Your next trip, last seen at €420
Lowest observedFrontier Airlines · 2 stops · One wayWhen 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.
- Lowest observed
- €420, departing 28 Oct 2026 (Last checked: 6 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 76Check live prices for this route
- Airlines seen
- Air Canada, Air Premia, Alaska Airlines, Asiana Airlines, Delta Air Lines, Flair Airlines +7 more
- Typical journey time
- 16h 12m
About this route
Explore the fares we observed from Seoul to San Diego. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,762 km
- Typical journey time
- 16h 12m
- Airlines seen
- Air Canada, Air Premia, Alaska Airlines, Asiana Airlines, Delta Air Lines, Flair Airlines +7 more
- Seen on fares with a connection
- Alaska Airlines, Air Premia, United Airlines, Air Canada, Frontier Airlines, Korean Air +3 more
- Alternative airports
- GMP, CLD
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.
- San Diego International Airport (SAN) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 4 km.
- McClellan-Palomar Airport (CLD) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 47 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 San Diego: October 2026, from €420 (checked 6 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €420 | 19 |
| November 2026 | €486 | 29 |
| December 2026 | €465 | 28 |
Lowest fare by day of the week
Cheapest day of the week from Seoul to San Diego: Wednesday, from €420 (checked 6 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €469 | 11 |
| Tuesday | €442 | 11 |
| Wednesday | €420 | 11 |
| Thursday | €460 | 11 |
| Friday | €475 | 11 |
| Saturday | €465 | 10 |
| Sunday | €477 | 11 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Seoul to San Diego by days until departure (8 to 30 days): €420 (checked 6 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €478 | 8 |
| 8 to 30 days | €420 | 23 |
| 31 to 60 days | €465 | 29 |
| 61 days or more | €465 | 16 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Seoul to San Diego: Frontier Airlines, from €420 (checked 6 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €420Oct 28, 2026 | 4 |
| Air Premia | €465Dec 9, 2026 | 24 |
| Alaska Airlines | €489Oct 25, 2026 | 22 |
| United Airlines | €529Nov 5, 2026 | 16 |
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 Diego?
The lowest fare we have observed is €420, found on 6 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seoul to San Diego?
Cheapest month from Seoul to San Diego: October 2026, from €420 (checked 6 Oct 2026).
Are there direct flights from Seoul to San Diego?
Our data holds no non-stop flight from Seoul to San Diego. The fares on this page include at least one stop.
Which airlines fly from Seoul to San Diego?
These are the carriers we have seen on the route: Air Canada, Air Premia, Alaska Airlines, Asiana Airlines, Delta Air Lines, Flair Airlines +7 more.
How long does the flight from Seoul to San Diego take?
The average journey time across the 81 fares we observed is 21h 51m, 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 Diego fares were non-stop?
None of the 82 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 San Diego?
Cheapest day of the week from Seoul to San Diego: Wednesday, from €420 (checked 6 Oct 2026).
Which airline has the lowest fare from Seoul to San Diego?
Cheapest airline from Seoul to San Diego: Frontier Airlines, from €420 (checked 6 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 6 Oct 2026