Your next trip, last seen at €1,204
Above averageKorean Air · 1 stop · 14 nightsWhen to fly
Explore datesMore dates worth a look
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.
- Airlines seen
- Air Premia, Alaska Airlines, Asiana Airlines, Cathay Pacific, China Southern, Eastar Jet +9 more
- Typical journey time
- 17h 44m
About this route
Explore the fares we observed from Seoul to San Jose. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,096 km
- Typical journey time
- 17h 44m
- Airlines seen
- Air Premia, Alaska Airlines, Asiana Airlines, Cathay Pacific, China Southern, Eastar Jet +9 more
- Seen on fares with a connection
- Alaska Airlines, Asiana Airlines, Korean Air, United Airlines, Air Premia, Eastar Jet +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
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.
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 one-way fare we saw per airline
Cheapest airline from Seoul to San Jose: Alaska Airlines, from €513 (checked 30 Sep 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Alaska Airlines | €513Oct 18, 2026 | 23 |
| Asiana Airlines | €531Nov 5, 2026 | 12 |
| Air Premia | €596Oct 26, 2026 | 4 |
| Korean Air | €880Oct 28, 2026 | 3 |
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 San Jose?
The lowest fare we have observed is €440, found on 30 Sep 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seoul to San Jose?
In our observations October 2026 is the cheapest month so far, at €440.
Are there direct flights from Seoul to San Jose?
Our data holds no non-stop flight from Seoul to San Jose. The fares on this page include at least one stop.
Which airlines fly from Seoul to San Jose?
These are the carriers we have seen on the route: Air Premia, Alaska Airlines, Asiana Airlines, Cathay Pacific, China Southern, Eastar Jet +9 more.
How long does the flight from Seoul to San Jose take?
The average journey time across the 57 fares we observed is 22h 03m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seoul to San Jose fares were non-stop?
None of the 60 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Seoul to San Jose?
Cheapest airline from Seoul to San Jose: Alaska Airlines, from €513 (checked 30 Sep 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
Similar routes
More routes from Seoul
Show all 30 routes →Show fewer ↑
More routes to San Jose
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.
Last checked: 8 Oct 2026