How long is the flight from Ontario to Oslo Gardermoen Airport?

Departing from Ontario to Oslo Gardermoen Airport will take you 17h 05m. The distance from Ontario to Oslo Gardermoen Airport is about 5302 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What is the cheapest day to fly from Ontario to Oslo Gardermoen Airport?

Travelers seeking maximum savings on their Ontario to Oslo Gardermoen Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Oslo Gardermoen Airport ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo Gardermoen Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Oslo Gardermoen Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest day to fly round-trip from Ontario to Oslo Gardermoen Airport?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 45% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Ontario to Oslo Gardermoen Airport?

To save up to 27% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Oslo Gardermoen Airport from $568 1-2 weeks out and tickets from $687 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to Oslo Gardermoen Airport?

March can be a great time to fly to Oslo Gardermoen Airport from Ontario with a flight ticket averaging about $688. Cheapflights users have found deals in the month of March for as cheap as $481. The most expensive prices can be found in the month of June.

What airport do you fly from for flights from Ontario to Oslo Gardermoen?

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Oslo Gardermoen. 0 airlines have flights from Ontario to Oslo Gardermoen on a regular basis. Booking flights from Ontario to Oslo Gardermoen should not be difficult; the airport handles an average of 0 outbound flights to Oslo Gardermoen per day.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Ontario to Oslo Gardermoen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$416+ Flights from Ontario to Oslo Gardermoen Airport

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Cheap flight deals from Ontario to Oslo Gardermoen

Round-trip from	$478 (Ticket)
One-way from	$416 (United Airlines)
Popular in	June
Cheapest in	March
Average price	$630

From Ontario to Oslo Gardermoen

Search Deals

One-way flight from Ontario to Oslo Gardermoen

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($153 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Ontario to Oslo Gardermoen

Cheapest flights from Ontario to Oslo Gardermoen
Explore the most affordable flight options available from Ontario to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Mon 10/279:50 amONT - OSL

2 stops20h 55mAir France

Tue 11/46:25 amOSL - ONT

2 stops21h 54mAir France

Deal found 9/9

$478

Wed 11/1211:45 amONT - OSL

2 stops17h 05mDelta

Tue 11/186:30 amOSL - ONT

2 stops19h 39mDelta

Deal found 9/10

$511

Tue 12/91:34 pmONT - OSL

2 stops42h 56mUnited Airlines

Fri 12/121:45 pmOSL - ONT

2 stops36h 52mUnited Airlines

Deal found 9/10

$540

Wed 11/1211:45 amONT - OSL

2 stops17h 05mDelta

Mon 11/176:30 amOSL - ONT

2 stops19h 39mDelta

Deal found 9/10

$543

Mon 10/276:00 amONT - OSL

2 stops27h 40mUnited Airlines

Tue 11/46:15 amOSL - ONT

3 stops25h 36mUnited Airlines

Deal found 9/9

$549

Thu 10/307:00 amONT - OSL

2 stops22h 00mUnited Airlines

Thu 11/131:45 pmOSL - ONT

2 stops18h 06mUnited Airlines

Deal found 9/10

$581

Thu 11/61:29 pmONT - OSL

2 stops19h 21mUnited Airlines

Mon 11/102:05 pmOSL - ONT

2 stops17h 46mUnited Airlines

Deal found 9/11

$600

Sat 10/256:36 pmONT - OSL

2 stops44h 54mUnited Airlines

Sat 11/11:50 pmOSL - ONT

2 stops41h 41mUnited Airlines

Deal found 9/10

$606

Tue 10/76:00 amONT - OSL

2 stops27h 05mUnited Airlines

Sun 10/269:35 amOSL - ONT

2 stops20h 56mUnited Airlines

Deal found 9/11

$623

Best flights from Ontario to Oslo Gardermoen
Discover carefully curated flight deals from Ontario to Oslo Gardermoen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Mon 10/279:50 amONT - OSL

