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Cheap flights from Chicago to Key West from $100

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 1/19. 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.
8:10 am - 12:34 pmORD-EYW
3h 24mnonstop
1:01 pm - 3:29 pmEYW-ORD
3h 28mnonstop
$225American Airlines
Find Deal
Mon, Feb 10 - Wed, Feb 19
7:25 am - 4:09 pmORD-EYW
7h 44m1 stop
12:25 pm - 8:25 pmEYW-ORD
9h 00m1 stop
$243United Airlines
Find Deal
Wed, Jan 1 - Wed, Jan 8
10:36 am - 2:50 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$249United Airlines
Find Deal
Sun, Jan 26 - Tue, Feb 4
6:00 am - 2:08 pmMDW-EYW
7h 08m1 stop
6:14 pm - 10:20 pmEYW-MDW
5h 06m1 stop
$252Delta
Find Deal
Mon, Feb 10 - Wed, Feb 19
10:09 am - 4:37 pmORD-EYW
5h 28m1 stop
1:01 pm - 3:29 pmEYW-ORD
3h 28mnonstop
$255American Airlines
Find Deal
Mon, Feb 10 - Wed, Feb 19
7:35 am - 4:01 pmORD-EYW
7h 26m1 stop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$259United Airlines
Find Deal
Sun, Jan 26 - Tue, Feb 4
7:00 am - 4:45 pmORD-EYW
8h 45m1 stop
10:52 am - 8:49 pmEYW-ORD
10h 57m1 stop
Wed, Jan 1 - Wed, Jan 8
3:56 pm - 9:33 amORD-EYW
16h 37m2 stops
9:03 am - 5:20 pmEYW-ORD
9h 17m1 stop
Thu, Jan 23 - Thu, Jan 30
12:44 pm - 8:11 pmMDW-EYW
6h 27m1 stop
6:16 pm - 10:20 pmEYW-MDW
5h 04m1 stop
$268Delta
Find Deal
Tue, Feb 4 - Sat, Feb 8
5:45 am - 11:38 amORD-EYW
4h 53m1 stop
6:16 pm - 11:49 pmEYW-ORD
6h 33m1 stop
$268Delta
Find Deal
Tue, Jan 28 - Wed, Feb 5
8:50 am - 1:16 pmORD-EYW
3h 26mnonstop
$100American Airlines
Find Deal
Sun, Jan 19
5:45 am - 11:27 amORD-EYW
4h 42m1 stop
$118Delta
Find Deal
Sun, Jan 19
10:59 am - 3:11 pmORD-EYW
3h 12mnonstop
$140United Airlines
Find Deal
Tue, Feb 18
7:35 am - 4:01 pmORD-EYW
7h 26m1 stop
$149United Airlines
Find Deal
Sat, Jan 18
10:40 am - 6:46 pmORD-EYW
7h 06m1 stop
$159American Airlines
Find Deal
Sat, Feb 22
5:08 am - 5:15 pmORD-EYW
11h 07m1 stop
Mon, Feb 17
5:10 am - 12:17 pmORD-EYW
6h 07m1 stop
$199American Airlines
Find Deal
Tue, Jan 21
8:45 am - 6:55 pmORD-EYW
9h 10m1 stop
$202United Airlines
Find Deal
Wed, Jan 15
6:00 am - 11:38 amMDW-EYW
4h 38m1 stop
$209Delta
Find Deal
Mon, Jan 6
8:20 am - 11:57 amORD-EYW
26h 37m3 stops
$1,064Alaska Airlines
Find Deal
Thu, Jan 2
11:02 am - 3:13 pmORD-EYW
3h 11mnonstop
4:19 pm - 6:50 pmEYW-ORD
3h 31mnonstop
$369United Airlines
Find Deal
Mon, Dec 23 - Tue, Dec 31
11:02 am - 3:13 pmORD-EYW
3h 11mnonstop
4:50 pm - 10:56 pmEYW-ORD
7h 06m1 stop
$378United Airlines
Find Deal
Mon, Dec 23 - Tue, Dec 31
8:05 am - 5:11 pmORD-EYW
8h 06m1 stop
11:40 am - 4:17 pmEYW-ORD
5h 37m1 stop
$413American Airlines
Find Deal
Mon, Dec 23 - Wed, Jan 8
6:10 am - 1:15 pmORD-EYW
6h 05m1 stop
4:19 pm - 6:50 pmEYW-ORD
3h 31mnonstop
$439United Airlines
Find Deal
Mon, Dec 23 - Tue, Dec 31
8:05 am - 3:30 pmORD-EYW
6h 25m1 stop
1:07 pm - 3:38 pmEYW-ORD
3h 31mnonstop
$449American Airlines
Find Deal
Fri, Dec 20 - Fri, Dec 27
6:00 am - 4:21 pmORD-EYW
9h 21m1 stop
12:55 pm - 6:09 pmEYW-ORD
6h 14m1 stop
$458American Airlines
Find Deal
Fri, Dec 20 - Sat, Dec 28
7:53 pm - 9:33 amORD-EYW
12h 40m1 stop
5:56 pm - 10:07 amEYW-ORD
17h 11m2 stops
Thu, Dec 19 - Thu, Dec 26
7:53 pm - 9:33 amORD-EYW
12h 40m1 stop
5:56 pm - 11:04 amEYW-ORD
18h 08m2 stops
Thu, Dec 19 - Sun, Dec 22
12:10 pm - 8:52 pmMDW-EYW
7h 42m1 stop
6:16 pm - 10:20 pmEYW-MDW
5h 04m1 stop
$778Delta
Find Deal
Thu, Dec 19 - Wed, Jan 8
6:00 am - 12:07 pmMDW-EYW
5h 07m1 stop
3:50 pm - 10:06 pmEYW-MDW
7h 16m1 stop
$957Delta
Find Deal
Mon, Dec 23 - Tue, Dec 24
8:10 am - 12:34 pmORD-EYW
3h 24mnonstop
1:01 pm - 3:29 pmEYW-ORD
3h 28mnonstop
$225American Airlines
Find Deal
Mon, Feb 10 - Wed, Feb 19
10:36 am - 2:50 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$249United Airlines
Find Deal
Sun, Jan 26 - Tue, Feb 4
10:35 am - 2:49 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$263United Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
7:10 am - 11:30 amORD-EYW
3h 20mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$269United Airlines
Find Deal
Thu, Jan 2 - Thu, Jan 9
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
8:10 am - 12:34 pmORD-EYW
3h 24mnonstop
2:19 pm - 4:50 pmEYW-ORD
3h 31mnonstop
$316American Airlines
Find Deal
Sun, Jan 12 - Sun, Jan 19
7:10 am - 11:30 amORD-EYW
3h 20mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$325United Airlines
Find Deal
Wed, Jan 1 - Wed, Jan 8
10:35 am - 2:49 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$329United Airlines
Find Deal
Tue, Jan 28 - Wed, Feb 5
10:35 am - 2:49 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$339United Airlines
Find Deal
Thu, Jan 23 - Thu, Jan 30
10:35 am - 2:49 pmORD-EYW
3h 14mnonstop
3:50 pm - 6:21 pmEYW-ORD
3h 31mnonstop
$349United Airlines
Find Deal
Tue, Jan 7 - Tue, Jan 14

