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$445+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — HEL
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$602
(Delta)

One-way from

$445
(Delta)

Popular in

April

Cheapest in

November

Average price

$880
From Oakland to Helsinki-Vantaa
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One-way flight from Oakland to Helsinki-Vantaa
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Highest demand for flights based on searches. 5% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 17, 2025.

This Finnair deal was found by Cheapflights users on 9/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/36:40 amOAK - HEL
2 stops21h 15mMultiple Airlines
lun. 12/84:50 pmHEL - OAK
2 stops30h 47mMultiple Airlines
Deal found 9/16$798
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1211:05 amOAK - HEL
2 stops15h 50mIcelandair
mar. 11/181:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$842
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/92:33 pmOAK - HEL
2 stops37h 27mIcelandair
jue. 11/61:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$932
This oojo deal was found by Cheapflights users on 9/17. 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.
jue. 12/411:21 amOAK - HEL
2 stops15h 34mIcelandair
jue. 12/111:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/17$933
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3111:05 amOAK - HEL
2 stops16h 50mIcelandair
jue. 11/61:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$971
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1511:03 amOAK - HEL
2 stops16h 57mIcelandair
lun. 10/203:00 pmHEL - OAK
2 stops19h 03mIcelandair
Deal found 9/15$1,026
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/259:49 amOAK - HEL
2 stops17h 06mIcelandair
mar. 1/61:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$1,104
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/259:49 amOAK - HEL
2 stops17h 06mIcelandair
mié. 12/311:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$1,176
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:49 amOAK - HEL
2 stops17h 06mIcelandair
mar. 1/61:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$1,229
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/229:35 amOAK - HEL
2 stops17h 20mMultiple Airlines
mié. 12/311:55 pmHEL - OAK
2 stops20h 04mMultiple Airlines
Deal found 9/16$1,231
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:49 amOAK - HEL
2 stops17h 06mIcelandair
mié. 12/311:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$1,302
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/259:49 amOAK - HEL
2 stops17h 06mIcelandair
lun. 1/51:55 pmHEL - OAK
2 stops20h 04mIcelandair
Deal found 9/16$1,332

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 septiembre 17, 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

mié. 3/4

5:55 am-4:25 pm

2 stops24h 30m

Helsinki-Vantaa

dom. 3/8

6:30 am-10:53 pm

2 stops26h 23m

$602

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

jue. 12/4

11:21 am-12:55 pm

2 stops15h 34m

Helsinki-Vantaa

jue. 12/11

1:55 pm-11:59 pm

2 stops20h 04m

$933

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

mié. 12/24

9:49 am-12:55 pm

2 stops17h 06m

Helsinki-Vantaa

mar. 1/6

1:55 pm-11:59 pm

2 stops20h 04m

$1,229

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

mié. 12/17

11:21 am-12:55 pm

2 stops15h 34m

Helsinki-Vantaa

vie. 12/26

1:55 pm-11:59 pm

2 stops20h 04m

$1,402

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

lun. 12/22

9:49 am-12:55 pm

2 stops17h 06m

Helsinki-Vantaa

mar. 1/6

1:55 pm-11:59 pm

2 stops20h 04m

$1,533

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

lun. 12/22

9:49 am-12:55 pm

2 stops17h 06m

Helsinki-Vantaa

lun. 1/5

1:55 pm-11:59 pm

2 stops20h 04m

$1,671

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

mar. 12/23

4:57 pm-5:25 pm

2 stops38h 28m

Helsinki-Vantaa

mar. 12/30

6:30 am-11:58 pm

2 stops27h 28m

$1,755

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

mar. 12/23

4:57 pm-5:25 pm

2 stops38h 28m

Helsinki-Vantaa

jue. 1/1

6:30 am-10:47 pm

2 stops26h 17m

$1,755

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

jue. 12/18

9:49 am-12:55 pm

2 stops17h 06m

Helsinki-Vantaa

lun. 12/22

1:55 pm-11:59 pm

2 stops20h 04m

$1,818

OaklandHelsinki

OAK - HEL

OAKHEL

Oakland

jue. 12/25

5:53 am-4:25 pm

2 stops24h 32m

Helsinki-Vantaa

jue. 1/1

6:30 am-10:47 pm

2 stops26h 17m

$1,887

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 23 results
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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, November is the cheapest month in which you can book a flight from Oakland, California to Helsinki (average of $444). Flying from Oakland, California to Helsinki in June is currently the most expensive (average of $1,082). 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 $933, Delta can have you in Helsinki from Oakland, California in 15h 34m. 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, November is the cheapest month in which you can book a flight from Oakland, California to Helsinki (average of $444). Flying from Oakland, California to Helsinki in June is currently the most expensive (average of $1,082). 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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