San Diego (SAN) to Helsinki (HEL) cheap flight deal from $437 USD in economy class

AAAmerican Airlines

AYFinnair

Round Trip•Economy

SAN

San Diego International Airport

San Diego, United States

HEL

Helsinki Airport

Helsinki, Finland

$746 USD

-41%$437 USD

Verified Sep 19, 2025 at 2:50 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

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Sun

29$918 30$686 1$636 2$1,046 3$982 4$987 5$706 6$656 7$587 8$587 9$932 10$921 11$662 12$557 13$557 14$482 15$482 16$657 17$532 18$657 19$482 20$482 21$482 22$482 23$532 24$841 25$617 26$507 27$482 28$482 29$467 30$532 31$561 1 2

Limited Availability

11% of dates checked are available within 10% of the lowest price

Saturday, October 4th, 2025

10 round-trip options

Returning

Thu, Oct 9, 2025•5 Day Trip

$1,827 USD

Google Flights

Returning

Fri, Oct 10, 2025•6 Day Trip

$1,831 USD

Google Flights

Returning

Sat, Oct 11, 2025•7 Day Trip

$2,199 USD

Google Flights

Returning

Sun, Oct 12, 2025•8 Day Trip

$1,138 USD

Google Flights

Returning

Mon, Oct 13, 2025•9 Day Trip

$1,398 USD

Google Flights

Returning

Tue, Oct 14, 2025•10 Day Trip

$1,037 USD

Google Flights

Returning

Wed, Oct 15, 2025•11 Day Trip

$987 USD

Google Flights

Returning

Thu, Oct 16, 2025•12 Day Trip

$1,102 USD

Google Flights

Returning

Fri, Oct 17, 2025•13 Day Trip

$1,375 USD

Google Flights

Returning

Sat, Oct 18, 2025•14 Day Trip

$1,425 USD

Google Flights