2 stops20h 55mAir France

Tue 11/46:25 amOSL - ONT

2 stops21h 54mAir France

Deal found 9/9

$478

Wed 11/1211:45 amONT - OSL

2 stops17h 05mDelta

Tue 11/186:30 amOSL - ONT

2 stops19h 39mDelta

Deal found 9/10

$511

Tue 12/91:34 pmONT - OSL

2 stops42h 56mUnited Airlines

Fri 12/121:45 pmOSL - ONT

2 stops36h 52mUnited Airlines

Deal found 9/10

$540

Sun 2/85:03 pmONT - OSL

2 stops20h 37mBritish Airways

Sun 2/228:45 amOSL - ONT

2 stops18h 06mBritish Airways

Deal found 9/11

$588

Mon 10/276:00 amONT - OSL

2 stops27h 40mUnited Airlines

Tue 11/46:15 amOSL - ONT

3 stops25h 36mUnited Airlines

Deal found 9/9

$549

Mon 3/91:00 pmONT - OSL

2 stops15h 55mUnited Airlines

Mon 3/239:35 amOSL - ONT

2 stops20h 51mUnited Airlines

Deal found 9/10

$583

Sun 1/111:20 pmONT - OSL

2 stops17h 00mUnited Airlines

Sun 1/251:50 pmOSL - ONT

2 stops18h 03mUnited Airlines

Deal found 9/10

$583

Thu 11/61:29 pmONT - OSL

2 stops19h 21mUnited Airlines

Mon 11/102:05 pmOSL - ONT

2 stops17h 46mUnited Airlines

Deal found 9/11

$600

Sat 10/256:36 pmONT - OSL

2 stops44h 54mUnited Airlines

Sat 11/11:50 pmOSL - ONT

2 stops41h 41mUnited Airlines

Deal found 9/10

$606

Tue 10/76:00 amONT - OSL

2 stops27h 05mUnited Airlines

Sun 10/269:35 amOSL - ONT

2 stops20h 56mUnited Airlines

Deal found 9/11

$623

Last-minute flights from Ontario to Oslo Gardermoen
Discover last-minute flight deals from Ontario to Oslo Gardermoen. Data last updated September 11, 2025 and is based on user searches.

Thu 9/116:50 pmONT - OSL

2 stops44h 00mUnited Airlines

Wed 9/176:50 amOSL - ONT

2 stops19h 47mUnited Airlines

Deal found 9/11

$735

Tue 10/76:00 amONT - OSL

2 stops27h 05mUnited Airlines

Sun 10/269:35 amOSL - ONT

2 stops20h 56mUnited Airlines

Deal found 9/11

$623

Tue 10/77:35 amONT - OSL

2 stops24h 05mDelta

Sun 10/266:25 amOSL - ONT

2 stops23h 57mDelta

Deal found 9/11

$742

Sat 10/256:36 pmONT - OSL

2 stops44h 54mUnited Airlines

Sat 11/11:50 pmOSL - ONT

2 stops41h 41mUnited Airlines

Deal found 9/10

$606

Mon 10/279:50 amONT - OSL

2 stops20h 55mAir France

Tue 11/46:25 amOSL - ONT

2 stops21h 54mAir France

Deal found 9/9

$478

Mon 10/276:00 amONT - OSL

2 stops27h 40mUnited Airlines

Tue 11/46:15 amOSL - ONT

3 stops25h 36mUnited Airlines

Deal found 9/9

$549

Thu 10/307:00 amONT - OSL

2 stops22h 00mUnited Airlines

Thu 11/131:45 pmOSL - ONT

2 stops18h 06mUnited Airlines

Deal found 9/10

$581

Fri 10/317:00 amONT - OSL

2 stops22h 05mUnited Airlines

Fri 11/149:35 amOSL - ONT

2 stops21h 56mUnited Airlines

Deal found 9/11

$643

One-way flights from Ontario to Oslo Gardermoen
Search for one-way flight options from Ontario to Oslo Gardermoen. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Wed 12/245:05 amONT - OSL

