Cheap flights from Ontario, CA to Oslo, Norway
Flights starting at $355. Choose between Norwegian, Frontier Airlines, or Iberia Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Oslo
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at Oslo Airport, Gardermoen, or Sandefjord Airport, Torp. The most popular airlines for this route are Norwegian, Frontier Airlines, Iberia Airlines, Lufthansa, and SAS. Ontario and Oslo have 248 direct flights per week. When you arrive at Oslo, consider visiting Oslo Opera House, and Vigelandspark in Oslo.
Check-in for a flight from Ontario to Oslo
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Norwegian | NAX | DY | No | Opens 24 days before flight Closes 2 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Iberia Airlines | IBE | IB | Yes | Opens 24 days before flight Closes 3 hours before flight |
Lufthansa | DLH | LH | No | 0 0 |
SAS | SAS | SK | No | 0 0 |
Weather in Oslo
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -3°C | -8°C |
February | -2°C | -7°C |
March | 1°C | -4°C |
April | 7°C | 0°C |
May | 13°C | 4°C |
June | 18°C | 9°C |
July | 19°C | 11°C |
August | 18°C | 10°C |
September | 14°C | 7°C |
October | 7°C | 2°C |
November | 2°C | -1°C |
December | -2°C | -6°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Ontario
- Flights from Ontario to Denver
- Flights from Ontario to Orlando
- Flights from Ontario to Austin
- Flights from Ontario to Las Vegas
- Flights from Ontario to Atlanta
- Flights from Ontario to Sacramento
- Flights from Ontario to San Francisco
- Flights from Ontario to Seattle
- Flights from Ontario to San Antonio
- Flights from Ontario to Guadalajara
- Flights from Ontario to Charlotte
- Flights from Ontario to New Orleans
- Flights from Ontario to Fort Lauderdale
- Flights from Ontario to Philadelphia
- Flights from Ontario to Washington, D.C.
- Flights from Ontario to Oakland
- Flights from Ontario to San Jose
- Flights from Ontario to Detroit
- Flights from Ontario to Minneapolis
- Flights from Ontario to Chicago
Flights to Oslo
- Flights from New York to Oslo
- Flights from Los Angeles to Oslo
- Flights from Denver to Oslo
- Flights from London to Oslo
- Flights from San Francisco to Oslo
- Flights from Minneapolis to Oslo
- Flights from Boston to Oslo
- Flights from Fort Lauderdale to Oslo
- Flights from Houston to Oslo
- Flights from Riga to Oslo
- Flights from Washington, D.C. to Oslo
- Flights from Vienna to Oslo
- Flights from Tel Aviv to Oslo
- Flights from Athens to Oslo
- Flights from Oakland to Oslo
- Flights from Dallas to Oslo
- Flights from Chicago to Oslo
- Flights from Brussels to Oslo
- Flights from Seattle to Oslo
- Flights from Copenhagen to Oslo
Popular routes
- Flights from Fort Myers to Luxor
- Flights from Providence to Cusco
- Flights from Columbus to Bishkek
- Flights from Tampa to Khartoum
- Flights from Portland to Mangalore
- Flights from Jacksonville to Amritsar
- Flights from Oakland to Guangzhou
- Flights from Minneapolis to Trujillo
- Flights from Las Vegas to Curitiba
- Flights from Punta Gorda to Abu Dhabi
- Flights from Denver to Las Vegas
- Flights from New York to Orlando
- Flights from Austin to Las Vegas