$370+ Cheap flights from Oslo Gardermoen (OSL) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Oslo Gardermoen to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oslo Gardermoen to Illinois
Keep the following information in mind while searching for Oslo Gardermoen to Illinois flight deals. Data was last updated April 17, 2025.
Round-trip from | $419 (Travelis) |
|---|---|
One-way from | $370 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $510 |
Find flight deals from Oslo Gardermoen to Illinois
Cheapest flights from Oslo Gardermoen to IllinoisExplore the most affordable flight options available from Oslo Gardermoen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.
Explore the most affordable flight options available from Oslo Gardermoen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.
This Ticket deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flysmarter deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Iberia deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This AirNGo deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Travelis deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Oslo Gardermoen to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Wed 8/27
9:20 am-2:40 pm
1 stop12h 20m
Chicago O'Hare Intl
Tue 9/2
4:20 pm-11:05 am
1 stop11h 45m
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Wed 8/27
9:20 am-2:40 pm
1 stop12h 20m
Chicago O'Hare Intl
Tue 9/2
5:45 pm-4:40 pm
2 stops15h 55m
OsloChicago
OSL - MDW
OSLMDW
Oslo Gardermoen
Wed 8/27
6:30 am-6:03 pm
2 stops18h 33m
Chicago Midway
Tue 9/2
5:59 pm-4:40 pm
2 stops15h 41m
OsloSt. Louis
OSL - STL
OSLSTL
Oslo Gardermoen
Fri 5/2
11:45 am-10:12 pm
2 stops17h 27m
Lambert-St Louis
Tue 5/6
10:36 am-10:35 am
2 stops16h 59m
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Mon 5/12
5:05 pm-2:15 pm
2 stops28h 10m
Chicago O'Hare Intl
Mon 5/26
10:25 pm-11:30 pm
1 stop18h 05m
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Thu 5/15
7:45 am-6:15 pm
1 stop17h 30m
Chicago O'Hare Intl
Thu 5/29
10:25 pm-11:55 pm
1 stop18h 30m
OsloSt. Louis
OSL - STL
OSLSTL
Oslo Gardermoen
Fri 5/2
7:50 am-7:29 pm
2 stops18h 39m
Lambert-St Louis
Tue 5/6
6:00 am-11:25 pm
2 stops34h 25m
OsloChicago
OSL - ORD
OSLORD
Oslo Gardermoen
Mon 5/12
8:00 am-1:50 pm
1 stop12h 50m
Chicago O'Hare Intl
Mon 5/26
5:40 pm-11:30 pm
1 stop22h 50m
OsloSt. Louis
OSL - STL
OSLSTL
Oslo Gardermoen
Fri 5/2
6:35 am-1:30 pm
1 stop13h 55m
Lambert-St Louis
Tue 5/6
5:29 pm-6:05 pm
2 stops17h 36m
OsloSt. Louis
OSL - STL
OSLSTL
Oslo Gardermoen
Fri 5/2
6:35 am-1:30 pm
1 stop13h 55m
Lambert-St Louis
Tue 5/6
1:30 pm-3:40 pm
2 stops19h 10m
Best time to book a flight from Oslo Gardermoen to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Oslo Gardermoen with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Oslo Gardermoen Airport to Illinois
What is the cheapest month to book a flight from Oslo Gardermoen Airport to Illinois?
Currently, August is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Illinois (average of $245). Flying from Oslo Gardermoen Airport to Illinois in March is currently the most expensive (average of $321). 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.
What is the cheapest time of day to fly from OSL to IL?
Find hourly flight availability from Oslo Gardermoen to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.
When flying from Oslo Gardermoen Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 17, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT from Oslo to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Food
Overall
Boarding
Entertainment
Comfort
Crew
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Oslo Gardermoen to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Oslo Gardermoen to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Oslo Gardermoen to Illinois
Discover the top airline that operate flights from Oslo Gardermoen to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$416 | Average$512 | FlexibilityNo cancel fee | On-time70% |