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$310+ Cheap flights from California 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — HEL
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from California to Helsinki

Keep the following information in mind while searching for California to Helsinki flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(Finnair)

One-way from

$310
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$722

Good round-trip deal

$632 or less

Good one-way deal

$494 or less
Provider with most accurate pricing for Los Angeles-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Helsinki-Vantaa flights.
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From California to Helsinki-Vantaa
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One-way flight from California to Helsinki-Vantaa
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Highest demand for flights based on searches. 21% potential increase in price ($238 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from California to Helsinki-Vantaa.
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Price to beat on a one-way flight from California to Helsinki-Vantaa.
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Find flight deals from California to Helsinki

Cheapest flights from California to Helsinki
Explore the most affordable flight options available from California to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Finnair deal was found by Cheapflights users on 4/1. 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 4/2912:07 pmSMF - HEL
1 stop17h 13mMultiple Airlines
Tue 5/134:00 pmHEL - SMF
1 stop15h 37mMultiple Airlines
Deal found 4/1$559
This Finnair deal was found by Cheapflights users on 4/1. 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 4/291:07 pmSFO - HEL
1 stop15h 08mFinnair
Tue 5/64:25 pmHEL - SFO
1 stop17h 24mFinnair
Deal found 4/1$559
This American Airlines deal was found by Cheapflights users on 4/1. 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 4/2710:54 amONT - HEL
1 stop13h 51mAmerican Airlines
Tue 5/1312:35 pmHEL - ONT
1 stop16h 01mAmerican Airlines
Deal found 4/1$612
This oojo deal was found by Cheapflights users on 4/1. 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 9/176:45 pmSFO - HEL
1 stop30h 55mTurkish Airlines
Tue 9/307:35 pmHEL - SFO
1 stop25h 00mTurkish Airlines
Deal found 4/1$614
This Expedia deal was found by Cheapflights users on 4/1. 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.
Tue 4/298:35 amSFO - HEL
2 stops20h 40mMultiple Airlines
Tue 5/66:35 amHEL - SFO
2 stops20h 40mMultiple Airlines
Deal found 4/1$615
This American Airlines deal was found by Cheapflights users on 4/1. 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 4/271:21 pmLAX - HEL
1 stop14h 54mAmerican Airlines
Tue 5/1312:35 pmHEL - LAX
1 stop16h 52mAmerican Airlines
Deal found 4/1$621
This Expedia deal was found by Cheapflights users on 4/1. 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.
Tue 4/298:35 amSFO - HEL
2 stops20h 40mBritish Airways
Tue 5/611:05 amHEL - SFO
1 stop16h 10mBritish Airways
Deal found 4/1$630
This Delta deal was found by Cheapflights users on 4/1. 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 4/297:05 amSFO - HEL
2 stops19h 45mDelta
Tue 5/67:15 amHEL - SFO
2 stops21h 28mDelta
Deal found 4/1$633
This Finnair deal was found by Cheapflights users on 4/1. 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 4/276:45 pmLAX - HEL
Nonstop10h 35mFinnair
Tue 5/134:00 pmHEL - LAX
Nonstop11h 05mFinnair
Deal found 4/1$634
This oojo deal was found by Cheapflights users on 4/1. 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.
Tue 4/2911:12 amSMF - HEL
2 stops18h 03mBritish Airways
Tue 5/1311:05 amHEL - SMF
2 stops23h 25mBritish Airways
Deal found 4/1$639
This United deal was found by Cheapflights users on 4/1. 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.
Tue 11/45:30 pmLAX - HEL
1 stop15h 10mUnited Airlines
Tue 11/187:00 amHEL - LAX
2 stops22h 17mUnited Airlines
Deal found 4/1$642
This Delta deal was found by Cheapflights users on 4/1. 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 4/271:50 pmLAX - HEL
1 stop17h 50mDelta
Tue 5/137:15 amHEL - LAX
2 stops21h 00mDelta
Deal found 4/1$644

Cheapflights Fare Finder

Customize your flight search to find flights from California 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 April 2, 2025.
Use the filters below to find and compare flights from California to Helsinki that are best for you.

