What is the cheapest airline that flies from Illinois to Oslo Gardermoen?

TAP AIR PORTUGAL, Icelandair, and American Airlines are the most popular carriers operating from Illinois to Oslo Gardermoen

What airlines fly to Oslo Gardermoen Airport?

Icelandair, Scandinavian Airlines and United Airlines are the top three most popular airlines that fly to Oslo Gardermoen Airport from Illinois according to our data. Icelandair is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 9 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Oslo Gardermoen Airport?

Average flight duration from Illinois to Oslo Gardermoen Airport depends on which airport you fly into and out of. Flying from Chicago to Oslo Gardermoen Airport is 12h 33m on average, while flying from Moline to Oslo Gardermoen Airport is 18h 36m on average. Oslo Gardermoen Airport is the most popular airport in Oslo Gardermoen Airport.

How many operators does momondo search for flights from Illinois to Oslo Gardermoen Airport?

As of August 2025, there are 10 operators available to choose from for flights from Illinois to Oslo Gardermoen Airport.

How old do you have to be to fly from Illinois to Oslo Gardermoen Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Oslo Gardermoen Airport.

What documentation or ID do you need to fly to Oslo Gardermoen Airport?

The travel and health documents required for your trip to Oslo Gardermoen Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo Gardermoen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$254 Cheap Flights from Illinois to Oslo Gardermoen Airport in 2025

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Find the cheapest flights from Illinois to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

7:20 pm - 2:15 pmORD-OSL

11h 55m1 stop

8:00 am - 4:45 pmOSL-ORD

15h 45m1 stop

$374Scandinavian Airlines

Find Deal

Mon, Nov 3 - Fri, Nov 14

7:20 pm - 6:15 pmORD-OSL

15h 55m1 stop

5:55 am - 4:45 pmOSL-ORD

17h 50m1 stop

$376Scandinavian Airlines

Find Deal

Thu, Nov 6 - Wed, Nov 12

10:15 pm - 12:35 pmORD-OSL

31h 20m1 stop

1:50 pm - 6:15 pmOSL-ORD

11h 25m1 stop

$389Icelandair

Find Deal

Fri, Oct 10 - Thu, Oct 23

7:25 pm - 3:40 pmORD-OSL

13h 15m1 stop

1:50 pm - 6:15 pmOSL-ORD

11h 25m1 stop

$391Icelandair

Find Deal

Thu, Oct 9 - Wed, Oct 22

12:50 pm - 5:40 pmORD-OSL

21h 50m2 stops

1:00 pm - 4:20 pmOSL-ORD

34h 20m1 stop

$440

Find Deal

Mon, Nov 3 - Fri, Nov 14

2:00 pm - 2:10 pmORD-OSL

17h 10m2 stops

1:55 pm - 3:55 pmOSL-ORD

33h 00m1 stop

$471

Find Deal

Wed, Oct 8 - Tue, Oct 14

3:35 pm - 10:50 amORD-OSL

12h 15m1 stop

6:55 pm - 12:30 pmOSL-ORD

24h 35m1 stop

$473Lufthansa

Find Deal

Wed, Oct 8 - Tue, Oct 14

8:15 pm - 5:40 pmORD-OSL

38h 25m2 stops

6:15 am - 7:30 pmOSL-ORD

20h 15m2 stops

$481United Airlines

Find Deal

Sat, Feb 7 - Sat, Feb 21

9:40 pm - 10:10 pmORD-OSL

17h 30m1 stop

11:50 am - 7:25 pmOSL-ORD

13h 35m1 stop

$487Lufthansa

Find Deal

Mon, Oct 13 - Mon, Oct 27

3:35 pm - 10:50 amORD-OSL

12h 15m1 stop

11:50 am - 7:25 pmOSL-ORD

13h 35m1 stop

$489United Airlines

Find Deal

Mon, Oct 13 - Thu, Oct 30

Scandinavian Airlines flights from Illinois to Oslo Gardermoen Airport

Our best Scandinavian Airlines deals on Illinois to Oslo Gardermoen Airport flight tickets

