Find Deals on Flights from Oslo & other airports to Chicago (OSL - CHI)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Oslo & other airports to Chicago

(Round-trip)
Depart: Wed Jun 21 2017 Return: Sun Jul 2 2017 Trip spans 12 days
KLM
KLM
OSL
ORD
14h 55m
1 stop
ORD
OSL
16h 40m
1 stop
Depart: Tue May 16 2017 Return: Tue May 30 2017 Trip spans 15 days
Delta
Delta
OSL
ORD
16h 25m
2 stops
ORD
OSL
17h 20m
1 stop
Depart: Mon Jan 23 2017 Return: Mon Jan 30 2017 Trip spans 8 days
KLM
KLM
OSL
ORD
15h 00m
1 stop
ORD
OSL
14h 30m
1 stop
Depart: Thu Jan 26 2017 Return: Mon Jan 30 2017 Trip spans 5 days
KLM
KLM
OSL
MDW
17h 21m
2 stops
MDW
OSL
14h 10m
2 stops
Depart: Sat Dec 24 2016 Return: Thu Feb 9 2017 Trip spans 48 days
Delta
Delta
OSL
ORD
15h 00m
1 stop
ORD
OSL
20h 17m
2 stops
Depart: Fri May 5 2017 Return: Tue May 9 2017 Trip spans 5 days
KLM
KLM
OSL
MDW
15h 25m
2 stops
MDW
OSL
15h 00m
2 stops
Depart: Mon Dec 26 2016 Return: Sat Jan 7 2017 Trip spans 13 days
$1514
Select
Delta
Delta
OSL
MDW
18h 09m
2 stops
MDW
OSL
15h 15m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Oslo
$387
Destination

Chicago
only $387
only $412
Airlines