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$284+ Cheap flights from San Jose, CA (SJC) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — HEL
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find flight deals from San Jose to Helsinki

Cheapest flights from San Jose to Helsinki
Explore the most affordable flight options available from San Jose to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This Delta deal was found by Cheapflights users on 10/14. 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.
Mon 10/277:15 amSJC - HEL
2 stops24h 10mDelta
Thu 10/307:00 amHEL - SJC
2 stops24h 58mDelta
Deal found 10/14$561
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Fri 11/76:40 pmSJC - HEL
2 stops38h 10mUnited Airlines
Thu 11/136:55 amHEL - SJC
2 stops25h 33mUnited Airlines
Deal found 10/13$565
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/288:45 amSJC - HEL
2 stops24h 05mUnited Airlines
Fri 12/512:45 pmHEL - SJC
2 stops39h 07mUnited Airlines
Deal found 10/14$621
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/266:40 pmSJC - HEL
2 stops39h 10mUnited Airlines
Wed 10/291:55 pmHEL - SJC
2 stops53h 10mUnited Airlines
Deal found 10/13$626
This United deal was found by Cheapflights users on 10/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:40 pmSJC - HEL
3 stops44h 40mMultiple Airlines
Thu 11/136:55 amHEL - SJC
2 stops23h 58mMultiple Airlines
Deal found 10/13$635
This Priceline deal was found by Cheapflights users on 10/13. 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.
Fri 11/76:00 amSJC - HEL
1 stop18h 45mFinnair
Thu 11/1312:30 pmHEL - SJC
1 stop18h 19mFinnair
Deal found 10/13$780
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 10/276:30 amSJC - HEL
2 stops21h 40mUnited Airlines
Thu 10/306:55 amHEL - SJC
3 stops22h 58mUnited Airlines
Deal found 10/14$867
This Travelis deal was found by Cheapflights users on 10/13. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 amSJC - HEL
1 stop18h 45mFinnair
Tue 11/1812:30 pmHEL - SJC
1 stop18h 18mFinnair
Deal found 10/13$875
This oojo deal was found by Cheapflights users on 10/13. 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.
Sun 11/168:10 amSJC - HEL
2 stops18h 45mIcelandair
Sat 11/221:55 pmHEL - SJC
2 stops20h 03mIcelandair
Deal found 10/13$1,059
This oojo deal was found by Cheapflights users on 10/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:29 amSJC - HEL
2 stops17h 31mIcelandair
Wed 10/223:00 pmHEL - SJC
2 stops16h 42mIcelandair
Deal found 10/14$1,108
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Sun 10/261:00 pmSJC - HEL
1 stop17h 20mMultiple Airlines
Wed 10/295:55 pmHEL - SJC
2 stops56h 39mMultiple Airlines
Deal found 10/13$1,216

Cheap flight deals from San Jose to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(Finnair)

One-way from

$284
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$750
Provider with most accurate pricing for San Jose-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Helsinki-Vantaa flights.
Search Deals
From San Jose to Helsinki-Vantaa
Search Deals
One-way flight from San Jose to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($207 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 October 14, 2025.
Use the filters below to find and compare flights from San Jose to Helsinki that are best for you.

Fly from

San Jose

Fly to

Helsinki

Route

Depart

Return

Price

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Sun 3/1

5:52 am-10:45 am

1 stop18h 53m

Helsinki-Vantaa

Sun 3/8

12:30 pm-8:46 pm

1 stop17h 16m

$526

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Mon 10/27

7:15 am-4:25 pm

2 stops24h 10m

Helsinki-Vantaa

Thu 10/30

7:00 am-10:58 pm

2 stops24h 58m

$561

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Thu 4/2

6:40 am-12:45 pm

2 stops20h 05m

Helsinki-Vantaa

Mon 4/6

12:40 pm-9:11 pm

2 stops42h 31m

$577

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Thu 4/2

9:05 am-4:40 pm

2 stops21h 35m

Helsinki-Vantaa

Mon 4/6

1:55 pm-4:20 pm

2 stops36h 25m

$611

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Sun 3/1

6:09 am-10:45 am

2 stops18h 36m

Helsinki-Vantaa

Sun 3/8

12:30 pm-8:46 pm

1 stop17h 16m

$621

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Fri 11/28

8:45 am-6:50 pm

2 stops24h 05m

Helsinki-Vantaa

Fri 12/5

12:45 pm-5:52 pm

2 stops39h 07m

$621

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Fri 11/7

6:40 pm-1:20 am

3 stops44h 40m

Helsinki-Vantaa

Thu 11/13

6:55 am-8:53 pm

2 stops23h 58m

$635

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Fri 1/2

6:00 am-10:45 am

1 stop18h 45m

Helsinki-Vantaa

Sat 1/24

12:30 pm-9:29 pm

1 stop18h 59m

$709

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Fri 1/2

6:10 am-10:45 am

2 stops18h 35m

Helsinki-Vantaa

Sat 1/24

12:30 pm-1:47 pm

1 stop35h 17m

$722

San JoseHelsinki

SJC - HEL

SJCHEL

San Jose

Fri 11/7

6:00 am-10:45 am

1 stop18h 45m

Helsinki-Vantaa

Thu 11/13

12:30 pm-8:49 pm

1 stop18h 19m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 22 results
1
2
3
  • Most accurate provider: When it comes to deals on San Jose, California-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-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 Jose, California-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 Jose to Helsinki

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

What is the cheapest month to book a flight from San Jose, California to Helsinki?

Currently, October is the cheapest month in which you can book a flight from San Jose, California to Helsinki (average of $493). Flying from San Jose, California to Helsinki in July is currently the most expensive (average of $911). 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 SJC to HEL?

Find hourly flight availability from San Jose 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 October 14, 2025.

One of the essential ways to save on airfare from San Jose, California to Helsinki is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 25% on airfare.

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 October 14, 2025.
Peruse reviews from past customers who have flown with American Airlines from San Jose to Helsinki to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,042 reviews

Crew

8.0

Overall

7.2

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,042 reviews
American Airlines
7.2
Good
11,042 reviews

Crew

8.0

Overall

7.2

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from San Jose 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 Jose, California to Helsinki?

    Delta, United Airlines, and American Airlines can get you from San Jose, California to Helsinki in just under 18h 36m. Your travel time can differ by up to 5h 34m. The distance between San Jose, California and Helsinki is about 5427 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from San Jose, California to Helsinki round-trip?

    Cheapflights users have booked flights from San Jose, California to Helsinki round-trip from $625. You may be able to fly from San Jose, California to Helsinki for 30% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Jose 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 Jose, California to Helsinki?

    Currently, October is the cheapest month in which you can book a flight from San Jose, California to Helsinki (average of $493). Flying from San Jose, California to Helsinki in July is currently the most expensive (average of $911). 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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Alternative routes for San Jose to Helsinki

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Top airline flying from San Jose to Helsinki

Discover the top airline that operate flights from San Jose 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$625Average$1,118FlexibilityNo cancel feeOn-time71%

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