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$387+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SAN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$886
(Flysmarter)

One-way from

$387
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$966
From Helsinki-Vantaa to San Diego
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One-way flight from Helsinki-Vantaa to San Diego
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Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Flysmarter deal was found by Cheapflights users on 9/11. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:00 pmHEL - SAN
2 stops18h 53mMultiple Airlines
Tue 9/309:30 amSAN - HEL
2 stops18h 30mMultiple Airlines
Deal found 9/11$886
This Ticket deal was found by Cheapflights users on 9/11. 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.
Sun 10/266:50 amHEL - SAN
1 stop18h 55mLufthansa
Sun 11/25:35 pmSAN - HEL
1 stop15h 15mLufthansa
Deal found 9/11$908
This Travelis deal was found by Cheapflights users on 9/11. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:10 amHEL - SAN
2 stops23h 42mLufthansa
Tue 9/305:15 pmSAN - HEL
1 stop15h 40mLufthansa
Deal found 9/11$917
This Ticket deal was found by Cheapflights users on 9/10. 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 10/97:00 amHEL - SAN
1 stop15h 00mKLM
Tue 10/141:55 pmSAN - HEL
1 stop24h 25mKLM
Deal found 9/10$926
This Ticket deal was found by Cheapflights users on 9/10. 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 10/27:00 amHEL - SAN
1 stop15h 00mKLM
Thu 10/91:55 pmSAN - HEL
1 stop24h 25mKLM
Deal found 9/10$929
This Flysmarter deal was found by Cheapflights users on 9/11. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:00 amHEL - SAN
1 stop15h 00mKLM
Tue 9/301:55 pmSAN - HEL
1 stop24h 25mKLM
Deal found 9/11$936
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:55 amHEL - SAN
2 stops36h 26mUnited Airlines
Sun 11/25:15 amSAN - HEL
3 stops26h 35mUnited Airlines
Deal found 9/11$942
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:00 amHEL - SAN
2 stops18h 19mDelta
Tue 11/1110:00 amSAN - HEL
2 stops20h 25mDelta
Deal found 9/10$966

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 September 11, 2025.
Use the filters below to find and compare flights from Helsinki to San Diego that are best for you.

Fly from

Helsinki

Fly to

San Diego

Route

Depart

Return

Price

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/25

3:00 pm-11:53 pm

2 stops18h 53m

San Diego

Tue 9/30

9:30 am-2:00 pm

2 stops18h 30m

$886

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Sun 10/26

6:50 am-4:45 pm

1 stop18h 55m

San Diego

Sun 11/2

12:43 pm-6:50 pm

2 stops20h 07m

$908

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/25

6:10 am-7:52 pm

2 stops23h 42m

San Diego

Tue 9/30

5:15 pm-6:55 pm

1 stop15h 40m

$917

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 10/2

7:00 am-12:00 pm

1 stop15h 00m

San Diego

Thu 10/9

1:55 pm-12:20 am

1 stop24h 25m

$929

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 10/9

7:00 am-12:00 pm

1 stop15h 00m

San Diego

Tue 10/14

7:25 am-1:00 pm

2 stops19h 35m

$934

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/25

7:00 am-12:00 pm

1 stop15h 00m

San Diego

Tue 9/30

1:55 pm-12:20 am

1 stop24h 25m

$936

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Sun 10/26

6:55 am-10:21 am

2 stops36h 26m

San Diego

Sun 11/2

5:15 am-5:50 pm

3 stops26h 35m

$942

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 12/4

9:00 am-12:01 am

3 stops49h 01m

$387

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 12/5

8:15 am-9:48 am

2 stops35h 33m

$441

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 10/2

6:15 am-10:50 am

2 stops38h 35m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 11 results
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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, August is the cheapest month in which you can book a flight from Helsinki to San Diego (average of $286). Flying from Helsinki to San Diego in March is currently the most expensive (average of $366). 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?

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 15h. Lufthansa provides one of the quickest options available for as low as $929. 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, August is the cheapest month in which you can book a flight from Helsinki to San Diego (average of $286). Flying from Helsinki to San Diego in March is currently the most expensive (average of $366). 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
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

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