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$558+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HEL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Helsinki-Vantaa are usually found in January or November, booked 84 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$692
(oojo)

One-way from

$558
(Finnair)

Popular in

May

Cheapest in

January

Average price

$820
Provider with most accurate pricing for San Diego-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for San Diego-Helsinki-Vantaa flights.
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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. 16% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Finnair deal was found by Cheapflights users on 3/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/206:15 amSAN - HEL
1 stop22h 00mFinnair
Tue 5/64:25 pmHEL - SAN
1 stop17h 34mFinnair
Deal found 3/24$607
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/206:15 amSAN - HEL
1 stop22h 00mAmerican Airlines
Tue 5/612:35 pmHEL - SAN
2 stops19h 01mAmerican Airlines
Deal found 3/24$621
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2010:00 amSAN - HEL
2 stops20h 40mDelta
Tue 5/67:15 amHEL - SAN
2 stops22h 49mDelta
Deal found 3/24$644
This Finnair deal was found by Cheapflights users on 3/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:48 amSAN - HEL
1 stop13h 57mMultiple Airlines
Fri 10/312:35 pmHEL - SAN
1 stop15h 01mMultiple Airlines
Deal found 3/24$679
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:22 amSAN - HEL
2 stops21h 58mBritish Airways
Thu 9/2512:35 pmHEL - SAN
1 stop19h 12mBritish Airways
Deal found 3/25$692
This KLM deal was found by Cheapflights users on 3/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/137:25 amSAN - HEL
2 stops19h 35mKLM
Sun 4/207:00 amHEL - SAN
2 stops19h 11mKLM
Deal found 3/24$705
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/65:15 pmSAN - HEL
1 stop20h 35mLufthansa
Sun 4/137:40 pmHEL - SAN
1 stop29h 45mLufthansa
Deal found 3/23$726
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/65:15 pmSAN - HEL
1 stop15h 40mUnited Airlines
Sun 4/136:10 amHEL - SAN
2 stops26h 19mUnited Airlines
Deal found 3/23$729
This Air France deal was found by Cheapflights users on 3/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:55 pmSAN - HEL
1 stop24h 25mAir France
Fri 10/36:40 amHEL - SAN
2 stops19h 26mAir France
Deal found 3/24$796
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:55 pmSAN - HEL
1 stop31h 00mAlaska Airlines
Sun 5/254:40 pmHEL - SAN
1 stop17h 19mAlaska Airlines
Deal found 3/25$891
This Gurufare deal was found by Cheapflights users on 3/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:05 amSAN - HEL
2 stops18h 20mScandinavian Airlines
Wed 10/111:15 amHEL - SAN
2 stops16h 44mScandinavian Airlines
Deal found 3/25$915
This Ovago deal was found by Cheapflights users on 3/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:40 amSAN - HEL
2 stops17h 20mIcelandair
Thu 10/23:00 pmHEL - SAN
2 stops17h 49mIcelandair
Deal found 3/25$1,085

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 March 26, 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

Sun 4/20

6:15 am-2:15 pm

1 stop22h 00m

Helsinki-Vantaa

Tue 5/6

4:25 pm-11:59 pm

1 stop17h 34m

$607

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 4/20

6:15 am-2:15 pm

1 stop22h 00m

Helsinki-Vantaa

Tue 5/6

12:35 pm-9:36 pm

2 stops19h 01m

$621

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 4/20

10:00 am-4:40 pm

2 stops20h 40m

Helsinki-Vantaa

Tue 5/6

7:15 am-8:04 pm

2 stops22h 49m

$644

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 9/19

10:48 am-10:45 am

1 stop13h 57m

Helsinki-Vantaa

Fri 10/3

12:35 pm-5:36 pm

1 stop15h 01m

$679

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 9/18

6:22 am-2:20 pm

2 stops21h 58m

Helsinki-Vantaa

Thu 9/25

12:35 pm-9:47 pm

1 stop19h 12m

$692

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 4/13

7:25 am-1:00 pm

2 stops19h 35m

Helsinki-Vantaa

Sun 4/20

7:00 am-4:11 pm

2 stops19h 11m

$705

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 4/6

5:15 pm-11:50 pm

1 stop20h 35m

Helsinki-Vantaa

Sun 4/13

7:40 pm-3:25 pm

1 stop29h 45m

$726

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 4/6

5:15 pm-6:55 pm

1 stop15h 40m

Helsinki-Vantaa

Sun 4/13

6:10 am-10:29 pm

2 stops26h 19m

$729

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 9/18

1:55 pm-12:20 am

1 stop24h 25m

Helsinki-Vantaa

Fri 10/3

6:40 am-4:06 pm

2 stops19h 26m

$796

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 5/7

7:55 pm-12:55 pm

1 stop31h 00m

Helsinki-Vantaa

Sun 5/25

4:40 pm-11:59 pm

1 stop17h 19m

$891

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 14 results
1
2

Compare providers for flights from San Diego to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Helsinki in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Helsinki 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 San Diego-Helsinki 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 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

How far ahead should I book a flight from San Diego to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Helsinki. Price data was last updated on March 21, 2025.

The price you pay for your flight from San Diego to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $1,136). 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 March 26, 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 March 26, 2025.
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,789 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,891 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
KLM
7.8
Good
1,318 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Finnair
7.6
Good
1,266 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air France
7.4
Good
1,423 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 British Airways. Our recent data shows that you can find tickets from as low as $692 on this airline. Additional options worth looking into are KLM and Alaska Airlines, starting at $780 and $891 round-trip. These flights start at 26% lower than the current average price 3 months from now.

  • 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 $1,136). 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
Espoo
Lahti

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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$529Average$971FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$576Average$1,133FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$668Average$1,191FlexibilityNo cancel feeOn-time71%
DeltaCheapest$683Average$845FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$708Average$1,475FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$815Average$1,155FlexibilityNo cancel feeOn-time69%
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