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$583+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SAN
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$926
(Ticket)

One-way from

$583
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$1,021
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. 3% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This Ticket deal was found by Cheapflights users on 6/16. 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.
Mon 8/111:55 pmHEL - SAN
1 stop32h 05mKLM
Sun 8/171:55 pmSAN - HEL
1 stop17h 45mKLM
Deal found 6/16$926
This Ticket deal was found by Cheapflights users on 6/16. 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.
Mon 8/116:25 pmHEL - SAN
1 stop27h 35mAir France
Sun 8/178:00 amSAN - HEL
2 stops19h 00mAir France
Deal found 6/16$927
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 8/116:10 amHEL - SAN
2 stops27h 34mUnited Airlines
Sun 8/1710:30 pmSAN - HEL
2 stops32h 10mUnited Airlines
Deal found 6/16$933
This Travelis deal was found by Cheapflights users on 6/14. 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 7/246:10 amHEL - SAN
2 stops23h 41mLufthansa
Tue 7/295:15 pmSAN - HEL
1 stop15h 40mLufthansa
Deal found 6/14$935
This Iberia deal was found by Cheapflights users on 6/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:35 pmHEL - SAN
1 stop17h 29mMultiple Airlines
Sun 8/104:40 pmSAN - HEL
1 stop15h 10mMultiple Airlines
Deal found 6/13$1,036
This Travelis deal was found by Cheapflights users on 6/16. 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.
Mon 8/114:50 pmHEL - SAN
1 stop35h 24mFinnair
Sun 8/171:08 pmSAN - HEL
1 stop15h 07mFinnair
Deal found 6/16$1,150
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:05 amHEL - SAN
1 stop16h 55mAmerican Airlines
Mon 7/216:15 amSAN - HEL
1 stop18h 30mAmerican Airlines
Deal found 6/13$1,214
This Scandinavian Airlines deal was found by Cheapflights users on 6/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2411:15 amHEL - SAN
2 stops22h 27mScandinavian Airlines
Tue 7/296:30 amSAN - HEL
3 stops24h 00mScandinavian Airlines
Deal found 6/14$1,503

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 June 16, 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

Mon 8/11

1:55 pm-12:00 pm

1 stop32h 05m

San Diego

Sun 8/17

1:55 pm-5:40 pm

1 stop17h 45m

$926

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Mon 8/11

6:25 pm-12:00 pm

1 stop27h 35m

San Diego

Sun 8/17

8:00 am-1:00 pm

2 stops19h 00m

$927

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Mon 8/11

6:10 am-11:44 pm

2 stops27h 34m

San Diego

Sun 8/17

10:30 pm-4:40 pm

2 stops32h 10m

$933

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 7/24

6:10 am-7:51 pm

2 stops23h 41m

San Diego

Tue 7/29

5:15 pm-6:55 pm

1 stop15h 40m

$935

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Mon 8/4

12:35 pm-8:04 pm

1 stop17h 29m

San Diego

Sun 8/10

4:40 pm-5:50 pm

1 stop15h 10m

$1,036

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Mon 8/11

4:50 pm-6:14 pm

1 stop35h 24m

San Diego

Sun 8/17

1:08 pm-2:15 pm

1 stop15h 07m

$1,150

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Mon 7/14

11:05 am-6:00 pm

1 stop16h 55m

San Diego

Mon 7/21

6:15 am-10:45 am

1 stop18h 30m

$1,214

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 7/24

11:15 am-11:42 pm

2 stops22h 27m

San Diego

Tue 7/29

6:30 am-4:30 pm

3 stops24h 00m

$1,503

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Wed 6/25

2:05 pm-11:59 pm

3 stops43h 54m

$583

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Sat 6/28

9:05 pm-5:54 pm

2 stops30h 49m

$905

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 12 results
1
2

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.

What is the cheapest time of day to fly from HEL to SAN?

Find hourly flight availability from Helsinki to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Helsinki to San Diego as you normally would.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated June 16, 2025.
KLM
7.8
Good
1,361 reviews

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,361 reviews
KLM
7.8
Good
1,361 reviews

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Finnair
7.6
Good
1,291 reviews
KLM
7.8
Good
1,361 reviews

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,466 reviews
KLM
7.8
Good
1,361 reviews

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,801 reviews
KLM
7.8
Good
1,361 reviews

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Scandinavian Airlines
7.3
Good
1,393 reviews
KLM
7.8
Good
1,361 reviews

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.2

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines flying from Helsinki to San Diego round-trip?

    According to our current data, KLM ($926), Air France ($927), and United Airlines ($933) offers the cheapest pricing from Helsinki to San Diego. You may be able to fly from Helsinki to San Diego for 6% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Helsinki to San Diego one-way?

    The cheapest airlines for a one-way flight from Helsinki to San Diego are Finnair ($905), British Airways ($969), and Lufthansa ($1,394).

  • 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 Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Helsinki to San Diego

Discover the top airline that operate flights from Helsinki to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$849Average$862FlexibilityNo cancel feeOn-time76%

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