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

In the last 3 days, the lowest price for a flight from Ontario to Oslo Gardermoen Airport was $405 for a one-way ticket and $524 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Ontario and Oslo?

A passport is required to fly from Ontario to Oslo. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Ontario to Oslo?

When flying out of Ontario you will be using Ontario. You will be landing at Oslo, also known as Oslo Gardermoen. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Ontario to Oslo?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Ontario to Oslo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Oslo. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Oslo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to Oslo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Ontario with another airline. Booking your flights between Ontario and OSL can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Oslo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

What are the most popular airlines flying to Oslo Gardermoen?

The most popular airline among KAYAK users flying to Oslo Gardermoen is Scandinavian Airlines, followed by Lufthansa and British Airways.

$405 CHEAP FLIGHTS from Ontario to Oslo (ONT - OSL)

ONT - OSL

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Cheapest round-trip

$524

British Airways

Tue 3/24Tue 4/7

ONT - OSL • 2 stops

Cheapest one-way

$405

British Airways

Sun 5/24

ONT - OSL • 2 stops

Start a new search

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We hope you love your trip to Oslo Gardermoen!

Flight Deals

Cheap Flights from Ontario to Oslo Gardermoen (ONT-OSL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Oslo Gardermoen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Oslo Gardermoen

Tue, Mar 24 - Tue, Apr 7

5:02 pm - 10:40 pm

ONT

OSL

21h 38m2 stops

7:45 am - 9:56 pm

OSL

ONT

23h 11m2 stops

$524British Airways

Tue, Mar 31 - Wed, Apr 8

1:34 pm - 3:45 pm

ONT

OSL

17h 11m2 stops

9:55 am - 8:36 pm

OSL

ONT

19h 41m2 stops

$537United Airlines

Sat, Jan 17 - Sat, Jan 24

6:00 am - 1:05 pm

ONT

OSL

22h 05m2 stops

1:50 pm - 10:53 pm

OSL

ONT

18h 03m2 stops

$538United Airlines

Sat, Jan 24 - Wed, Jan 28

1:53 pm - 11:40 pm

ONT

OSL

24h 47m2 stops

6:05 am - 10:53 pm

OSL

ONT

25h 48m2 stops

$552United Airlines

Mon, Mar 23 - Mon, Apr 6

5:02 pm - 6:40 pm

ONT

OSL

17h 38m2 stops

5:05 pm - 5:46 pm

OSL

ONT

57h 41m2 stops

$557British Airways

Thu, May 7 - Thu, May 21

7:00 am - 10:55 am

ONT

OSL

18h 55m2 stops

7:05 am - 8:17 pm

OSL

ONT

22h 12m2 stops

$564United Airlines

Fri, May 1 - Thu, May 21

7:00 am - 10:55 am

ONT

OSL

18h 55m2 stops

7:10 am - 5:18 pm

OSL

ONT

19h 08m2 stops

$566United Airlines

Mon, Feb 9 - Mon, Feb 23

4:45 pm - 6:40 pm

ONT

OSL

16h 55m2 stops

8:50 pm - 6:39 pm

OSL

ONT

30h 49m2 stops

$570British Airways

Mon, Feb 9 - Mon, Feb 23

4:45 pm - 10:40 pm

ONT

OSL

20h 55m2 stops

8:50 pm - 6:39 pm

OSL

ONT

30h 49m2 stops

$572British Airways

Thu, Apr 23 - Thu, May 7

11:01 am - 4:15 pm

ONT

OSL

20h 14m2 stops

7:45 am - 9:56 pm

OSL

ONT

23h 11m2 stops

$574British Airways

Booking Insights

Cheapest flight	$405

Flight from Ontario to Oslo

When to book flights from Ontario to Oslo Gardermoen

Are your dates flexible? Find out the best times to travel from Ontario to Oslo Gardermoen based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Ontario to Oslo Gardermoen Airport?
In the last 3 days, the lowest price for a flight from Ontario to Oslo Gardermoen Airport was $405 for a one-way ticket and $524 for a round-trip.
Do I need a passport to fly between Ontario and Oslo?
A passport is required to fly from Ontario to Oslo.
Which airports will I be using when flying from Ontario to Oslo?
When flying out of Ontario you will be using Ontario. You will be landing at Oslo, also known as Oslo Gardermoen.
Which aircraft models fly most regularly from Ontario to Oslo?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Ontario to Oslo?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Oslo.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Oslo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Oslo?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Ontario with another airline. Booking your flights between Ontario and OSL can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Oslo?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Oslo Gardermoen

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

Ontario (ONT)

Oslo Gardermoen (OSL)

ONT - OSL

$405 Find Cheap Flights from Ontario to Oslo

KAYAK searches hundreds of travel sites at once for deals on flights to Oslo Gardermoen Airport

Everything you should know

Cheap Flights from Ontario to Oslo Gardermoen (ONT-OSL)

Recent round-trip flight deals from Ontario to Oslo Gardermoen

Recent one-way flight deals from Ontario to Oslo Gardermoen

Recent last minute flight deals from Ontario to Oslo Gardermoen

Good to know

When to book flights from Ontario to Oslo Gardermoen

FAQs for booking Ontario to Oslo flights

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

In the last 3 days, the lowest price for a flight from Ontario to Oslo Gardermoen Airport was $405 for a one-way ticket and $524 for a round-trip.

Do I need a passport to fly between Ontario and Oslo?

A passport is required to fly from Ontario to Oslo.

Which airports will I be using when flying from Ontario to Oslo?

When flying out of Ontario you will be using Ontario. You will be landing at Oslo, also known as Oslo Gardermoen.

Which aircraft models fly most regularly from Ontario to Oslo?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Ontario to Oslo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Oslo.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Oslo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Oslo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Ontario with another airline. Booking your flights between Ontario and OSL can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Oslo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Oslo Gardermoen

Information on your arrival and departure airports

Cabin class types available on flights to Oslo Gardermoen

Complete your trip to Oslo with a hotel stay or car rental

Find direct flights to and from Ontario and Oslo Gardermoen

Flights to other popular destinations

Flights from domestic origins to Oslo Gardermoen

Choose which airport to fly into in Oslo