Find flights
When to book
Airlines
FAQs

Cheap flights from Oslo Gardermoen Airport to Ontario from C$ 458

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — YYZ
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Oslo Gardermoen to Ontario

Keep the following information in mind while searching for Oslo Gardermoen to Ontario flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 812

One-way from

C$ 458

Popular in

July

Cheapest in

March

Average price

C$ 1,038
Scandinavian Airlines
  • Scandinavian Airlines
  • 14/8-21/8
  • 2 total stops
  • 39h 45m total
  • Oslo to Ontario
Search Deals
24/8
  • 24/8
  • 2 total stops
  • 29h 01m total
  • Oslo to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 250 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Oslo Gardermoen to Ontario

Cheapest flights from Oslo Gardermoen to Ontario
Explore the most affordable flight options available from Oslo Gardermoen to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Thu 14/88:55 p.m.OSL - YYZ
1 stop24h 45mScandinavian Airlines
Thu 21/85:10 p.m.YYZ - OSL
1 stop15h 00mScandinavian Airlines
Deal found 10/6C$ 812
Wed 27/86:45 a.m.OSL - YOW
2 stops33h 39mAir Canada
Sat 6/92:40 p.m.YOW - OSL
2 stops15h 35mAir Canada
Deal found 11/6C$ 816
Mon 8/96:35 a.m.OSL - YUL
2 stops20h 18mAir Canada
Tue 23/94:40 p.m.YUL - OSL
1 stop14h 25mAir Canada
Deal found 10/6C$ 826
Wed 16/77:40 a.m.OSL - YYZ
2 stops21h 14mBritish Airways
Wed 23/710:00 p.m.YYZ - OSL
1 stop19h 30mBritish Airways
Deal found 11/6C$ 834
Sun 7/95:40 a.m.OSL - YUL
1 stop15h 20mSWISS
Tue 23/94:40 p.m.YUL - OSL
1 stop14h 25mSWISS
Deal found 10/6C$ 839
Tue 9/98:35 p.m.OSL - YUL
2 stops53h 40mFinnair
Mon 22/910:10 p.m.YUL - OSL
2 stops32h 25mFinnair
Deal found 10/6C$ 860
Tue 26/86:35 a.m.OSL - YUL
1 stop11h 35mMultiple Airlines
Sun 31/87:05 p.m.YUL - OSL
1 stop21h 45mMultiple Airlines
Deal found 11/6C$ 863
Thu 7/811:35 a.m.OSL - YYZ
2 stops26h 20mAir Canada
Thu 21/86:20 p.m.YYZ - OSL
1 stop15h 20mAir Canada
Deal found 12/6C$ 868
Tue 26/86:35 a.m.OSL - YUL
1 stop11h 35mLufthansa
Sun 31/810:50 p.m.YUL - OSL
2 stops13h 10mLufthansa
Deal found 11/6C$ 871
Wed 27/812:45 p.m.OSL - YOW
2 stops17h 37mAir France
Sun 7/95:20 p.m.YOW - OSL
1 stop12h 30mAir France
Deal found 11/6C$ 879
Thu 14/88:05 p.m.OSL - YYZ
2 stops28h 09mMultiple Airlines
Thu 21/810:40 p.m.YYZ - OSL
1 stop17h 05mMultiple Airlines
Deal found 10/6C$ 880
Mon 8/98:00 a.m.OSL - YUL
2 stops20h 57mAmerican Airlines
Mon 22/95:15 p.m.YUL - OSL
2 stops19h 25mAmerican Airlines
Deal found 10/6C$ 894

Cheapflights Fare Finder

Customize your flight search to find flights from Oslo Gardermoen to Ontario 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Ontario that are best for you.

Fly from

Oslo Gardermoen

Fly to

Ontario

Route

Depart

Return

Price

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Thu 14/8

8:55 p.m.-3:40 p.m.

1 stop24h 45m

Toronto Pearson Intl

Thu 21/8

5:10 p.m.-2:10 p.m.

