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Cheap flights from Illinois to Oslo from $230

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 11/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
6:30 pm - 8:35 pmORD-OSL
19h 05m1 stop
Icelandair Logo
1:10 pm - 5:20 pmOSL-ORD
11h 10m1 stop
$361Icelandair
Find Deal
Sat, Nov 8 - Mon, Nov 24
Icelandair Logo
6:30 pm - 11:35 amORD-OSL
10h 05m1 stop
Icelandair Logo
1:10 pm - 5:20 pmOSL-ORD
11h 10m1 stop
$362Icelandair
Find Deal
Sat, Nov 8 - Mon, Nov 24
Scandinavian Airlines Logo
10:35 am - 9:20 amORD-OSL
15h 45m2 stops
Scandinavian Airlines Logo
9:05 pm - 4:45 pmOSL-ORD
26h 40m1 stop
$384Scandinavian Airlines
Find Deal
Thu, Nov 27 - Wed, Dec 3
Scandinavian Airlines Logo
7:20 pm - 3:20 pmORD-OSL
13h 00m1 stop
Scandinavian Airlines Logo
11:05 am - 5:45 pmOSL-ORD
12h 40m1 stop
$401Scandinavian Airlines
Find Deal
Mon, Mar 2 - Mon, Mar 9
TAP AIR PORTUGAL Logo
8:25 pm - 5:55 pmORD-OSL
14h 30m1 stop
TAP AIR PORTUGAL Logo
6:45 pm - 2:45 pmOSL-ORD
27h 00m1 stop
$458TAP AIR PORTUGAL
Find Deal
Sun, Mar 1 - Sat, Mar 7
Air Canada Logo
6:28 pm - 5:40 pmORD-OSL
40h 12m2 stops
Air Canada Logo
6:15 am - 8:00 pmOSL-ORD
20h 45m2 stops
$480Air Canada
Find Deal
Mon, Mar 2 - Thu, Mar 5
Multiple Airlines Logo
7:05 am - 12:10 pmORD-OSL
22h 05m2 stops
Multiple Airlines Logo
6:15 am - 2:55 pmOSL-ORD
15h 40m2 stops
$481Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
Multiple Airlines Logo
2:00 pm - 5:40 pmORD-OSL
20h 40m2 stops
Multiple Airlines Logo
6:05 am - 8:05 pmOSL-ORD
21h 00m1 stop
$482Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
TAP AIR PORTUGAL Logo
8:25 pm - 5:55 pmORD-OSL
14h 30m1 stop
TAP AIR PORTUGAL Logo
6:55 pm - 3:25 pmOSL-ORD
27h 30m1 stop
$484TAP AIR PORTUGAL
Find Deal
Sun, Mar 1 - Thu, Mar 5
Air Canada Logo
12:50 pm - 1:00 pmORD-OSL
17h 10m2 stops
Air Canada Logo
6:05 am - 5:48 pmOSL-ORD
18h 43m2 stops
$486Air Canada
Find Deal
Wed, Dec 3 - Wed, Dec 10

Icelandair flights from Illinois to Oslo Gardermoen Airport

Our best Icelandair deals on Illinois to Oslo Gardermoen Airport flight tickets
Icelandair
Nov 8
ORD6:30 pmChicago O'Hare Intl
19h 05m
1 stop
OSL8:35 pmOslo Gardermoen
Nov 24
OSL1:10 pmOslo Gardermoen
11h 10m
1 stop
ORD5:20 pmChicago O'Hare Intl
$361
Find similar
Icelandair
Nov 8
ORD6:30 pmChicago O'Hare Intl
10h 05m
1 stop
OSL11:35 amOslo Gardermoen
Nov 24
OSL1:10 pmOslo Gardermoen
11h 10m
1 stop
ORD5:20 pmChicago O'Hare Intl
$362
Find similar
Icelandair
Nov 18
ORD6:30 pmChicago O'Hare Intl
10h 05m
1 stop
OSL11:35 amOslo Gardermoen
Nov 25
OSL1:10 pmOslo Gardermoen
11h 10m
1 stop
ORD5:20 pmChicago O'Hare Intl
$385
Find similar

