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Cheap flights from Helsinki to San Diego from $546

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to San Diego departing on 9/17. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Helsinki to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:00 pm - 9:10 amHEL  Helsinki-Vantaa-SAN San Diego
28h 10m2 stops Reykjavik Keflavik Intl Boston Logan Intl
Icelandair Logo
10:15 am - 2:00 pmSAN  San Diego-HEL Helsinki-Vantaa
41h 45m2 stops Boston Logan Intl Reykjavik Keflavik Intl
$1,037Icelandair
Thu, Aug 27 - Tue, Sep 1
Finnair Logo
4:25 pm - 11:25 pmHEL  Helsinki-Vantaa-SAN San Diego
17h 00m1 stop Chicago O'Hare Intl
Finnair Logo
1:10 pm - 2:15 pmSAN  San Diego-HEL Helsinki-Vantaa
15h 05m1 stop Chicago O'Hare Intl
$1,079Finnair
Thu, Sep 17 - Tue, Sep 22
Finnair Logo
4:25 pm - 11:25 pmHEL  Helsinki-Vantaa-SAN San Diego
17h 00m1 stop Chicago O'Hare Intl
Finnair Logo
1:10 pm - 2:15 pmSAN  San Diego-HEL Helsinki-Vantaa
15h 05m1 stop Chicago O'Hare Intl
$1,080Finnair
Thu, Sep 17 - Tue, Sep 22
Lufthansa Logo
6:35 am - 5:26 pmHEL  Helsinki-Vantaa-SAN San Diego
20h 51m2 stops Frankfurt am Main Los Angeles
Lufthansa Logo
3:56 pm - 1:35 amSAN  San Diego-HEL Helsinki-Vantaa
23h 39m2 stops San Francisco Munich Franz Josef Strauss
$1,081Lufthansa
Thu, Sep 17 - Tue, Sep 22
Air France Logo
7:00 am - 11:50 amHEL  Helsinki-Vantaa-SAN San Diego
14h 50m1 stop Amsterdam Schiphol
Air France Logo
11:54 am - 4:40 pmSAN  San Diego-HEL Helsinki-Vantaa
18h 46m2 stops Minneapolis St Paul Paris Charles de Gaulle
$1,081Air France
Thu, Sep 17 - Tue, Sep 22
Multiple Airlines Logo
1:55 pm - 3:25 pmHEL  Helsinki-Vantaa-SAN San Diego
35h 30m2 stops Oslo Gardermoen Munich Franz Josef Strauss
Multiple Airlines Logo
5:15 pm - 2:55 pmSAN  San Diego-HEL Helsinki-Vantaa
35h 40m3 stops Munich Franz Josef Strauss Oslo Gardermoen Riga Intl
$1,081Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Scandinavian Airlines Logo
6:10 am - 9:00 pmHEL  Helsinki-Vantaa-SAN San Diego
24h 50m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
Scandinavian Airlines Logo
11:04 am - 3:20 pmSAN  San Diego-HEL Helsinki-Vantaa
18h 16m2 stops Seattle/Tacoma Intl Kastrup Copenhagen
$1,082Scandinavian Airlines
Thu, Sep 17 - Tue, Sep 22
Air France Logo
7:00 am - 11:50 amHEL  Helsinki-Vantaa-SAN San Diego
14h 50m1 stop Amsterdam Schiphol
Air France Logo
11:54 am - 4:40 pmSAN  San Diego-HEL Helsinki-Vantaa
18h 46m2 stops Minneapolis St Paul Paris Charles de Gaulle
$1,084Air France
Thu, Sep 17 - Tue, Sep 22
Air France Logo
7:00 am - 11:50 amHEL  Helsinki-Vantaa-SAN San Diego
14h 50m1 stop Amsterdam Schiphol
Air France Logo
1:40 pm - 12:25 amSAN  San Diego-HEL Helsinki-Vantaa
24h 45m1 stop Amsterdam Schiphol
$1,087Air France
Thu, Aug 27 - Tue, Sep 1
Lufthansa Logo
6:00 am - 3:25 pmHEL  Helsinki-Vantaa-SAN San Diego
19h 25m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:40 am - 1:10 pmSAN  San Diego-HEL Helsinki-Vantaa
20h 30m2 stops Chicago O'Hare Intl Frankfurt am Main
$1,089Lufthansa
Thu, Aug 27 - Tue, Sep 1

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Turkish Airlines flights from Helsinki to San Diego

