen up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.