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 27
ORD10:35 amChicago O'Hare Intl
15h 45m
2 stops
OSL9:20 amOslo Gardermoen
Dec 3
OSL9:05 pmOslo Gardermoen
26h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
$384
Find similar
Scandinavian Airlines
Mar 2
ORD7:20 pmChicago O'Hare Intl
13h 00m
1 stop
OSL3:20 pmOslo Gardermoen
Mar 9
OSL11:05 amOslo Gardermoen
12h 40m
1 stop
ORD5:45 pmChicago O'Hare Intl
$401
Find similar
Scandinavian Airlines
Feb 26
ORD10:40 amChicago O'Hare Intl
20h 35m
2 stops
OSL2:15 pmOslo Gardermoen
Mar 5
OSL11:05 amOslo Gardermoen
12h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
$413
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Oslo Gardermoen Airport 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 October 20, 2025.
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

Sat 11/8

6:30 pm-8:35 pm

1 stop19h 05m

Oslo Gardermoen

Mon 11/24

1:10 pm-5:20 pm

1 stop11h 10m

$361

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 11/8

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Mon 11/24

1:10 pm-5:20 pm

1 stop11h 10m

$362

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 11/27

10:35 am-9:20 am

2 stops15h 45m

Oslo Gardermoen

Wed 12/3

9:05 pm-4:45 pm

1 stop26h 40m

$384

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/2

7:20 pm-3:20 pm

1 stop13h 00m

Oslo Gardermoen

Mon 3/9

11:05 am-5:45 pm

1 stop12h 40m

$401

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 3/1

8:25 pm-5:55 pm

1 stop14h 30m

Oslo Gardermoen

Sat 3/7

6:45 pm-2:45 pm

1 stop27h 00m

$458

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 3/2

6:28 pm-5:40 pm

2 stops40h 12m

Oslo Gardermoen

Thu 3/5

6:15 am-8:00 pm

2 stops20h 45m

$480

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 11/18

7:05 am-12:10 pm

2 stops22h 05m

Oslo Gardermoen

Tue 11/25

6:15 am-2:55 pm

2 stops15h 40m

$481

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 12/3

2:00 pm-5:40 pm

2 stops20h 40m

Oslo Gardermoen

Wed 12/10

6:05 am-8:05 pm

1 stop21h 00m

$482

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 3/1

8:25 pm-5:55 pm

1 stop14h 30m

Oslo Gardermoen

Thu 3/5

6:55 pm-3:25 pm

1 stop27h 30m

$484

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 12/3

12:50 pm-1:00 pm

2 stops17h 10m

Oslo Gardermoen

Wed 12/10

6:05 am-5:48 pm

2 stops18h 43m

$486

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 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?

The cheapest month to fly to Oslo Gardermoen Airport from Illinois is in November. Flight prices, which tend to average around $502, 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 $533.

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 $639 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 $558 on momondo.

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

You could potentially save up to 85% 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

Direct flights

None
There are no direct flights from Illinois to Oslo Gardermoen Airport. There are no popular flight routes from Illinois to Oslo Gardermoen Airport.
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  • 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?

  • 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
Scandinavian AirlinesPriceFrom $390Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $416Free CancellationRating
7.0
561 reviews
Search Icelandair flights
LufthansaPriceFrom $494Free CancellationRating
6.8
7,506 reviews
Search Lufthansa flights
American AirlinesPriceFrom $516Free CancellationRating
7.2
11,024 reviews
Search American Airlines flights
FinnairPriceFrom $521Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
British AirwaysPriceFrom $530Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
United AirlinesPriceFrom $532Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
KLMPriceFrom $550Free CancellationRating
7.7
1,404 reviews
Search KLM flights
DeltaPriceFrom $562Free CancellationRating
7.9
7,977 reviews
Search Delta flights
SWISSPriceFrom $605Free CancellationRating
7.5
1,771 reviews
Search SWISS flights

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
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.

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