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Find cheap flights from Chicago O'Hare Airport to Oslo from $304

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to Oslo departing on 5/7. 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.
1 adult
0 bags
Sun 5/19
Sun 5/26

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Oslo, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Oslo, as well as popular online travel agencies
In the last 7 days travelers have searched 44,212,662 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

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Cheap flight deals from O'Hare Intl to Oslo (ORD-OSL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from O'Hare Intl 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.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
11:11 am - 11:55 pmORD-OSL
29h 44m2 stops
3:15 pm - 8:55 amOSL-ORD
24h 40m1 stop
$494
Find Deal
Tue, May 7 - Thu, May 16
6:09 am - 7:55 pmORD-OSL
30h 46m2 stops
7:55 pm - 10:13 amOSL-ORD
21h 18m1 stop
$507
Find Deal
Sun, Apr 28 - Tue, Jun 4
8:35 pm - 11:30 pmORD-OSL
19h 55m1 stop
7:35 am - 3:50 pmOSL-ORD
15h 15m1 stop
$541British Airways
Find Deal
Wed, May 1 - Wed, May 8
8:20 am - 10:40 amORD-OSL
19h 20m1 stop
7:35 am - 1:45 pmOSL-ORD
13h 10m1 stop
$542British Airways
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Wed, May 1 - Wed, May 8
10:39 am - 10:40 amORD-OSL
17h 01m2 stops
7:40 am - 1:45 pmOSL-ORD
13h 05m1 stop
$545American Airlines
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Wed, May 1 - Tue, May 7
6:05 pm - 4:35 pmORD-OSL
15h 30m2 stops
7:40 am - 5:20 pmOSL-ORD
16h 40m1 stop
$548American Airlines
Find Deal
Tue, Apr 30 - Tue, May 7
5:55 pm - 5:20 pmORD-OSL
16h 25m1 stop
6:45 am - 2:41 pmOSL-ORD
14h 56m2 stops
$553Austrian Airlines
Find Deal
Wed, May 1 - Wed, May 8
4:20 pm - 2:15 pmORD-OSL
14h 55m1 stop
3:00 pm - 1:20 pmOSL-ORD
29h 20m1 stop
$558Austrian Airlines
Find Deal
Wed, Apr 24 - Sun, Apr 28
7:15 pm - 1:15 pmORD-OSL
35h 00m1 stop
6:25 am - 4:05 pmOSL-ORD
16h 40m1 stop
$559SWISS
Find Deal
Sat, Apr 27 - Mon, May 6
7:15 pm - 4:35 pmORD-OSL
14h 20m2 stops
6:25 am - 4:05 pmOSL-ORD
16h 40m1 stop
$577SWISS
Find Deal
Wed, Apr 24 - Sun, Apr 28

Flights from O'Hare Intl to Oslo - Travel Insights & Trends

Get data-powered insights and trends into flights from O'Hare Intl to Oslo to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Chicago O'Hare Airport to Oslo?

The average price of all flights from Chicago O'Hare Intl Airport to Oslo clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Oslo on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Chicago O'Hare Airport to Oslo. For your return ticket, we recommend flying on a Sunday and avoiding Saturdays for the best deals.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Oslo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Chicago O'Hare Intl Airport to Oslo, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Chicago O'Hare Intl Airport to Oslo is February, where tickets cost $494 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,041 and $1,014 respectively.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Oslo?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Chicago O'Hare Intl Airport to Oslo, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Chicago O'Hare Intl Airport to Oslo, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 26 days before departure.

Which airlines provide the cheapest flights from Chicago O'Hare Airport to Oslo?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Lufthansa ($409) and SWISS ($416). The cheapest round-trip tickets were found on British Airways ($541) and American Airlines ($545).

Good to know

Cheapest flight

$304
Flight from Chicago O'Hare Airport to Oslo Airport

When to book flights from O'Hare Intl to Oslo

Are your dates flexible? Find out the best times to travel from O'Hare Intl to Oslo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago O'Hare Airport to Oslo flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Oslo?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Oslo was $304 for a one-way ticket and $494 for a round-trip.

