Cheap flights from Illinois to Oslo from $192
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 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Finnair flights from Illinois to Oslo Gardermoen Airport
Our best Finnair deals on Illinois to Oslo Gardermoen Airport flight tickets
Delta flights from Illinois to Oslo Gardermoen Airport
Our best Delta deals on Illinois to Oslo Gardermoen Airport flight tickets
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How to get the cheapest flight ticket from Illinois to Oslo Gardermoen Airport
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
What is the cheapest month to fly to Oslo Gardermoen Airport?
The cheapest month to fly to Oslo Gardermoen Airport from Illinois is in November. Flight prices, which tend to average around $512, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Oslo Gardermoen Airport from Illinois during October instead. Flights to Oslo Gardermoen Airport in October, while not as cheap as those in November, still average around $538.
What is the cheapest day to depart on your flight to Oslo Gardermoen Airport?
According to our data, Sunday is the cheapest day to fly to Oslo Gardermoen Airport from Illinois. The lowest ticket price found for a Sunday departure recently was $668. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 Gardermoen Airport for around $755.
What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?
Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is at noon. Flights from Illinois to Oslo Gardermoen Airport during this time can be as low as $587. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is in the morning when prices are around $730.
How far in advance should I book a flight to Oslo Gardermoen Airport?
You are more likely to see cheaper flights to Oslo Gardermoen Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $637 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Illinois for as low as $574 on momondo.
What is the cheapest airline that flies from Illinois to Oslo Gardermoen?
Icelandair, TAP AIR PORTUGAL, and United Airlines are the most popular carriers operating from Illinois to Oslo Gardermoen
What airlines fly to Oslo Gardermoen Airport?
Icelandair, Scandinavian Airlines and British Airways are the top three most popular airlines that fly to Oslo Gardermoen Airport from Illinois according to our data. Icelandair is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 9 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Oslo Gardermoen Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Oslo Gardermoen Airport
When did momondo last update prices for flights from Illinois to Oslo Gardermoen Airport?
Prices for flights from Illinois to Oslo Gardermoen Airport refresh daily.
How many operators does momondo search for flights from Illinois to Oslo Gardermoen Airport?
As of June 2025, there are 10 operators available to choose from for flights from Illinois to Oslo Gardermoen Airport.
How old do you have to be to fly from Illinois to Oslo Gardermoen Airport?
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 Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The travel and health documents required for your trip to Oslo Gardermoen Airport 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 Gardermoen Airport. 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 Gardermoen Airport
Compare and see reviews for airlines that fly from Illinois to Oslo Gardermoen Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $400 | Free Cancellation | Rating 7.0 502 reviews | |||
| PriceFrom $448 | Free Cancellation | Rating 7.3 1,393 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $534 | Free Cancellation | Rating 6.7 7,156 reviews | |||
| PriceFrom $540 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.8 1,363 reviews | |||
| PriceFrom $552 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 8.0 7,964 reviews |
Traveling to a place near Oslo?
Book flights to Oslo if you plan to visit one of these locationsWhy 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. All flights to Oslo from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
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?
If you are not ready to book a flight from Illinois to Oslo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oslo and let you know when they change.