Cheap flights from Ontario to Oslo from $336
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Oslo departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.United Airlines flights from Ontario to Oslo Gardermoen Airport
Our best United Airlines deals on Ontario to Oslo Gardermoen Airport flight tickets
British Airways flights from Ontario to Oslo Gardermoen Airport
Our best British Airways deals on Ontario to Oslo Gardermoen Airport flight tickets
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Use the filters below to find and compare flights from Ontario to Oslo Gardermoen Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Wed 12/30
7:06 am-1:50 pm
2 stops21h 44m
Oslo Gardermoen
Tue 1/12
6:05 am-4:12 pm
2 stops19h 07m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Wed 12/30
1:01 pm-6:50 pm
2 stops20h 49m
Oslo Gardermoen
Wed 1/13
6:05 am-4:12 pm
2 stops19h 07m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Wed 12/30
1:01 pm-6:50 pm
2 stops20h 49m
Oslo Gardermoen
Mon 1/11
9:30 am-10:14 pm
2 stops21h 44m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Tue 12/29
5:05 pm-6:50 pm
2 stops40h 45m
Oslo Gardermoen
Wed 1/13
6:05 am-4:12 pm
2 stops19h 07m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Tue 12/29
5:05 pm-6:50 pm
2 stops40h 45m
Oslo Gardermoen
Tue 1/12
6:05 am-4:12 pm
2 stops19h 07m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Tue 12/29
5:05 pm-6:50 pm
2 stops40h 45m
Oslo Gardermoen
Mon 1/11
9:30 am-10:14 pm
2 stops21h 44m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Sat 11/7
12:16 pm-4:10 pm
2 stops18h 54m
Oslo Gardermoen
Sat 11/14
6:15 am-4:24 pm
2 stops19h 09m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Wed 12/30
7:06 am-1:50 pm
2 stops21h 44m
Oslo Gardermoen
Sun 1/10
1:05 pm-10:43 pm
2 stops42h 38m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Wed 4/7
7:00 am-10:55 am
2 stops18h 55m
Oslo Gardermoen
Wed 4/21
1:05 pm-11:06 pm
2 stops19h 01m
OntarioOslo
ONT Ontario - OSL Oslo Gardermoen
ONTOSL
Ontario
Wed 4/7
7:00 am-10:55 am
2 stops18h 55m
Oslo Gardermoen
Wed 4/21
1:05 pm-11:06 pm
2 stops19h 01m
See travel insights to Oslo from
How to get the cheapest flight ticket from Ontario to Oslo Gardermoen Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest airline that flies from Ontario to Oslo Gardermoen?
United Airlines and Icelandair are the most popular carriers operating from Ontario to Oslo Gardermoen
What airlines fly to Oslo Gardermoen Airport?
Scandinavian Airlines, KLM and Delta are the top three most popular airlines that fly to Oslo Gardermoen Airport from Ontario according to our data. Scandinavian Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 10 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Oslo Gardermoen Airport
Cheap Ontario to Oslo Gardermoen Airport (ONT to OSL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Oslo Gardermoen Airport
Frequently asked questions about flying from Ontario to Oslo Gardermoen Airport
How far is Ontario to Oslo Gardermoen by plane?
The straight-line distance from Ontario to Oslo Gardermoen is 5303.0 mi. Flights usually cover this in 16h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Oslo Gardermoen Airport?
Prices for flights from Ontario Airport to Oslo Gardermoen Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Oslo Gardermoen Airport?
As of October 2026, there is 1 operator available to choose from for flights from Ontario Airport to Oslo Gardermoen Airport.
How old do you have to be to fly from Ontario Airport to Oslo Gardermoen Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Oslo Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The necessary travel and health documents for your Oslo Gardermoen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Oslo Gardermoen Airport?
Based on momondo bookings for flights between Ontario and Oslo Gardermoen Airport, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Ontario to Oslo Gardermoen Airport
Compare and see reviews for airlines that fly from Ontario to Oslo Gardermoen Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $843 | Free Cancellation | Rating 7.4 10,324 reviews |
Traveling to a place near Oslo?
Book flights to Oslo if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Oslo?
Finding the right flight to Oslo from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Oslo quick and easy, saving you time and money.
Can I find flights from Ontario to Oslo with flexible booking policies on momondo?
momondo does allow users to show only those flights to Oslo from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to Oslo?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oslo from Ontario.
I’m not ready to book a flight from Ontario to Oslo right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Oslo from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.