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

Finnair and KLM are the most popular carriers operating from Oslo Gardermoen to Illinois

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

Prices for flights from Oslo Gardermoen Airport to Illinois were last updated today.

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

As of October 2026, there is 1 operator available to choose from for flights from Oslo Gardermoen Airport to Illinois.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oslo Gardermoen Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$358 Cheap Flights from Oslo Gardermoen Airport to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oslo Gardermoen Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 4:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

13h 45m1 stop Kastrup Copenhagen

7:10 pm - 12:20 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

22h 10m1 stop Kastrup Copenhagen

$358Scandinavian Airlines

Mon, Nov 23 - Mon, Dec 7

9:30 pm - 5:20 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

26h 50m1 stop Reykjavik Keflavik Intl

6:30 pm - 11:35 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 05m1 stop Reykjavik Keflavik Intl

$377Icelandair

Sun, Nov 1 - Sun, Nov 15

7:05 pm - 4:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

28h 40m1 stop Kastrup Copenhagen

7:10 pm - 5:20 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

15h 10m1 stop Kastrup Copenhagen

$384Scandinavian Airlines

Mon, Nov 23 - Mon, Dec 7

8:00 am - 4:10 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

15h 10m1 stop Kastrup Copenhagen

7:15 pm - 12:55 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 40m1 stop Kastrup Copenhagen

$403Scandinavian Airlines

Fri, Apr 9 - Sun, Apr 18

1:10 pm - 5:20 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 10m1 stop Reykjavik Keflavik Intl

6:30 pm - 11:35 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 05m1 stop Reykjavik Keflavik Intl

$408Icelandair

Sun, Nov 22 - Sun, Nov 29

8:35 pm - 6:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

29h 10m1 stop London Heathrow

9:50 pm - 11:00 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

30h 10m1 stop London Heathrow

$418British Airways

Sun, Nov 22 - Sun, Nov 29

11:55 am - 6:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

13h 50m1 stop London Heathrow

6:30 pm - 10:40 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

21h 10m1 stop London Heathrow

$428British Airways

Mon, Nov 23 - Mon, Nov 30

8:00 am - 4:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

7:10 pm - 5:20 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

15h 10m1 stop Kastrup Copenhagen

$430Scandinavian Airlines

Thu, Dec 3 - Sun, Dec 6

8:40 am - 10:37 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

20h 57m2 stops Helsinki-Vantaa New York John F Kennedy Intl

6:30 pm - 10:40 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

21h 10m1 stop London Heathrow

$430Multiple Airlines

Mon, Nov 23 - Mon, Nov 30

8:00 am - 4:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

15h 45m1 stop Kastrup Copenhagen

7:10 pm - 5:20 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

15h 10m1 stop Kastrup Copenhagen

$431Scandinavian Airlines

Thu, Dec 3 - Sun, Dec 6

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 4:10 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

17h 10m1 stop Kastrup Copenhagen

7:10 pm - 10:30 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

20h 20m1 stop Kastrup Copenhagen

$700Scandinavian Airlines

Fri, Oct 16 - Fri, Feb 12

1:50 pm - 6:15 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

6:30 pm - 11:35 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 05m1 stop Reykjavik Keflavik Intl

$704Icelandair

Fri, Oct 16 - Tue, Feb 16

1:50 pm - 9:25 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

14h 35m1 stop Reykjavik Keflavik Intl

6:30 pm - 11:35 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 05m1 stop Reykjavik Keflavik Intl

$714Icelandair

Fri, Oct 16 - Sat, Feb 13

1:30 pm - 6:15 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 45m1 stop Reykjavik Keflavik Intl

6:30 pm - 11:35 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 05m1 stop Reykjavik Keflavik Intl

$714Icelandair

Thu, Oct 15 - Sat, Feb 13

8:00 am - 4:10 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

15h 10m1 stop Kastrup Copenhagen

7:10 pm - 8:20 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

18h 10m1 stop Kastrup Copenhagen

$715Scandinavian Airlines

Thu, Oct 15 - Fri, Feb 12

8:00 am - 4:10 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

15h 10m1 stop Kastrup Copenhagen

7:10 pm - 5:20 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

15h 10m1 stop Kastrup Copenhagen

$715Scandinavian Airlines

Thu, Oct 15 - Thu, Feb 11

6:00 am - 9:48 amOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

34h 48m2 stops Kastrup Copenhagen Boston Logan Intl

7:10 pm - 4:40 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

14h 30m1 stop Kastrup Copenhagen

$730Scandinavian Airlines

Fri, Oct 16 - Fri, Feb 12

6:00 am - 4:10 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

17h 10m1 stop Kastrup Copenhagen

7:10 pm - 6:15 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

16h 05m1 stop Kastrup Copenhagen

$736Scandinavian Airlines

Fri, Oct 16 - Thu, Feb 11

8:00 am - 4:10 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

15h 10m1 stop Kastrup Copenhagen

10:40 am - 11:15 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

17h 35m2 stops New York John F Kennedy Intl Kastrup Copenhagen

$748Scandinavian Airlines

Fri, Oct 16 - Tue, Feb 16

1:05 pm - 7:55 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

13h 50m1 stop Frankfurt am Main

5:20 pm - 5:30 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

18h 10m1 stop Frankfurt am Main

$751Lufthansa

Thu, Oct 15 - Tue, Mar 16

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Scandinavian Airlines flights from Oslo Gardermoen Airport to Illinois

