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Cheap flights from San Diego to Helsinki from $449

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Helsinki departing on 3/12. 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 San Diego to Helsinki

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:00 pm - 11:35 am
SAN
-
HEL
31h 35m2 stops
British Airways Logo
12:30 pm - 10:30 pm
HEL
-
SAN
19h 00m1 stop
$449British Airways
Thu, Mar 12 - Tue, Mar 17
Multiple Airlines Logo
6:00 pm - 9:10 pm
SAN
-
HEL
17h 10m1 stop
Multiple Airlines Logo
12:30 pm - 8:37 pm
HEL
-
SAN
18h 07m1 stop
$453Multiple Airlines
Mon, Feb 2 - Tue, Feb 17
British Airways Logo
7:00 pm - 11:35 am
SAN
-
HEL
31h 35m2 stops
British Airways Logo
11:10 am - 5:10 pm
HEL
-
SAN
39h 00m2 stops
$455British Airways
Thu, Mar 12 - Tue, Mar 17
Delta Logo
10:15 pm - 4:25 pm
SAN
-
HEL
32h 10m2 stops
Delta Logo
7:00 am - 6:45 pm
HEL
-
SAN
21h 45m2 stops
$475Delta
Mon, Feb 2 - Tue, Feb 17
United Airlines Logo
5:35 pm - 11:35 pm
SAN
-
HEL
20h 00m1 stop
United Airlines Logo
1:50 pm - 9:47 am
HEL
-
SAN
28h 57m2 stops
$485United Airlines
Wed, Mar 4 - Sun, Mar 8
KLM Logo
3:00 pm - 12:05 am
SAN
-
HEL
24h 05m1 stop
KLM Logo
2:05 pm - 1:05 pm
HEL
-
SAN
32h 00m1 stop
$486KLM
Thu, Mar 12 - Wed, Mar 18
United Airlines Logo
6:35 pm - 6:50 pm
SAN
-
HEL
15h 15m1 stop
United Airlines Logo
12:45 pm - 8:40 am
HEL
-
SAN
28h 55m2 stops
$487United Airlines
Thu, Mar 12 - Wed, Mar 18
United Airlines Logo
5:35 pm - 6:50 pm
SAN
-
HEL
15h 15m1 stop
United Airlines Logo
6:55 am - 7:40 am
HEL
-
SAN
34h 45m2 stops
$495United Airlines
Wed, Mar 4 - Sun, Mar 8
Lufthansa Logo
11:10 am - 6:50 pm
SAN
-
HEL
21h 40m2 stops
Lufthansa Logo
7:35 pm - 3:45 pm
HEL
-
SAN
30h 10m1 stop
$501Lufthansa
Mon, Feb 2 - Tue, Feb 17
United Airlines Logo
9:00 am - 1:20 am
SAN
-
HEL
30h 20m2 stops
United Airlines Logo
1:50 pm - 9:47 am
HEL
-
SAN
28h 57m2 stops
$511United Airlines
Wed, Mar 4 - Sun, Mar 8

Delta flights from San Diego to Helsinki

Our best Delta deals on San Diego to Helsinki flight tickets
Delta
Feb 2
SAN10:15 pmSan Diego
32h 10m
2 stops
HEL4:25 pmHelsinki-Vantaa
Feb 17
HEL7:00 amHelsinki-Vantaa
21h 45m
2 stops
SAN6:45 pmSan Diego
$475
Delta
Jan 14
SAN6:15 amSan Diego
24h 10m
2 stops
HEL4:25 pmHelsinki-Vantaa
Jan 21
HEL6:30 amHelsinki-Vantaa
26h 01m
2 stops
SAN10:31 pmSan Diego
$484
Delta
Mar 13
SAN6:20 amSan Diego
26h 05m
2 stops
HEL5:25 pmHelsinki-Vantaa
Mar 18
HEL7:00 amHelsinki-Vantaa
24h 28m
2 stops
SAN10:28 pmSan Diego
$601