1 stop15h 00m

C$ 812

OsloOttawa

OSL - YOW

OSLYOW

Oslo Gardermoen

Wed 27/8

6:45 a.m.-10:24 a.m.

2 stops33h 39m

Ottawa

Sat 6/9

2:40 p.m.-12:15 p.m.

2 stops15h 35m

C$ 816

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Mon 8/9

6:35 a.m.-8:53 p.m.

2 stops20h 18m

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

4:40 p.m.-1:05 p.m.

1 stop14h 25m

C$ 826

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Wed 16/7

7:40 a.m.-10:54 p.m.

2 stops21h 14m

Toronto Pearson Intl

Wed 23/7

10:00 p.m.-11:30 p.m.

1 stop19h 30m

C$ 834

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Sun 7/9

5:40 a.m.-3:00 p.m.

1 stop15h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

4:40 p.m.-1:05 p.m.

1 stop14h 25m

C$ 839

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Tue 9/9

8:35 p.m.-8:15 p.m.

2 stops53h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

10:10 p.m.-12:35 p.m.

2 stops32h 25m

C$ 860

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Tue 26/8

6:35 a.m.-12:10 p.m.

1 stop11h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

7:05 p.m.-10:50 p.m.

1 stop21h 45m

C$ 863

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Thu 7/8

11:35 a.m.-7:55 a.m.

2 stops26h 20m

Toronto Pearson Intl

Thu 21/8

6:20 p.m.-3:40 p.m.

1 stop15h 20m

C$ 868

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Tue 26/8

6:35 a.m.-12:10 p.m.

1 stop11h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

10:50 p.m.-6:00 p.m.

2 stops13h 10m

C$ 871

OsloOttawa

OSL - YOW

OSLYOW

Oslo Gardermoen

Wed 27/8

12:45 p.m.-12:22 a.m.

2 stops17h 37m

Ottawa

Sun 7/9

5:20 p.m.-11:50 a.m.

1 stop12h 30m

C$ 879

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 49 results
1
2
3
...
5

Best time to book a flight from Oslo Gardermoen to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Oslo Gardermoen 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 Gardermoen Airport to Ontario

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Region of Ontario (average of C$ 167). Flying from Oslo Gardermoen Airport to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 OSL to ON?

Find hourly flight availability from Oslo Gardermoen to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 12 June 2025.
See what other customers who have flown with Delta, KLM and LOT from Oslo to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Ontario. 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 Oslo Gardermoen Airport to Region of Ontario one-way?

    C$ 618 is the cheapest one-way deal found within the past few days, from LOT. You may also be able to find cheap deals on SWISS and WestJet, with prices starting from C$ 908 and C$ 919, respectively.

  • What are the most popular routes from Oslo Gardermoen Airport to Region of Ontario?

    The most popular route from Oslo Gardermoen Airport to Region of Ontario is Oslo Gardermoen - Toronto Pearson Intl. You may also consider Oslo Gardermoen - Toronto Island or Oslo Gardermoen - Montreal Pierre Elliott Trudeau Intl.

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

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

  • How can I find direct flights from Oslo Gardermoen to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Ontario 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 Gardermoen Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Region of Ontario (average of C$ 167). Flying from Oslo Gardermoen Airport to Region of Ontario in July is currently the most expensive (average of C$ 255). 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.

Top 4 airlines flying from Oslo Gardermoen to Ontario

Discover the top 4 airlines that operate flights from Oslo Gardermoen to Ontario. 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 584AverageC$ 783FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapestC$ 610AverageC$ 780FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapestC$ 726AverageC$ 1,065FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Scandinavian AirlinesCheapestC$ 809AverageC$ 1,014FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Oslo Gardermoen to Ontario?

Cheapflights makes it easy to find Oslo Gardermoen to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Oslo Gardermoen to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Oslo Gardermoen to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Oslo Gardermoen to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Oslo Gardermoen shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Oslo Gardermoen to Ontario become cheaper?

Of course! You can now track prices for flights from Oslo Gardermoen to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.