$343+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HEL
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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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
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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
Best
Last-minute
One-way
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 August 27, 2026.
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 August 27, 2026.
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:02 am -
2 stops18h 18m
Tue 10/136:10 am -
2 stops25h 52m
Deal found 8/26![Scandinavian Airlines logo]()
$794
This oojo deal was found by Cheapflights users on 8/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:00 am -
2 stops21h 25m
Tue 12/16:15 am -
2 stops26h 42m
Deal found 8/23![Scandinavian Airlines logo]()
$799
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:40 pm -
1 stop15h 20m
Tue 10/1312:20 pm -
1 stop17h 44m
Deal found 8/26![American Airlines logo]()
$827
This Gotogate deal was found by Cheapflights users on 8/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:15 pm -
1 stop15h 40m
Wed 10/216:00 am -
1 stop19h 25m
Deal found 8/25![Lufthansa logo]()
$828
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:50 am -
1 stop15h 10m
Wed 9/3012:20 pm -
1 stop15h 27m
Deal found 8/24![American Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 8/26. 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.
Tue 10/67:45 am -
2 stops22h 55m
Tue 10/137:00 am -
1 stop14h 50m
Deal found 8/26![Delta logo]()
$838
This Delta deal was found by Cheapflights users on 8/25. 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.
Wed 9/237:30 am -
2 stops19h 25m
Wed 9/307:15 am -
2 stops23h 13m
Deal found 8/25![Delta logo]()
$849
This SmartFares deal was found by Cheapflights users on 8/24. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:15 pm -
1 stop22h 20m
Thu 10/156:00 am -
1 stop19h 25m
Deal found 8/24![Lufthansa logo]()
$859
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 10/117:45 am -
3 stops22h 00m
Wed 10/217:15 am -
3 stops26h 31m
Deal found 8/25![Scandinavian Airlines logo]()
$864
This British Airways deal was found by Cheapflights users on 8/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:40 pm -
1 stop17h 20m
Wed 9/3012:20 pm -
1 stop16h 31m
Deal found 8/25![British Airways logo]()
$871
Best flights from San Diego to HelsinkiDiscover 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 August 27, 2026.
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 August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 1/1710:30 pm -
2 stops27h 20m
Thu 1/2112:35 pm -
2 stops41h 14m
Deal found 8/25![United Airlines logo]()
$807
This Finnair deal was found by Cheapflights users on 8/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/207:15 am -
1 stop17h 55m
Thu 3/412:30 pm -
1 stop18h 05m
Deal found 8/23![Multiple Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 8/27. 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.
Sat 2/207:00 am -
2 stops23h 40m
Thu 3/46:40 am -
1 stop15h 30m
Deal found 8/27![Delta logo]()
$833
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/203:59 pm -
2 stops23h 36m
Thu 3/46:15 am -
2 stops27h 30m
Deal found 8/27![Scandinavian Airlines logo]()
$842
This Delta deal was found by Cheapflights users on 8/23. 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 11/111:02 am -
2 stops19h 38m
Tue 12/16:40 am -
1 stop15h 30m
Deal found 8/23![Delta logo]()
$838
This Delta deal was found by Cheapflights users on 8/24. 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.
Wed 9/237:30 am -
2 stops19h 25m
Wed 9/307:15 am -
2 stops23h 13m
Deal found 8/24![Delta logo]()
$849
Last-minute flights from San Diego to HelsinkiDiscover last-minute flight deals from San Diego to Helsinki. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Helsinki. Data last updated August 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:50 am -
1 stop15h 10m
Wed 9/3012:20 pm -
1 stop15h 27m
Deal found 8/24![American Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 8/25. 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.
Wed 9/237:30 am -
2 stops19h 25m
Wed 9/307:15 am -
2 stops23h 13m
Deal found 8/25![Delta logo]()
$849
This British Airways deal was found by Cheapflights users on 8/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:40 pm -
1 stop17h 20m
Wed 9/3012:20 pm -
1 stop16h 31m
Deal found 8/25![British Airways logo]()
$871
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. 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 9/237:30 am -
2 stops26h 55m
Wed 9/307:15 am -
3 stops26h 19m
Deal found 8/25![Scandinavian Airlines logo]()
$1,027
This Expedia deal was found by Cheapflights users on 8/26. 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.
