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Cheap flights from Oslo Gardermoen Airport to Ontario from C$ 439

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — YYZ
5 May — 12 May1
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 30 April 2025.

Round-trip from

C$ 684

One-way from

C$ 439

Popular in

July

Cheapest in

March

Average price

C$ 747
British Airways
  • British Airways
  • 5/6-16/6
  • 3 total stops
  • 36h 40m total
  • Oslo to Ontario
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14/6
  • 14/6
  • 2 total stops
  • 25h 55m total
  • Oslo to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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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 30 April 2025.

Mon 5/57:15 p.m.OSL - YUL
1 stop27h 40mMultiple Airlines
Wed 21/57:00 p.m.YUL - OSL
1 stop10h 50mMultiple Airlines
Deal found 28/4C$ 659
Thu 5/611:40 a.m.OSL - YYZ
1 stop14h 35mMultiple Airlines
Mon 16/67:25 p.m.YYZ - OSL
2 stops22h 05mMultiple Airlines
Deal found 29/4C$ 684
Mon 12/58:00 a.m.OSL - YYZ
2 stops21h 00mBritish Airways
Mon 26/510:00 p.m.YYZ - OSL
1 stop19h 30mBritish Airways
Deal found 28/4C$ 702
Mon 5/511:35 a.m.OSL - YUL
1 stop14h 40mBritish Airways
Tue 20/510:10 p.m.YUL - OSL
1 stop19h 15mBritish Airways
Deal found 28/4C$ 711
Wed 4/64:30 p.m.OSL - YYZ
1 stop11h 25mIcelandair
Wed 24/98:50 p.m.YYZ - OSL
1 stop9h 45mIcelandair
Deal found 29/4C$ 736
Wed 14/57:40 a.m.OSL - YYZ
2 stops16h 55mAmerican Airlines
Sun 18/56:05 p.m.YYZ - OSL
1 stop23h 35mAmerican Airlines
Deal found 28/4C$ 754
Mon 12/56:35 a.m.OSL - YOW
2 stops19h 42mAir Canada
Mon 26/52:35 p.m.YOW - OSL
2 stops15h 40mAir Canada
Deal found 29/4C$ 767
Thu 5/66:35 a.m.OSL - YYZ
1 stop15h 45mLufthansa
Mon 16/65:35 p.m.YYZ - OSL
1 stop18h 30mLufthansa
Deal found 28/4C$ 808
Wed 4/66:50 a.m.OSL - YTZ
2 stops16h 00mAir Canada
Wed 24/93:25 p.m.YTZ - OSL
2 stops18h 15mAir Canada
Deal found 28/4C$ 822
Mon 5/58:00 a.m.OSL - YUL
2 stops20h 44mAmerican Airlines
Tue 20/510:10 p.m.YUL - OSL
1 stop19h 15mAmerican Airlines
Deal found 28/4C$ 851
Wed 4/66:50 a.m.OSL - YYZ
2 stops16h 04mAir Canada
Wed 24/96:20 p.m.YYZ - OSL
1 stop11h 55mAir Canada
Deal found 28/4C$ 858
Fri 25/76:35 a.m.OSL - YUL
1 stop15h 25mLufthansa
Mon 11/88:40 p.m.YUL - OSL
1 stop19h 30mLufthansa
Deal found 29/4C$ 873

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 30 April 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 5/6

11:40 a.m.-8:15 p.m.

1 stop14h 35m

Toronto Pearson Intl

Mon 16/6

7:25 p.m.-11:30 p.m.

2 stops22h 05m

C$ 684

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Mon 12/5

8:00 a.m.-11:00 p.m.

2 stops21h 00m

Toronto Pearson Intl

Mon 26/5

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

1 stop19h 30m

C$ 702

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Fri 16/5

9:55 p.m.-4:00 p.m.

2 stops24h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 29/5

4:40 p.m.-9:20 p.m.

3 stops22h 40m

C$ 729

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Wed 4/6

4:30 p.m.-9:55 p.m.

1 stop11h 25m

Toronto Pearson Intl

Wed 24/9

8:50 p.m.-12:35 p.m.

1 stop9h 45m

C$ 736

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Wed 14/5

7:40 a.m.-6:35 p.m.

2 stops16h 55m

Toronto Pearson Intl

Sun 18/5

6:05 p.m.-11:40 p.m.

1 stop23h 35m

C$ 754

OsloOttawa

OSL - YOW

OSLYOW

Oslo Gardermoen

Mon 12/5

6:35 a.m.-8:17 p.m.

2 stops19h 42m

Ottawa

Mon 26/5

2:35 p.m.-12:15 p.m.

2 stops15h 40m

C$ 767

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Fri 16/5

7:50 a.m.-10:45 p.m.

2 stops20h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 29/5

12:30 p.m.-11:55 p.m.

2 stops29h 25m

C$ 785

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Thu 5/6

6:35 a.m.-4:20 p.m.

1 stop15h 45m

Toronto Pearson Intl

Mon 16/6

5:35 p.m.-6:05 p.m.

1 stop18h 30m

C$ 808

OsloToronto

OSL - YTZ

OSLYTZ

Oslo Gardermoen

Wed 4/6

6:50 a.m.-4:50 p.m.

2 stops16h 00m

Toronto Island

Wed 24/9

3:25 p.m.-3:40 p.m.

2 stops18h 15m

C$ 822

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Wed 4/6

6:50 a.m.-4:54 p.m.

2 stops16h 04m

Toronto Pearson Intl

Wed 24/9

6:20 p.m.-12:15 p.m.

1 stop11h 55m

C$ 858

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 46 results
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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$ 258). 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 30 April 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 30 April 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
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
1,333 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
1,069 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

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$ 616 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$ 799 and C$ 909, 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 - Hamilton.

  • 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$ 258). 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

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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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 591AverageC$ 793FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapestC$ 618AverageC$ 801FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapestC$ 683AverageC$ 1,026FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapestC$ 735AverageC$ 1,032FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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?

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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.

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