Seoul to Portland flights

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Lowest observed: €505, departing 31 Jan 2027 (Last checked: 11 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 108Check live prices for this route
Airlines seen: Air Canada, Air Premia, Alaska Airlines, Asiana Airlines, China Southern, Delta Air Lines +8 more
Typical journey time: 16h 47m

Lowest observed

€505Checked on 11 Oct 2026

Average observed

€576

Cheapest month

January 2027

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €505

Lowest observed

31 Jan 2027

Air Premia · 1 stop · One way

Cheapest observed day · Last checked: 11 Oct 2026

Departure

19:45

When to fly

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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 Seoul to Portland. The lowest fare our own searches returned is €505, seen on 11 Oct 2026. The average across the fares we caught is €576. January 2027 is the cheapest month in our observations, at €505. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

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

Route distance: 8,452 km
Typical journey time: 16h 47m
Airlines seen: Air Canada, Air Premia, Alaska Airlines, Asiana Airlines, China Southern, Delta Air Lines +8 more
Seen on fares with a connection: Alaska Airlines, Air Premia, United Airlines, Korean Air, Air Canada, T'way Air +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

Airport to city: straight-line distance

Seoul Gimpo International Airport (GMP) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 17 km.
Incheon International Airport (ICN) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 48 km.
Portland International Airport (PDX) → Portland, city gazetteer reference point (45.5051, -122.6750): ≈ 11 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest fare by departure month

Cheapest month from Seoul to Portland: January 2027, from €505 (checked 11 Oct 2026).

Lowest fare by departure month
Month	Lowest fare	Priced days
October 2026	€534	19
November 2026	€506	28
December 2026	€507	28
January 2027	€505	23
February 2027	€507	10

Lowest fare by day of the week

Cheapest day of the week from Seoul to Portland: Sunday, from €505 (checked 11 Oct 2026).

Lowest fare by day of the week
Day	Lowest fare	Priced days
Monday	€507	16
Tuesday	€506	16
Wednesday	€508	16
Thursday	€527	15
Friday	€507	15
Saturday	€506	15
Sunday	€505	15

One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.

Lowest one-way fare we saw per airline

Cheapest airline from Seoul to Portland: Air Premia, from €505 (checked 11 Oct 2026).

Lowest one-way fare we saw per airline
Airline	Lowest fare	Priced days
Air Premia	€505Jan 31, 2027	21
Alaska Airlines	€507Dec 11, 2026	49
T'way Air	€525Nov 14, 2026	6
Air Canada	€527Nov 5, 2026	5
Asiana Airlines	€581Nov 16, 2026	3
United Airlines	€601Nov 25, 2026	9
Korean Air	€620Nov 27, 2026	8

One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.

Frequently asked

How much is a flight from Seoul to Portland?

The lowest fare we have observed is €505, found on 11 Oct 2026. Prices move, so read it as a floor rather than a quote.

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

Cheapest month from Seoul to Portland: January 2027, from €505 (checked 11 Oct 2026).

Are there direct flights from Seoul to Portland?

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

Which airlines fly from Seoul to Portland?

These are the carriers we have seen on the route: Air Canada, Air Premia, Alaska Airlines, Asiana Airlines, China Southern, Delta Air Lines +8 more.

How long does the flight from Seoul to Portland take?

The average journey time across the 108 fares we observed is 19h 32m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

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

None of the 108 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

Which day of the week is cheapest from Seoul to Portland?

Cheapest day of the week from Seoul to Portland: Sunday, from €505 (checked 11 Oct 2026).

Which airline has the lowest fare from Seoul to Portland?

Cheapest airline from Seoul to Portland: Air Premia, from €505 (checked 11 Oct 2026).

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