Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Oslo from $416

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 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
4:45 pm - 10:40 pmONT-OSL
20h 55m2 stops
British Airways Logo
8:45 am - 10:48 pmOSL-ONT
23h 03m2 stops
$506British Airways
Find Deal
Sun, Jan 11 - Sun, Jan 25
Delta Logo
12:41 pm - 6:50 pmONT-OSL
21h 09m2 stops
Delta Logo
9:50 am - 11:58 pmOSL-ONT
47h 08m2 stops
$515Delta
Find Deal
Wed, Feb 4 - Sun, Feb 8
Delta Logo
7:30 am - 6:50 pmONT-OSL
26h 20m2 stops
Delta Logo
9:50 am - 4:15 pmOSL-ONT
39h 25m2 stops
$516Delta
Find Deal
Wed, Feb 4 - Sun, Feb 8
British Airways Logo
4:45 pm - 10:40 pmONT-OSL
20h 55m2 stops
British Airways Logo
11:50 am - 10:48 pmOSL-ONT
19h 58m2 stops
$517British Airways
Find Deal
Wed, Jan 14 - Wed, Jan 28
British Airways Logo
4:59 pm - 10:10 pmONT-OSL
20h 11m2 stops
British Airways Logo
11:45 am - 10:31 pmOSL-ONT
19h 46m2 stops
$524British Airways
Find Deal
Fri, Feb 20 - Fri, Mar 6
United Airlines Logo
6:00 am - 3:20 pmONT-OSL
24h 20m2 stops
United Airlines Logo
9:45 am - 10:53 pmOSL-ONT
22h 08m2 stops
$534United Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
6:00 am - 1:00 pmONT-OSL
22h 00m2 stops
United Airlines Logo
11:50 am - 10:53 pmOSL-ONT
20h 03m2 stops
$537United Airlines
Find Deal
Wed, Jan 7 - Tue, Jan 13
United Airlines Logo
11:59 pm - 5:10 pmONT-OSL
33h 11m2 stops
United Airlines Logo
6:35 am - 10:26 pmOSL-ONT
24h 51m2 stops
$539United Airlines
Find Deal
Sun, Mar 22 - Sun, Apr 5
United Airlines Logo
11:59 pm - 5:15 pmONT-OSL
32h 16m2 stops
United Airlines Logo
7:15 am - 10:26 pmOSL-ONT
24h 11m2 stops
$542United Airlines
Find Deal
Sat, Mar 28 - Sun, Apr 12
United Airlines Logo
6:00 am - 3:20 pmONT-OSL
24h 20m2 stops
United Airlines Logo
1:50 pm - 8:50 pmOSL-ONT
40h 00m2 stops
$544United Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14

British Airways flights from Ontario to Oslo Gardermoen Airport

Our best British Airways deals on Ontario to Oslo Gardermoen Airport flight tickets
British Airways
Jan 11
ONT4:45 pmOntario
20h 55m
2 stops
OSL10:40 pmOslo Gardermoen
Jan 25
OSL8:45 amOslo Gardermoen
23h 03m
2 stops
ONT10:48 pmOntario
$506
Find similar
British Airways
Jan 14
ONT4:45 pmOntario
20h 55m
2 stops
OSL10:40 pmOslo Gardermoen
Jan 28
OSL11:50 amOslo Gardermoen
19h 58m
2 stops
ONT10:48 pmOntario
$517
Find similar
British Airways
Feb 20
ONT4:59 pmOntario
20h 11m
2 stops
OSL10:10 pmOslo Gardermoen
Mar 6
OSL11:45 amOslo Gardermoen
19h 46m
2 stops
ONT10:31 pmOntario
$524
Find similar

Delta flights from Ontario to Oslo Gardermoen Airport

Our best Delta deals on Ontario to Oslo Gardermoen Airport flight tickets
Delta
Feb 4
ONT12:41 pmOntario
21h 09m
2 stops
OSL6:50 pmOslo Gardermoen
Feb 8
OSL9:50 amOslo Gardermoen
47h 08m
2 stops
ONT11:58 pmOntario
$515
Find similar
Delta
Feb 4
ONT7:30 amOntario
26h 20m
2 stops
OSL6:50 pmOslo Gardermoen
Feb 8
OSL9:50 amOslo Gardermoen
39h 25m
2 stops
ONT4:15 pmOntario
$516
Find similar
Delta
Dec 24
ONT7:05 amOntario
16h 35m
2 stops
OSL8:40 amOslo Gardermoen
Jan 14
OSL6:30 amOslo Gardermoen
23h 35m
2 stops
ONT9:05 pmOntario
$920
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Oslo Gardermoen Airport 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, momondo users made 832,500 searches. Data last updated November 23, 2025.
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

Price

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Sun 1/11

4:45 pm-10:40 pm

2 stops20h 55m

Oslo Gardermoen

Sun 1/25

8:45 am-10:48 pm

2 stops23h 03m

$506

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Wed 2/4

12:41 pm-6:50 pm

2 stops21h 09m

Oslo Gardermoen

Sun 2/8

9:50 am-11:58 pm

2 stops47h 08m

$515

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Wed 2/4

7:30 am-6:50 pm

2 stops26h 20m

Oslo Gardermoen

Sun 2/8

9:50 am-4:15 pm

2 stops39h 25m

$516

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Wed 1/14

4:45 pm-10:40 pm

2 stops20h 55m

Oslo Gardermoen

Wed 1/28

11:50 am-10:48 pm

2 stops19h 58m

$517

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Fri 2/20

4:59 pm-10:10 pm

2 stops20h 11m

Oslo Gardermoen

Fri 3/6

11:45 am-10:31 pm

2 stops19h 46m

$524

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Wed 1/14

6:00 am-3:20 pm

2 stops24h 20m

Oslo Gardermoen

Wed 1/21

9:45 am-10:53 pm

2 stops22h 08m

$534

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Wed 1/7

6:00 am-1:00 pm

2 stops22h 00m

Oslo Gardermoen

Tue 1/13

11:50 am-10:53 pm

2 stops20h 03m

$537

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Sun 3/22

11:59 pm-5:10 pm

2 stops33h 11m

Oslo Gardermoen

Sun 4/5

6:35 am-10:26 pm

2 stops24h 51m

$539

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Sat 3/28

11:59 pm-5:15 pm

2 stops32h 16m

Oslo Gardermoen

Sun 4/12

7:15 am-10:26 pm

2 stops24h 11m

$542

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Sat 2/7

6:00 am-3:20 pm

2 stops24h 20m

Oslo Gardermoen

Sat 2/14

1:50 pm-8:50 pm

2 stops40h 00m

$544

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 time of day to depart on your flight to Oslo Gardermoen Airport?

Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is in the morning. Flights from Ontario to Oslo Gardermoen Airport during this time can be as low as $686. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is at noon when prices are around $707.

When to book flights from Ontario to Oslo Gardermoen Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Oslo Gardermoen Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Direct flights

None
There are no direct flights from Ontario to Oslo Gardermoen Airport. There are no popular flight routes from Ontario to Oslo Gardermoen Airport.
Search flight deals

  • 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 35m, 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 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.

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Gardermoen
Fredrikstad
Drammen
Lillehammer

Why 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.

An easier way to manage your Oslo Gardermoen Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/23
Tue 12/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Oslo

Popular cities in Norway

Popular flights according to clicks in the last 7 days on momondo
Flights to Oslo Sandefjord Airportfrom $437