Our best Turkish Airlines deals on Helsinki to San Diego flight tickets
Turkish Airlines
Nov 7
HEL12:25 pmHelsinki-Vantaa
31h 12m
2 stops
SAN9:37 amSan Diego
Nov 11
SAN10:47 amSan Diego
38h 43m
2 stops
HEL11:30 amHelsinki-Vantaa
$1,101
Turkish Airlines
Jan 29
HEL12:25 pmHelsinki-Vantaa
41h 30m
2 stops
SAN7:55 pmSan Diego
Jan 31
SAN9:00 pmSan Diego
28h 30m
2 stops
HEL11:30 amHelsinki-Vantaa
$1,102
Turkish Airlines
Jan 29
HEL7:05 pmHelsinki-Vantaa
34h 50m
2 stops
SAN7:55 pmSan Diego
Jan 31
SAN9:00 pmSan Diego
28h 30m
2 stops
HEL11:30 amHelsinki-Vantaa
$1,103

American Airlines flights from Helsinki to San Diego

Our best American Airlines deals on Helsinki to San Diego flight tickets
American Airlines
Nov 7
HEL12:30 pmHelsinki-Vantaa
16h 32m
1 stop
SAN7:02 pmSan Diego
Nov 11
SAN7:15 amSan Diego
22h 00m
2 stops
HEL3:15 pmHelsinki-Vantaa
$1,282
American Airlines
Nov 7
HEL12:30 pmHelsinki-Vantaa
18h 05m
1 stop
SAN8:35 pmSan Diego
Nov 11
SAN8:00 amSan Diego
17h 10m
1 stop
HEL11:10 amHelsinki-Vantaa
$1,298
American Airlines
Jan 29
HEL12:30 pmHelsinki-Vantaa
20h 10m
1 stop
SAN10:40 pmSan Diego
Jan 31
SAN10:09 amSan Diego
19h 11m
2 stops
HEL3:20 pmHelsinki-Vantaa
$1,299

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to San Diego 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 13, 2026.
Use the filters below to find and compare flights from Helsinki to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 8/27

3:00 pm-9:10 am

2 stops28h 10m

San Diego

Tue 9/1

10:15 am-2:00 pm

2 stops41h 45m

$1,037
Quickest round-trip

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 9/17

4:25 pm-11:25 pm

1 stop17h 00m

San Diego

Tue 9/22

1:10 pm-2:15 pm

1 stop15h 05m

$1,079

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 9/17

4:25 pm-11:25 pm

1 stop17h 00m

San Diego

Tue 9/22

1:10 pm-2:15 pm

1 stop15h 05m

$1,080

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 9/17

6:35 am-5:26 pm

2 stops20h 51m

San Diego

Tue 9/22

3:56 pm-1:35 am

2 stops23h 39m

$1,081

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 9/17

7:00 am-11:50 am

1 stop14h 50m

San Diego

Tue 9/22

11:54 am-4:40 pm

2 stops18h 46m

$1,081

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Tue 9/22

1:55 pm-3:25 pm

2 stops35h 30m

San Diego

Tue 9/29

5:15 pm-2:55 pm

3 stops35h 40m

$1,081

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 9/17

6:10 am-9:00 pm

2 stops24h 50m

San Diego

Tue 9/22

11:04 am-3:20 pm

2 stops18h 16m

$1,082

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 9/17

7:00 am-11:50 am

1 stop14h 50m

San Diego

Tue 9/22

11:54 am-4:40 pm

2 stops18h 46m

$1,084

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 8/27

7:00 am-11:50 am

1 stop14h 50m

San Diego

Tue 9/1

1:40 pm-12:25 am

1 stop24h 45m

$1,087

HelsinkiSan Diego

HEL Helsinki-Vantaa - SAN San Diego

HELSAN

Helsinki-Vantaa

Thu 8/27

6:00 am-3:25 pm

1 stop19h 25m

San Diego

Tue 9/1

6:40 am-1:10 pm

2 stops20h 30m

$1,089

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Helsinki to San Diego

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,225 to $1,461.
The lowest price recently found on this route was $1,037.

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of September, then departing from Helsinki during the month November is also very affordable. Most momondo users find prices during this month for around $1,035.

Can stopping save me money on Helsinki to San Diego flights?

You could potentially save up to 15% on your flight if you consider stops on a Helsinki to San Diego flight.

When to book flights from Helsinki to San Diego

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

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

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

Fastest flight time

31h 12m

Direct flights

None
The fastest flight from Helsinki to San Diego takes 31h 12m
There are no direct flights from Helsinki to San Diego. There are no popular flight routes from Helsinki to San Diego.
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Frequently asked questions about flying from Helsinki to San Diego

  • How far is Helsinki-Vantaa to San Diego by plane?

    A flight from Helsinki-Vantaa to San Diego will travel around 5664.2 mi. Typically, this will take 31h 12m by plane in normal conditions.

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

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

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

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
National City
Julian
La Mesa
Poway
San Ysidro
Imperial Beach
Santee
Borrego Springs
Lemon Grove
Alpine

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helsinki to San Diego. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Helsinki to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Helsinki to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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