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Cheap flights from Oslo Gardermoen Airport to Illinois from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oslo Gardermoen Airport to Illinois departing on 4/4. 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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0 bags

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Find the cheapest flights from Oslo Gardermoen Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
9:30 pm - 5:20 pm
OSL
-
ORD
26h 50m1 stop
Icelandair Logo
6:30 pm - 8:35 pm
ORD
-
OSL
19h 05m1 stop
$384Icelandair
Sun, Jan 25 - Sat, Feb 7
Icelandair Logo
9:30 pm - 5:20 pm
OSL
-
ORD
26h 50m1 stop
Icelandair Logo
6:30 pm - 8:35 pm
ORD
-
OSL
19h 05m1 stop
$399Icelandair
Sun, Jan 25 - Sat, Feb 7
Icelandair Logo
1:50 pm - 6:15 pm
OSL
-
ORD
11h 25m1 stop
Icelandair Logo
7:25 pm - 3:25 pm
ORD
-
OSL
13h 00m1 stop
$411Icelandair
Sat, May 2 - Sat, May 9
Icelandair Logo
9:30 pm - 5:20 pm
OSL
-
ORD
26h 50m1 stop
Icelandair Logo
6:30 pm - 11:35 am
ORD
-
OSL
10h 05m1 stop
$412Icelandair
Sun, Jan 25 - Sat, Feb 7
Icelandair Logo
1:10 pm - 6:20 pm
OSL
-
ORD
11h 10m1 stop
Icelandair Logo
7:25 pm - 12:35 pm
ORD
-
OSL
10h 10m1 stop
$423Icelandair
Thu, Mar 12 - Sun, Mar 29
Scandinavian Airlines Logo
8:00 am - 4:45 pm
OSL
-
ORD
15h 45m1 stop
Scandinavian Airlines Logo
7:20 pm - 9:20 am
ORD
-
OSL
31h 00m1 stop
$437Scandinavian Airlines
Sat, Jan 24 - Sat, Jan 31
Delta Logo
9:25 am - 2:20 pm
OSL
-
ORD
11h 55m1 stop
Delta Logo
2:25 pm - 1:50 pm
ORD
-
OSL
16h 25m2 stops
$479Delta
Fri, Jan 23 - Fri, Jan 30
Delta Logo
6:30 am - 6:36 pm
OSL
-
MDW
19h 06m2 stops
Delta Logo
1:26 pm - 1:50 pm
MDW
-
OSL
17h 24m2 stops
$485Delta
Fri, Jan 23 - Fri, Jan 30
American Airlines Logo
7:05 am - 9:15 pm
OSL
-
STL
21h 10m2 stops
American Airlines Logo
9:33 am - 10:55 am
STL
-
OSL
18h 22m2 stops
$562American Airlines
Thu, Jan 22 - Mon, Jan 26
Air France Logo
6:25 am - 5:19 pm
OSL
-
MDW
17h 54m2 stops
Air France Logo
6:14 pm - 4:20 pm
MDW
-
OSL
15h 06m2 stops
$853Air France
Thu, Dec 25 - Thu, Jan 8

Icelandair flights from Oslo Gardermoen Airport to Illinois

Our best Icelandair deals on Oslo Gardermoen Airport to Illinois flight tickets
Icelandair
Jan 25
OSL9:30 pmOslo Gardermoen
26h 50m
1 stop
ORD5:20 pmChicago O'Hare Intl
Feb 7
ORD6:30 pmChicago O'Hare Intl
19h 05m
1 stop
OSL8:35 pmOslo Gardermoen
$384
Find similar
Icelandair
Jan 25
OSL9:30 pmOslo Gardermoen
26h 50m
1 stop
ORD5:20 pmChicago O'Hare Intl
Feb 7
ORD6:30 pmChicago O'Hare Intl
19h 05m
1 stop
OSL8:35 pmOslo Gardermoen
$399
Find similar
Icelandair
May 2
OSL1:50 pmOslo Gardermoen
11h 25m
1 stop
ORD6:15 pmChicago O'Hare Intl
May 9
ORD7:25 pmChicago O'Hare Intl
13h 00m
1 stop
OSL3:25 pmOslo Gardermoen
$411
Find similar

