Cheap flights from Oslo Gardermoen Airport to Illinois from $361
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oslo Gardermoen Airport to Illinois departing on 5/26. 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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How to get the cheapest flight ticket from Oslo Gardermoen Airport to Illinois
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 Illinois?
The cheapest month to fly to Illinois from Oslo Gardermoen Airport is in November. Flight prices, which tend to average around $412, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $422.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Oslo Gardermoen Airport to Illinois is on a Thursday when prices can be found for as low as $467. Flights from Oslo Gardermoen Airport to Illinois on a Saturday will generally be more expensive and average around $583. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Oslo Gardermoen Airport to Illinois during this time can be as low as $491. Flights in the afternoon are often more expensive with an average ticket price of $662.
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Oslo Gardermoen Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $564 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Oslo Gardermoen Airport for as low as $478 on momondo.
Cheap Oslo Gardermoen Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Oslo Gardermoen Airport to Illinois
When did momondo last update prices for flights from Oslo Gardermoen Airport to Illinois?
Prices for flights from Oslo Gardermoen Airport to Illinois were last updated today.
How many operators does momondo search for flights from Oslo Gardermoen Airport to Illinois?
As of May 2025, there are 2 operators available to choose from for flights from Oslo Gardermoen Airport to Illinois.
How old do you have to be to fly from Oslo Gardermoen Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oslo Gardermoen Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Oslo Gardermoen Airport to Illinois
Compare and see reviews for airlines that fly from Oslo Gardermoen Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $416 | Free Cancellation | Rating 6.6 6,845 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.0 487 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Oslo to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oslo to Illinois. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Oslo to Illinois with flexible booking policies on momondo?
Flights from Oslo to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Oslo to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oslo to Illinois.
I’m not ready to book a flight from Oslo to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Oslo and alert you when they change.