Cheap flights from Illinois to Oslo from $274
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Oslo departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Illinois to Oslo that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Oslo.
Cheap last minute flights
Planning a quick getaway from Illinois to Oslo? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Oslo, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Illinois to Oslo
Find recent round-trip train or bus tickets from Illinois to Oslo.
All round-trip flight deals to Oslo
The cheapest plane tickets to Oslo found on KAYAK recently.
British Airways flights from Illinois to Oslo
Our best British Airways deals on Illinois to Oslo flight tickets
British Airways![British Airways]()
Feb 24![British Airways]()
Mar 3
ORD9:45 pmChicago O'Hare Intl
17h 55m
1 stop
OSL10:40 pmOslo Gardermoen
OSL2:30 pmOslo Gardermoen
30h 25m
1 stop
ORD1:55 pmChicago O'Hare Intl
British Airways![British Airways]()
Feb 9![British Airways]()
Feb 20
ORD5:20 pmChicago O'Hare Intl
13h 25m
2 stops
OSL1:45 pmOslo Gardermoen
OSL11:40 amOslo Gardermoen
14h 05m
1 stop
ORD6:45 pmChicago O'Hare Intl
Air Canada flights from Illinois to Oslo
Our best Air Canada deals on Illinois to Oslo flight tickets
Air Canada![Air Canada]()
Feb 24![Air Canada]()
Mar 3
ORD11:04 amChicago O'Hare Intl
18h 41m
2 stops
OSL12:45 pmOslo Gardermoen
OSL6:20 amOslo Gardermoen
15h 25m
2 stops
ORD2:45 pmChicago O'Hare Intl
Air Canada![Air Canada]()
Jan 22![Air Canada]()
Jan 26
ORD11:35 amChicago O'Hare Intl
17h 35m
2 stops
OSL12:10 pmOslo Gardermoen
OSL6:20 amOslo Gardermoen
20h 35m
2 stops
ORD7:55 pmChicago O'Hare Intl
See travel insights to Oslo from
How to get the cheapest flight ticket from Illinois to Oslo
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
Airlines
Other information
What is the cheapest month to fly to Oslo?
The month of February is, on average, the cheapest month to fly to Oslo from Illinois, with most prices found around $492. If you’re not able to fly to Oslo in February, then November is your next best option. Flight prices from Illinois to Oslo during November average around $513.
What is the cheapest day to depart on your flight to Oslo?
The cheapest day to depart on your flight to Oslo is on a Sunday when prices can be found for as low as $668. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Oslo for around $755.
What is the cheapest time of day to depart on your flight to Oslo?
Flying to Oslo from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $587 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $730. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Oslo?
The ideal time to book your flight to Oslo is 34 days in advance when prices tend to average $662. Keep in mind that you might be able to find cheaper flights to Oslo at any time. In fact, our users found flights for as low as $453 in the past 72 hours.
What is the cheapest airline that flies from Illinois to Oslo?
TAP AIR PORTUGAL, Icelandair, and British Airways are the most popular carriers operating from Illinois to Oslo
What airlines fly to Oslo?
Icelandair, Scandinavian Airlines and British Airways are the top three most popular airlines that fly to Oslo from Illinois according to our data. Icelandair is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 10 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Oslo flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Oslo
When did momondo last update prices for flights from Illinois to Oslo?
Prices for flights from Illinois to Oslo refresh daily.
How many operators does momondo search for flights from Illinois to Oslo?
As of January 2025, there are 10 operators available to choose from for flights from Illinois to Oslo.
How old do you have to be to fly from Illinois to Oslo?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Oslo.
What documentation or ID do you need to fly to Oslo?
The travel and health documents required for your trip to Oslo can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Illinois to Oslo
Compare and see reviews for airlines that fly from Illinois to Oslo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $428 | Free Cancellation | Rating 7.1 498 reviews | |||
| PriceFrom $433 | Free Cancellation | Rating 7.3 1,301 reviews | |||
| PriceFrom $454 | Free Cancellation | Rating 7.6 1,284 reviews | |||
| PriceFrom $503 | Free Cancellation | Rating 6.6 6,792 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 6.7 7,078 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.8 1,336 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.4 8,944 reviews | |||
| PriceFrom $567 | Free Cancellation | Rating 7.4 1,486 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 8.0 8,501 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Oslo?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Illinois.
Can I find flights from Illinois to Oslo with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to Oslo flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to Oslo?
Once all potential Illinois to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Illinois to Oslo right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Illinois to Oslo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
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