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Cheap flights from Chicago to Key West from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Key West departing on 1/24. 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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Find the cheapest flights from Chicago to Key West

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Key West 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 Chicago to Key West.

Cheap last minute flights

Planning a quick getaway from Chicago to Key West? 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 Key West, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Key West

Find recent round-trip train or bus tickets from Chicago to Key West.

All round-trip flight deals to Key West

The cheapest plane tickets to Key West found on KAYAK recently.
3:56 pm - 9:33 amORD-EYW
16h 37m2 stops
10:52 am - 11:32 pmEYW-ORD
13h 40m2 stops
Sun, Jan 26 - Wed, Jan 29
3:56 pm - 9:33 amORD-EYW
16h 37m2 stops
9:03 am - 11:32 pmEYW-ORD
15h 29m2 stops
Sun, Jan 26 - Thu, Jan 30
7:00 am - 5:15 pmORD-EYW
9h 15m1 stop
10:00 am - 10:27 pmEYW-ORD
13h 27m2 stops
Sun, Jan 26 - Thu, Jan 30
7:53 pm - 9:13 amORD-EYW
12h 20m1 stop
10:52 am - 8:49 pmEYW-ORD
10h 57m1 stop
Sun, Jan 5 - Wed, Jan 8
7:35 am - 4:01 pmORD-EYW
7h 26m1 stop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$234United Airlines
Find Deal
Sat, Jan 25 - Wed, Jan 29
7:35 am - 4:01 pmORD-EYW
7h 26m1 stop
1:50 pm - 8:25 pmEYW-ORD
7h 35m1 stop
$243United Airlines
Find Deal
Sat, Jan 25 - Wed, Jan 29
8:15 am - 12:52 pmORD-EYW
3h 37mnonstop
8:09 am - 2:15 pmEYW-ORD
7h 06m1 stop
$254American Airlines
Find Deal
Wed, Jan 1 - Wed, Jan 8
6:00 am - 2:08 pmMDW-EYW
7h 08m1 stop
6:16 pm - 10:20 pmEYW-MDW
5h 04m1 stop
$268Delta
Find Deal
Tue, Feb 4 - Sat, Feb 8
11:05 am - 5:21 pmORD-EYW
5h 16m1 stop
6:16 pm - 11:59 pmEYW-ORD
6h 43m1 stop
$268Delta
Find Deal
Tue, Jan 28 - Tue, Feb 4
10:28 am - 7:07 pmORD-EYW
7h 39m1 stop
1:06 pm - 3:37 pmEYW-ORD
3h 31mnonstop
$279American Airlines
Find Deal
Sat, Jan 11 - Thu, Jan 16
3:56 pm - 9:12 amORD-EYW
16h 16m2 stops
Fri, Jan 24
8:14 pm - 9:41 amORD-EYW
12h 27m1 stop
Mon, Dec 30
6:31 am - 1:56 pmORD-EYW
6h 25m1 stop
$178American Airlines
Find Deal
Mon, Jan 6
10:57 am - 5:21 pmMDW-EYW
5h 24m1 stop
$178Delta
Find Deal
Mon, Jan 6
12:05 pm - 10:10 amORD-EYW
21h 05m1 stop
$184United Airlines
Find Deal
Mon, Feb 3
6:08 pm - 10:10 amORD-EYW
15h 02m2 stops
$189United Airlines
Find Deal
Tue, Feb 4
6:25 pm - 6:55 pmORD-EYW
23h 30m1 stop
$190United Airlines
Find Deal
Sat, Feb 1
12:05 pm - 10:10 amORD-EYW
21h 05m1 stop
$198United Airlines
Find Deal
Fri, Feb 7
6:00 am - 2:08 pmMDW-EYW
7h 08m1 stop
$283Delta
Find Deal
Wed, Jan 8
8:00 am - 12:13 pmORD-EYW
