Cheap flights from Geneva to Illinois from $329
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Geneva to Illinois departing on 9/17. 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 Geneva 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 Geneva is in February. Flight prices, which tend to average around $461, 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 February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $478.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Geneva to Illinois is on a Tuesday when prices can be found for as low as $472. Flights from Geneva to Illinois on a Sunday will generally be more expensive and average around $1,429. 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 at noon. Flights from Geneva to Illinois during this time can be as low as $550. Flights in the morning are often more expensive with an average ticket price of $743.
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Geneva when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $533 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Geneva for as low as $445 on momondo.
What is the cheapest airline that flies from Geneva Geneve-Cointrin to Illinois?
Lufthansa, SWISS, and Austrian Airlines are the most popular carriers operating from Geneva Geneve-Cointrin to Illinois
What airlines fly to Illinois?
British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Illinois from Geneva according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap Geneva to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Geneva to Illinois
When did momondo last update prices for flights from Geneva Geneve-Cointrin Airport to Illinois?
Prices for flights from Geneva Geneve-Cointrin Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Geneva Geneve-Cointrin Airport to Illinois?
As of June 2025, there are 4 operators available to choose from for flights from Geneva Geneve-Cointrin Airport to Illinois.
How old do you have to be to fly from Geneva Geneve-Cointrin 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 Geneva Geneve-Cointrin 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 Geneva to Illinois
Compare and see reviews for airlines that fly from Geneva to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $431 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $433 | Free Cancellation | Rating 6.6 7,019 reviews | |||
| PriceFrom $436 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $476 | Free Cancellation | Rating 6.8 7,148 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Geneva to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Geneva to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Geneva to Illinois with flexible booking policies on momondo?
Flights from Geneva 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 Geneva 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 Geneva to Illinois.
I’m not ready to book a flight from Geneva to Illinois right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Geneva to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.