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Cheap flights from Helsinki to San Diego from $434

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 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Logo
7:40 am - 10:58 pmHEL-SAN
25h 18m2 stops
Logo
12:26 pm - 10:45 pmSAN-HEL
24h 19m2 stops
$763
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Thu, Sep 11 - Tue, Sep 16
Icelandair Logo
1:55 pm - 11:59 pmHEL-SAN
20h 04m2 stops
Icelandair Logo
7:00 am - 12:55 pmSAN-HEL
19h 55m2 stops
$848Icelandair
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Fri, Nov 7 - Tue, Nov 11
Icelandair Logo
1:55 pm - 11:59 pmHEL-SAN
20h 04m2 stops
Icelandair Logo
7:00 am - 12:55 pmSAN-HEL
19h 55m2 stops
$852Icelandair
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Fri, Nov 7 - Tue, Nov 11
Air France Logo
7:00 am - 12:00 pmHEL-SAN
15h 00m1 stop
Air France Logo
1:55 pm - 5:40 pmSAN-HEL
17h 45m1 stop
$855Air France
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Thu, Sep 11 - Tue, Sep 16
KLM Logo
7:00 am - 12:00 pmHEL-SAN
15h 00m1 stop
KLM Logo
1:55 pm - 5:40 pmSAN-HEL
17h 45m2 stops
$859KLM
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Thu, Sep 11 - Tue, Sep 16
KLM Logo
6:25 pm - 12:00 pmHEL-SAN
27h 35m1 stop
KLM Logo
7:00 am - 1:00 pmSAN-HEL
20h 00m2 stops
$863KLM
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Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
6:55 am - 6:50 pmHEL-SAN
21h 55m2 stops
United Airlines Logo
5:35 pm - 6:40 pmSAN-HEL
15h 05m1 stop
$870United Airlines
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Fri, Nov 7 - Tue, Nov 11
United Airlines Logo
6:55 am - 10:20 pmHEL-SAN
25h 25m2 stops
United Airlines Logo
5:35 pm - 6:40 pmSAN-HEL
15h 05m1 stop
$873United Airlines
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Fri, Nov 7 - Tue, Nov 11
Delta Logo
7:00 am - 8:47 pmHEL-SAN
23h 47m2 stops
Delta Logo
11:23 am - 5:40 pmSAN-HEL
20h 17m2 stops
$879Delta
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Sat, Sep 13 - Sat, Sep 20
Lufthansa Logo
6:55 am - 6:50 pmHEL-SAN
21h 55m2 stops
Lufthansa Logo
5:35 pm - 6:40 pmSAN-HEL
15h 05m1 stop
$881Lufthansa
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Fri, Nov 7 - Tue, Nov 11

British Airways flights from Helsinki to San Diego

Our best British Airways deals on Helsinki to San Diego flight tickets
British Airways
Nov 7
HEL12:30 pmHelsinki-Vantaa
15h 35m
1 stop
SAN6:05 pmSan Diego
Nov 11
SAN6:00 pmSan Diego
19h 00m
1 stop
HEL11:00 pmHelsinki-Vantaa
$1,127
Find similar
British Airways
Nov 7
HEL12:30 pmHelsinki-Vantaa
15h 35m
1 stop
SAN6:05 pmSan Diego
Nov 11
SAN6:00 pmSan Diego
19h 00m
1 stop
HEL11:00 pmHelsinki-Vantaa
$1,132
Find similar
British Airways
Nov 7
HEL12:30 pmHelsinki-Vantaa
15h 35m
1 stop
SAN6:05 pmSan Diego
Nov 11
SAN6:00 pmSan Diego
17h 10m
1 stop
HEL9:10 pmHelsinki-Vantaa
$1,141
Find similar

Icelandair flights from Helsinki to San Diego

Our best Icelandair deals on Helsinki to San Diego flight tickets
Icelandair
Nov 7
HEL1:55 pmHelsinki-Vantaa
20h 04m
2 stops
SAN11:59 pmSan Diego
Nov 11
SAN7:00 amSan Diego
19h 55m
2 stops
HEL12:55 pmHelsinki-Vantaa
$848
Find similar
Icelandair
Nov 7
HEL1:55 pmHelsinki-Vantaa
20h 04m
2 stops
SAN11:59 pmSan Diego
Nov 11
SAN7:00 amSan Diego
19h 55m
2 stops
HEL12:55 pmHelsinki-Vantaa
$852
Find similar

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 July 31, 2025.
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

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/11

7:40 am-10:58 pm

2 stops25h 18m

San Diego

Tue 9/16

12:26 pm-10:45 pm

2 stops24h 19m

$763

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 11/7

1:55 pm-11:59 pm

2 stops20h 04m

San Diego

Tue 11/11

7:00 am-12:55 pm

2 stops19h 55m

$848

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 11/7

1:55 pm-11:59 pm

2 stops20h 04m

San Diego

Tue 11/11

7:00 am-12:55 pm

2 stops19h 55m

$852

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/11

7:00 am-12:00 pm

1 stop15h 00m

San Diego

Tue 9/16

1:55 pm-5:40 pm

1 stop17h 45m

$855

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 9/11

7:00 am-12:00 pm

1 stop15h 00m

San Diego

Tue 9/16

1:55 pm-5:40 pm

2 stops17h 45m

$859

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Sat 9/13

6:25 pm-12:00 pm

1 stop27h 35m

San Diego

Sat 9/20

7:00 am-1:00 pm

2 stops20h 00m

$863

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 11/7

6:55 am-6:50 pm

2 stops21h 55m

San Diego

Tue 11/11

5:35 pm-6:40 pm

1 stop15h 05m

$870

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 11/7

6:55 am-10:20 pm

2 stops25h 25m

San Diego

Tue 11/11

5:35 pm-6:40 pm

1 stop15h 05m

$873

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Sat 9/13

7:00 am-8:47 pm

2 stops23h 47m

San Diego

Sat 9/20

11:23 am-5:40 pm

2 stops20h 17m

$879

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Fri 11/7

6:55 am-6:50 pm

2 stops21h 55m

San Diego

Tue 11/11

5:35 pm-6:40 pm

1 stop15h 05m

$881

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from Helsinki during the month October is also very affordable. Most momondo users find prices during this month for around $862.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Helsinki to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $860. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $944. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

Best Price Found

$434

Fastest flight time

15h 00m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Helsinki in the past 72 hours is $434. The best round-trip flight deal from Helsinki to San Diego found on momondo in the last 72 hours is $763.
The fastest flight from Helsinki to San Diego takes 15h 00m
There are no direct flights from Helsinki to San Diego. Popular non-direct route for this connection is Helsinki-Vantaa Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • 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 15h 00m 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
Coronado
Chula Vista
El Cajon
Julian
National City
La Mesa
Imperial Beach
San Ysidro
Poway
Borrego Springs
Lemon Grove
Alpine
Santee

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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