3h 13mnonstop
$349American Airlines
Find Deal
Sat, Apr 12
1:59 pm - 8:34 pmORD-EYW
5h 35m1 stop
7:25 am - 2:26 pmEYW-ORD
8h 01m1 stop
$353Delta
Find Deal
Tue, Dec 10 - Tue, Dec 17
7:00 am - 1:24 pmORD-EYW
5h 24m1 stop
7:25 am - 2:26 pmEYW-ORD
8h 01m1 stop
$413Delta
Find Deal
Fri, Dec 6 - Tue, Dec 17
8:10 am - 12:35 pmORD-EYW
3h 25mnonstop
11:55 am - 6:00 pmEYW-ORD
7h 05m1 stop
$424American Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
7:00 am - 4:36 pmORD-EYW
8h 36m2 stops
8:05 am - 12:28 pmEYW-ORD
5h 23m1 stop
$438American Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
8:10 am - 12:35 pmORD-EYW
3h 25mnonstop
3:30 pm - 9:34 pmEYW-ORD
7h 04m1 stop
$449American Airlines
Find Deal
Mon, Dec 9 - Sat, Dec 14
10:38 am - 5:24 pmMDW-EYW
5h 46m1 stop
7:25 am - 11:58 amEYW-MDW
5h 33m1 stop
$458Delta
Find Deal
Sat, Dec 7 - Thu, Dec 12
8:10 am - 12:35 pmORD-EYW
3h 25mnonstop
2:13 pm - 8:30 pmEYW-ORD
7h 17m1 stop
$469American Airlines
Find Deal
Tue, Dec 10 - Mon, Dec 16
10:55 am - 3:01 pmORD-EYW
3h 06mnonstop
4:05 pm - 6:26 pmEYW-ORD
3h 21mnonstop
$519United Airlines
Find Deal
Fri, Dec 6 - Fri, Dec 13
10:55 am - 3:01 pmORD-EYW
3h 06mnonstop
10:55 am - 4:38 pmEYW-ORD
6h 43m1 stop
$564United Airlines
Find Deal
Tue, Dec 10 - Sun, Dec 15
10:55 am - 3:01 pmORD-EYW
3h 06mnonstop
4:05 pm - 6:26 pmEYW-ORD
3h 21mnonstop
$568United Airlines
Find Deal
Sat, Dec 7 - Wed, Dec 11
11:02 am - 3:13 pmORD-EYW
3h 11mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$249United Airlines
Find Deal
Thu, Jan 2 - Thu, Jan 9
10:35 am - 2:49 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$310United Airlines
Find Deal
Tue, Feb 4 - Sat, Feb 8
8:10 am - 12:34 pmORD-EYW
3h 24mnonstop
1:06 pm - 3:37 pmEYW-ORD
3h 31mnonstop
$314American Airlines
Find Deal
Sat, Jan 11 - Thu, Jan 16
10:35 am - 2:49 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$316United Airlines
Find Deal
Fri, Jan 31 - Mon, Feb 3
10:59 am - 3:11 pmORD-EYW
3h 12mnonstop
3:59 pm - 6:40 pmEYW-ORD
3h 41mnonstop
$329United Airlines
Find Deal
Tue, Mar 4 - Tue, Mar 11
7:10 am - 11:30 amORD-EYW
3h 20mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$330United Airlines
Find Deal
Thu, Jan 2 - Thu, Jan 9
10:55 am - 3:01 pmORD-EYW
3h 06mnonstop
4:19 pm - 6:50 pmEYW-ORD
3h 31mnonstop
$334United Airlines
Find Deal
Mon, Dec 16 - Sat, Dec 21
10:59 am - 3:11 pmORD-EYW
3h 12mnonstop
4:07 pm - 6:49 pmEYW-ORD
3h 42mnonstop
$337United Airlines
Find Deal
Sun, Feb 23 - Wed, Feb 26
8:15 am - 12:52 pmORD-EYW
3h 37mnonstop
1:06 pm - 3:37 pmEYW-ORD
3h 31mnonstop
$339American Airlines
Find Deal
Wed, Jan 1 - Wed, Jan 8
7:10 am - 11:30 amORD-EYW
3h 20mnonstop
12:26 pm - 2:55 pmEYW-ORD
3h 29mnonstop
$349United Airlines
Find Deal
Tue, Dec 24 - Thu, Dec 26

