Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to Helsinki from $274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Helsinki departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Helsinki

Cheap round-trip flights

American Airlines Logo
5:15 am - 11:05 amLAS-HEL
19h 50m1 stop
American Airlines Logo
12:35 pm - 5:30 pmHEL-LAS
14h 55m1 stop
$484American Airlines
Find Deal
Mon, Sep 22 - Tue, Oct 7
American Airlines Logo
6:15 am - 11:05 amSAN-HEL
18h 50m1 stop
American Airlines Logo
12:35 pm - 9:12 pmHEL-SAN
18h 37m1 stop
$484American Airlines
Find Deal
Mon, Sep 22 - Tue, Oct 7
Logo
11:45 am - 2:00 pmLAS-HEL
16h 15m1 stop
Logo
12:35 pm - 6:16 pmHEL-LAS
15h 41m1 stop
$488
Find Deal
Mon, Sep 29 - Tue, Oct 14
Logo
10:17 am - 10:45 amSAN-HEL
14h 28m1 stop
Logo
12:35 pm - 6:04 pmHEL-SAN
15h 29m1 stop
$488
Find Deal
Sun, Sep 28 - Tue, Oct 14
Air Canada Logo
6:15 am - 6:40 pmLAS-HEL
27h 25m2 stops
Air Canada Logo
12:45 pm - 3:59 pmHEL-LAS
61h 14m2 stops
$521Air Canada
Find Deal
Tue, Oct 28 - Mon, Nov 3
Air Canada Logo
9:10 am - 1:10 pmLAS-HEL
19h 00m2 stops
Air Canada Logo
12:45 pm - 3:59 pmHEL-LAS
61h 14m2 stops
$525Air Canada
Find Deal
Tue, Oct 28 - Mon, Nov 3
Iberia Logo
8:18 am - 10:45 pmSAN-HEL
28h 27m2 stops
Iberia Logo
12:35 pm - 8:20 pmHEL-SAN
17h 45m1 stop
$526Iberia
Find Deal
Tue, Sep 16 - Tue, Sep 23
Lufthansa Logo
9:10 pm - 12:25 amLAS-HEL
17h 15m1 stop
Lufthansa Logo
6:10 am - 4:14 pmHEL-LAS
20h 04m2 stops
$527Lufthansa
Find Deal
Mon, Sep 22 - Tue, Oct 7
Lufthansa Logo
5:15 pm - 6:55 pmSAN-HEL
15h 40m1 stop
Lufthansa Logo
6:00 am - 3:25 pmHEL-SAN
19h 25m1 stop
$541Lufthansa
Find Deal
Tue, Aug 26 - Tue, Sep 16
Iberia Logo
12:38 pm - 10:45 pmSAN-HEL
48h 07m2 stops
Iberia Logo
12:35 pm - 8:20 pmHEL-SAN
17h 45m1 stop
$751Iberia
Find Deal
Sat, Sep 13 - Fri, Sep 26

American Airlines flights from California to Helsinki

Our best American Airlines deals on California to Helsinki flight tickets
American Airlines
Sep 22
LAS5:15 amLas Vegas Harry Reid Intl
19h 50m
1 stop
HEL11:05 amHelsinki-Vantaa
Oct 7
HEL12:35 pmHelsinki-Vantaa
14h 55m
1 stop
LAS5:30 pmLas Vegas Harry Reid Intl
$484
Find similar
American Airlines
Oct 28
LAS7:36 amLas Vegas Harry Reid Intl
18h 09m
1 stop
HEL10:45 amHelsinki-Vantaa
Nov 3
HEL12:30 pmHelsinki-Vantaa
16h 12m
1 stop
LAS6:42 pmLas Vegas Harry Reid Intl
$531
Find similar
American Airlines
Oct 28
LAS9:55 amLas Vegas Harry Reid Intl
15h 50m
1 stop
HEL10:45 amHelsinki-Vantaa
Nov 3
HEL12:30 pmHelsinki-Vantaa
18h 28m
2 stops
LAS8:58 pmLas Vegas Harry Reid Intl
$536
Find similar

Air Canada flights from California to Helsinki

Our best Air Canada deals on California to Helsinki flight tickets
Air Canada
Oct 28
LAS6:15 amLas Vegas Harry Reid Intl
27h 25m
2 stops
HEL6:40 pmHelsinki-Vantaa
Nov 3
HEL12:45 pmHelsinki-Vantaa
61h 14m
2 stops
LAS3:59 pmLas Vegas Harry Reid Intl
$521
Find similar
Air Canada
Oct 28
LAS9:10 amLas Vegas Harry Reid Intl
19h 00m
2 stops
HEL1:10 pmHelsinki-Vantaa
Nov 3
HEL12:45 pmHelsinki-Vantaa
61h 14m
2 stops
LAS3:59 pmLas Vegas Harry Reid Intl
$525
Find similar
Air Canada
Sep 22
SAN8:10 amSan Diego
18h 40m
2 stops
HEL12:50 pmHelsinki-Vantaa
Oct 7
HEL6:10 amHelsinki-Vantaa
23h 25m
2 stops
SAN7:35 pmSan Diego
$529
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from California to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasHelsinki

