How long is the flight from San Diego to Helsinki?

Airlines like American Airlines, Delta, and United Airlines fly from San Diego to Helsinki in about 17h 46m. The time it takes to get you to your destination can typically vary by up to 14h 24m. San Diego and Helsinki are separated by a distance of 5655 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from San Diego to Helsinki round-trip?

Our cheapest airline available from San Diego to Helsinki is Lufthansa. Our recent data shows that you can find tickets from as low as $473 on this airline. Additional options worth looking into are American Airlines and Finnair, starting at $481 and $490 round-trip. These flights start at 42% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

What are the most popular airlines that fly from San Diego to Helsinki?

Before booking your flight from San Diego to Helsinki check out the most popular airlines for this route: American Airlines, Lufthansa or British Airways.

Most accurate provider : When it comes to deals on San Diego-Helsinki flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Diego-Helsinki flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from San Diego-Helsinki flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Diego-Helsinki flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from San Diego to Helsinki that include hotel bookings?

Yes. In addition to deals on San Diego to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Diego to Helsinki?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Helsinki.

Can I find deals for business class flights from San Diego to Helsinki?

Yes. Cheapflights offers flight deals from San Diego to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$459+ Flights from San Diego to Helsinki

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San Diego to Helsinki with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to Helsinki

Cheapest flights from San Diego to Helsinki
Explore the most affordable flight options available from San Diego to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

sáb. 12/204:10 pmSAN - HEL

2 stops38h 30mUnited Airlines

sáb. 1/36:55 amHEL - SAN

2 stops42h 06mUnited Airlines

Deal found 12/10

$2,289

sáb. 12/2010:42 amSAN - HEL

1 stop14h 03mMultiple Airlines

sáb. 1/31:15 pmHEL - SAN

2 stops36h 50mMultiple Airlines

Deal found 12/10

$4,330

Best flights from San Diego to Helsinki
Discover carefully curated flight deals from San Diego to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

lun. 1/129:21 amSAN - HEL

1 stop15h 24mMultiple Airlines

lun. 1/1912:30 pmHEL - SAN

1 stop16h 42mMultiple Airlines

Deal found 12/11

$483

lun. 1/1210:09 amSAN - HEL

2 stops17h 46mAmerican Airlines

lun. 1/1912:45 pmHEL - SAN

1 stop20h 24mAmerican Airlines

Deal found 12/11

$487

lun. 1/1210:15 pmSAN - HEL

2 stops32h 10mDelta

dom. 1/252:05 pmHEL - SAN

2 stops36h 31mDelta

Deal found 12/11

$488

jue. 1/156:15 amSAN - HEL

2 stops26h 35mUnited Airlines

lun. 1/261:55 pmHEL - SAN

2 stops31h 58mUnited Airlines

Deal found 12/10

$494

jue. 1/154:00 pmSAN - HEL

2 stops23h 20mLufthansa

lun. 1/261:55 pmHEL - SAN

2 stops20h 20mLufthansa

Deal found 12/11

$495

lun. 1/124:20 pmSAN - HEL

2 stops18h 00mScandinavian Airlines

lun. 1/199:00 pmHEL - SAN

2 stops35h 47mScandinavian Airlines

Deal found 12/11

$511

jue. 1/2210:50 amSAN - HEL

1 stop13h 55mFinnair

sáb. 1/3112:45 pmHEL - SAN

1 stop20h 24mFinnair

Deal found 12/11

$559

jue. 1/2211:43 amSAN - HEL

2 stops18h 42mMultiple Airlines

sáb. 1/317:00 amHEL - SAN

2 stops22h 10mMultiple Airlines

Deal found 12/11

$496

jue. 1/229:55 amSAN - HEL

2 stops29h 25mLufthansa

sáb. 1/317:35 pmHEL - SAN

1 stop30h 10mLufthansa

Deal found 12/11

$502

mié. 1/147:52 pmSAN - HEL

2 stops43h 28mUnited Airlines

dom. 1/181:50 pmHEL - SAN

2 stops53h 50mUnited Airlines

Deal found 12/10

$535

mié. 1/1410:37 amSAN - HEL

2 stops38h 03mScandinavian Airlines

dom. 1/1811:20 amHEL - SAN

2 stops22h 45mScandinavian Airlines

Deal found 12/9

$545

Last-minute flights from San Diego to Helsinki
Discover last-minute flight deals from San Diego to Helsinki. Data last updated diciembre 12, 2025 and is based on user searches.