  • Do I need a passport to fly between Chicago O'Hare Airport and Oslo?

    Yes

  • Which airports will I be using when flying from Chicago O'Hare Airport to Oslo?

    Chicago O'Hare Airport is served by only 1 airport and there are 2 airports in Oslo. You will leave Chicago O'Hare Airport from Chicago O'Hare Intl and you will be arriving in Oslo at one of these airports: Oslo Gardermoen or Oslo Sandefjord.

  • Which aircraft models fly most regularly from Chicago O'Hare Airport to Oslo?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Chicago O'Hare Airport to Oslo?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Chicago O'Hare Airport and Oslo, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Oslo from Chicago O'Hare Airport?

    Reykjavik is the most popular layover city among KAYAK users traveling from Chicago O'Hare Airport to Oslo.

  • How does KAYAK find such low prices on flights from Chicago O'Hare Airport 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 Chicago O'Hare Airport to Oslo.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Chicago O'Hare Airport 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 Chicago O'Hare Airport 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 Chicago O'Hare Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago O'Hare Airport 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 Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Chicago to Oslo

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Chicago to Oslo found on KAYAK in the last 72 hours.
5/7Tue
2 stops
29h 44mORD-OSL
$304
6/17Mon
1 stop
12h 58mORD-OSL
$336
6/17Mon
2 stops
22h 47mORD-OSL
$356
5/7Tue
3 stops
44h 09mORD-TRF
$358
5/15Wed
1 stop
32h 15mORD-OSL
$369
5/7Tue
1 stopLufthansa
13h 30mORD-OSL
$409
7/12Fri
1 stopSWISS
21h 20mORD-OSL
$416
4/29Mon
1 stopSWISS
21h 20mORD-OSL
$417
4/29Mon
1 stopAir France
15h 40mORD-OSL
$419
4/29Mon
2 stopsUnited Airlines
21h 00mORD-OSL
$426

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Last minute flights from O'Hare Intl to Oslo

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Chicago to Oslo that are departing in the next 10 days.
4/21Sun
multi-stopBritish Airways
21h 25mORD-OSL
5/7Tue
multi-stopBritish Airways
15h 10mOSL-ORD
$533
4/23Tue
multi-stopAmerican Airlines
25h 00mORD-OSL
4/30Tue
multi-stopAmerican Airlines
30h 30mOSL-ORD
$541
4/21Sun
multi-stopAmerican Airlines
18h 00mORD-OSL
5/7Tue
multi-stopAmerican Airlines
13h 05mOSL-ORD
$542
4/23Tue
multi-stopAmerican Airlines
14h 55mORD-OSL
4/30Tue
multi-stopAmerican Airlines
32h 30mOSL-ORD
$544
4/24Wed
multi-stopAustrian Airlines
14h 55mORD-OSL
4/28Sun
multi-stopAustrian Airlines
29h 20mOSL-ORD
$558
4/24Wed
multi-stopSWISS
14h 20mORD-OSL
4/28Sun
multi-stopSWISS
16h 40mOSL-ORD
$577
4/21Sun
multi-stopUnited Airlines
20h 11mORD-OSL
5/7Tue
multi-stopUnited Airlines
19h 04mOSL-ORD
$582
4/21Sun
multi-stopDelta
17h 00mORD-OSL
5/7Tue
multi-stopDelta
20h 41mOSL-ORD
$595
4/21Sun
multi-stopUnited Airlines
20h 11mORD-OSL
4/23Tue
multi-stopUnited Airlines
41h 53mOSL-ORD
$764
4/23Tue
multi-stopDelta
16h 25mORD-OSL
4/27Sat
multi-stopDelta
17h 20mOSL-ORD
$794

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Chicago O'Hare Airport - Oslo Flights

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Chicago O'Hare Airport (ORD)United States

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