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$484+ Cheap flights from San Diego (SAN) to Helsinki (HEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HEL
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 30, 2025.

Round-trip from

$484
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$1,014
From San Diego to Helsinki-Vantaa
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High demand for flights, 7% potential price rise
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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 30, 2025.

This American Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 11/58:40 amSAN - HEL
1 stop16h 05mAmerican Airlines
Wed 11/1212:30 pmHEL - SAN
1 stop21h 14mAmerican Airlines
Deal found 6/28$484
This Booking.com deal was found by Cheapflights users on 6/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:10 pmSAN - HEL
2 stops18h 20mAir Canada
Wed 11/126:50 amHEL - SAN
2 stops20h 34mAir Canada
Deal found 6/28$512
This United Airlines deal was found by Cheapflights users on 6/28. 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 11/510:23 amSAN - HEL
2 stops22h 17mUnited Airlines
Wed 11/126:50 amHEL - SAN
3 stops23h 38mUnited Airlines
Deal found 6/28$517
This Lufthansa deal was found by Cheapflights users on 6/29. 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.
Tue 12/95:35 pmSAN - HEL
1 stop15h 05mLufthansa
Mon 12/227:25 pmHEL - SAN
1 stop30h 20mLufthansa
Deal found 6/29$523
This lol.travel deal was found by Cheapflights users on 6/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/181:08 pmSAN - HEL
1 stop15h 07mFinnair
Wed 9/34:50 pmHEL - SAN
1 stop15h 46mFinnair
Deal found 6/29$527
This British Airways deal was found by Cheapflights users on 6/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:10 pmSAN - HEL
1 stop18h 55mBritish Airways
Fri 12/127:50 amHEL - SAN
2 stops21h 13mBritish Airways
Deal found 6/29$561
This Expedia deal was found by Cheapflights users on 6/29. 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 8/184:40 pmSAN - HEL
2 stops19h 25mMultiple Airlines
Wed 9/312:35 pmHEL - SAN
1 stop17h 45mMultiple Airlines
Deal found 6/29$570
This Scandinavian Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 8/183:59 pmSAN - HEL
3 stops21h 36mScandinavian Airlines
Wed 9/311:15 amHEL - SAN
2 stops21h 39mScandinavian Airlines
Deal found 6/29$577

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 30, 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 11/5

8:40 am-10:45 am

1 stop16h 05m

Helsinki-Vantaa

Wed 11/12

12:30 pm-11:44 pm

1 stop21h 14m

$484

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 11/5

12:10 pm-4:30 pm

2 stops18h 20m

Helsinki-Vantaa

Wed 11/12

6:50 am-5:24 pm

2 stops20h 34m

$512

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 11/5

10:23 am-6:40 pm

2 stops22h 17m

Helsinki-Vantaa

Wed 11/12

6:50 am-8:28 pm

3 stops23h 38m

$517

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Tue 12/9

5:35 pm-6:40 pm

1 stop15h 05m

Helsinki-Vantaa

Mon 12/22

7:25 pm-3:45 pm

1 stop30h 20m

$523

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 8/18

1:08 pm-2:15 pm

1 stop15h 07m

Helsinki-Vantaa

Wed 9/3

4:50 pm-10:36 pm

1 stop15h 46m

$527

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 12/5

6:10 pm-11:05 pm

1 stop18h 55m

Helsinki-Vantaa

Fri 12/12

7:50 am-7:03 pm

2 stops21h 13m

$561

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 8/18

4:40 pm-10:05 pm

2 stops19h 25m

Helsinki-Vantaa

Wed 9/3

12:35 pm-8:20 pm

1 stop17h 45m

$570

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 8/18

3:59 pm-11:35 pm

3 stops21h 36m

Helsinki-Vantaa

Wed 9/3

11:15 am-10:54 pm

2 stops21h 39m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 $1,084). 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 30, 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 June 30, 2025.
Get a feel of what it's like to fly with Finnair, United Airlines, and Scandinavian 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.
Finnair
7.6
Good
1,299 reviews

Boarding

7.6

Entertainment

6.8

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,299 reviews
Finnair
7.6
Good
1,299 reviews

Boarding

7.6

Entertainment

6.8

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
United Airlines
7.4
Good
8,852 reviews
Finnair
7.6
Good
1,299 reviews

Boarding

7.6

Entertainment

6.8

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Scandinavian Airlines
7.3
Good
1,413 reviews
Finnair
7.6
Good
1,299 reviews

Boarding

7.6

Entertainment

6.8

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,299 reviews

Boarding

7.6

Entertainment

6.8

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Air Canada
7.1
Good
9,654 reviews
Finnair
7.6
Good
1,299 reviews

Boarding

7.6

Entertainment

6.8

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

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 American Airlines. Our recent data shows that you can find tickets from as low as $484 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $512 and $517 round-trip. These flights start at 40% 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 $1,084). 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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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$490Average$849FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$527Average$730FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$576Average$876FlexibilityNo cancel feeOn-time76%
DeltaCheapest$663Average$745FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$668Average$1,049FlexibilityNo cancel feeOn-time71%

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