Portland to Seoul flights

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Lowest observed: €389, departing 29 Oct 2026 (Last checked: 28 Sep 2026)
Airlines seen: Air Canada, Air India, Air Premia, Alaska Airlines, Cathay Pacific, Eastar Jet +9 more
Typical journey time: 21h 31m

Lowest observed

€389

Average observed

€533

Cheapest month

October 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €389

Lowest observed

29 Oct 2026

Alaska Airlines · 1 stop · One way

Cheapest observed day · Last checked: 28 Sep 2026

Departure

21:33

When to fly

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Find the dates that work for you

The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Short answer

We have seen Air Canada fares from Portland to Seoul. The lowest fare our own searches returned is €389, seen on 28 Sep 2026. The average across the fares we caught is €533. October 2026 is the cheapest month in our observations, at €389. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

Short answer

About this route

Explore the fares we observed from Portland to Seoul. Prices move often, so pick your dates to see the latest options.

Route distance: 8,452 km
Typical journey time: 21h 31m
Airlines seen: Air Canada, Air India, Air Premia, Alaska Airlines, Cathay Pacific, Eastar Jet +9 more
Seen on fares with a connection: Alaska Airlines, United Airlines, Air Canada, Air Premia, Cathay Pacific, Frontier Airlines +2 more
Alternative airports: GMP

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Frequently asked

How much is a flight from Portland to Seoul?

The lowest fare we have observed is €389, found on 28 Sep 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Portland to Seoul?

In our observations October 2026 is the cheapest month so far, at €389.

Are there direct flights from Portland to Seoul?

Our data holds no non-stop flight from Portland to Seoul. The fares on this page include at least one stop.

Which airlines fly from Portland to Seoul?

These are the carriers we have seen on the route: Air Canada, Air India, Air Premia, Alaska Airlines, Cathay Pacific, Eastar Jet +9 more.

How long does the flight from Portland to Seoul take?

The average journey time across the 77 fares we observed is 23h 42m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Portland to Seoul fares were non-stop?

None of the 77 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide