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$352+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HEL
Jan 5 — Jan 121
Mon 1/5
Mon 1/12
1 adult, Economy
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Cheap 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 December 6, 2025.

This Expedia deal was found by Cheapflights users on 12/4. 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.
Fri 12/57:00 amSAN - HEL
2 stops23h 50mLufthansa
Fri 12/127:35 pmHEL - SAN
2 stops34h 17mLufthansa
Deal found 12/4$718
This Cheapflightsfares deal was found by Cheapflights users on 12/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:20 pmSAN - HEL
2 stops29h 35mIcelandair
Wed 12/171:55 pmHEL - SAN
2 stops19h 02mIcelandair
Deal found 12/5$950
This Trip.com deal was found by Cheapflights users on 12/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:47 amSAN - HEL
1 stop13h 58mMultiple Airlines
Fri 12/124:50 pmHEL - SAN
1 stop30h 04mMultiple Airlines
Deal found 12/4$1,126
This Ovago deal was found by Cheapflights users on 12/5. 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.
Sat 12/69:05 pmSAN - HEL
1 stop30h 50mMultiple Airlines
Wed 12/1712:30 pmHEL - SAN
1 stop17h 46mMultiple Airlines
Deal found 12/5$1,130
This Delta deal was found by Cheapflights users on 12/4. 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.
Sat 12/67:10 amSAN - HEL
2 stops23h 15mDelta
Thu 12/187:00 amHEL - SAN
2 stops22h 17mDelta
Deal found 12/4$1,188
This CheapOair deal was found by Cheapflights users on 12/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:05 pmSAN - HEL
1 stop30h 50mMultiple Airlines
Thu 12/187:25 amHEL - SAN
2 stops26h 34mMultiple Airlines
Deal found 12/4$1,254
This oojo deal was found by Cheapflights users on 12/5. 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.
Sat 12/612:43 pmSAN - HEL
2 stops22h 27mBritish Airways
Thu 12/187:50 amHEL - SAN
2 stops22h 09mBritish Airways
Deal found 12/5$1,498
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/68:45 amSAN - HEL
2 stops30h 35mUnited Airlines
Thu 12/186:55 amHEL - SAN
3 stops23h 53mUnited Airlines
Deal found 12/4$1,552

Find 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 December 6, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$469
(oojo)

One-way from

$352
(Lufthansa)

Popular in

December

Cheapest in

October

Average price

$1,089
Provider with most accurate pricing for San Diego-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Helsinki-Vantaa flights.
Search Deals
From San Diego to Helsinki-Vantaa
Search Deals
One-way flight from San Diego to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 6, 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

Fri 1/30

6:00 pm-10:40 am

2 stops54h 40m

Helsinki-Vantaa

Thu 2/12

12:30 pm-10:06 pm

1 stop19h 36m

$469

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 2/6

5:35 pm-6:50 pm

1 stop15h 15m

Helsinki-Vantaa

Tue 2/10

7:05 am-10:46 am

2 stops37h 41m

$493

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 1/22

4:00 pm-1:20 am

2 stops23h 20m

Helsinki-Vantaa

Sat 1/31

6:55 am-6:44 pm

2 stops21h 49m

$495

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 1/29

2:55 pm-1:35 am

2 stops24h 40m

Helsinki-Vantaa

Wed 2/11

6:15 am-10:47 pm

2 stops26h 32m

$525

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 1/22

2:55 pm-11:45 pm

3 stops22h 50m

Helsinki-Vantaa

Sat 1/31

6:15 am-9:05 pm

2 stops24h 50m

$540

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 1/30

2:55 pm-1:35 am

2 stops24h 40m

Helsinki-Vantaa

Thu 2/12

7:00 am-11:04 pm

3 stops26h 04m

$540

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Fri 2/6

10:45 am-1:35 am

2 stops28h 50m

Helsinki-Vantaa

Tue 2/10

6:15 am-9:05 pm

2 stops24h 50m

$545

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 2/15

5:35 pm-6:50 pm

1 stop15h 15m

$352

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 2/15

9:59 pm-12:20 pm

3 stops52h 21m

$377

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 2/15

10:37 am-4:25 pm

2 stops19h 48m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
MytripPrice 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Diego-Helsinki flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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

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 December 6, 2025.

It’s typically best to fly out from San Diego to Helsinki in the afternoon. Doing so could potentially save you 19% 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 December 6, 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
7.9
Good
8,010 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

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
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

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
1,334 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

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
11,043 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

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
7,616 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

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
7,562 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Comfort

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 British Airways, United Airlines, and Lufthansa 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 39h 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 Lufthansa. Our recent data shows that you can find tickets from as low as $473 on this airline. Additional options worth looking into are American Airlines and Finnair, starting at $481 and $490 round-trip. These flights start at 42% 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.

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 December 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$473Average$810FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$481Average$913FlexibilityNo cancel feeOn-time71%
FinnairCheapest$490Average$793FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$527Average$791FlexibilityNo cancel feeOn-time70%
DeltaCheapest$560Average$734FlexibilityNo cancel feeOn-timeN/A

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