American Airlines flights from Chicago to Key West

Our best American Airlines deals on Chicago to Key West flight tickets
American Airlines
Jan 1
ORD8:15 amChicago O'Hare Intl
3h 37m
EYW12:52 pmKey West
Jan 8
EYW8:09 amKey West
7h 06m
1 stop
ORD2:15 pmChicago O'Hare Intl
American Airlines
Jan 11
ORD10:28 amChicago O'Hare Intl
7h 39m
1 stop
EYW7:07 pmKey West
Jan 16
EYW1:06 pmKey West
3h 31m
ORD3:37 pmChicago O'Hare Intl
American Airlines
Jan 2
ORD8:05 amChicago O'Hare Intl
6h 25m
1 stop
EYW3:30 pmKey West
Jan 9
EYW1:06 pmKey West
3h 31m
ORD3:37 pmChicago O'Hare Intl

United Airlines flights from Chicago to Key West

Our best United Airlines deals on Chicago to Key West flight tickets
United Airlines
Jan 25
ORD7:35 amChicago O'Hare Intl
7h 26m
1 stop
EYW4:01 pmKey West
Jan 29
EYW3:50 pmKey West
3h 31m
ORD6:21 pmChicago O'Hare Intl
United Airlines
Jan 25
ORD7:35 amChicago O'Hare Intl
7h 26m
1 stop
EYW4:01 pmKey West
Jan 29
EYW1:50 pmKey West
7h 35m
1 stop
ORD8:25 pmChicago O'Hare Intl
United Airlines
Jan 1
ORD7:10 amChicago O'Hare Intl
3h 20m
EYW11:30 amKey West
Jan 9
EYW3:50 pmKey West
3h 31m
ORD6:21 pmChicago O'Hare Intl

See travel insights to Key West from

How to get the cheapest flight ticket from Chicago to Key West

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 typical price of a round-trip flight between Chicago and Key West?

What is the cheapest month to fly to Key West?

In general, August is the cheapest month to fly from Chicago to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $358. If you are unable to visit Key West during the month of August, then departing from Chicago during the month September is also very affordable. Most momondo users find prices during this month for around $378.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Chicago is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $392. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Key West for around $524.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Chicago to Key West at noon for as low as $338. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the evening, with an average ticket price of $563. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago to Key West flight route?

Fly from Chicago O'Hare Intl to Key West for the best Chicago - Key West flight prices

How far in advance should I book a flight to Key West?

Most flyers found that booking tickets 20 days in advance of their planned departure date is the best time to get cheap flights to Key West. During this timeframe, flight prices are around $449. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Chicago for as low as $267 on momondo.

What cabin class options are available on Chicago to Key West flights?

There are 4 cabin classes available to choose from on Chicago to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Key West flights?

You could potentially save up to 28% on your flight if you consider stops on a Chicago to Key West flight.

How have Chicago to Key West flight prices changed over time?

As of December 2024, prices for Chicago to Key West flights are approximately 60% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Key West (CHI to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Key West

Best Price Found

$149

Fastest flight time

3h 06m

Direct flights

Every day

Airports in Key West

1 airport
The best one-way flight to Key West from Chicago in the past 72 hours is $149. The best round-trip flight deal from Chicago to Key West found on momondo in the last 72 hours is $163.
The fastest flight from Chicago to Key West takes 3h 06m
Direct flights go from Chicago to Key West every day.
There is 1 airport near Key West: Key West (EYW)

  • How far is Chicago to Key West by plane?

    The distance between Chicago and Key West is about 1241.6 mi. 3h 06m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Key West Airport?

    Prices for flights from Chicago to Key West Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Key West Airport?

  • How old do you have to be to fly from Chicago to Key West 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 Chicago to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Key West?

  • What is the most popular airline from Chicago to Key West?


Best airlines flying from Chicago to Key West

Compare and see reviews for airlines that fly from Chicago to Key West with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $216Free CancellationRating
8.0
8,682 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
9,134 reviews
Search United Airlines flights
  • United Airlines Flights From Chicago to Key West

    United Airlines flight deals from Chicago to Key West start from $264 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $479 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Chicago to Key West

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Chicago to Key West about 3 times each week, with ticket deals ranging from $246 to $470. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Key West?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Key West. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Key West with flexible booking policies on momondo?

momondo does allow users to show only those flights to Key West from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Key West?

momondo provides multiple filters to help you find the best flight to Key West from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Key West right now. Can momondo alert me if prices change?

Price alerts on flights to Key West from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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