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Cheap flights from Oslo Gardermoen Airport to Illinois from $284

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 2/28. 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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Find the cheapest flights from Oslo Gardermoen Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
6:55 pm - 3:25 pmOSL-ORD
27h 30m1 stop
TAP AIR PORTUGAL Logo
8:15 pm - 5:55 pmORD-OSL
14h 40m1 stop
$412TAP AIR PORTUGAL
Find Deal
qui, nov 13 - sex, nov 28
TAP AIR PORTUGAL Logo
6:55 pm - 3:25 pmOSL-ORD
27h 30m1 stop
TAP AIR PORTUGAL Logo
8:15 pm - 5:55 pmORD-OSL
14h 40m1 stop
$416TAP AIR PORTUGAL
Find Deal
qui, nov 13 - sex, nov 28
Icelandair Logo
1:05 pm - 5:20 pmOSL-ORD
11h 15m1 stop
Icelandair Logo
7:25 pm - 12:35 pmORD-OSL
10h 10m1 stop
$419Icelandair
Find Deal
dom, mar 1 - seg, mar 30
Icelandair Logo
1:10 pm - 5:20 pmOSL-ORD
11h 10m1 stop
Icelandair Logo
7:25 pm - 12:35 pmORD-OSL
10h 10m1 stop
$420Icelandair
Find Deal
qui, fev 26 - seg, mar 30
Icelandair Logo
1:05 pm - 6:20 pmOSL-ORD
11h 15m1 stop
Icelandair Logo
7:25 pm - 3:25 pmORD-OSL
13h 00m1 stop
$421Icelandair
Find Deal
dom, mar 15 - seg, mar 30
Scandinavian Airlines Logo
8:00 am - 4:45 pmOSL-ORD
15h 45m1 stop
Scandinavian Airlines Logo
7:20 pm - 6:15 pmORD-OSL
15h 55m1 stop
$472Scandinavian Airlines
Find Deal
qui, dez 4 - seg, dez 8
British Airways Logo
7:20 am - 5:42 pmOSL-ORD
17h 22m2 stops
British Airways Logo
9:15 pm - 6:40 pmORD-OSL
14h 25m1 stop
$475British Airways
Find Deal
dom, mar 1 - seg, mar 30
British Airways Logo
7:10 am - 5:33 pmOSL-ORD
16h 23m2 stops
British Airways Logo
10:35 pm - 11:25 pmORD-OSL
17h 50m1 stop
$476British Airways
Find Deal
sáb, mar 14 - ter, mar 31
Lufthansa Logo
6:15 am - 3:20 pmOSL-ORD
16h 05m1 stop
Lufthansa Logo
9:50 pm - 5:40 pmORD-OSL
12h 50m1 stop
$494Lufthansa
Find Deal
qui, nov 13 - sex, nov 28
Lufthansa Logo
6:15 am - 8:05 pmOSL-ORD
20h 50m1 stop
Lufthansa Logo
3:20 pm - 3:40 pmORD-OSL
17h 20m1 stop
$509Lufthansa
Find Deal
qui, nov 13 - sex, nov 28

Lufthansa flights from Oslo Gardermoen Airport to Illinois

Our best Lufthansa deals on Oslo Gardermoen Airport to Illinois flight tickets
Lufthansa
Nov 13
OSL6:15 amOslo Gardermoen
16h 05m
1 stop
ORD3:20 pmChicago O'Hare Intl
Nov 28
ORD9:50 pmChicago O'Hare Intl
12h 50m
1 stop
OSL5:40 pmOslo Gardermoen
$494
Find similar
Lufthansa
Nov 13
OSL6:15 amOslo Gardermoen
20h 50m
1 stop
ORD8:05 pmChicago O'Hare Intl
Nov 28
ORD3:20 pmChicago O'Hare Intl
17h 20m
1 stop
OSL3:40 pmOslo Gardermoen
$509
Find similar
Lufthansa
Oct 25
OSL6:35 amOslo Gardermoen
15h 20m
1 stop
ORD2:55 pmChicago O'Hare Intl
Oct 27
ORD10:50 pmChicago O'Hare Intl
12h 50m
1 stop
OSL5:40 pmOslo Gardermoen
$728
Find similar

United Airlines flights from Oslo Gardermoen Airport to Illinois

Our best United Airlines deals on Oslo Gardermoen Airport to Illinois flight tickets
United Airlines
Mar 16
OSL6:15 amOslo Gardermoen
19h 45m
2 stops
ORD8:00 pmChicago O'Hare Intl
Mar 30
ORD11:45 amChicago O'Hare Intl
16h 05m
2 stops
OSL10:50 amOslo Gardermoen
$516
Find similar
United Airlines
Feb 27
OSL6:15 amOslo Gardermoen
15h 40m
2 stops
ORD2:55 pmChicago O'Hare Intl
Mar 29
ORD4:15 pmChicago O'Hare Intl
18h 45m
2 stops
OSL6:00 pmOslo Gardermoen
$519
Find similar
United Airlines
Feb 26
OSL1:45 pmOslo Gardermoen
16h 58m
2 stops
ORD11:43 pmChicago O'Hare Intl
Mar 30
ORD11:45 amChicago O'Hare Intl
16h 05m
2 stops
OSL10:50 amOslo Gardermoen
$520
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 outubro 23, 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

qui 11/13

6:55 pm-3:25 pm

1 stop27h 30m

Chicago O'Hare Intl

sex 11/28

8:15 pm-5:55 pm

1 stop14h 40m

$412

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

qui 11/13

6:55 pm-3:25 pm

1 stop27h 30m

Chicago O'Hare Intl

sex 11/28

8:15 pm-5:55 pm

1 stop14h 40m

$416

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

dom 3/1

1:05 pm-5:20 pm

1 stop11h 15m

Chicago O'Hare Intl

seg 3/30

7:25 pm-12:35 pm

1 stop10h 10m

$419

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

qui 2/26

1:10 pm-5:20 pm

1 stop11h 10m

Chicago O'Hare Intl

seg 3/30

7:25 pm-12:35 pm

1 stop10h 10m

$420

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

dom 3/15

1:05 pm-6:20 pm

1 stop11h 15m

Chicago O'Hare Intl

seg 3/30

7:25 pm-3:25 pm

1 stop13h 00m

$421

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

qui 12/4

8:00 am-4:45 pm

1 stop15h 45m

Chicago O'Hare Intl

seg 12/8

7:20 pm-6:15 pm

1 stop15h 55m

$472

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

dom 3/1

7:20 am-5:42 pm

2 stops17h 22m

Chicago O'Hare Intl

seg 3/30

9:15 pm-6:40 pm

1 stop14h 25m

$475

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

sáb 3/14

7:10 am-5:33 pm

2 stops16h 23m

Chicago O'Hare Intl

ter 3/31

10:35 pm-11:25 pm

1 stop17h 50m

$476

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

qui 11/13

6:15 am-3:20 pm

1 stop16h 05m

Chicago O'Hare Intl

sex 11/28

9:50 pm-5:40 pm

1 stop12h 50m

$494

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

qui 11/13

6:15 am-8:05 pm

1 stop20h 50m

Chicago O'Hare Intl

sex 11/28

3:20 pm-3:40 pm

1 stop17h 20m

$509

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 $441, 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 $446.

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 $566 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 7% 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

Direct flights

None
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
1,537 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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sáb 11/22
sáb 11/29
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