Scandinavian Airlines

Nov 3

ORD7:20 pmChicago O'Hare Intl

11h 55m

1 stop

OSL2:15 pmOslo Gardermoen

Nov 14

OSL8:00 amOslo Gardermoen

15h 45m

1 stop

ORD4:45 pmChicago O'Hare Intl

$374

Find similar

Scandinavian Airlines

Nov 6

ORD7:20 pmChicago O'Hare Intl

15h 55m

1 stop

OSL6:15 pmOslo Gardermoen

Nov 12

OSL5:55 amOslo Gardermoen

17h 50m

1 stop

ORD4:45 pmChicago O'Hare Intl

$376

Find similar

Scandinavian Airlines

Dec 7

ORD7:20 pmChicago O'Hare Intl

30h 00m

1 stop

OSL8:20 amOslo Gardermoen

Dec 14

OSL8:00 amOslo Gardermoen

15h 45m

1 stop

ORD4:45 pmChicago O'Hare Intl

$387

Find similar

Lufthansa flights from Illinois to Oslo Gardermoen Airport

Our best Lufthansa deals on Illinois to Oslo Gardermoen Airport flight tickets

Lufthansa

Oct 8

ORD3:35 pmChicago O'Hare Intl

12h 15m

1 stop

OSL10:50 amOslo Gardermoen

Oct 14

OSL6:55 pmOslo Gardermoen

24h 35m

1 stop

ORD12:30 pmChicago O'Hare Intl

$473

Find similar

Lufthansa

Oct 13

ORD9:40 pmChicago O'Hare Intl

17h 30m

1 stop

OSL10:10 pmOslo Gardermoen

Oct 27

OSL11:50 amOslo Gardermoen

13h 35m

1 stop

ORD7:25 pmChicago O'Hare Intl

$487

Find similar

Lufthansa

Oct 9

ORD9:40 pmChicago O'Hare Intl

13h 25m

1 stop

OSL6:05 pmOslo Gardermoen

Oct 22

OSL6:50 amOslo Gardermoen

13h 05m

1 stop

ORD12:55 pmChicago O'Hare Intl

$520

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 11/3

7:20 pm-2:15 pm

1 stop11h 55m

Oslo Gardermoen

Fri 11/14

8:00 am-4:45 pm

1 stop15h 45m

$374

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 11/6

7:20 pm-6:15 pm

1 stop15h 55m

Oslo Gardermoen

Wed 11/12

5:55 am-4:45 pm

1 stop17h 50m

$376

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 10/10

10:15 pm-12:35 pm

1 stop31h 20m

Oslo Gardermoen

Thu 10/23

1:50 pm-6:15 pm

1 stop11h 25m

$389

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 10/9

7:25 pm-3:40 pm

1 stop13h 15m

Oslo Gardermoen

Wed 10/22

1:50 pm-6:15 pm

1 stop11h 25m

$391

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 11/3

12:50 pm-5:40 pm

2 stops21h 50m

Oslo Gardermoen

Fri 11/14

1:00 pm-4:20 pm

1 stop34h 20m

$440

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 10/8

2:00 pm-2:10 pm

2 stops17h 10m

Oslo Gardermoen

Tue 10/14

1:55 pm-3:55 pm

1 stop33h 00m

$471

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 10/8

3:35 pm-10:50 am

1 stop12h 15m

Oslo Gardermoen

Tue 10/14

6:55 pm-12:30 pm

1 stop24h 35m

$473

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 2/7

8:15 pm-5:40 pm

2 stops38h 25m

Oslo Gardermoen

Sat 2/21

6:15 am-7:30 pm

2 stops20h 15m

$481

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 10/13

9:40 pm-10:10 pm

1 stop17h 30m

Oslo Gardermoen

Mon 10/27

11:50 am-7:25 pm

1 stop13h 35m

$487

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 10/13

3:35 pm-10:50 am

1 stop12h 15m

Oslo Gardermoen

Thu 10/30

11:50 am-7:25 pm

1 stop13h 35m

$489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Oslo Gardermoen Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

The cheapest month to fly to Oslo Gardermoen Airport from Illinois is in November. Flight prices, which tend to average around $507, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Oslo Gardermoen Airport from Illinois during October instead. Flights to Oslo Gardermoen Airport in October, while not as cheap as those in November, still average around $530.

What is the cheapest day to depart on your flight to Oslo Gardermoen Airport?

According to our data, Sunday is the cheapest day to fly to Oslo Gardermoen Airport from Illinois. The lowest ticket price found for a Sunday departure recently was $668. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Oslo Gardermoen Airport for around $755.

What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?

Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is at noon. Flights from Illinois to Oslo Gardermoen Airport during this time can be as low as $587. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is in the morning when prices are around $730.

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

You are more likely to see cheaper flights to Oslo Gardermoen Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $640 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Illinois for as low as $579 on momondo.

Can stopping save me money on Illinois to Oslo Gardermoen Airport flights?