lun. 1/129:21 amSAN - HEL

1 stop15h 24mMultiple Airlines

lun. 1/1912:30 pmHEL - SAN

1 stop16h 42mMultiple Airlines

Deal found 12/11

$483

lun. 1/1210:09 amSAN - HEL

2 stops17h 46mAmerican Airlines

lun. 1/1912:45 pmHEL - SAN

1 stop20h 24mAmerican Airlines

Deal found 12/11

$487

lun. 1/1210:15 pmSAN - HEL

2 stops32h 10mDelta

dom. 1/252:05 pmHEL - SAN

2 stops36h 31mDelta

Deal found 12/11

$488

lun. 1/124:20 pmSAN - HEL

2 stops18h 00mScandinavian Airlines

lun. 1/199:00 pmHEL - SAN

2 stops35h 47mScandinavian Airlines

Deal found 12/11

$511

mié. 1/147:52 pmSAN - HEL

2 stops43h 28mUnited Airlines

dom. 1/181:50 pmHEL - SAN

2 stops53h 50mUnited Airlines

Deal found 12/10

$535

mié. 1/1410:37 amSAN - HEL

2 stops38h 03mScandinavian Airlines

dom. 1/1811:20 amHEL - SAN

2 stops22h 45mScandinavian Airlines

Deal found 12/9

$545

jue. 1/156:15 amSAN - HEL

2 stops26h 35mUnited Airlines

lun. 1/261:55 pmHEL - SAN

2 stops31h 58mUnited Airlines

Deal found 12/10

$494

jue. 1/154:00 pmSAN - HEL

2 stops23h 20mLufthansa

lun. 1/261:55 pmHEL - SAN

2 stops20h 20mLufthansa

Deal found 12/11

$495

jue. 1/154:20 pmSAN - HEL

3 stops21h 25mScandinavian Airlines

lun. 1/2611:20 amHEL - SAN

2 stops22h 45mScandinavian Airlines

Deal found 12/10

$540

jue. 1/2211:43 amSAN - HEL

2 stops18h 42mMultiple Airlines

sáb. 1/317:00 amHEL - SAN

2 stops22h 10mMultiple Airlines

Deal found 12/11

$496

jue. 1/229:55 amSAN - HEL

2 stops29h 25mLufthansa

sáb. 1/317:35 pmHEL - SAN

1 stop30h 10mLufthansa

Deal found 12/11

$502

jue. 1/2210:50 amSAN - HEL

1 stop13h 55mFinnair

sáb. 1/3112:45 pmHEL - SAN

1 stop20h 24mFinnair

Deal found 12/11

$559

One-way flights from San Diego to Helsinki
Search for one-way flight options from San Diego to Helsinki. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

mié. 1/79:55 amSAN - HEL

2 stops40h 05mLufthansa

Deal found 12/11

$459

mié. 1/73:29 pmSAN - HEL

3 stops55h 11mMultiple Airlines

Deal found 12/11

$482

mié. 1/76:00 pmSAN - HEL

1 stop17h 10mBritish Airways

Deal found 12/11

$486

Find flight deals from San Diego to Helsinki

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$483 (Finnair)
One-way from	$459 (Gurufare)
Popular in	December
Cheapest in	October
Average price	$1,089

Provider with most accurate pricing for San Diego-Helsinki-Vantaa flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Diego-Helsinki-Vantaa flights.

Search Deals

From San Diego to Helsinki-Vantaa

Search Deals

One-way flight from San Diego to Helsinki-Vantaa

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($77 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

