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Cheap flights from Oslo to Ontario from C$ 451

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — YYZ
24 May — 31 May1
1 adult

Cheap flight deals from Oslo to Ontario

Keep the following information in mind while searching for Oslo to Ontario flight deals. Data was last updated 19 May 2025.

Round-trip from

C$ 712

One-way from

C$ 451

Popular in

July

Cheapest in

March

Average price

C$ 727
Air France
  • Air France
  • 6/9-10/9
  • 2 total stops
  • 23h 15m total
  • Oslo to Ontario
Search Deals
29/6
  • 29/6
  • 2 total stops
  • 36h 35m total
  • Oslo to Ontario
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
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Find flight deals from Oslo to Ontario

Cheapest flights from Oslo to Ontario
Explore the most affordable flight options available from Oslo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 May 2025.

Mon 26/52:15 p.m.OSL - YUL
1 stop32h 40mKLM
Mon 9/66:50 p.m.YUL - OSL
1 stop10h 15mKLM
Deal found 18/5C$ 638
Sat 6/911:50 a.m.OSL - YUL
1 stop11h 05mMultiple Airlines
Wed 10/910:30 p.m.YUL - OSL
1 stop12h 10mMultiple Airlines
Deal found 18/5C$ 712
Wed 4/61:50 p.m.OSL - YYZ
1 stop11h 20mIcelandair
Wed 24/911:00 p.m.YYZ - OSL
1 stop31h 35mIcelandair
Deal found 19/5C$ 745
Thu 5/68:00 a.m.OSL - YYZ
1 stop17h 55mKLM
Mon 16/64:45 p.m.YYZ - OSL
1 stop10h 00mKLM
Deal found 19/5C$ 753
Wed 4/67:40 a.m.OSL - YYZ
2 stops16h 55mBritish Airways
Sun 8/610:00 p.m.YYZ - OSL
1 stop19h 40mBritish Airways
Deal found 19/5C$ 759
Thu 5/68:00 a.m.OSL - YYZ
1 stop17h 55mMultiple Airlines
Tue 17/611:30 p.m.YYZ - OSL
1 stop17h 50mMultiple Airlines
Deal found 19/5C$ 760
Thu 12/66:35 a.m.OSL - YTZ
2 stops16h 15mMultiple Airlines
Thu 26/610:25 a.m.YTZ - OSL
2 stops20h 40mMultiple Airlines
Deal found 19/5C$ 813
Sat 6/98:35 a.m.OSL - YUL
2 stops17h 40mBritish Airways
Wed 10/910:10 p.m.YUL - OSL
1 stop19h 20mBritish Airways
Deal found 18/5C$ 816
Wed 4/66:50 a.m.OSL - YTZ
2 stops17h 00mAir Canada
Wed 24/93:25 p.m.YTZ - OSL
2 stops18h 15mAir Canada
Deal found 19/5C$ 820
Wed 18/67:15 a.m.OSL - YYZ
1 stop17h 15mLufthansa
Sun 22/68:20 p.m.YYZ - OSL
1 stop19h 50mLufthansa
Deal found 19/5C$ 823
Mon 9/68:00 a.m.OSL - YYZ
2 stops19h 30mAmerican Airlines
Mon 23/610:00 p.m.YYZ - OSL
1 stop19h 30mAmerican Airlines
Deal found 19/5C$ 847
Fri 13/65:40 a.m.OSL - YOW
2 stops17h 03mMultiple Airlines
Sun 29/68:55 p.m.YOW - OSL
2 stops43h 15mMultiple Airlines
Deal found 18/5C$ 851

Cheapflights Fare Finder

Customize your flight search to find flights from Oslo 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 19 May 2025.
Use the filters below to find and compare flights from Oslo to Ontario that are best for you.

Fly from

Oslo

Fly to

Ontario

Route

Depart

Return

Price

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Sat 6/9

11:50 a.m.-4:55 p.m.

1 stop11h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

10:30 p.m.-4:40 p.m.

1 stop12h 10m

C$ 712

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Tue 3/6

4:30 p.m.-7:10 p.m.

1 stop32h 40m

Toronto Pearson Intl

Sat 7/6

11:00 p.m.-3:25 p.m.

1 stop10h 25m

C$ 721

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Wed 4/6

6:05 a.m.-8:55 p.m.

1 stop20h 50m

Toronto Pearson Intl

Sun 8/6

4:35 p.m.-8:45 a.m.

1 stop10h 10m

C$ 738

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Thu 5/6

8:00 a.m.-7:55 p.m.

1 stop17h 55m

Toronto Pearson Intl

Mon 16/6

4:45 p.m.-8:45 a.m.

1 stop10h 00m

C$ 753

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Wed 4/6

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

2 stops16h 55m

Toronto Pearson Intl

Sun 8/6

10:00 p.m.-11:40 p.m.

1 stop19h 40m

C$ 759

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Sat 16/8

9:50 a.m.-7:45 p.m.

1 stop15h 55m

Toronto Pearson Intl

Thu 4/9

4:30 p.m.-12:15 p.m.

1 stop13h 45m

C$ 790

OsloToronto

OSL - YTZ

OSLYTZ

Oslo Gardermoen

Thu 12/6

6:35 a.m.-4:50 p.m.

2 stops16h 15m

Toronto Island

Thu 26/6

10:25 a.m.-1:05 p.m.

2 stops20h 40m

C$ 813

OsloMontreal

OSL - YUL

OSLYUL

Oslo Gardermoen

Sat 6/9

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

2 stops17h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

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

1 stop19h 20m

C$ 816

OsloToronto

OSL - YTZ

OSLYTZ

Oslo Gardermoen

Wed 4/6

6:50 a.m.-5:50 p.m.

2 stops17h 00m

Toronto Island

Wed 24/9

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

2 stops18h 15m

C$ 820

OsloToronto

OSL - YYZ

OSLYYZ

Oslo Gardermoen

Wed 18/6

7:15 a.m.-6:30 p.m.

1 stop17h 15m

Toronto Pearson Intl

Sun 22/6

8:20 p.m.-10:10 p.m.

1 stop19h 50m

C$ 823

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/5

Showing 1-10 of 49 results
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Best time to book a flight from Oslo to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Oslo to Region of Ontario (average of C$ 168). Flying from Oslo to Region of Ontario in July is currently the most expensive (average of C$ 257). 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 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 19 May 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oslo 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 19 May 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Oslo to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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
7,951 reviews
Delta
8.0
Very good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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
1,344 reviews
Delta
8.0
Very good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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
1,071 reviews
Delta
8.0
Very good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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
792 reviews
Delta
8.0
Very good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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
1,598 reviews
Delta
8.0
Very good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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 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 to Region of Ontario one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as C$ 500. Users have also found prices from C$ 515 and C$ 625 on British Airways and LOT, respectively.

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oslo to Region of Ontario (average of C$ 168). Flying from Oslo to Region of Ontario in July is currently the most expensive (average of C$ 257). 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 to Ontario

Discover the top 4 airlines that operate flights from Oslo 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 19 May 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 596AverageC$ 830FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapestC$ 623AverageC$ 802FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapestC$ 741AverageC$ 1,041FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Scandinavian AirlinesCheapestC$ 825AverageC$ 1,035FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Oslo 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 to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Oslo 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 to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Oslo to Ontario, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Oslo today and book when prices fit your budget.

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