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Cheap flights from Helsinki to San Diego from $387

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 12/4. 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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Find the cheapest flights from Helsinki to San Diego

Cheap round-trip flights

Logo
3:00 pm - 11:53 pmHEL-SAN
18h 53m2 stops
Logo
8:33 am - 2:00 pmSAN-HEL
19h 27m2 stops
$869
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jue., sep. 25 - mar., sep. 30
Logo
3:00 pm - 11:53 pmHEL-SAN
18h 53m2 stops
Logo
9:30 am - 2:00 pmSAN-HEL
18h 30m2 stops
$886
Find Deal
jue., sep. 25 - mar., sep. 30
Icelandair Logo
3:00 pm - 10:58 pmHEL-SAN
17h 58m2 stops
Icelandair Logo
9:30 am - 2:00 pmSAN-HEL
18h 30m2 stops
$898Icelandair
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jue., sep. 25 - mar., sep. 30
Lufthansa Logo
6:50 am - 4:45 pmHEL-SAN
18h 55m1 stop
Lufthansa Logo
5:35 pm - 6:50 pmSAN-HEL
15h 15m1 stop
$908Lufthansa
Find Deal
dom., oct. 26 - dom., nov. 2
Lufthansa Logo
6:10 am - 7:52 pmHEL-SAN
23h 42m2 stops
Lufthansa Logo
5:15 pm - 6:55 pmSAN-HEL
15h 40m1 stop
$917Lufthansa
Find Deal
jue., sep. 25 - mar., sep. 30
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
$926Air France
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jue., sep. 25 - mar., sep. 30
Air France Logo
7:00 am - 12:00 pmHEL-SAN
15h 00m1 stop
Air France Logo
11:23 am - 4:40 pmSAN-HEL
19h 17m2 stops
$927Air France
Find Deal
jue., sep. 25 - mar., sep. 30
KLM Logo
7:00 am - 12:00 pmHEL-SAN
15h 00m1 stop
KLM Logo
1:55 pm - 12:20 amSAN-HEL
24h 25m1 stop
$929KLM
Find Deal
jue., oct. 2 - jue., oct. 9
Lufthansa Logo
6:50 am - 4:45 pmHEL-SAN
18h 55m1 stop
Lufthansa Logo
5:35 pm - 6:50 pmSAN-HEL
15h 15m1 stop
$932Lufthansa
Find Deal
dom., oct. 26 - dom., nov. 2
KLM Logo
7:00 am - 12:00 pmHEL-SAN
15h 00m1 stop
KLM Logo
7:25 am - 1:00 pmSAN-HEL
19h 35m2 stops
$934KLM
Find Deal
jue., oct. 9 - mar., oct. 14

United Airlines flights from Helsinki to San Diego

Our best United Airlines deals on Helsinki to San Diego flight tickets
United Airlines
Oct 26
HEL6:55 amHelsinki-Vantaa
36h 26m
2 stops
SAN10:21 amSan Diego
Nov 2
SAN5:15 amSan Diego
26h 35m
3 stops
HEL5:50 pmHelsinki-Vantaa
$942
Find similar
United Airlines
Nov 7
HEL6:55 amHelsinki-Vantaa
20h 34m
2 stops
SAN5:29 pmSan Diego
Nov 11
SAN5:35 pmSan Diego
15h 15m
1 stop
HEL6:50 pmHelsinki-Vantaa
$977
Find similar
United Airlines
Nov 7
HEL6:55 amHelsinki-Vantaa
20h 34m
2 stops
SAN5:29 pmSan Diego
Nov 11
SAN5:35 pmSan Diego
15h 15m
1 stop
HEL6:50 pmHelsinki-Vantaa
$980
Find similar

Lufthansa flights from Helsinki to San Diego

Our best Lufthansa deals on Helsinki to San Diego flight tickets
Lufthansa
Oct 26
HEL6:50 amHelsinki-Vantaa
18h 55m
1 stop
SAN4:45 pmSan Diego
Nov 2
SAN5:35 pmSan Diego
15h 15m
1 stop
HEL6:50 pmHelsinki-Vantaa
$908
Find similar
Lufthansa
Sep 25
HEL6:10 amHelsinki-Vantaa
23h 42m
2 stops
SAN7:52 pmSan Diego
Sep 30
SAN5:15 pmSan Diego
15h 40m
1 stop
HEL6:55 pmHelsinki-Vantaa
$917
Find similar
Lufthansa
Oct 26
HEL6:50 amHelsinki-Vantaa
18h 55m
1 stop
SAN4:45 pmSan Diego
Nov 2
SAN5:35 pmSan Diego
15h 15m
1 stop
HEL6:50 pmHelsinki-Vantaa
$932
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 septiembre 11, 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

jue. 9/25

3:00 pm-11:53 pm

2 stops18h 53m

San Diego

mar. 9/30

8:33 am-2:00 pm

2 stops19h 27m

$869

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

jue. 9/25

3:00 pm-11:53 pm

2 stops18h 53m

San Diego

mar. 9/30

9:30 am-2:00 pm

2 stops18h 30m

$886

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

jue. 9/25

3:00 pm-10:58 pm

2 stops17h 58m

San Diego

mar. 9/30

9:30 am-2:00 pm

2 stops18h 30m

$898

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

dom. 10/26

6:50 am-4:45 pm

1 stop18h 55m

San Diego

dom. 11/2

5:35 pm-6:50 pm

1 stop15h 15m

$908

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

jue. 9/25

6:10 am-7:52 pm

2 stops23h 42m

San Diego

mar. 9/30

5:15 pm-6:55 pm

1 stop15h 40m

$917

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

jue. 9/25

7:00 am-12:00 pm

1 stop15h 00m

San Diego

mar. 9/30

1:55 pm-5:40 pm

1 stop17h 45m

$926

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

jue. 9/25

7:00 am-12:00 pm

1 stop15h 00m

San Diego

mar. 9/30

11:23 am-4:40 pm

2 stops19h 17m

$927

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

jue. 10/2

7:00 am-12:00 pm

1 stop15h 00m

San Diego

jue. 10/9

1:55 pm-12:20 am

1 stop24h 25m

$929

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

dom. 10/26

6:50 am-4:45 pm

1 stop18h 55m

San Diego

dom. 11/2

5:35 pm-6:50 pm

1 stop15h 15m

$932

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

jue. 10/9

7:00 am-12:00 pm

1 stop15h 00m

San Diego

mar. 10/14

7:25 am-1:00 pm

2 stops19h 35m

$934

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?

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 $859.

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

Direct flights

None
There are no direct flights from Helsinki to San Diego. There are no popular flight routes from Helsinki to San Diego.
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
La Mesa
National City
Imperial Beach
Poway
San Ysidro
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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