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$641+ Cheap flights from Oakland, CA (OAK) 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — HEL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oakland to Helsinki

Cheapest flights from Oakland to Helsinki
Explore the most affordable flight options available from Oakland to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This British Airways deal was found by Cheapflights users on 12/16. 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.
Sat 12/203:01 pmOAK - HEL
2 stops20h 09mBritish Airways
Sun 12/287:50 amHEL - OAK
2 stops26h 09mBritish Airways
Deal found 12/16$7,720
This British Airways deal was found by Cheapflights users on 12/16. 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.
Mon 12/223:01 pmOAK - HEL
2 stops20h 09mBritish Airways
Mon 12/297:50 amHEL - OAK
2 stops26h 09mBritish Airways
Deal found 12/16$8,272
This Turkish Airlines deal was found by Cheapflights users on 12/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:10 amOAK - HEL
2 stops49h 55mMultiple Airlines
Sun 12/2812:30 pmHEL - OAK
2 stops54h 36mMultiple Airlines
Deal found 12/16$8,510
This Turkish Airlines deal was found by Cheapflights users on 12/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:10 amOAK - HEL
2 stops49h 55mMultiple Airlines
Mon 12/2912:30 pmHEL - OAK
2 stops54h 36mMultiple Airlines
Deal found 12/15$8,750
This British Airways deal was found by Cheapflights users on 12/16. 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.
Fri 12/199:49 amOAK - HEL
2 stops27h 11mBritish Airways
Sun 12/2811:20 amHEL - OAK
2 stops22h 39mBritish Airways
Deal found 12/16$9,900

Find flight deals from Oakland to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$822
(oojo)

One-way from

$641
(oojo)

Popular in

June

Cheapest in

October

Average price

$993
Provider with most accurate pricing for Oakland-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oakland-Helsinki-Vantaa flights.
Search Deals
From Oakland to Helsinki-Vantaa
Search Deals
One-way flight from Oakland to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($207 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

 
Customize your flight search to find flights from Oakland 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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Oakland to Helsinki that are best for you.

Fly from

Oakland

Fly to

Helsinki

Route

Depart

Return

Price

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Mon 1/12

8:10 am-12:55 pm

2 stops18h 45m

Helsinki-Vantaa

Fri 1/16

1:55 pm-8:40 pm

2 stops16h 45m

$822

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Tue 3/10

10:04 am-12:55 pm

2 stops17h 51m

Helsinki-Vantaa

Sat 3/14

1:55 pm-11:58 pm

2 stops19h 03m

$822

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Fri 2/6

8:10 am-12:55 pm

2 stops18h 45m

Helsinki-Vantaa

Fri 2/13

1:55 pm-10:49 pm

2 stops18h 54m

$832

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Wed 3/4

9:54 am-12:55 pm

2 stops17h 01m

Helsinki-Vantaa

Sun 3/8

1:55 pm-11:58 pm

2 stops19h 03m

$862

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Thu 1/22

8:10 am-12:55 pm

2 stops18h 45m

Helsinki-Vantaa

Mon 1/26

1:55 pm-8:40 pm

2 stops16h 45m

$912

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Sun 1/11

11:08 am-12:55 pm

2 stops15h 47m

Helsinki-Vantaa

Fri 1/16

1:55 pm-8:40 pm

2 stops16h 45m

$961

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Sun 1/11

11:08 am-12:55 pm

2 stops15h 47m

Helsinki-Vantaa

Thu 1/22

1:55 pm-8:40 pm

2 stops16h 45m

$3,855

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Sat 1/31

11:08 am-9:10 pm

2 stops24h 02m

Helsinki-Vantaa

Sat 2/7

2:00 pm-8:40 pm

2 stops40h 40m

$15,007

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Mon 1/12

11:43 am-9:10 pm

2 stops23h 27m

$641

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Sat 2/21

6:15 am-3:15 pm

2 stops23h 00m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Oakland, California-Helsinki flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oakland, California-Helsinki flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Oakland, California-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-Helsinki flights, Cheapflights users trust eDreams the most. eDreams 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 Oakland, California-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 Oakland to Helsinki

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

What is the cheapest month to book a flight from Oakland, California to Helsinki?

Currently, January is the cheapest month in which you can book a flight from Oakland, California to Helsinki (average of $485). Flying from Oakland, California to Helsinki in June is currently the most expensive (average of $941). 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.

Related info for your journey

Find useful and relevant information for your journey from Oakland 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 Oakland, California to Helsinki?

    For as low as $822, Icelandair can have you in Helsinki from Oakland, California in 18h 45m. Oakland, California and Helsinki are separated by a distance of 5409 mi.

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

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

  • How can I find direct flights from Oakland to Helsinki?

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

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

    Yes. Cheapflights offers flight deals from Oakland 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.

  • What is the cheapest month to book a flight from Oakland, California to Helsinki?

    Currently, January is the cheapest month in which you can book a flight from Oakland, California to Helsinki (average of $485). Flying from Oakland, California to Helsinki in June is currently the most expensive (average of $941). 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
Vantaa
Lahti

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