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$448+ Cheap flights from Oslo to San Diego (SAN)

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — SAN
Oct 22 — Oct 291
Wed 10/22
Wed 10/29
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo to San Diego are usually found in February or October, booked 29 days in advance, depart on a Sunday or Saturday and return on a Tuesday

Cheap flight deals from Oslo to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to San Diego (SAN). 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 September 22, 2025.

Round-trip from

$448
(Ticket)

Popular in

August

Cheapest in

February

Average price

$704
From Oslo to San Diego
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Oslo to San Diego

Cheapest flights from Oslo to San Diego
Explore the most affordable flight options available from Oslo to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2025.

This Ticket deal was found by Cheapflights users on 9/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:35 amOSL - SAN
2 stops21h 05mBritish Airways
Thu 11/62:39 pmSAN - OSL
2 stops23h 56mBritish Airways
Deal found 9/20$448
This Finnair deal was found by Cheapflights users on 9/22. 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 11/158:45 amOSL - SAN
2 stops20h 35mFinnair
Fri 11/286:00 pmSAN - OSL
2 stops29h 00mFinnair
Deal found 9/22$462
This Finnair deal was found by Cheapflights users on 9/19. 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.
Tue 11/46:25 amOSL - SAN
2 stops20h 40mFinnair
Tue 11/116:00 pmSAN - OSL
2 stops32h 40mFinnair
Deal found 9/19$466
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/157:40 amOSL - SAN
2 stops20h 44mAmerican Airlines
Wed 10/223:06 pmSAN - OSL
2 stops19h 09mAmerican Airlines
Deal found 9/21$479
This Ticket deal was found by Cheapflights users on 9/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:35 amOSL - SAN
2 stops21h 05mBritish Airways
Sat 11/86:00 pmSAN - OSL
1 stop31h 35mBritish Airways
Deal found 9/20$484
This Travelis deal was found by Cheapflights users on 9/21. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:25 amOSL - SAN
2 stops22h 55mMultiple Airlines
Fri 11/286:00 pmSAN - OSL
1 stop19h 10mMultiple Airlines
Deal found 9/21$490
This Ticket deal was found by Cheapflights users on 9/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:20 amOSL - SAN
1 stop35h 40mKLM
Sat 11/87:10 amSAN - OSL
2 stops16h 30mKLM
Deal found 9/21$493
This Finnair deal was found by Cheapflights users on 9/19. 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.
Tue 11/48:50 pmOSL - SAN
2 stops30h 15mMultiple Airlines
Tue 11/116:00 pmSAN - OSL
1 stop19h 40mMultiple Airlines
Deal found 9/19$494
This British Airways deal was found by Cheapflights users on 9/21. 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.
Thu 10/98:05 pmOSL - SAN
2 stops28h 43mBritish Airways
Thu 10/238:32 amSAN - OSL
2 stops17h 18mBritish Airways
Deal found 9/21$505

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo to San Diego 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 September 22, 2025.
Use the filters below to find and compare flights from Oslo to San Diego that are best for you.

Fly from

Oslo

Fly to

San Diego

Route

Depart

Return

Price

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Sat 11/15

7:10 am-10:20 pm

2 stops24h 10m

San Diego

Fri 11/28

2:39 pm-10:10 pm

2 stops22h 31m

$448

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Mon 10/20

11:35 am-11:40 pm

2 stops21h 05m

San Diego

Thu 11/6

2:39 pm-11:35 pm

2 stops23h 56m

$448

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Mon 10/20

11:35 am-11:40 pm

2 stops21h 05m

San Diego

Fri 11/7

2:55 pm-10:10 pm

2 stops22h 15m

$448

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Sat 11/15

8:45 am-8:20 pm

2 stops20h 35m

San Diego

Fri 11/28

6:00 pm-8:00 am

2 stops29h 00m

$462

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Tue 11/4

6:25 am-6:05 pm

2 stops20h 40m

San Diego

Tue 11/11

6:00 pm-11:40 am

2 stops32h 40m

$466

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Thu 2/26

11:45 am-11:43 pm

2 stops20h 58m

San Diego

Mon 3/2

10:00 am-6:40 pm

2 stops23h 40m

$467

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Thu 2/26

11:45 am-11:43 pm

2 stops20h 58m

San Diego

Mon 3/2

6:00 pm-10:40 pm

1 stop19h 40m

$471

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Mon 10/20

9:20 am-12:00 pm

1 stop35h 40m

San Diego

Sat 11/8

7:10 am-8:40 am

2 stops16h 30m

$493

OsloSan Diego

OSL - SAN

OSLSAN

Oslo Gardermoen

Tue 11/4

8:50 pm-6:05 pm

2 stops30h 15m

San Diego

Tue 11/11

6:00 pm-10:40 pm

1 stop19h 40m

$494

OsloSan Diego

TRF - SAN

TRFSAN

Oslo Sandefjord

Thu 2/26

2:35 pm-8:57 pm

2 stops39h 22m

San Diego

Mon 3/2

10:00 am-2:05 pm

2 stops43h 05m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/21

Showing 1-10 of 25 results
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Best time to book a flight from Oslo to San Diego

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

How far ahead should I book a flight from Oslo to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Oslo to San Diego. Price data was last updated on September 19, 2025.

The price you pay for your flight from Oslo to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Oslo to San Diego (average of $286). Flying from Oslo to San Diego in March is currently the most expensive (average of $366). 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 Oslo to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated September 22, 2025.
See what other customers who have flown with United Airlines, American Airlines, and British Airways from Oslo to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,922 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,386 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Oslo to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Oslo?

    For a flight from Oslo to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 0 inbound flights from Oslo per day. 3 airlines have flights to San Diego from Oslo on a regular basis.

  • How long is the flight from Oslo to San Diego?

    There are many flights that can get you from Oslo to San Diego in 20h 35m. Fly via British Airways, Finnair, or Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 5377 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Oslo to San Diego round-trip?

    Flying on American Airlines is currently your cheapest option to San Diego, with prices starting at $456. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at $464 and $544, respectively. These flights start at 29% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Oslo to San Diego?

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

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

    Yes. Cheapflights offers flight deals from Oslo to San Diego 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 Oslo to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Oslo to San Diego (average of $286). Flying from Oslo to San Diego in March is currently the most expensive (average of $366). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City

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Alternative routes for Oslo to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Oslo to San Diego

Discover the top 3 airlines that operate flights from Oslo to San Diego. 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 September 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$456Average$653FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$464Average$585FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$544Average$591FlexibilityNo cancel feeOn-time69%

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