What is the cheapest airline that flies from San Diego to Helsinki-Vantaa?

United Airlines, Lufthansa, and Delta are the most popular carriers operating from San Diego to Helsinki-Vantaa

What airlines fly to Helsinki?

Finnair, Lufthansa and American Airlines are the top three most popular airlines that fly to Helsinki from San Diego according to our data. Finnair is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 3 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Helsinki-Vantaa Airport?

Prices for flights from San Diego Airport to Helsinki-Vantaa Airport are updated daily.

How many operators does momondo search for flights from San Diego Airport to Helsinki-Vantaa Airport?

As of August 2026, there are 3 operators available to choose from for flights from San Diego Airport to Helsinki-Vantaa Airport.

How old do you have to be to fly from San Diego Airport to Helsinki-Vantaa Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport 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.

$343 Cheap Flights from San Diego to Helsinki in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Helsinki

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 3:25 pmSAN San Diego-HEL Helsinki-Vantaa

21h 25m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

6:15 am - 10:56 pmHEL Helsinki-Vantaa-SAN San Diego

26h 41m2 stops Kastrup Copenhagen Los Angeles Los Angeles

$794Scandinavian Airlines

Sun, Nov 1 - Tue, Dec 1

11:02 am - 3:20 pmSAN San Diego-HEL Helsinki-Vantaa

18h 18m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

6:10 am - 10:02 pmHEL Helsinki-Vantaa-SAN San Diego

25h 52m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

$794Scandinavian Airlines

Tue, Oct 6 - Tue, Oct 13

7:45 am - 3:20 pmSAN San Diego-HEL Helsinki-Vantaa

21h 35m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

4:00 pm - 11:46 pmHEL Helsinki-Vantaa-SAN San Diego

41h 46m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$794Scandinavian Airlines

Sun, Oct 11 - Wed, Oct 21

7:40 pm - 9:00 pmSAN San Diego-HEL Helsinki-Vantaa

15h 20m1 stop London Heathrow

12:20 pm - 8:04 pmHEL Helsinki-Vantaa-SAN San Diego

17h 44m1 stop Dallas/Fort Worth

$827American Airlines

Tue, Oct 6 - Tue, Oct 13

5:15 pm - 6:55 pmSAN San Diego-HEL Helsinki-Vantaa

15h 40m1 stop Munich Franz Josef Strauss

6:00 am - 3:25 pmHEL Helsinki-Vantaa-SAN San Diego

19h 25m1 stop Munich Franz Josef Strauss

$828Lufthansa

Sun, Oct 11 - Wed, Oct 21

6:15 am - 11:10 amSAN San Diego-HEL Helsinki-Vantaa

18h 55m1 stop Dallas/Fort Worth

12:30 pm - 9:39 pmHEL Helsinki-Vantaa-SAN San Diego

19h 09m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$832American Airlines

Sat, Feb 20 - Thu, Mar 4

7:15 am - 11:10 amSAN San Diego-HEL Helsinki-Vantaa

17h 55m1 stop Dallas/Fort Worth

12:30 pm - 7:09 pmHEL Helsinki-Vantaa-SAN San Diego

16h 39m1 stop Dallas/Fort Worth

$835American Airlines

Sun, Nov 1 - Tue, Dec 1

5:15 pm - 1:35 amSAN San Diego-HEL Helsinki-Vantaa

22h 20m1 stop Munich Franz Josef Strauss

6:35 am - 5:26 pmHEL Helsinki-Vantaa-SAN San Diego

20h 51m2 stops Frankfurt am Main Los Angeles Los Angeles

$837Lufthansa

Sun, Oct 11 - Wed, Oct 21

8:00 am - 11:10 amSAN San Diego-HEL Helsinki-Vantaa

17h 10m1 stop Dallas/Fort Worth

12:30 pm - 7:04 pmHEL Helsinki-Vantaa-SAN San Diego

16h 34m1 stop Dallas/Fort Worth

$1,030Finnair

Sun, Jan 17 - Thu, Jan 21

1:12 pm - 2:15 pmSAN San Diego-HEL Helsinki-Vantaa

15h 03m1 stop Chicago O'Hare Intl

4:25 pm - 10:50 pmHEL Helsinki-Vantaa-SAN San Diego

15h 25m1 stop Chicago O'Hare Intl

$1,909Finnair

Sun, Oct 11 - Tue, Oct 27

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Delta flights from San Diego to Helsinki

