Cheap flights from Key West to Illinois from $126
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Illinois departing on 2/22. 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 Key West 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 Key West is in August. Flight prices, which tend to average around $294, 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 August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $322.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Key West to Illinois is on a Thursday when prices can be found for as low as $348. Flights from Key West to Illinois on a Sunday will generally be more expensive and average around $1,006. 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 Key West to Illinois during this time can be as low as $359. Flights in the morning are often more expensive with an average ticket price of $457.
What is the cheapest Key West to Illinois flight route?
Fly from Key West to Chicago O'Hare Intl for the best Key West - Illinois flight prices
How many flights depart from Key West to Illinois on average per day?
3 flights are operational daily from Key West to Illinois as of January 2025. The most popular departure time for this route is 3:00PM, with 100% of flights per day taking off in the afternoon.
How many flights depart from Key West to Illinois on average per week?
As of January 2025, 22 flights take off from Key West and land in Illinois each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
Cheap Key West to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Key West to Illinois
When did momondo last update prices for flights from Key West Airport to Illinois?
Prices for flights from Key West Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Key West Airport to Illinois?
There are 2 operators available for flights from Key West Airport to Illinois as of January 2025.
How old do you have to be to fly from Key West Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Key West to Illinois?
Based on momondo bookings for flights between Key West and Illinois, the leading plane model is Boeing 737-700, making up 47.62% of the total bookings. Other popular models include Embraer 170 with 42.86%, Embraer 175 with 7.14%, and Airbus A319 with 2.38%.
Best airlines flying from Key West to Illinois
Compare and see reviews for airlines that fly from Key West to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $211 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $224 | Free Cancellation | Rating 7.4 8,970 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Key West to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Key West to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Key West to Illinois with flexible booking policies on momondo?
Flights from Key West 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 Key West to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Key West.
I’m not ready to book a flight from Key West to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Key West. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.