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Cheap flights from Oslo to Chicago (CHI)

OSL — CHI
Nov 14 — Nov 211
Sat 11/14
Sat 11/21
1 adult, Economy
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Find flight deals from Oslo to Chicago

Popular in

June

Cheapest in

January

Average price

$648
Highest demand for flights based on searches. 12% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Best time to book a flight from Oslo to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Oslo with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Oslo to Chicago

How far ahead should I book a flight from Oslo to Chicago?

The price you pay for your flight from Oslo to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Oslo to Chicago?

Currently, January is the cheapest month in which you can book a flight from Oslo to Chicago (average of $486). Flying from Oslo to Chicago in June is currently the most expensive (average of $733). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Chicago

Get a feel of what it's like to fly with Icelandair from Oslo to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
6.9
Okay
758 reviews

Food

6.1

Comfort

6.9

Boarding

7.2

Crew

8.0

Entertainment

6.9

Overall

6.9

Reviews

1 / 20
10.0
Excellent

Victoria,Sep 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.
Icelandair
6.9
Okay
758 reviews
Icelandair
6.9
Okay
758 reviews

Food

6.1

Comfort

6.9

Boarding

7.2

Crew

8.0

Entertainment

6.9

Overall

6.9

Reviews

1 / 20
10.0
Excellent

Victoria,Sep 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.

Related info for your journey

  • What are the cheapest airlines to fly from Oslo to Chicago one-way?

    $320 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and Icelandair, with prices starting from $435 and $455, respectively.

  • What are the most popular routes from Oslo to Chicago?

    The most popular flight routes from Oslo to Chicago are Oslo Gardermoen - Chicago O'Hare Intl, Oslo Gardermoen - Chicago Midway and Oslo Sandefjord - Chicago O'Hare Intl.

  • Can I find deals for flights from Oslo to Chicago that include hotel bookings?

    Yes. In addition to deals on Oslo to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oslo to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo to Chicago.

  • Can I find deals for business class flights from Oslo to Chicago?

    Yes. Cheapflights offers flight deals from Oslo to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oslo to Chicago?

    Currently, January is the cheapest month in which you can book a flight from Oslo to Chicago (average of $486). Flying from Oslo to Chicago in June is currently the most expensive (average of $733). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Merrillville
Lansing
Valparaiso
Hammond
Saint Joseph
Porter

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Alternative routes for Oslo to Chicago

Oslo Gardermoen to O'Hare Intl flights
Oslo Gardermoen to St. Louis flights
Bergen to O'Hare Intl flights

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