LAS - HEL

LASHEL

Las Vegas Harry Reid Intl

Mon 9/22

5:15 am-11:05 am

1 stop19h 50m

Helsinki-Vantaa

Tue 10/7

12:35 pm-5:30 pm

1 stop14h 55m

$484

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 9/22

6:15 am-11:05 am

1 stop18h 50m

Helsinki-Vantaa

Tue 10/7

12:35 pm-9:12 pm

1 stop18h 37m

$484

Las VegasHelsinki

LAS - HEL

LASHEL

Las Vegas Harry Reid Intl

Mon 9/29

11:45 am-2:00 pm

1 stop16h 15m

Helsinki-Vantaa

Tue 10/14

12:35 pm-6:16 pm

1 stop15h 41m

$488

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sun 9/28

10:17 am-10:45 am

1 stop14h 28m

Helsinki-Vantaa

Tue 10/14

12:35 pm-6:04 pm

1 stop15h 29m

$488

Las VegasHelsinki

LAS - HEL

LASHEL

Las Vegas Harry Reid Intl

Tue 10/28

6:15 am-6:40 pm

2 stops27h 25m

Helsinki-Vantaa

Mon 11/3

12:45 pm-3:59 pm

2 stops61h 14m

$521

Las VegasHelsinki

LAS - HEL

LASHEL

Las Vegas Harry Reid Intl

Tue 10/28

9:10 am-1:10 pm

2 stops19h 00m

Helsinki-Vantaa

Mon 11/3

12:45 pm-3:59 pm

2 stops61h 14m

$525

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Tue 9/16

8:18 am-10:45 pm

2 stops28h 27m

Helsinki-Vantaa

Tue 9/23

12:35 pm-8:20 pm

1 stop17h 45m

$526

Las VegasHelsinki

LAS - HEL

LASHEL

Las Vegas Harry Reid Intl

Mon 9/22

9:10 pm-12:25 am

1 stop17h 15m

Helsinki-Vantaa

Tue 10/7

6:10 am-4:14 pm

2 stops20h 04m

$527

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Tue 8/26

5:15 pm-6:55 pm

1 stop15h 40m

Helsinki-Vantaa

Tue 9/16

6:00 am-3:25 pm

1 stop19h 25m

$541

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Sat 9/13

12:38 pm-10:45 pm

2 stops48h 07m

Helsinki-Vantaa

Fri 9/26

12:35 pm-8:20 pm

1 stop17h 45m

$751

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Helsinki from

How to get the cheapest flight ticket from California to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Helsinki?

The month of November is, on average, the cheapest month to fly to Helsinki from California, with most prices found around $671. If you aren’t able to travel during the month of November, then book flights to Helsinki from California during February instead. Flights to Helsinki in February, while not as cheap as those in November, still average around $699.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $761. This is often the case because there is less demand to fly during this day of the week. Flights from California to Helsinki on a Friday will generally be more expensive and average around $974. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from California to Helsinki in the evening for as low as $626. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Helsinki, so prices are often more expensive at around $1,078 per ticket.

What is the cheapest California to Helsinki-Vantaa flight route?

Fly from Los Angeles to Helsinki-Vantaa for the best California - Helsinki-Vantaa flight prices

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $870 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from California for as low as $724 on momondo.

What cabin class options are available on California to Helsinki-Vantaa flights?

There are 3 cabin classes available to choose from on California to Helsinki-Vantaa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Helsinki flights?

No. A direct flight is the cheapest option for a flight between California to Helsinki.

Cheap California to Helsinki flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Helsinki

Best Price Found

$274

Fastest flight time

10h 35m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from California in the past 72 hours is $274. The best round-trip flight deal from California to Helsinki found on momondo in the last 72 hours is $484.
The fastest flight from California to Helsinki takes 10h 35m
Direct flights go from California to Helsinki on Monday, Tuesday, Wednesday, Friday and Sunday. Airlines offering direct flights are: Finnair, Iberia and British Airways.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
Search flight deals

  • When did momondo last update prices for flights from California to Helsinki-Vantaa Airport?

    Prices for flights from California to Helsinki-Vantaa Airport refresh daily.

  • How many operators does momondo search for flights from California to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from California to Helsinki-Vantaa Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from California to Helsinki?

Best airlines flying from California to Helsinki

Compare and see reviews for airlines that fly from California to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $447Free CancellationRating
7.8
1,383 reviews
Search KLM flights
IberiaPriceFrom $454Free CancellationRating
7.0
2,865 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $480Free CancellationRating
7.3
1,460 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $490Free CancellationRating
7.6
1,318 reviews
Search Finnair flights
American AirlinesPriceFrom $506Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $527Free CancellationRating
6.6
7,233 reviews
Search British Airways flights
DeltaPriceFrom $558Free CancellationRating
8.0
7,986 reviews
Search Delta flights
LufthansaPriceFrom $558Free CancellationRating
6.8
7,278 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom $578Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $582Free CancellationRating
7.4
8,909 reviews
Search United Airlines flights

Traveling to a place near Helsinki?

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

Why use momondo?

Why should I use momondo to find a flight deal from California to Helsinki?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helsinki from California.

Can I find flights from California to Helsinki with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helsinki from California which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from California to Helsinki?

momondo helps you find the best flight between California and Helsinki by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from California to Helsinki right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of California to Helsinki flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Helsinki trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/9
Sat 8/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Finland