American Airlines flights from Chicago to Key West

Our best American Airlines deals on Chicago to Key West flight tickets
American Airlines
Feb 10
ORD8:10 amChicago O'Hare Intl
3h 24m
EYW12:34 pmKey West
Feb 19
EYW1:01 pmKey West
3h 28m
ORD3:29 pmChicago O'Hare Intl
American Airlines
Feb 10
ORD10:09 amChicago O'Hare Intl
5h 28m
1 stop
EYW4:37 pmKey West
Feb 19
EYW1:01 pmKey West
3h 28m
ORD3:29 pmChicago O'Hare Intl
American Airlines
Jan 28
ORD8:12 amChicago O'Hare Intl
6h 31m
1 stop
EYW3:43 pmKey West
Feb 5
EYW1:06 pmKey West
3h 31m
ORD3:37 pmChicago O'Hare Intl

Delta flights from Chicago to Key West

Our best Delta deals on Chicago to Key West flight tickets
Delta
Feb 10
MDW6:00 amChicago Midway
7h 08m
1 stop
EYW2:08 pmKey West
Feb 19
EYW6:14 pmKey West
5h 06m
1 stop
MDW10:20 pmChicago Midway
Delta
Jan 28
ORD5:45 amChicago O'Hare Intl
4h 53m
1 stop
EYW11:38 amKey West
Feb 5
EYW6:16 pmKey West
6h 33m
1 stop
ORD11:49 pmChicago O'Hare Intl
Delta
Jan 12
MDW10:57 amChicago Midway
5h 24m
1 stop
EYW5:21 pmKey West
Jan 18
EYW6:16 pmKey West
5h 04m
1 stop
MDW10:20 pmChicago Midway

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 $383.

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 $383. 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 $514.

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 $822. 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 59 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 $437. 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 $246 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 9% 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 32% 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

$100

Fastest flight time

3h 11m

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 $100. The best round-trip flight deal from Chicago to Key West found on momondo in the last 72 hours is $225.
The fastest flight from Chicago to Key West takes 3h 11m
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 11m 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
8,604 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $260Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
  • United Airlines Flights From Chicago to Key West

    United Airlines flight deals from Chicago to Key West start from $260 round-trip. Over the 3 United Airlines flights for this route in a normal week, average airfare is usually $475 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 $467. 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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