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$558+ Cheap flights from Helsinki (HEL) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SAN
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Helsinki to San Diego

Cheapest flights from Helsinki to San Diego
Explore the most affordable flight options available from Helsinki to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Sembo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:00 pm
HEL
-
SAN
2 stops18h 44m
Icelandair
Tue 9/152:50 pm
SAN
-
HEL
2 stops37h 10m
Icelandair
Deal found 7/24$910
This Turkish Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:20 am
HEL
-
SAN
2 stops45h 41m
Multiple Airlines
Tue 9/157:00 am
SAN
-
HEL
2 stops25h 40m
Multiple Airlines
Deal found 7/22$1,008
This Sembo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:00 pm
HEL
-
SAN
2 stops28h 10m
Icelandair
Tue 8/256:35 pm
SAN
-
HEL
2 stops33h 25m
Icelandair
Deal found 7/22$1,014
This Travelocity deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:00 pm
HEL
-
SAN
2 stops29h 46m
Multiple Airlines
Sun 9/206:15 am
SAN
-
HEL
2 stops21h 45m
Multiple Airlines
Deal found 7/23$1,052
This Ticket deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am
HEL
-
SAN
1 stop14h 50m
Multiple Airlines
Tue 9/2211:54 am
SAN
-
HEL
2 stops18h 46m
Multiple Airlines
Deal found 7/23$1,056
This Ticket deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
HEL
-
SAN
1 stop14h 50m
Air France
Tue 8/251:40 pm
SAN
-
HEL
1 stop18h 00m
Air France
Deal found 7/24$1,057
This Ticket deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am
HEL
-
SAN
1 stop14h 50m
Air France
Tue 9/221:40 pm
SAN
-
HEL
1 stop18h 00m
Air France
Deal found 7/23$1,060
This Ticket deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
HEL
-
SAN
1 stop14h 50m
KLM
Tue 9/151:40 pm
SAN
-
HEL
1 stop18h 00m
KLM
Deal found 7/24$1,062

Find flight deals from Helsinki to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$910
(Sembo)

One-way from

$558
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$1,085
Provider with most accurate pricing for Helsinki-Vantaa-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-San Diego flights.
Search Deals
From Helsinki-Vantaa to San Diego
Search Deals
One-way flight from Helsinki-Vantaa to San Diego
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helsinki to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Helsinki to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/17

12:05 pm-8:01 pm

2 stops41h 56m

San Diego

Tue 9/22

7:00 am-6:40 pm

2 stops25h 40m

$1,008

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 8/20

3:00 pm-9:10 am

2 stops28h 10m

San Diego

Tue 8/25

6:35 pm-2:00 pm

2 stops33h 25m

$1,025

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 9/11

3:00 pm-10:46 am

2 stops29h 46m

San Diego

Sun 9/20

6:15 am-2:00 pm

2 stops21h 45m

$1,052
Quickest round-trip

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 8/20

7:00 am-11:50 am

1 stop14h 50m

San Diego

Tue 8/25

1:40 pm-5:40 pm

1 stop18h 00m

$1,058

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/10

7:00 am-11:50 am

1 stop14h 50m

San Diego

Tue 9/15

1:40 pm-5:40 pm

1 stop18h 00m

$1,062

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 8/20

7:00 am-11:50 am

1 stop14h 50m

San Diego

Tue 8/25

11:30 am-4:40 pm

2 stops19h 10m

$1,074

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/10

7:00 am-11:50 am

1 stop14h 50m

San Diego

Tue 9/15

1:40 pm-5:40 pm

1 stop18h 00m

$1,078

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 9/11

6:00 am-3:25 pm

1 stop19h 25m

San Diego

Sun 9/20

2:24 pm-6:55 pm

2 stops18h 31m

$1,082

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/10

7:15 am-11:34 pm

3 stops26h 19m

San Diego

Tue 9/15

7:30 am-3:20 pm

2 stops21h 50m

$1,091

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 9/11

6:10 am-9:09 pm

2 stops24h 59m

San Diego

Sun 9/20

7:00 am-3:45 pm

3 stops22h 45m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 21 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Helsinki-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helsinki-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helsinki-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helsinki-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helsinki to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Helsinki with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helsinki to San Diego

What is the cheapest month to book a flight from Helsinki to San Diego?

Currently, September is the cheapest month in which you can book a flight from Helsinki to San Diego (average of $982). Flying from Helsinki to San Diego in January is currently the most expensive (average of $1,593). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Helsinki to San Diego?

Airfare is below average for this route at the moment.

Helsinki to San Diego flights typically cost between $1,043 and $1,316 in September.
The cheapest round-trip price found within the last 5 days was $910 on Icelandair (Sep 10-Sep 15).

Related info for your journey

Find useful and relevant information for your journey from Helsinki to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Helsinki to San Diego?

    A quick flight from Helsinki to San Diego can take about 14h 50m. Icelandair provides one of the quickest options available for as low as $1,058. The distance from Helsinki to San Diego is about 5655 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Helsinki to San Diego that include hotel bookings?

    Yes. In addition to deals on Helsinki to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helsinki to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helsinki to San Diego.

  • Can I find deals for business class flights from Helsinki to San Diego?

    Yes. Cheapflights offers flight deals from Helsinki to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helsinki to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Helsinki to San Diego (average of $982). Flying from Helsinki to San Diego in January is currently the most expensive (average of $1,593). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

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