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

Lufthansa is the most popular carrier 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 July 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.

$345 Cheap Flights from Oslo Gardermoen Airport to Illinois in 2026

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.

8:55 pm - 5:15 pm

OSL

ORD

27h 20m

2 stops

9:30 pm - 4:35 pm

ORD

OSL

12h 05m

1 stop

$580Finnair

Sat, Aug 22 - Sun, Sep 6

8:55 pm - 5:15 pm

OSL

ORD

27h 20m

2 stops

9:30 pm - 4:35 pm

ORD

OSL

12h 05m

1 stop

$581Finnair

Sat, Aug 22 - Sun, Sep 6

6:25 am - 12:55 pm

OSL

ORD

13h 30m

1 stop

2:20 pm - 1:15 pm

ORD

OSL

15h 55m

1 stop

$584Multiple Airlines

Fri, Aug 21 - Mon, Aug 31

7:45 am - 7:46 pm

OSL

ORD

19h 01m

2 stops

7:05 pm - 11:20 pm

ORD

OSL

21h 15m

1 stop

$587American Airlines

Tue, Aug 11 - Tue, Aug 18

5:35 am - 12:55 pm

OSL

ORD

14h 20m

1 stop

2:20 pm - 5:20 pm

ORD

OSL

20h 00m

1 stop

$591SWISS

Fri, Aug 14 - Thu, Aug 27

7:05 am - 7:15 pm

OSL

ORD

19h 10m

1 stop

1:31 pm - 10:35 am

ORD

OSL

14h 04m

2 stops

$592American Airlines

Thu, Dec 24 - Sun, Jan 10

9:05 pm - 4:45 pm

OSL

ORD

26h 40m

1 stop

7:15 pm - 1:10 pm

ORD

OSL

10h 55m

1 stop

$593Scandinavian Airlines

Fri, Dec 25 - Sun, Jan 10

7:45 am - 5:15 pm

OSL

ORD

16h 30m

1 stop

11:15 am - 10:40 am

ORD

OSL

16h 25m

2 stops

$597Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

6:15 am - 2:55 pm

OSL

ORD

15h 40m

1 stop

10:30 pm - 12:05 am

ORD

OSL

18h 35m

1 stop

$598Lufthansa

Sat, Aug 22 - Sun, Sep 6

4:45 pm - 11:36 pm

OSL

STL

37h 51m

2 stops

3:30 pm - 9:05 am

STL

OSL

34h 35m

1 stop

$1,031Lufthansa

Mon, Jul 20 - Fri, Jul 24

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American Airlines flights from Oslo Gardermoen Airport to Illinois

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

American Airlines

Aug 11

OSL7:45 amOslo Gardermoen

19h 01m

2 stops

ORD7:46 pmChicago O'Hare Intl

Aug 18

ORD7:05 pmChicago O'Hare Intl

21h 15m

1 stop

OSL11:20 pmOslo Gardermoen

$587

American Airlines

Dec 24

OSL7:05 amOslo Gardermoen

19h 10m

1 stop

ORD7:15 pmChicago O'Hare Intl

Jan 10

ORD1:31 pmChicago O'Hare Intl

14h 04m

2 stops

OSL10:35 amOslo Gardermoen

$592

American Airlines

Dec 17

OSL7:05 amOslo Gardermoen

18h 48m

2 stops

ORD6:53 pmChicago O'Hare Intl

Jan 12

ORD9:50 pmChicago O'Hare Intl

17h 50m

1 stop

OSL10:40 pmOslo Gardermoen

$595

British Airways flights from Oslo Gardermoen Airport to Illinois

Our best British Airways deals on Oslo Gardermoen Airport to Illinois flight tickets

British Airways

Dec 24

OSL11:45 amOslo Gardermoen

19h 14m

2 stops

ORD11:59 pmChicago O'Hare Intl

Jan 10

ORD1:31 pmChicago O'Hare Intl

14h 04m

2 stops

OSL10:35 amOslo Gardermoen

$601

British Airways

Oct 9

OSL11:45 amOslo Gardermoen

28h 20m

2 stops

ORD9:05 amChicago O'Hare Intl

Oct 12

ORD5:32 pmChicago O'Hare Intl

15h 48m

2 stops

OSL4:20 pmOslo Gardermoen

$617

British Airways

Nov 21

OSL11:20 amOslo Gardermoen

26h 55m

2 stops

ORD7:15 amChicago O'Hare Intl

Nov 29

ORD8:40 pmChicago O'Hare Intl

19h 00m

1 stop

OSL10:40 pmOslo Gardermoen

$619

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 - ORD

OSLORD

Oslo Gardermoen

Sat 8/22

8:55 pm-5:15 pm

2 stops27h 20m

Chicago O'Hare Intl

Sun 9/6

9:30 pm-4:35 pm

1 stop12h 05m

$580

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 8/22

8:55 pm-5:15 pm

2 stops27h 20m

Chicago O'Hare Intl

Sun 9/6

9:30 pm-4:35 pm

1 stop12h 05m

$581

Quickest round-trip

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 8/21

6:25 am-12:55 pm

1 stop13h 30m

Chicago O'Hare Intl

Mon 8/31

2:20 pm-1:15 pm

1 stop15h 55m

$584

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 8/11

7:45 am-7:46 pm

2 stops19h 01m

Chicago O'Hare Intl

Tue 8/18

7:05 pm-11:20 pm

1 stop21h 15m

$587

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 8/14

5:35 am-12:55 pm

1 stop14h 20m

Chicago O'Hare Intl

Thu 8/27

2:20 pm-5:20 pm

1 stop20h 00m

$591

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 12/24

7:05 am-7:15 pm

1 stop19h 10m

Chicago O'Hare Intl

Sun 1/10

1:31 pm-10:35 am

2 stops14h 04m

$592

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 12/25

9:05 pm-4:45 pm

1 stop26h 40m

Chicago O'Hare Intl

Sun 1/10

7:15 pm-1:10 pm

1 stop10h 55m

$593

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Tue 8/11

7:45 am-5:15 pm

1 stop16h 30m

Chicago O'Hare Intl

Tue 8/18

11:15 am-10:40 am

2 stops16h 25m

$597

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 8/22

6:15 am-2:55 pm

1 stop15h 40m

Chicago O'Hare Intl

Sun 9/6

10:30 pm-12:05 am

1 stop18h 35m

$598

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Mon 7/20

4:45 pm-11:36 pm

2 stops37h 51m

Lambert-St Louis

Fri 7/24

3:30 pm-9:05 am

1 stop34h 35m

$1,031

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 February. Flight prices, which tend to average around $304, 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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $306.

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 $606 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 $403 on momondo.

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

You could potentially save up to 15% 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

Fastest flight time	13h 05m
Direct flights	None

The fastest flight from Oslo Gardermoen Airport to Illinois takes 13h 05m

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 July 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 $614	Free Cancellation	Rating 7.4 1,864 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.