Wed 9/303:56 pm -
2 stops23h 39m
Sat 10/1712:50 pm -
1 stop36h 35m
Deal found 8/26![Lufthansa logo]()
$902
This British Airways deal was found by Cheapflights users on 8/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:45 pm -
1 stop20h 15m
Sat 10/1712:35 pm -
1 stop16h 27m
Deal found 8/26![British Airways logo]()
$921
One-way flights from San Diego to HelsinkiSearch for one-way flight options from San Diego to Helsinki. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from San Diego to Helsinki. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:22 pm -
3 stops40h 13m
Deal found 8/26![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:30 pm -
2 stops35h 15m
Deal found 8/26![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:50 pm -
3 stops40h 55m
Deal found 8/25![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:30 pm -
3 stops33h 20m
Deal found 8/26![Multiple Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:25 am -
2 stops18h 05m
Deal found 8/26![American Airlines logo]()
$364
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/282:00 pm -
2 stops42h 45m
Deal found 8/26![Air Canada logo]()
$368
This Delta deal was found by Cheapflights users on 8/26. 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 11/297:20 am -
2 stops23h 20m
Deal found 8/26![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 11/307:30 am -
2 stops25h 15m
Deal found 8/26![United Airlines logo]()
$372
Find flight deals from San Diego to Helsinki
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Helsinki (HEL). 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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $762 (Expedia) |
One-way from | $343 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,188 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated August 27, 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
Cheapest round-trip
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Sun 1/17
10:30 pm-11:50 am
2 stops27h 20m
Helsinki-Vantaa
Thu 1/21
12:35 pm-7:49 pm
2 stops41h 14m
$807
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Sat 2/20
7:15 am-11:10 am
1 stop17h 55m
Helsinki-Vantaa
Thu 3/4
12:30 pm-8:35 pm
1 stop18h 05m
$823
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Sat 2/20
7:00 am-4:40 pm
2 stops23h 40m
Helsinki-Vantaa
Thu 3/4
6:40 am-12:10 pm
1 stop15h 30m
$833
Quickest round-trip
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Sun 11/1
11:02 am-4:40 pm
2 stops19h 38m
Helsinki-Vantaa
Tue 12/1
6:40 am-12:10 pm
1 stop15h 30m
$838
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Sat 2/20
3:59 pm-1:35 am
2 stops23h 36m
Helsinki-Vantaa
Thu 3/4
6:15 am-11:45 pm
2 stops27h 30m
$842
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Wed 9/23
7:30 am-12:55 pm
2 stops19h 25m
Helsinki-Vantaa
Wed 9/30
7:15 am-8:28 pm
2 stops23h 13m
$849
Cheapest one-way
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Thu 10/1
3:50 pm-6:45 pm
3 stops40h 55m
$355
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Sun 11/29
7:20 am-4:40 pm
2 stops23h 20m
$369
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Tue 12/1
6:20 am-6:45 pm
3 stops26h 25m
$372
Quickest one-way
San DiegoHelsinki
SAN San Diego - HEL Helsinki-Vantaa
SANHEL
San Diego
Fri 12/4
5:35 pm-6:45 pm
1 stop15h 10m
$418
Showing 1-10 of 16 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Helsinki flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SAN-HEL
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 month to book a flight from San Diego to Helsinki?
Currently, October is the cheapest month in which you can book a flight from San Diego to Helsinki (average of $530). Flying from San Diego to Helsinki in June is currently the most expensive (average of $1,330). 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.
How much does it cost to fly round-trip from San Diego to Helsinki?
Airfare is below average for this route at the moment.
San Diego to Helsinki flights typically cost between $884 and $947 in October.The cheapest round-trip price found within the last 5 days was $794 on Scandinavian Airlines (Oct 6-Oct 13).
Reviews of airlines servicing Helsinki
Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated August 27, 2026.
Get a feel of what it's like to fly with Finnair,American Airlines, andLufthansa 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.
Food
6.7
Boarding
7.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Comfort
7.4
Reviews
1 / 20
6.0
GoodGurinder,Aug 2026
BKK - HEL
Food
6.7
Boarding
7.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Comfort
7.4
Reviews
1 / 20
6.0
GoodGurinder,Aug 2026
BKK - HEL
Food
6.7
Boarding
7.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Comfort
7.4
Reviews
1 / 20
6.0
GoodGurinder,Aug 2026
BKK - HEL
Food
6.7
Boarding
7.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Comfort
7.4
Reviews
1 / 20
6.0
GoodGurinder,Aug 2026
BKK - HEL
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.
Traveling to a place near Helsinki?
Book flights to Helsinki if you plan to visit one of these locationsVantaa
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Complete your trip
Complete your trip to Helsinki by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Helsinki
Explore flights to Helsinki departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
San Diego and Helsinki flights
Browse other San Diego and Helsinki flight options. Last updated on August 27, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from San Diego to Helsinki
Discover the top 3 airlines that operate flights from San Diego to Helsinki. 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$431 | Average$563 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$473 | Average$545 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$706 | Average$934 | FlexibilityNo cancel fee | On-time76% |