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

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. 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?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo 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?

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 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?

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 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>

$389 CHEAP FLIGHTS from Illinois to Oslo

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Cheap Flight Deals from Illinois to Oslo

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Oslo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Oslo

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Oslo.

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

Choose your dates

10:15 pm - 3:25 pmORD-OSL

10h 10m1 stop

4:30 pm - 9:15 pmOSL-ORD

11h 45m1 stop

$469Icelandair

Find Deal

Fri, Aug 22 - Wed, Sep 10

7:25 pm - 3:25 pmORD-OSL

13h 00m1 stop

4:30 pm - 6:15 pmOSL-ORD

32h 45m1 stop

$471Icelandair

Find Deal

Tue, Sep 9 - Sat, Sep 13

7:15 pm - 4:35 pmORD-OSL

14h 20m1 stop

7:05 pm - 4:10 pmOSL-ORD

28h 05m1 stop

$499Scandinavian Airlines

Find Deal

Mon, Sep 8 - Wed, Sep 17

10:35 pm - 11:30 pmORD-OSL

17h 55m1 stop

1:10 pm - 5:50 pmOSL-ORD

11h 40m1 stop

$504Finnair

Find Deal

Mon, Aug 11 - Thu, Aug 21

8:40 am - 1:05 pmORD-OSL

21h 25m2 stops

6:35 am - 8:12 pmOSL-ORD

20h 37m2 stops

$542Air Canada

Find Deal

Mon, May 5 - Mon, May 12

9:15 pm - 11:30 pmORD-OSL

19h 15m1 stop

1:10 pm - 5:50 pmOSL-ORD

11h 40m1 stop

$543American Airlines

Find Deal

Mon, Aug 11 - Thu, Aug 21

7:00 am - 12:15 pmORD-OSL

22h 15m2 stops

6:35 am - 9:52 amOSL-ORD

34h 17m2 stops

$569Air Canada

Find Deal

Tue, May 6 - Tue, May 13

5:45 pm - 11:25 pmORD-OSL

22h 40m1 stop

7:40 am - 5:37 pmOSL-ORD

16h 57m2 stops

$571American Airlines

Find Deal

Tue, Aug 12 - Wed, Aug 20

7:00 am - 9:15 amORD-OSL

19h 15m2 stops

11:05 am - 4:10 pmOSL-ORD

12h 05m1 stop

$584Scandinavian Airlines

Find Deal

Tue, Aug 26 - Thu, Sep 4

8:30 pm - 10:30 pmORD-OSL

19h 00m1 stop

8:35 am - 5:50 pmOSL-ORD

16h 15m1 stop

$613Finnair

Find Deal

Fri, May 16 - Sun, May 25

Cheapest flight	$389

Flight from Chicago O'Hare Airport to Oslo Sandefjord

How does KAYAK find such low prices on flights from Illinois to Oslo?
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.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Oslo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo 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?
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 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?
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 from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Everything you need to know for your flight to Oslo

Cabin class types available on flights to Illinois

First Class flights to Oslo

Business Class flights to Oslo

Prem Econ Class flights to Oslo

Economy Class flights to Oslo

$389 Find Cheap Flights from Illinois to Oslo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Oslo departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

Cheap Flight Deals from Illinois to Oslo

Recent round-trip flight deals from Illinois to Oslo

Recent one-way flight deals from Illinois to Oslo

Recent last minute flight deals from Illinois to Oslo

Good to know

Cheapest flight

FAQs for booking flights from Illinois to Oslo

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

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

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

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

Everything you need to know for your flight to Oslo

Cabin class types available on flights to Illinois

Cabin classes available on flights to Oslo. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Find direct flights for Oslo

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights from domestic origins to Oslo

Flights from all regions of Illinois to Oslo. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Oslo

Find deals for your return flight