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$426+ Cheap flights from Helsinki (HEL) to San Diego (SAN)

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — SAN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Helsinki to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$846
(Sembo)

One-way from

$426
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,114
Provider with most accurate pricing for Helsinki-Vantaa-San Diego flight deals.
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Provider most trusted by Cheapflights users for Helsinki-Vantaa-San Diego flights.
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From Helsinki-Vantaa to San Diego
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One-way flight from Helsinki-Vantaa to San Diego
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Highest demand for flights based on searches. 5% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Helsinki to San Diego

Cheapest flights from Helsinki to San Diego
Explore the most affordable flight options available from Helsinki to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Sembo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:00 pmHEL - SAN
2 stops17h 53mIcelandair
Wed 10/1511:30 amSAN - HEL
2 stops16h 30mIcelandair
Deal found 4/28$846
This Ticket deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:00 amHEL - SAN
1 stop15h 00mKLM
Tue 5/201:55 pmSAN - HEL
1 stop24h 25mKLM
Deal found 4/29$868
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/181:55 pmHEL - SAN
2 stops19h 47mDelta
Sun 5/257:20 amSAN - HEL
2 stops23h 20mDelta
Deal found 4/27$883
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/123:00 pmHEL - SAN
2 stops17h 44mMultiple Airlines
Mon 5/198:50 pmSAN - HEL
2 stops31h 10mMultiple Airlines
Deal found 4/28$913
This Lufthansa deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/196:00 amHEL - SAN
1 stop19h 25mLufthansa
Mon 5/265:15 pmSAN - HEL
1 stop32h 40mLufthansa
Deal found 4/28$920
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/151:35 pmHEL - SAN
2 stops20h 48mUnited Airlines
Tue 5/205:15 pmSAN - HEL
1 stop15h 40mUnited Airlines
Deal found 4/29$932
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:15 amHEL - SAN
2 stops21h 34mScandinavian Airlines
Wed 10/1511:05 amSAN - HEL
3 stops23h 20mScandinavian Airlines
Deal found 4/28$981

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Helsinki to San Diego that are best for you.

Fly from

Helsinki

Fly to

San Diego

Route

Depart

Return

Price

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Wed 10/1

3:00 pm-10:53 pm

2 stops17h 53m

San Diego

Wed 10/15

11:30 am-2:00 pm

2 stops16h 30m

$846

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 5/15

7:00 am-12:00 pm

1 stop15h 00m

San Diego

Tue 5/20

1:55 pm-12:20 am

1 stop24h 25m

$868

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Sun 5/18

1:55 pm-11:42 pm

2 stops19h 47m

San Diego

Sun 5/25

7:20 am-4:40 pm

2 stops23h 20m

$883

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Mon 5/12

3:00 pm-10:44 pm

2 stops17h 44m

San Diego

Mon 5/19

8:50 pm-2:00 pm

2 stops31h 10m

$913

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Mon 5/19

6:00 am-3:25 pm

1 stop19h 25m

San Diego

Mon 5/26

5:15 pm-11:55 am

1 stop32h 40m

$920

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 5/15

1:35 pm-12:23 am

2 stops20h 48m

San Diego

Tue 5/20

5:15 pm-6:55 pm

1 stop15h 40m

$932

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Wed 10/1

11:15 am-10:49 pm

2 stops21h 34m

San Diego

Wed 10/15

11:05 am-8:25 pm

3 stops23h 20m

$981

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 6/12

1:45 pm-6:26 pm

3 stops38h 41m

$426

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Thu 6/12

6:00 am-3:25 pm

1 stop19h 25m

$899

HelsinkiSan Diego

HEL - SAN

HELSAN

Helsinki-Vantaa

Tue 6/10

7:00 am-12:00 pm

1 stop15h 00m

$979

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 12 results
1
2

Compare providers for flights from Helsinki to San Diego

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 Helsinki to San Diego in April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 Helsinki-San Diego flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Helsinki-San Diego flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Helsinki-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-San Diego flights, Cheapflights users trust AranGrant the most. AranGrant 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 Helsinki-San Diego 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 Helsinki to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Helsinki 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 Helsinki to San Diego

What is the cheapest month to book a flight from Helsinki to San Diego?

Currently, August is the cheapest month in which you can book a flight from Helsinki to San Diego (average of $286). Flying from Helsinki to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Helsinki to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Helsinki to San Diego as you normally would.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated April 29, 2025.
Read through reviews of airlines operating flights from Helsinki to San Diego, such as Delta, KLM and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Scandinavian Airlines
7.3
Good
1,349 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    According to our current data, Icelandair ($846), KLM ($868), and Delta ($883) offers the cheapest pricing from Helsinki to San Diego. You may be able to fly from Helsinki to San Diego for 14% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Helsinki to San Diego one-way?

    The cheapest airlines for a one-way flight from Helsinki to San Diego are Lufthansa ($899), Delta ($979), and KLM ($980).

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Helsinki to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Helsinki to San Diego (average of $286). Flying from Helsinki to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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Top airline flying from Helsinki to San Diego

Discover the top airline that operate flights from Helsinki to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$849Average$887FlexibilityNo cancel feeOn-time76%

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