2 stops25h 15mUnited Airlines

Deal found 9/10

$416

Tue 12/2311:59 pmONT - OSL

2 stops28h 01mUnited Airlines

Deal found 9/10

$430

Sat 12/2711:59 pmONT - OSL

2 stops28h 06mUnited Airlines

Deal found 9/10

$444

Thu 12/254:45 pmONT - OSL

2 stops21h 50mBritish Airways

Deal found 9/10

$450

Sun 10/54:45 pmONT - OSL

2 stops21h 55mBritish Airways

Deal found 9/9

$463

Sun 10/55:05 amONT - OSL

2 stops25h 35mUnited Airlines

Deal found 9/9

$471

Fri 12/2611:59 pmONT - OSL

2 stops38h 41mUnited Airlines

Deal found 9/10

$484

Fri 12/264:45 pmONT - OSL

2 stops20h 25mBritish Airways

Deal found 9/10

$520

Thu 12/255:05 amONT - OSL

3 stops27h 05mUnited Airlines

Deal found 9/10

$523

Thu 9/181:15 pmONT - OSL

2 stops17h 25mUnited Airlines

Deal found 9/11

$531

Cheapflights Fare Finder

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

Mon 10/27

9:50 am-2:45 pm

2 stops20h 55m

Oslo Gardermoen

Tue 11/4

6:25 am-7:19 pm

2 stops21h 54m

$478

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Wed 11/12

11:45 am-1:50 pm

2 stops17h 05m

Oslo Gardermoen

Tue 11/18

6:30 am-5:09 pm

2 stops19h 39m

$511

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Tue 12/9

1:34 pm-5:30 pm

2 stops42h 56m

Oslo Gardermoen

Fri 12/12

1:45 pm-5:37 pm

2 stops36h 52m

$540

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Mon 10/27

6:00 am-5:40 pm

2 stops27h 40m

Oslo Gardermoen

Tue 11/4

6:15 am-10:51 pm

3 stops25h 36m

$549

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Mon 3/9

1:00 pm-12:55 pm

2 stops15h 55m

Oslo Gardermoen

Mon 3/23

9:35 am-10:26 pm

2 stops20h 51m

$583

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Sun 1/11

1:20 pm-3:20 pm

2 stops17h 00m

Oslo Gardermoen

Sun 1/25

1:50 pm-10:53 pm

2 stops18h 03m

$583

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Sun 2/8

5:03 pm-10:40 pm

2 stops20h 37m

Oslo Gardermoen

Sun 2/22

8:45 am-5:51 pm

2 stops18h 06m

$588

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Thu 11/6

1:29 pm-5:50 pm

2 stops19h 21m

Oslo Gardermoen

Mon 11/10

2:05 pm-10:51 pm

2 stops17h 46m

$600

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Sat 10/25

6:36 pm-11:30 pm

2 stops44h 54m

Oslo Gardermoen

Sat 11/1

1:50 pm-11:31 pm

2 stops41h 41m

$606

OntarioOslo

ONT - OSL

ONTOSL

Ontario

Tue 10/7

6:00 am-6:05 pm

2 stops27h 05m

Oslo Gardermoen

Sun 10/26

9:35 am-10:31 pm

2 stops20h 56m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results

Best time to book a flight from Ontario to Oslo Gardermoen

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Oslo Gardermoen Airport (average of $567). Flying from Ontario to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,005). 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 ONT to OSL?

It’s typically best to fly out from Ontario to Oslo Gardermoen Airport in the morning. Doing so could potentially save you 41% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

What airport do you fly from for flights from Ontario to Oslo Gardermoen?
Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Oslo Gardermoen. 0 airlines have flights from Ontario to Oslo Gardermoen on a regular basis. Booking flights from Ontario to Oslo Gardermoen should not be difficult; the airport handles an average of 0 outbound flights to Oslo Gardermoen per day.
How long is the flight from Ontario to Oslo Gardermoen Airport?
Departing from Ontario to Oslo Gardermoen Airport will take you 17h 05m. The distance from Ontario to Oslo Gardermoen Airport is about 5302 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Ontario to Oslo Gardermoen that include hotel bookings?
Yes. In addition to deals on Ontario to Oslo Gardermoen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Oslo Gardermoen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Oslo Gardermoen.
Can I find deals for business class flights from Ontario to Oslo Gardermoen?
Yes. Cheapflights offers flight deals from Ontario to Oslo Gardermoen 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 Ontario to Oslo Gardermoen Airport?
Currently, November is the cheapest month in which you can book a flight from Ontario to Oslo Gardermoen Airport (average of $567). Flying from Ontario to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,005). 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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$416+ Cheap flights from Ontario (ONT) to Oslo Gardermoen (OSL)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Oslo Gardermoen with Cheapflights

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3. Compare prices and book

Cheap flight deals from Ontario to Oslo Gardermoen

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Find flight deals from Ontario to Oslo Gardermoen

Cheapest flights from Ontario to Oslo GardermoenExplore the most affordable flight options available from Ontario to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Ontario to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Oslo Gardermoen Airport that are best for you.

Best time to book a flight from Ontario to Oslo Gardermoen

Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Oslo Gardermoen Airport

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

What is the cheapest time of day to fly from ONT to OSL?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Oslo Gardermoen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ontario to Oslo Gardermoen?

How long is the flight from Ontario to Oslo Gardermoen Airport?

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

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

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

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

Traveling to a place near Oslo Gardermoen Airport?

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Cheapest flights from Ontario to Oslo Gardermoen
Explore the most affordable flight options available from Ontario to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.