Fly from

California

Fly to

Helsinki

Route

Depart

Return

Price

SacramentoHelsinki

SMF - HEL

SMFHEL

Sacramento Intl

Tue 4/29

12:07 pm-3:20 pm

1 stop17h 13m

Helsinki-Vantaa

Tue 5/13

4:00 pm-9:37 pm

1 stop15h 37m

$559

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Tue 4/29

1:07 pm-2:15 pm

1 stop15h 08m

Helsinki-Vantaa

Tue 5/6

4:25 pm-11:49 pm

1 stop17h 24m

$559

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 4/27

10:54 am-10:45 am

1 stop13h 51m

Helsinki-Vantaa

Tue 5/13

12:35 pm-6:36 pm

1 stop16h 01m

$612

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Wed 9/17

6:45 pm-11:40 am

1 stop30h 55m

Helsinki-Vantaa

Tue 9/30

7:35 pm-10:35 am

1 stop25h 00m

$614

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Tue 4/29

8:35 am-3:15 pm

2 stops20h 40m

Helsinki-Vantaa

Tue 5/6

6:35 am-5:15 pm

2 stops20h 40m

$615

Los AngelesHelsinki

LAX - HEL

LAXHEL

Los Angeles

Sun 4/27

1:21 pm-2:15 pm

1 stop14h 54m

Helsinki-Vantaa

Tue 5/13

12:35 pm-7:27 pm

1 stop16h 52m

$621

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Tue 4/29

8:35 am-3:15 pm

2 stops20h 40m

Helsinki-Vantaa

Tue 5/6

11:05 am-5:15 pm

1 stop16h 10m

$630

San FranciscoHelsinki

SFO - HEL

SFOHEL

San Francisco

Tue 4/29

7:05 am-12:50 pm

2 stops19h 45m

Helsinki-Vantaa

Tue 5/6

7:15 am-6:43 pm

2 stops21h 28m

$633

Los AngelesHelsinki

LAX - HEL

LAXHEL

Los Angeles

Sun 4/27

6:45 pm-3:20 pm

Nonstop10h 35m

Helsinki-Vantaa

Tue 5/13

4:00 pm-5:05 pm

Nonstop11h 05m

$634

SacramentoHelsinki

SMF - HEL

SMFHEL

Sacramento Intl

Tue 4/29

11:12 am-3:15 pm

2 stops18h 03m

Helsinki-Vantaa

Tue 5/13

11:05 am-12:30 am

2 stops23h 25m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results
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Best time to book a flight from California to Helsinki

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

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

Currently, November is the cheapest month in which you can book a flight from California to Helsinki (average of $444). Flying from California to Helsinki in June is currently the most expensive (average of $1,123). 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 CA to HEL?

Find hourly flight availability from California 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 April 2, 2025.

When flying from California to Helsinki, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 2, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM from California to Helsinki to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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.
Alaska Airlines
8.0
Very good
9,823 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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.
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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 California to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helsinki from California?

    Most people fly into Helsinki-Vantaa (HEL) if they book a flight to Helsinki from California. Helsinki-Vantaa is conveniently located just 10.6 mi from Helsinki’s city center.

  • How popular is this California to Helsinki flight route?

    Flights from California to Helsinki-Vantaa have been viewed 29 times in the past calendar month.

  • What are the cheapest airlines to fly from California to Helsinki one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $479. However, be on the lookout for offers from KLM and American Airlines, as they are both options that can get you from California to Helsinki for a low price.

  • What are the most popular routes from California to Helsinki?

    The most popular route from California to Helsinki is Los Angeles - Helsinki-Vantaa. You may also consider San Francisco - Helsinki-Vantaa or San Jose - Helsinki-Vantaa.

  • What are the most reliable airlines from California to Helsinki?

    Before booking your flight to Helsinki from California, check out the most reliable airlines to get you to your destination on time: American Airlines (44%), Alaska Airlines (44%), Finnair( 44%).

  • What are the cheapest flights from California to Helsinki?

    Looking at all options, your cheapest flight can be booked for $425. While the most popular route (Los Angeles - Helsinki-Vantaa) can be booked for $534 on average our data indicates $1,954 when flying from California to Helsinki.

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

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

  • How can I find direct flights from California to Helsinki?

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

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

    Yes. Cheapflights offers flight deals from California 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 California to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from California to Helsinki (average of $444). Flying from California to Helsinki in June is currently the most expensive (average of $1,123). 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 California?

Book flights to California if you plan to visit one of these locations
Vantaa
Espoo
Lahti

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Alternative routes for California to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to Helsinki

Discover the top 10 airlines that operate flights from California 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$447Average$985FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$468Average$723FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$517Average$1,118FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$529Average$1,008FlexibilityNo cancel feeOn-time70%
FinnairCheapest$541Average$1,096FlexibilityNo cancel feeOn-time76%
DeltaCheapest$558Average$981FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$572Average$1,150FlexibilityNo cancel feeOn-time67%
Brussels AirlinesCheapest$572Average$819FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$576Average$1,123FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$597Average$740FlexibilityNo cancel feeOn-time77%

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