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$561+ Cheap flights from Oakland, CA (OAK) to Helsinki (HEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — HEL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$611
(Delta)

Popular in

April

Cheapest in

November

Average price

$685
Provider with most accurate pricing for Oakland-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Oakland-Helsinki-Vantaa flights.
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From Oakland to Helsinki-Vantaa
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Highest demand for flights based on searches. 5% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:05 amOAK - HEL
2 stops15h 50mIcelandair
Thu 11/131:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/28$782
This oojo deal was found by Cheapflights users on 10/30. 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 12/711:21 amOAK - HEL
2 stops15h 34mIcelandair
Thu 12/111:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/30$880
This oojo deal was found by Cheapflights users on 10/30. 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.
Wed 12/249:49 amOAK - HEL
2 stops17h 06mIcelandair
Fri 1/91:55 pmHEL - OAK
2 stops16h 45mIcelandair
Deal found 10/30$1,117
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:52 amOAK - HEL
2 stops17h 03mIcelandair
Mon 12/81:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/29$1,283
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:52 amOAK - HEL
2 stops17h 03mIcelandair
Wed 12/31:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/29$1,442
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:05 amOAK - HEL
2 stops15h 50mIcelandair
Sat 11/151:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/27$1,742
This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:05 amOAK - HEL
2 stops15h 50mIcelandair
Tue 11/111:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/28$1,775
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:49 amOAK - HEL
2 stops17h 06mIcelandair
Tue 12/231:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/29$2,393
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:05 amOAK - HEL
2 stops15h 50mIcelandair
Sun 11/161:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/27$2,574
This lastminute.com deal was found by Cheapflights users on 10/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:40 amOAK - HEL
2 stops30h 10mMultiple Airlines
Wed 12/246:55 amHEL - OAK
2 stops27h 04mMultiple Airlines
Deal found 10/28$2,628
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:49 amOAK - HEL
2 stops17h 06mIcelandair
Wed 12/311:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/29$2,788
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:49 amOAK - HEL
2 stops17h 06mIcelandair
Thu 12/251:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 10/29$3,043

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 October 30, 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

Wed 3/4

5:55 am-4:25 pm

2 stops24h 30m

Helsinki-Vantaa

Sun 3/8

2:05 pm-4:34 pm

2 stops35h 29m

$561

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Wed 3/4

5:55 am-4:25 pm

2 stops24h 30m

Helsinki-Vantaa

Sun 3/8

6:20 pm-4:34 pm

2 stops31h 14m

$663

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Mon 4/27

2:50 pm-2:00 pm

2 stops37h 10m

Helsinki-Vantaa

Wed 5/6

3:00 pm-11:39 pm

2 stops18h 39m

$761

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Fri 1/9

8:10 am-12:55 pm

2 stops18h 45m

Helsinki-Vantaa

Fri 1/16

1:55 pm-8:40 pm

2 stops16h 45m

$802

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Sun 12/7

11:21 am-12:55 pm

2 stops15h 34m

Helsinki-Vantaa

Thu 12/11

1:55 pm-11:59 pm

2 stops20h 04m

$880

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Wed 12/24

9:49 am-12:55 pm

2 stops17h 06m

Helsinki-Vantaa

Fri 1/9

1:55 pm-8:40 pm

2 stops16h 45m

$1,117

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Mon 12/1

9:52 am-12:55 pm

2 stops17h 03m

Helsinki-Vantaa

Mon 12/8

1:55 pm-11:59 pm

2 stops20h 04m

$1,283

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Wed 11/26

9:52 am-12:55 pm

2 stops17h 03m

Helsinki-Vantaa

Wed 12/3

1:55 pm-11:59 pm

2 stops20h 04m

$1,442

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

$2,147

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

Thu 12/18

9:49 am-12:55 pm

2 stops17h 06m

Helsinki-Vantaa

Tue 12/23

1:55 pm-11:59 pm

2 stops20h 04m

$2,393

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 12 results
1
2

Compare providers for flights from Oakland 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 Oakland to Helsinki in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 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, February is the cheapest month in which you can book a flight from Oakland, California to Helsinki (average of $482). Flying from Oakland, California to Helsinki in July is currently the most expensive (average of $911). 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 $561, Delta can have you in Helsinki from Oakland, California in 24h 30m. Oakland, California and Helsinki are separated by a distance of 5409 mi. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from Oakland, California to Helsinki (average of $482). Flying from Oakland, California to Helsinki in July is currently the most expensive (average of $911). 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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