lun. 1/12

9:21 am-10:45 am

1 stop15h 24m

Helsinki-Vantaa

lun. 1/19

12:30 pm-7:12 pm

1 stop16h 42m

$483

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

lun. 1/12

10:09 am-1:55 pm

2 stops17h 46m

Helsinki-Vantaa

lun. 1/19

12:45 pm-11:09 pm

1 stop20h 24m

$487

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

lun. 1/12

10:15 pm-4:25 pm

2 stops32h 10m

Helsinki-Vantaa

dom. 1/25

2:05 pm-4:36 pm

2 stops36h 31m

$488

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

jue. 1/15

6:15 am-6:50 pm

2 stops26h 35m

Helsinki-Vantaa

lun. 1/26

1:55 pm-11:53 am

2 stops31h 58m

$494

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

jue. 1/15

4:00 pm-1:20 am

2 stops23h 20m

Helsinki-Vantaa

lun. 1/26

1:55 pm-12:15 am

2 stops20h 20m

$495

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

jue. 1/22

11:43 am-4:25 pm

2 stops18h 42m

Helsinki-Vantaa

sáb. 1/31

7:00 am-7:10 pm

2 stops22h 10m

$496

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

jue. 1/22

9:55 am-1:20 am

2 stops29h 25m

Helsinki-Vantaa

sáb. 1/31

7:35 pm-3:45 pm

1 stop30h 10m

$502

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

lun. 1/12

4:20 pm-8:20 pm

2 stops18h 00m

Helsinki-Vantaa

lun. 1/19

9:00 pm-10:47 pm

2 stops35h 47m

$511

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

mié. 1/14

7:52 pm-1:20 am

2 stops43h 28m

Helsinki-Vantaa

dom. 1/18

1:50 pm-9:40 am

2 stops53h 50m

$535

San DiegoHelsinki

SAN - HEL

SANHEL

San Diego

mié. 1/14

10:37 am-10:40 am

2 stops38h 03m

Helsinki-Vantaa

dom. 1/18

11:20 am-12:05 am

2 stops22h 45m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 results

Compare providers for flights from San Diego to Helsinki

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Helsinki in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Diego-Helsinki flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Diego-Helsinki flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from San Diego-Helsinki flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Diego-Helsinki flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from San Diego with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Helsinki

What is the cheapest time of day to fly from SAN to HEL?

It’s typically best to fly out from San Diego to Helsinki in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Helsinki

Get a feel of what it's like to fly with Delta, Finnair, and American Airlines from San Diego to Helsinki by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

7.9

Good

8,007 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,334 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

11,049 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Lufthansa

6.8

Okay

7,626 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways

6.7

Okay

7,571 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

How long is the flight from San Diego to Helsinki?
Airlines like American Airlines, Delta, and United Airlines fly from San Diego to Helsinki in about 17h 46m. The time it takes to get you to your destination can typically vary by up to 14h 24m. San Diego and Helsinki are separated by a distance of 5655 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from San Diego to Helsinki round-trip?
Our cheapest airline available from San Diego to Helsinki is Lufthansa. Our recent data shows that you can find tickets from as low as $473 on this airline. Additional options worth looking into are American Airlines and Finnair, starting at $481 and $490 round-trip. These flights start at 42% lower than the current average price 3 months from now.
Can I find deals for flights from San Diego to Helsinki that include hotel bookings?
Yes. In addition to deals on San Diego to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Diego to Helsinki?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Helsinki.
Can I find deals for business class flights from San Diego to Helsinki?
Yes. Cheapflights offers flight deals from San Diego to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Vantaa

Lahti

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Diego to Helsinki

Los Angeles to Helsinki flights

San Francisco to Helsinki flights

Santa Ana to Helsinki flights

Ontario to Helsinki flights

Burbank to Helsinki flights

San Jose to Helsinki flights

Oakland to Helsinki flights

Los Angeles to Rovaniemi flights

Reno to Helsinki flights

San Francisco to Rovaniemi flights

Las Vegas to Helsinki flights

San Jose to Rovaniemi flights

Sacramento to Helsinki flights

Los Angeles to Kittilä flights

Los Angeles to Kuusamo flights

San Jose to Oulu flights

San Francisco to Kemi flights

San Francisco to Ivalo flights

San Francisco to Kittilä flights

Los Angeles to Ivalo flights

San Francisco to Joensuu flights

Los Angeles to Kemi flights

Los Angeles to Turku flights

Los Angeles to Tampere flights

San Francisco to Vaasa flights

San Francisco to Turku flights

San Francisco to Oulu flights

San Francisco to Kuopio flights

San Francisco to Tampere flights

San Francisco to Kokkola flights

San Francisco to Kajaani flights

San Francisco to Jyväskylä flights

Other flights to Helsinki

Top 5 airlines flying from San Diego to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$473	Average$810	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$481	Average$845	FlexibilityNo cancel fee	On-time71%
Finnair	Cheapest$490	Average$793	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$527	Average$791	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$560	Average$734	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$459+ Cheap flights from San Diego (SAN) to Helsinki (HEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Helsinki with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Diego to Helsinki

Cheapest flights from San Diego to HelsinkiExplore the most affordable flight options available from San Diego to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Explore the most affordable flight options available from San Diego to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Find flight deals from San Diego to Helsinki

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Helsinki that are best for you.

Compare providers for flights from San Diego to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Helsinki in December.

Best time to book a flight from San Diego to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from San Diego with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Helsinki

What is the cheapest time of day to fly from SAN to HEL?

Reviews of airlines servicing Helsinki

Get a feel of what it's like to fly with Delta, Finnair, and American Airlines from San Diego to Helsinki by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from San Diego to Helsinki?

What are the cheapest airlines flying from San Diego to Helsinki round-trip?

Can I find deals for flights from San Diego to Helsinki that include hotel bookings?

How can I find direct flights from San Diego to Helsinki?

Can I find deals for business class flights from San Diego to Helsinki?

Traveling to a place near Helsinki?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Diego to Helsinki

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Diego to Helsinki
Explore the most affordable flight options available from San Diego to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.