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$338+ Cheap flights from San Diego (SAN) to Helsinki (HEL)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HEL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from San Diego to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Helsinki (HEL). 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 12, 2025.

Round-trip from

$510
(Lufthansa)

One-way from

$338
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,014
From San Diego to Helsinki-Vantaa
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One-way flight from San Diego to Helsinki-Vantaa
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Highest demand for flights based on searches. 17% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 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 San Diego to Helsinki

Cheapest flights from San Diego to Helsinki
Explore the most affordable flight options available from San Diego to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:15 pmSAN - HEL
1 stop20h 35mLufthansa
Tue 8/266:10 amHEL - SAN
2 stops22h 13mLufthansa
Deal found 6/10$510
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:20 pmSAN - HEL
2 stops34h 35mUnited Airlines
Tue 8/266:10 amHEL - SAN
2 stops24h 38mUnited Airlines
Deal found 6/10$515
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/144:40 pmSAN - HEL
2 stops19h 55mBritish Airways
Thu 10/1612:35 pmHEL - SAN
1 stop21h 28mBritish Airways
Deal found 6/10$528
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/137:50 pmSAN - HEL
2 stops26h 50mMultiple Airlines
Wed 10/2212:35 pmHEL - SAN
1 stop17h 33mMultiple Airlines
Deal found 6/12$533
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:28 amSAN - HEL
2 stops17h 27mAmerican Airlines
Fri 12/1212:30 pmHEL - SAN
1 stop15h 10mAmerican Airlines
Deal found 6/10$536
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 7/156:15 amSAN - HEL
2 stops24h 25mDelta
Tue 10/147:00 amHEL - SAN
1 stop15h 00mDelta
Deal found 6/10$599

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Helsinki 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 12, 2025.
Use the filters below to find and compare flights from San Diego to Helsinki that are best for you.

Fly from

San Diego

Fly to

Helsinki

Route

Depart

Return

Price

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 8/11

5:15 pm-11:50 pm

1 stop20h 35m

Helsinki-Vantaa

Tue 8/26

6:10 am-6:23 pm

2 stops22h 13m

$510

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sat 7/26

10:20 pm-6:55 pm

2 stops34h 35m

Helsinki-Vantaa

Tue 8/26

6:10 am-8:48 pm

2 stops24h 38m

$515

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 7/14

4:40 pm-10:35 pm

2 stops19h 55m

Helsinki-Vantaa

Thu 10/16

12:35 pm-12:03 am

1 stop21h 28m

$528

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 7/13

7:50 pm-8:40 am

2 stops26h 50m

Helsinki-Vantaa

Wed 10/22

12:35 pm-8:08 pm

1 stop17h 33m

$533

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 12/5

10:28 am-1:55 pm

2 stops17h 27m

Helsinki-Vantaa

Fri 12/12

12:30 pm-5:40 pm

1 stop15h 10m

$536

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Tue 7/15

6:15 am-4:40 pm

2 stops24h 25m

Helsinki-Vantaa

Tue 10/14

7:00 am-12:00 pm

1 stop15h 00m

$599

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Tue 8/12

9:56 pm-4:10 pm

2 stops56h 14m

$338

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 8/11

5:15 pm-11:50 pm

1 stop20h 35m

$416

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 8/10

6:20 am-12:40 am

2 stops32h 20m

$424

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 8/28

8:18 am-10:45 am

1 stop16h 27m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
1
2

Best time to book a flight from San Diego to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from San Diego 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 San Diego to Helsinki

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

Currently, November is the cheapest month in which you can book a flight from San Diego to Helsinki (average of $444). Flying from San Diego to Helsinki in June is currently the most expensive (average of $1,081). 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 SAN to HEL?

Find hourly flight availability from San Diego to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from San Diego to Helsinki in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Helsinki by month

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

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

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

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Icelandair
7.0
Good
499 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.8
Okay
7,139 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Helsinki. 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 San Diego to Helsinki round-trip?

    Our cheapest airline available from San Diego to Helsinki is Lufthansa. Our recent data shows that you can find tickets from as low as $510 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $515 and $528 round-trip. These flights start at 38% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $416 on Lufthansa. Other airlines that offer cheap prices include United Airlines from $424 and American Airlines from $544 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Helsinki 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 San Diego to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from San Diego to Helsinki (average of $444). Flying from San Diego to Helsinki in June is currently the most expensive (average of $1,081). 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
Vantaa
Lahti

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Alternative routes for San Diego to Helsinki

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Top 6 airlines flying from San Diego to Helsinki

Discover the top 6 airlines that operate flights from San Diego to Helsinki. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$490Average$849FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$529Average$776FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$570Average$1,144FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$576Average$876FlexibilityNo cancel feeOn-time76%
DeltaCheapest$663Average$845FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$668Average$1,075FlexibilityNo cancel feeOn-time71%

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