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$360+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$432
(Finnair)

One-way from

$360
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$721
From San Diego to Helsinki-Vantaa
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One-way flight from San Diego to Helsinki-Vantaa
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($42 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 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 September 15, 2025.

This Finnair deal was found by Cheapflights users on 9/15. 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.
Tue 10/147:15 amSAN - HEL
1 stop17h 30mMultiple Airlines
Tue 10/2112:35 pmHEL - SAN
1 stop15h 29mMultiple Airlines
Deal found 9/15$432
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/146:15 amSAN - HEL
2 stops18h 30mAmerican Airlines
Tue 10/2112:35 pmHEL - SAN
1 stop17h 38mAmerican Airlines
Deal found 9/15$436
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:35 pmSAN - HEL
1 stop15h 15mLufthansa
Mon 11/37:35 pmHEL - SAN
1 stop30h 10mLufthansa
Deal found 9/14$446
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:00 amSAN - HEL
2 stops20h 40mDelta
Tue 10/217:00 amHEL - SAN
1 stop15h 00mDelta
Deal found 9/14$473
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:02 amSAN - HEL
2 stops22h 48mUnited Airlines
Wed 11/512:45 pmHEL - SAN
2 stops20h 04mUnited Airlines
Deal found 9/14$478
This Finnair deal was found by Cheapflights users on 9/15. 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 11/79:42 amSAN - HEL
1 stop15h 03mMultiple Airlines
Tue 11/1812:30 pmHEL - SAN
1 stop15h 35mMultiple Airlines
Deal found 9/15$482
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:25 pmSAN - HEL
2 stops44h 25mAir Canada
Mon 11/2412:45 pmHEL - SAN
2 stops56h 53mAir Canada
Deal found 9/15$486
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:25 pmSAN - HEL
2 stops19h 05mAir Canada
Mon 11/312:45 pmHEL - SAN
2 stops56h 53mAir Canada
Deal found 9/14$509
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:59 pmSAN - HEL
2 stops23h 36mScandinavian Airlines
Tue 11/1811:20 amHEL - SAN
2 stops21h 35mScandinavian Airlines
Deal found 9/14$510
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:47 amSAN - HEL
2 stops17h 08mAmerican Airlines
Tue 11/1812:30 pmHEL - SAN
1 stop19h 50mAmerican Airlines
Deal found 9/14$512

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 September 15, 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

Wed 10/29

10:46 am-10:45 am

1 stop14h 59m

Helsinki-Vantaa

Wed 11/5

12:30 pm-10:20 pm

1 stop19h 50m

$432

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Tue 10/14

8:18 am-10:45 am

1 stop16h 27m

Helsinki-Vantaa

Tue 10/21

12:35 pm-8:13 pm

1 stop17h 38m

$432

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 10/29

6:35 pm-6:50 pm

1 stop15h 15m

Helsinki-Vantaa

Mon 11/3

7:35 pm-3:45 pm

1 stop30h 10m

$446

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Tue 10/14

10:00 am-4:40 pm

2 stops20h 40m

Helsinki-Vantaa

Tue 10/21

7:00 am-12:00 pm

1 stop15h 00m

$473

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 10/29

6:35 pm-6:50 pm

1 stop15h 15m

Helsinki-Vantaa

Wed 11/5

12:45 pm-10:49 pm

2 stops20h 04m

$473

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 11/17

2:16 pm-6:50 pm

2 stops18h 34m

Helsinki-Vantaa

Mon 11/24

7:35 pm-3:45 pm

1 stop30h 10m

$478

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 11/7

7:21 am-10:45 am

1 stop17h 24m

Helsinki-Vantaa

Tue 11/18

12:30 pm-6:05 pm

1 stop15h 35m

$482

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 11/7

3:59 pm-1:35 am

2 stops23h 36m

Helsinki-Vantaa

Tue 11/18

11:20 am-10:55 pm

2 stops21h 35m

$510

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 11/17

6:25 am-10:45 am

1 stop18h 20m

$360

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 11/17

6:15 am-4:25 pm

2 stops24h 10m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 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 $1,082). 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 September 15, 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.

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

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 September 15, 2025.
Get a feel of what it's like to fly with Delta, Finnair, and American Airlines from San Diego to Helsinki by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.
Finnair
7.6
Good
1,323 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.

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

    Airlines like Lufthansa and Delta fly from San Diego to Helsinki in about 15h 15m. The time it takes to get you to your destination can typically vary by up to 5h 25m. San Diego and Helsinki are separated by a distance of 5655 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from San Diego to Helsinki is American Airlines. Our recent data shows that you can find tickets from as low as $481 on this airline. Additional options worth looking into are Finnair and British Airways, starting at $490 and $527 round-trip. These flights start at 41% 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 $1,082). 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
Vantaa
Lahti

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Top 5 airlines flying from San Diego to Helsinki

Discover the top 5 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$481Average$1,008FlexibilityNo cancel feeOn-time71%
FinnairCheapest$490Average$849FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$527Average$739FlexibilityNo cancel feeOn-time70%
DeltaCheapest$560Average$734FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$576Average$797FlexibilityNo cancel feeOn-time76%

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