HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo

$240+ Cheap flights from California to Oslo

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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OSL
Jun 22 — Jun 291
Sun 6/22
Sun 6/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California to Oslo 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 California to Oslo

Keep the following information in mind while searching for California to Oslo flight deals. Data was last updated June 17, 2025.

Round-trip from

$496
(British Airways)

One-way from

$240
(Norse)

Popular in

June

Cheapest in

March

Average price

$970
From California to Oslo
Search Deals
One-way flight from California to Oslo
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from California to Oslo

Cheapest flights from California to Oslo
Explore the most affordable flight options available from California to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2025.

This British Airways deal was found by Cheapflights users on 6/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:46 amONT - OSL
2 stops17h 09mBritish Airways
Wed 11/268:45 amOSL - ONT
2 stops18h 04mBritish Airways
Deal found 6/15$496
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:40 pmSJC - OSL
2 stops38h 05mUnited Airlines
Mon 11/249:35 amOSL - SJC
2 stops21h 53mUnited Airlines
Deal found 6/16$522
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:45 pmSJC - OSL
2 stops21h 55mDelta
Fri 8/226:00 amOSL - SJC
2 stops23h 37mDelta
Deal found 6/15$533
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:45 amSNA - OSL
2 stops24h 05mDelta
Fri 8/226:00 amOSL - SNA
2 stops23h 25mDelta
Deal found 6/15$546
This Air Canada deal was found by Cheapflights users on 6/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:40 pmSJC - OSL
3 stops33h 20mAir Canada
Mon 11/246:15 amOSL - SJC
3 stops23h 38mAir Canada
Deal found 6/15$552
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:05 amONT - OSL
2 stops26h 45mDelta
Tue 8/191:15 pmOSL - ONT
2 stops38h 56mDelta
Deal found 6/15$554
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:15 pmONT - OSL
2 stops19h 50mUnited Airlines
Tue 8/266:35 amOSL - ONT
2 stops22h 58mUnited Airlines
Deal found 6/15$561
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/611:35 amSNA - OSL
2 stops21h 25mUnited Airlines
Wed 8/206:50 amOSL - SNA
2 stops23h 43mUnited Airlines
Deal found 6/15$561
This FlightHub deal was found by Cheapflights users on 6/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:00 amSAN - OSL
1 stop14h 50mScandinavian Airlines
Thu 9/257:10 amOSL - SAN
2 stops25h 31mScandinavian Airlines
Deal found 6/17$586
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/52:05 pmBUR - OSL
2 stops23h 05mUnited Airlines
Thu 8/147:15 amOSL - BUR
2 stops22h 20mUnited Airlines
Deal found 6/16$592
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3012:30 pmOAK - OSL
2 stops21h 05mDelta
Mon 8/1811:50 amOSL - OAK
2 stops37h 26mDelta
Deal found 6/15$599
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/162:29 pmLAX - OSL
2 stops16h 51mDelta
Tue 8/196:05 amOSL - LAX
2 stops20h 27mDelta
Deal found 6/16$605

Cheapflights Fare Finder

Customize your flight search to find flights from California to Oslo 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 June 17, 2025.
Use the filters below to find and compare flights from California to Oslo that are best for you.

Fly from

California

Fly to

Oslo

Route

Depart

Return

Price

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Wed 11/12

8:46 am-10:55 am

2 stops17h 09m

Oslo Gardermoen

Wed 11/26

8:45 am-5:49 pm

2 stops18h 04m

$496

San JoseOslo

SJC - OSL

SJCOSL

San Jose

Sat 11/8

6:40 pm-5:45 pm

2 stops38h 05m

Oslo Gardermoen

Mon 11/24

9:35 am-10:28 pm

2 stops21h 53m

$522

San JoseOslo

SJC - OSL

SJCOSL

San Jose

Wed 8/13

1:45 pm-8:40 pm

2 stops21h 55m

Oslo Gardermoen

Fri 8/22

6:00 am-8:37 pm

2 stops23h 37m

$533

Santa AnaOslo

SNA - OSL

SNAOSL

Santa Ana J. Wayne/Orange Cnty

Tue 8/5

9:45 am-6:50 pm

2 stops24h 05m

Oslo Gardermoen

Fri 8/22

6:00 am-8:25 pm

2 stops23h 25m

$546

San JoseOslo

SJC - OSL

SJCOSL

San Jose

Sat 11/8

6:40 pm-1:00 pm

3 stops33h 20m

Oslo Gardermoen

Mon 11/24

6:15 am-8:53 pm

3 stops23h 38m

$552

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Tue 8/5

7:05 am-6:50 pm

2 stops26h 45m

Oslo Gardermoen

Tue 8/19

1:15 pm-7:11 pm

2 stops38h 56m

$554

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Tue 8/19

1:15 pm-6:05 pm

2 stops19h 50m

Oslo Gardermoen

Tue 8/26

6:35 am-8:33 pm

2 stops22h 58m

$561

Santa AnaOslo

SNA - OSL

SNAOSL

Santa Ana J. Wayne/Orange Cnty

Wed 8/6

11:35 am-6:00 pm

2 stops21h 25m

Oslo Gardermoen

Wed 8/20

6:50 am-9:33 pm

2 stops23h 43m

$561

San DiegoOslo

SAN - OSL

SANOSL

San Diego

Tue 9/16

7:00 am-6:50 am

1 stop14h 50m

Oslo Gardermoen

Thu 9/25

7:10 am-11:41 pm

2 stops25h 31m

$586

Los AngelesOslo

LAX - TRF

LAXTRF

Los Angeles

Wed 8/6

7:30 pm-12:35 pm

1 stop32h 05m

Oslo Sandefjord

Wed 8/20

2:55 pm-4:20 pm

1 stop34h 25m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from California to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from California 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 California to Oslo