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

Scandinavian Airlines

Nov 23

OSL10:00 amOslo Gardermoen

13h 45m

1 stop

ORD4:45 pmChicago O'Hare Intl

Dec 7

ORD7:10 pmChicago O'Hare Intl

22h 10m

1 stop

OSL12:20 amOslo Gardermoen

$358

Scandinavian Airlines

Nov 23

OSL7:05 pmOslo Gardermoen

28h 40m

1 stop

ORD4:45 pmChicago O'Hare Intl

Dec 7

ORD7:10 pmChicago O'Hare Intl

15h 10m

1 stop

OSL5:20 pmOslo Gardermoen

$384

Scandinavian Airlines

Dec 3

OSL8:00 amOslo Gardermoen

15h 45m

1 stop

ORD4:45 pmChicago O'Hare Intl

Dec 6

ORD7:10 pmChicago O'Hare Intl

15h 10m

1 stop

OSL5:20 pmOslo Gardermoen

$431

Icelandair flights from Oslo Gardermoen Airport to Illinois

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

Icelandair

Nov 1

OSL9:30 pmOslo Gardermoen

26h 50m

1 stop

ORD5:20 pmChicago O'Hare Intl

Nov 15

ORD6:30 pmChicago O'Hare Intl

10h 05m

1 stop

OSL11:35 amOslo Gardermoen

$377

Icelandair

Nov 22

OSL1:10 pmOslo Gardermoen

11h 10m

1 stop

ORD5:20 pmChicago O'Hare Intl

Nov 29

ORD6:30 pmChicago O'Hare Intl

10h 05m

1 stop

OSL11:35 amOslo Gardermoen

$408

Icelandair

Jan 11

OSL1:10 pmOslo Gardermoen

11h 10m

1 stop

ORD5:20 pmChicago O'Hare Intl

Jan 24

ORD6:30 pmChicago O'Hare Intl

10h 05m

1 stop

OSL11:35 amOslo Gardermoen

$545

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Mon 11/23

10:00 am-4:45 pm

1 stop13h 45m

Chicago O'Hare Intl

Mon 12/7

7:10 pm-12:20 am

1 stop22h 10m

$358

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Sun 11/1

9:30 pm-5:20 pm

1 stop26h 50m

Chicago O'Hare Intl

Sun 11/15

6:30 pm-11:35 am

1 stop10h 05m

$377

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Mon 11/23

7:05 pm-4:45 pm

1 stop28h 40m

Chicago O'Hare Intl

Mon 12/7

7:10 pm-5:20 pm

1 stop15h 10m

$384

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Fri 4/9

8:00 am-4:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sun 4/18

7:15 pm-12:55 pm

1 stop10h 40m

$403

Quickest round-trip

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Sun 11/22

1:10 pm-5:20 pm

1 stop11h 10m

Chicago O'Hare Intl

Sun 11/29

6:30 pm-11:35 am

1 stop10h 05m

$408

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Sun 11/22

8:35 pm-6:45 pm

1 stop29h 10m

Chicago O'Hare Intl

Sun 11/29

9:50 pm-11:00 am

1 stop30h 10m

$418

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Mon 11/23

11:55 am-6:45 pm

1 stop13h 50m

Chicago O'Hare Intl

Mon 11/30

6:30 pm-10:40 pm

1 stop21h 10m

$428

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Thu 12/3

8:00 am-4:45 pm

1 stop15h 45m

Chicago O'Hare Intl

Sun 12/6

7:10 pm-5:20 pm

1 stop15h 10m

$430

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Mon 11/23

8:40 am-10:37 pm

2 stops20h 57m

Chicago O'Hare Intl

Mon 11/30

6:30 pm-10:40 pm

1 stop21h 10m

$430

OsloChicago

OSL Oslo Gardermoen - ORD Chicago O'Hare Intl

OSLORD

Oslo Gardermoen

Thu 12/3

8:00 am-4:45 pm

1 stop15h 45m

Chicago O'Hare Intl

Sun 12/6

7:10 pm-5:20 pm

1 stop15h 10m

$431

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 Oslo Gardermoen Airport to Illinois

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Oslo Gardermoen Airport is in November. Flight prices, which tend to average around $486, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $486.

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

You are more likely to see cheaper flights to Illinois from Oslo Gardermoen Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $607 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Oslo Gardermoen Airport for as low as $380 on momondo.

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

You could potentially save up to 64% on your flight if you consider stops on a Oslo Gardermoen Airport to Illinois flight.

Cheap Oslo Gardermoen Airport to Illinois flight deals and tips

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

Best Price Found	$384
Fastest flight time	13h 50m
Direct flights	None

The best one-way flight to Illinois from Oslo Gardermoen Airport in the past 72 hours is $384. The best round-trip flight deal from Oslo Gardermoen Airport to Illinois found on momondo in the last 72 hours is $358.

The fastest flight from Oslo Gardermoen Airport to Illinois takes 13h 50m

There are no direct flights from Oslo Gardermoen Airport to Illinois. There are no popular flight routes from Oslo Gardermoen Airport to Illinois.

Search flight deals

Frequently asked questions about flying from Oslo Gardermoen Airport to Illinois

When did momondo last update prices for flights from Oslo Gardermoen Airport to Illinois?
Prices for flights from Oslo Gardermoen Airport to Illinois were last updated today.
How many operators does momondo search for flights from Oslo Gardermoen Airport to Illinois?
As of October 2026, there is 1 operator available to choose from for flights from Oslo Gardermoen Airport to Illinois.
How old do you have to be to fly from Oslo Gardermoen Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oslo Gardermoen Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oslo Gardermoen Airport to Illinois

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $364	Free Cancellation	Rating 7.4 2,015 reviews		Search Scandinavian Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oslo to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Oslo to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oslo to Illinois.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Oslo and alert you when they change.