You could potentially save up to 78% on your flight if you consider stops on a Illinois to Oslo Gardermoen Airport flight.

Cheap Illinois to Oslo Gardermoen Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Oslo Gardermoen Airport

Best Price Found	$254
Fastest flight time	10h 10m
Direct flights	None

The best one-way flight to Oslo Gardermoen Airport from Illinois in the past 72 hours is $254. The best round-trip flight deal from Illinois to Oslo Gardermoen Airport found on momondo in the last 72 hours is $374.

The fastest flight from Illinois to Oslo Gardermoen Airport takes 10h 10m

There are no direct flights from Illinois to Oslo Gardermoen Airport. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Oslo Gardermoen Airport and Chicago Midway Airport - Oslo Gardermoen Airport.

Search flight deals

When did momondo last update prices for flights from Illinois to Oslo Gardermoen Airport?
Prices for flights from Illinois to Oslo Gardermoen Airport refresh daily.
How many operators does momondo search for flights from Illinois to Oslo Gardermoen Airport?
As of August 2025, there are 10 operators available to choose from for flights from Illinois to Oslo Gardermoen Airport.
How old do you have to be to fly from Illinois to Oslo Gardermoen Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Oslo Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The travel and health documents required for your trip to Oslo Gardermoen Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo Gardermoen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from Illinois to Oslo Gardermoen Airport with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $408	Free Cancellation	Rating 7.0 527 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $432	Free Cancellation	Rating 7.4 1,469 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $515	Free Cancellation	Rating 6.8 7,325 reviews	Search Lufthansa flights
American Airlines	PriceFrom $532	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $540	Free Cancellation	Rating 6.6 7,271 reviews	Search British Airways flights
KLM	PriceFrom $550	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
United Airlines	PriceFrom $550	Free Cancellation	Rating 7.4 8,919 reviews	Search United Airlines flights
Finnair	PriceFrom $552	Free Cancellation	Rating 7.6 1,321 reviews	Search Finnair flights
Delta	PriceFrom $562	Free Cancellation	Rating 8.0 7,986 reviews	Search Delta flights

Gardermoen

Fredrikstad

Drammen

Lillehammer

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Oslo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Illinois.

Can I find flights from Illinois to Oslo with flexible booking policies on momondo?

Yes. All flights to Oslo from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Oslo?

Once all potential Illinois to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Oslo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Oslo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oslo and let you know when they change.

An easier way to manage your Oslo Gardermoen Airport trip

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Flights to Oslo Sandefjord Airportfrom $375

Cheap flights from Illinois to Oslo from $254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Oslo departing on 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Cheap round-trip flights

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Scandinavian Airlines flights from Illinois to Oslo Gardermoen Airport

Our best Scandinavian Airlines deals on Illinois to Oslo Gardermoen Airport flight tickets

Lufthansa flights from Illinois to Oslo Gardermoen Airport

Our best Lufthansa deals on Illinois to Oslo Gardermoen Airport flight tickets

momondo Fare Finder

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

See travel insights to Oslo from

How to get the cheapest flight ticket from Illinois to Oslo Gardermoen Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

What is the cheapest day to depart on your flight to Oslo Gardermoen Airport?

What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?

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

Can stopping save me money on Illinois to Oslo Gardermoen Airport flights?

You could potentially save up to 78% on your flight if you consider stops on a Illinois to Oslo Gardermoen Airport flight.

What is the cheapest airline that flies from Illinois to Oslo Gardermoen?

TAP AIR PORTUGAL, Icelandair, and American Airlines are the most popular carriers operating from Illinois to Oslo Gardermoen

What airlines fly to Oslo Gardermoen Airport?

How long does it take to fly to Oslo Gardermoen Airport?

Cheap Illinois to Oslo Gardermoen Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Oslo Gardermoen Airport

Best Price Found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Illinois to Oslo Gardermoen Airport?

How many operators does momondo search for flights from Illinois to Oslo Gardermoen Airport?

How old do you have to be to fly from Illinois to Oslo Gardermoen Airport?

What documentation or ID do you need to fly to Oslo Gardermoen Airport?

Best airlines flying from Illinois to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from Illinois to Oslo Gardermoen Airport with momondo

Traveling to a place near Oslo?

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Oslo?

Can I find flights from Illinois to Oslo with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Oslo?

I’m not ready to book a flight from Illinois to Oslo right now. Can momondo alert me if prices change?

An easier way to manage your Oslo Gardermoen Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Oslo

Popular cities in Norway

Popular flights according to clicks in the last 7 days on momondo