United Airlines flights from San Diego to Helsinki

Our best United Airlines deals on San Diego to Helsinki flight tickets
United Airlines
Mar 4
SAN5:35 pmSan Diego
20h 00m
1 stop
HEL11:35 pmHelsinki-Vantaa
Mar 8
HEL1:50 pmHelsinki-Vantaa
28h 57m
2 stops
SAN9:47 amSan Diego
$485
United Airlines
Mar 12
SAN6:35 pmSan Diego
15h 15m
1 stop
HEL6:50 pmHelsinki-Vantaa
Mar 18
HEL12:45 pmHelsinki-Vantaa
28h 55m
2 stops
SAN8:40 amSan Diego
$487
United Airlines
Mar 4
SAN5:35 pmSan Diego
15h 15m
1 stop
HEL6:50 pmHelsinki-Vantaa
Mar 8
HEL6:55 amHelsinki-Vantaa
34h 45m
2 stops
SAN7:40 amSan Diego
$495

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 January 8, 2026.
Use the filters below to find and compare flights from San Diego to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 3/12

7:00 pm-11:35 am

2 stops31h 35m

Helsinki-Vantaa

Tue 3/17

12:30 pm-10:30 pm

1 stop19h 00m

$449

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 2/2

6:00 pm-9:10 pm

1 stop17h 10m

Helsinki-Vantaa

Tue 2/17

12:30 pm-8:37 pm

1 stop18h 07m

$453

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 3/12

7:00 pm-11:35 am

2 stops31h 35m

Helsinki-Vantaa

Tue 3/17

11:10 am-5:10 pm

2 stops39h 00m

$455

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 2/2

10:15 pm-4:25 pm

2 stops32h 10m

Helsinki-Vantaa

Tue 2/17

7:00 am-6:45 pm

2 stops21h 45m

$475

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 3/4

5:35 pm-11:35 pm

1 stop20h 00m

Helsinki-Vantaa

Sun 3/8

1:50 pm-9:47 am

2 stops28h 57m

$485

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 3/12

3:00 pm-12:05 am

1 stop24h 05m

Helsinki-Vantaa

Wed 3/18

2:05 pm-1:05 pm

1 stop32h 00m

$486

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Thu 3/12

6:35 pm-6:50 pm

1 stop15h 15m

Helsinki-Vantaa

Wed 3/18

12:45 pm-8:40 am

2 stops28h 55m

$487

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 3/4

5:35 pm-6:50 pm

1 stop15h 15m

Helsinki-Vantaa

Sun 3/8

6:55 am-7:40 am

2 stops34h 45m

$495

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Mon 2/2

11:10 am-6:50 pm

2 stops21h 40m

Helsinki-Vantaa

Tue 2/17

7:35 pm-3:45 pm

1 stop30h 10m

$501

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

Wed 3/4

9:00 am-1:20 am

2 stops30h 20m

Helsinki-Vantaa

Sun 3/8

1:50 pm-9:47 am

2 stops28h 57m

$511

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Helsinki from

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

What is the cheapest month to fly to Helsinki?

The month of January is, on average, the cheapest month to fly to Helsinki from San Diego, with most prices found around $482. If you aren’t able to travel during the month of January, then book flights to Helsinki from San Diego during October instead. Flights to Helsinki in October, while not as cheap as those in January, still average around $517.

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

You could potentially save up to 41% on your flight if you consider stops on a San Diego to Helsinki flight.

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

Fastest flight time

16h 45m

Direct flights

None
The fastest flight from San Diego to Helsinki takes 16h 45m
There are no direct flights from San Diego to Helsinki. There are no popular flight routes from San Diego to Helsinki.
Search flight deals

  • 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 16h 45m.

  • 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?

  • 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?

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
LufthansaPriceFrom $473Free CancellationRating
6.8
7,692 reviews
Search Lufthansa flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
11,095 reviews
Search American Airlines flights
FinnairPriceFrom $490Free CancellationRating
7.6
1,346 reviews
Search Finnair flights
British AirwaysPriceFrom $527Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
DeltaPriceFrom $560Free CancellationRating
7.9
8,025 reviews
Search Delta flights

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
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.

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