Our best Delta deals on San Diego to Helsinki flight tickets

Delta

Feb 20

SAN7:00 amSan Diego

23h 40m

2 stops

HEL4:40 pmHelsinki-Vantaa

Mar 4

HEL6:40 amHelsinki-Vantaa

15h 30m

1 stop

SAN12:10 pmSan Diego

$833

Delta

Oct 6

SAN7:45 amSan Diego

22h 55m

2 stops

HEL4:40 pmHelsinki-Vantaa

Oct 13

HEL7:00 amHelsinki-Vantaa

14h 50m

1 stop

SAN11:50 amSan Diego

$838

Delta

Feb 20

SAN7:00 amSan Diego

23h 40m

2 stops

HEL4:40 pmHelsinki-Vantaa

Mar 4

HEL6:40 amHelsinki-Vantaa

19h 26m

2 stops

SAN4:06 pmSan Diego

$843

Scandinavian Airlines flights from San Diego to Helsinki

Our best Scandinavian Airlines deals on San Diego to Helsinki flight tickets

Scandinavian Airlines

Oct 6

SAN11:02 amSan Diego

18h 18m

2 stops

HEL3:20 pmHelsinki-Vantaa

Oct 13

HEL6:10 amHelsinki-Vantaa

25h 52m

2 stops

SAN10:02 pmSan Diego

$794

Scandinavian Airlines

Nov 10

SAN11:05 amSan Diego

28h 30m

2 stops

HEL1:35 amHelsinki-Vantaa

Nov 15

HEL4:05 pmHelsinki-Vantaa

40h 54m

2 stops

SAN10:59 pmSan Diego

$823

Scandinavian Airlines

Feb 18

SAN3:59 pmSan Diego

23h 36m

2 stops

HEL1:35 amHelsinki-Vantaa

Mar 13

HEL6:15 amHelsinki-Vantaa

24h 34m

2 stops

SAN8:49 pmSan Diego

$841

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sun 11/1

8:00 am-3:25 pm

2 stops21h 25m

Helsinki-Vantaa

Tue 12/1

6:15 am-10:56 pm

2 stops26h 41m

$794

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Tue 10/6

11:02 am-3:20 pm

2 stops18h 18m

Helsinki-Vantaa

Tue 10/13

6:10 am-10:02 pm

2 stops25h 52m

$794

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sun 10/11

7:45 am-3:20 pm

2 stops21h 35m

Helsinki-Vantaa

Wed 10/21

4:00 pm-11:46 pm

2 stops41h 46m

$794

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Tue 10/6

7:40 pm-9:00 pm

1 stop15h 20m

Helsinki-Vantaa

Tue 10/13

12:20 pm-8:04 pm

1 stop17h 44m

$827

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sun 10/11

5:15 pm-6:55 pm

1 stop15h 40m

Helsinki-Vantaa

Wed 10/21

6:00 am-3:25 pm

1 stop19h 25m

$828

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sat 2/20

6:15 am-11:10 am

1 stop18h 55m

Helsinki-Vantaa

Thu 3/4

12:30 pm-9:39 pm

2 stops19h 09m

$832

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sun 11/1

7:15 am-11:10 am

1 stop17h 55m

Helsinki-Vantaa

Tue 12/1

12:30 pm-7:09 pm

1 stop16h 39m

$835

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sun 10/11

5:15 pm-1:35 am

1 stop22h 20m

Helsinki-Vantaa

Wed 10/21

6:35 am-5:26 pm

2 stops20h 51m

$837

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sun 1/17

8:00 am-11:10 am

1 stop17h 10m

Helsinki-Vantaa

Thu 1/21

12:30 pm-7:04 pm

1 stop16h 34m

$1,030

Quickest round-trip

San DiegoHelsinki

SAN San Diego - HEL Helsinki-Vantaa

SANHEL

San Diego

Sun 10/11

1:12 pm-2:15 pm

1 stop15h 03m

Helsinki-Vantaa

Tue 10/27

4:25 pm-10:50 pm

1 stop15h 25m

$1,909

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego 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

Prices

Airlines

What is the typical price of a round-trip flight between San Diego and Helsinki?

Prices are currently low for flights on this route.

Typical prices usually range from $884 to $949.
The lowest price recently found on this route was $794.

What is the cheapest month to fly to Helsinki?

The month of October is, on average, the cheapest month to fly to Helsinki from San Diego, with most prices found around $530. If you aren’t able to travel during the month of October, then book flights to Helsinki from San Diego during January instead. Flights to Helsinki in January, while not as cheap as those in October, still average around $534.

When to book flights from San Diego to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Helsinki according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Diego to Helsinki (SAN to HEL) flight deals and tips

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

Best Price Found	$343
Fastest flight time	15h 10m
Direct flights	None

The best one-way flight to Helsinki from San Diego in the past 72 hours is $343. The best round-trip flight deal from San Diego to Helsinki found on momondo in the last 72 hours is $794.

The fastest flight from San Diego to Helsinki takes 15h 10m

There are no direct flights from San Diego to Helsinki. There are no popular flight routes from San Diego to Helsinki.

Search flight deals

Frequently asked questions about flying from San Diego to Helsinki

How far is San Diego to Helsinki-Vantaa by plane?
The straight-line distance from San Diego to Helsinki-Vantaa is 5664.2 mi. By plane, this route typically takes 15h 10m.
When did momondo last update prices for flights from San Diego Airport to Helsinki-Vantaa Airport?
Prices for flights from San Diego Airport to Helsinki-Vantaa Airport are updated daily.
How many operators does momondo search for flights from San Diego Airport to Helsinki-Vantaa Airport?
As of August 2026, there are 3 operators available to choose from for flights from San Diego Airport to Helsinki-Vantaa Airport.
How old do you have to be to fly from San Diego Airport to Helsinki-Vantaa Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport 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 airline from San Diego to Helsinki?
Based on momondo bookings for flights between San Diego and Helsinki, the leading airline is Finnair, making up 41% of the total bookings. Other popular airlines include Lufthansa with 31% and American Airlines with 28%.

Best airlines flying from San Diego to Helsinki

Compare and see reviews for airlines that fly from San Diego to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $431	Free Cancellation	Rating 7.1 12,017 reviews	Search American Airlines flights
Lufthansa	PriceFrom $473	Free Cancellation	Rating 6.8 8,228 reviews	Search Lufthansa flights
Finnair	PriceFrom $706	Free Cancellation	Rating 7.6 1,430 reviews	Search Finnair flights

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Helsinki. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Helsinki from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Diego to Helsinki?

Once you have performed a search for San Diego to Helsinki flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for San Diego to Helsinki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.