Your next trip, last seen at €398
Lowest observedNorwegian Air International · 3 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
- €398, departing 22 Jan 2027 (Last checked: 11 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 115Check live prices for this route
- Airlines seen
- Air France, Alaska Airlines, Eurowings, Finnair, Frontier Airlines, Icelandair +6 more
- Typical journey time
- 31h 40m
About this route
Explore the fares we observed from Helsinki to San Diego. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,121 km
- Typical journey time
- 31h 40m
- Airlines seen
- Air France, Alaska Airlines, Eurowings, Finnair, Frontier Airlines, Icelandair +6 more
- Seen on fares with a connection
- Finnair, Icelandair, Norwegian Air International, SAS, Turkish Airlines, Frontier Airlines +3 more
- Alternative airports
- 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
- Helsinki Vantaa (HEL) → Helsinki, city gazetteer reference point (60.1699, 24.9384): ≈ 16 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 Helsinki to San Diego: January 2027, from €398 (checked 11 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €590 | 19 |
| November 2026 | €497 | 28 |
| December 2026 | €573 | 30 |
| January 2027 | €398 | 28 |
| February 2027 | €410 | 10 |
Lowest fare by day of the week
Cheapest day of the week from Helsinki to San Diego: Friday, from €398 (checked 11 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €406 | 17 |
| Tuesday | €406 | 17 |
| Wednesday | €410 | 18 |
| Thursday | €417 | 17 |
| Friday | €398 | 16 |
| Saturday | €511 | 15 |
| Sunday | €424 | 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 fare by days before departure
Lowest fare from Helsinki to San Diego by days until departure (61 days or more): €398 (checked 11 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €793 | 7 |
| 8 to 30 days | €497 | 23 |
| 31 to 60 days | €497 | 28 |
| 61 days or more | €398 | 57 |
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 Helsinki to San Diego: Norwegian Air International, from €398 (checked 11 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Norwegian Air International | €398Jan 22, 2027 | 20 |
| KLM | €406Jan 12, 2027 | 4 |
| SAS | €406Jan 18, 2027 | 14 |
| Frontier Airlines | €417Feb 9, 2027 | 4 |
| Icelandair | €497Nov 2, 2026 | 25 |
| Alaska Airlines | €524Nov 13, 2026 | 3 |
| Finnair | €540Jan 23, 2027 | 32 |
| Turkish Airlines | €590Oct 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 Helsinki to San Diego?
The lowest fare we have observed is €398, 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 Helsinki to San Diego?
Cheapest month from Helsinki to San Diego: January 2027, from €398 (checked 11 Oct 2026).
Are there direct flights from Helsinki to San Diego?
Our data holds no non-stop flight from Helsinki to San Diego. The fares on this page include at least one stop.
Which airlines fly from Helsinki to San Diego?
These are the carriers we have seen on the route: Air France, Alaska Airlines, Eurowings, Finnair, Frontier Airlines, Icelandair +6 more.
How long does the flight from Helsinki to San Diego take?
The average journey time across the 115 fares we observed is 34h 23m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Helsinki to San Diego fares were non-stop?
None of the 115 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 Helsinki to San Diego?
Cheapest day of the week from Helsinki to San Diego: Friday, from €398 (checked 11 Oct 2026).
Which airline has the lowest fare from Helsinki to San Diego?
Cheapest airline from Helsinki to San Diego: Norwegian Air International, from €398 (checked 11 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: 11 Oct 2026