Scandinavian Airlines flights from Oslo Gardermoen Airport to Illinois

Our best Scandinavian Airlines deals on Oslo Gardermoen Airport to Illinois flight tickets
Scandinavian Airlines
Jan 24
OSL8:00 amOslo Gardermoen
15h 45m
1 stop
ORD4:45 pmChicago O'Hare Intl
Jan 31
ORD7:20 pmChicago O'Hare Intl
31h 00m
1 stop
OSL9:20 amOslo Gardermoen
$437
Find similar
Scandinavian Airlines
Dec 25
OSL9:05 pmOslo Gardermoen
26h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Jan 8
ORD7:20 pmChicago O'Hare Intl
11h 55m
1 stop
OSL2:15 pmOslo Gardermoen
$519
Find similar
Scandinavian Airlines
Feb 5
OSL10:00 amOslo Gardermoen
13h 45m
1 stop
ORD4:45 pmChicago O'Hare Intl
Feb 9
ORD10:40 amChicago O'Hare Intl
20h 35m
2 stops
OSL2:15 pmOslo Gardermoen
$545
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen Airport to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
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

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 1/25

9:30 pm-5:20 pm

1 stop26h 50m

Chicago O'Hare Intl

Sat 2/7

6:30 pm-8:35 pm

1 stop19h 05m

$384

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 1/25

9:30 pm-5:20 pm

1 stop26h 50m

Chicago O'Hare Intl

Sat 2/7

6:30 pm-8:35 pm

1 stop19h 05m

$399

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 5/2

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Sat 5/9

7:25 pm-3:25 pm

1 stop13h 00m

$411

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 1/25

9:30 pm-5:20 pm

1 stop26h 50m

Chicago O'Hare Intl

Sat 2/7

6:30 pm-11:35 am

1 stop10h 05m

$412

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 3/12

1:10 pm-6:20 pm

1 stop11h 10m

Chicago O'Hare Intl

Sun 3/29

7:25 pm-12:35 pm

1 stop10h 10m

$423

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 1/24

8:00 am-4:45 pm

1 stop15h 45m

Chicago O'Hare Intl

Sat 1/31

7:20 pm-9:20 am

1 stop31h 00m

$437

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 1/23

9:25 am-2:20 pm

1 stop11h 55m

Chicago O'Hare Intl

Fri 1/30

2:25 pm-1:50 pm

2 stops16h 25m

$479

OsloChicago

OSL - MDW

OSLMDW

Oslo Gardermoen

Fri 1/23

6:30 am-6:36 pm

2 stops19h 06m

Chicago Midway

Fri 1/30

1:26 pm-1:50 pm

2 stops17h 24m

$485

OsloSt. Louis

OSL - STL

OSLSTL

Oslo Gardermoen

Thu 1/22

7:05 am-9:15 pm

2 stops21h 10m

Lambert-St Louis

Mon 1/26

9:33 am-10:55 am

2 stops18h 22m

$562

OsloChicago

OSL - MDW

OSLMDW

Oslo Gardermoen

Thu 12/25

6:25 am-5:19 pm

2 stops17h 54m

Chicago Midway

Thu 1/8

6:14 pm-4:20 pm

2 stops15h 06m

$853

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Oslo Gardermoen Airport is in September. Flight prices, which tend to average around $445, 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 September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $480.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Oslo Gardermoen Airport to Illinois is on a Thursday when prices can be found for as low as $467. Flights from Oslo Gardermoen Airport to Illinois on a Saturday will generally be more expensive and average around $583. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Oslo Gardermoen Airport to Illinois during this time can be as low as $491. Flights in the afternoon are often more expensive with an average ticket price of $662.

How far in advance should I book a flight 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 $564 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 $400 on momondo.

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

You could potentially save up to 43% 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

11h 10m

Direct flights

None
The fastest flight from Oslo Gardermoen Airport to Illinois takes 11h 10m
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

  • 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?

  • 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 AirlinesPriceFrom $521Free CancellationRating
7.4
1,605 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.

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