What is the cheapest month to book a flight from California to Oslo?

Currently, November is the cheapest month in which you can book a flight from California to Oslo (average of $567). Flying from California to Oslo in June is currently the most expensive (average of $1,009). 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 CA to OSL?

Find hourly flight availability from California to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 17, 2025.

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

Rainfall in Oslo by month

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

In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.

Temperature in Oslo by month

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

If weather is an important factor for your trip to Oslo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. 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 Oslo. Reviews last updated June 17, 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines from California to Oslo have to say. 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
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from California to Oslo. 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 to fly from California to Oslo one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $386. Users have also found prices from $395 and $398 on SWISS and British Airways, respectively.

  • What are the most popular routes from California to Oslo?

    Most travelers choose Los Angeles - Oslo Gardermoen, San Francisco - Oslo Gardermoen or Los Angeles - Oslo Sandefjord when deciding on the best route from California to Oslo.

  • What are the cheapest flights from California to Oslo?

    On average you can expect to pay $1,236 for a flight from California to Oslo. The cheapest flight overall is $336 while the most popular route, (Los Angeles - Oslo Gardermoen) is currently priced at $477.

  • Can I find deals for flights from California to Oslo that include hotel bookings?

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

  • How can I find direct flights from California to Oslo?

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

  • Can I find deals for business class flights from California to Oslo?

    Yes. Cheapflights offers flight deals from California to Oslo 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 California to Oslo?

    Currently, November is the cheapest month in which you can book a flight from California to Oslo (average of $567). Flying from California to Oslo in June is currently the most expensive (average of $1,009). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Oslo Gardermoen flights
Newark to Oslo Gardermoen flights
Seattle to Oslo Gardermoen flights
LaGuardia to Oslo Gardermoen flights
Dulles Intl to Oslo Gardermoen flights
O'Hare Intl to Oslo Gardermoen flights
Minneapolis to Oslo Gardermoen flights
Los Angeles to Oslo Gardermoen flights
Dallas/Fort Worth to Oslo Gardermoen flights
Miami to Oslo Gardermoen flights
Detroit to Oslo Gardermoen flights
Reagan-National to Oslo Gardermoen flights
Baltimore to Oslo Gardermoen flights
John F Kennedy Intl to Sandefjord flights
Boston to Oslo Gardermoen flights
San Francisco to Oslo Gardermoen flights
Atlanta to Oslo Gardermoen flights
Denver to Oslo Gardermoen flights
John F Kennedy Intl to Bergen flights
Newark to Sandefjord flights
Love Field to Oslo Gardermoen flights
Los Angeles to Sandefjord flights
Newark to Bergen flights
Hobby to Oslo Gardermoen flights
O'Hare Intl to Sandefjord flights
Midway to Oslo Gardermoen flights
LaGuardia to Bergen flights
Dulles Intl to Sandefjord flights
Salt Lake City to Oslo Gardermoen flights
Charlotte to Oslo Gardermoen flights
Seattle to Sandefjord flights
San Francisco to Sandefjord flights
George Bush Intcntl to Oslo Gardermoen flights
Boston to Sandefjord flights
Philadelphia to Oslo Gardermoen flights
Austin to Oslo Gardermoen flights
Santa Ana to Oslo Gardermoen flights
Ontario to Oslo Gardermoen flights
Minneapolis to Bergen flights
Tampa to Bergen flights
San Diego to Oslo Gardermoen flights
Cleveland to Oslo Gardermoen flights
Orlando to Oslo Gardermoen flights
Minneapolis to Sandefjord flights
Atlanta to Sandefjord flights
Dallas/Fort Worth to Bergen flights
Tampa to Oslo Gardermoen flights
Burbank to Oslo Gardermoen flights
San Jose to Oslo Gardermoen flights
O'Hare Intl to Bergen flights

Top 10 airlines flying from California to Oslo

Discover the top 10 airlines that operate flights from California to Oslo. 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 June 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$194Average$726FlexibilityNo cancel feeOn-time79%
Norse Atlantic AirwaysCheapest$283Average$549FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$392Average$855FlexibilityNo cancel feeOn-time77%
FinnairCheapest$481Average$677FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$496Average$838FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$510Average$706FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$521Average$779FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$526Average$946FlexibilityNo cancel feeOn-time69%
DeltaCheapest$557Average$920FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$562Average$968FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.