How does KAYAK find such low prices on flights from Illinois to Oslo Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Oslo Airport. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oslo Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo Airport from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Oslo Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo Airport with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oslo Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$173 CHEAP FLIGHTS from Illinois to Oslo Airport (OSL)

OSL

KAYAK searches hundreds of travel sites at once for deals on flights to Oslo Gardermoen Airport

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Cheap Flights from Illinois to Oslo Gardermoen

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Oslo Gardermoen

Fri, Apr 10 - Sat, Apr 25

7:25 pm - 12:35 pm

ORD

OSL

10h 10m

1 stop

4:30 pm - 6:15 pm

OSL

ORD

32h 45m

1 stop

$358Icelandair

Fri, Apr 10 - Thu, Apr 23

7:25 pm - 12:35 pm

ORD

OSL

10h 10m

1 stop

1:50 pm - 6:15 pm

OSL

ORD

11h 25m

1 stop

$363Icelandair

Sun, Aug 16 - Tue, Aug 25

9:40 pm - 10:30 am

STL

OSL

29h 50m

1 stop

7:45 am - 7:30 pm

OSL

STL

18h 45m

1 stop

$594British Airways

Sun, Apr 26 - Sun, May 3

9:27 am - 8:45 am

MDW

OSL

16h 18m

2 stops

6:30 am - 5:58 pm

OSL

MDW

18h 28m

2 stops

$603Delta

Wed, Mar 25 - Sat, Apr 4

9:35 am - 8:40 am

MDW

OSL

17h 05m

2 stops

9:20 am - 6:40 pm

OSL

MDW

16h 20m

2 stops

$604Delta

Sun, Aug 16 - Tue, Aug 25

9:40 pm - 12:05 pm

STL

OSL

31h 25m

2 stops

8:30 pm - 6:29 pm

OSL

STL

28h 59m

2 stops

$607Finnair

Sun, Aug 16 - Tue, Aug 25

9:40 pm - 12:05 pm

STL

OSL

31h 25m

2 stops

11:15 am - 7:30 pm

OSL

STL

15h 15m

1 stop

$626Multiple Airlines

Sat, Aug 22 - Sat, Aug 29

6:55 pm - 3:35 pm

STL

OSL

37h 40m

2 stops

8:15 am - 8:19 pm

OSL

STL

19h 04m

2 stops

$644Multiple Airlines

Sun, Apr 26 - Tue, May 12

5:21 pm - 4:35 pm

STL

OSL

16h 14m

2 stops

8:35 am - 10:19 pm

OSL

STL

20h 44m

2 stops

$653Finnair

Wed, Apr 22 - Wed, Apr 29

5:21 pm - 5:35 pm

STL

OSL

17h 14m

2 stops

7:45 am - 7:30 pm

OSL

STL

18h 45m

1 stop

$663British Airways

Useful Info

Low season	November
High season	July
Cheapest flight	$173

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly with an average 24% increase in price.

Flight from Chicago O'Hare Airport to Oslo Airport

How does KAYAK find such low prices on flights from Illinois to Oslo Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Oslo Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oslo Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo Airport from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Oslo Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo Airport with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oslo Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Gardermoen

Lillehammer

Drammen

Fredrikstad

Everything you need to know for your flight to Oslo Gardermoen

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

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Return flight deals

Information on your arrival and departure airports

Oslo Airport (OSL)

OSL

$173 Find Cheap Flights from Illinois to Oslo Airport

KAYAK searches hundreds of travel sites at once for deals on flights to Oslo Gardermoen Airport

Cheap Flights from Illinois to Oslo Gardermoen

Recent round-trip flight deals from Illinois to Oslo Gardermoen

Recent one-way flight deals from Illinois to Oslo Gardermoen

Recent last minute flight deals from Illinois to Oslo Gardermoen

Good to know

FAQs for booking Illinois to Oslo Airport flights

How does KAYAK find such low prices on flights from Illinois to Oslo Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Oslo Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oslo Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo Airport from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Oslo Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo Airport with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Oslo Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Oslo Gardermoen?

Everything you need to know for your flight to Oslo Gardermoen

Information on your arrival and departure airports

Cabin class types available on flights to Oslo Gardermoen

Complete your trip to Oslo Gardermoen with a hotel stay or car rental

Find direct flights for Oslo Gardermoen

Flights to other popular destinations

Flights from domestic origins to Illinois

Choose which airport to fly into in Oslo

Find deals for your return flight