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Cheap flights from Key West to Chicago O'Hare Intl Airport from $186

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 Chicago O'Hare Intl Airport departing on 4/11. 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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0 bags

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Find the cheapest flights from Key West to Chicago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Key West to Chicago.
United Airlines Logo
4:04 pm - 6:39 pmEYW-ORD
3h 35mnonstop
United Airlines Logo
10:59 am - 3:04 pmORD-EYW
3h 05mnonstop
$289United Airlines
Find Deal
Thu, Apr 17 - Mon, Apr 21
American Airlines Logo
12:59 pm - 5:40 pmEYW-ORD
5h 41m1 stop
American Airlines Logo
8:05 am - 12:22 pmORD-EYW
3h 17mnonstop
$299American Airlines
Find Deal
Thu, Apr 17 - Mon, Apr 21
American Airlines Logo
5:20 pm - 11:49 pmEYW-ORD
7h 29m1 stop
American Airlines Logo
12:00 pm - 6:45 pmORD-EYW
5h 45m1 stop
$309American Airlines
Find Deal
Thu, Apr 17 - Mon, Apr 21
American Airlines Logo
8:00 am - 2:15 pmEYW-ORD
7h 15m1 stop
American Airlines Logo
8:05 am - 12:22 pmORD-EYW
3h 17mnonstop
$330American Airlines
Find Deal
Fri, Apr 18 - Tue, Apr 22
United Airlines Logo
4:04 pm - 6:39 pmEYW-ORD
3h 35mnonstop
United Airlines Logo
10:59 am - 3:04 pmORD-EYW
3h 05mnonstop
$349United Airlines
Find Deal
Fri, Apr 18 - Tue, Apr 22
American Airlines Logo
7:29 pm - 11:56 pmEYW-ORD
5h 27m1 stop
American Airlines Logo
9:22 am - 4:11 pmORD-EYW
5h 49m1 stop
$352American Airlines
Find Deal
Mon, Jun 2 - Tue, Jun 17
United Airlines Logo
8:45 am - 2:33 pmEYW-ORD
30h 48m2 stops
United Airlines Logo
4:20 pm - 6:05 pmORD-EYW
24h 45m1 stop
$415United Airlines
Find Deal
Mon, Jun 2 - Tue, Jun 17
American Airlines Logo
12:49 pm - 3:28 pmEYW-ORD
3h 39mnonstop
American Airlines Logo
5:29 am - 12:06 pmORD-EYW
5h 37m1 stop
$416American Airlines
Find Deal
Mon, Jun 2 - Tue, Jun 17
United Airlines Logo
8:45 am - 9:39 amEYW-ORD
25h 54m1 stop
United Airlines Logo
7:00 am - 6:05 pmORD-EYW
10h 05m1 stop
$422United Airlines
Find Deal
Mon, Jun 2 - Mon, Jun 30
Delta Logo
7:00 am - 5:04 pmEYW-ORD
11h 04m2 stops
Delta Logo
8:45 am - 8:30 pmORD-EYW
10h 45m2 stops
$1,730Delta
Find Deal
Fri, Apr 18 - Tue, Apr 22

United Airlines flights from Key West to Chicago O'Hare Intl Airport

Our best United Airlines deals on Key West to Chicago O'Hare Intl Airport flight tickets
United Airlines
Apr 17
EYW4:04 pmKey West
3h 35m
ORD6:39 pmChicago O'Hare Intl
Apr 21
ORD10:59 amChicago O'Hare Intl
3h 05m
EYW3:04 pmKey West
United Airlines
Apr 18
EYW4:04 pmKey West
3h 35m
ORD6:39 pmChicago O'Hare Intl
Apr 22
ORD10:59 amChicago O'Hare Intl
3h 05m
EYW3:04 pmKey West
United Airlines
Jun 2
EYW8:45 amKey West
30h 48m
2 stops
ORD2:33 pmChicago O'Hare Intl
Jun 17
ORD4:20 pmChicago O'Hare Intl
24h 45m
1 stop
EYW6:05 pmKey West

American Airlines flights from Key West to Chicago O'Hare Intl Airport

Our best American Airlines deals on Key West to Chicago O'Hare Intl Airport flight tickets
American Airlines
Apr 16
EYW12:56 pmKey West
3h 37m
ORD3:33 pmChicago O'Hare Intl
Apr 20
ORD8:05 amChicago O'Hare Intl
3h 17m
EYW12:22 pmKey West
American Airlines
Apr 16
EYW12:56 pmKey West
3h 37m
ORD3:33 pmChicago O'Hare Intl
Apr 20
ORD8:15 amChicago O'Hare Intl
7h 01m
1 stop
EYW4:16 pmKey West
American Airlines
Apr 16
EYW11:39 amKey West
7h 37m
1 stop
ORD6:16 pmChicago O'Hare Intl
Apr 20
ORD10:28 amChicago O'Hare Intl
5h 12m
1 stop
EYW4:40 pmKey West

See travel insights to Chicago from

How to get the cheapest flight ticket from Key West to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of April is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Key West averaging around $240.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $329. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Key West because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $978.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Key West at noon is the least expensive time of day to depart. momondo users have found prices as low as $359 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $507. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Key West to Chicago O'Hare Intl flight route?

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

What cabin class options are available on Key West to Chicago O'Hare Intl flights?

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

How have Key West to Chicago O'Hare Intl Airport flight prices changed over time?

As of April 2025, prices for Key West to Chicago O'Hare Intl Airport flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Key West to Chicago O'Hare Intl Airport

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

Cheap Key West to Chicago O'Hare Intl Airport (EYW to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to Chicago O'Hare Intl Airport

Best Price Found

$186

Fastest flight time

3h 26m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Chicago O'Hare Intl Airport from Key West in the past 72 hours is $186. The best round-trip flight deal from Key West to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $289.
The fastest flight from Key West to Chicago O'Hare Intl Airport takes 3h 26m
Direct flights go from Key West to Chicago O'Hare Intl Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and American Airlines.

  • How far is Key West to Chicago O'Hare Intl by plane?

    Chicago O'Hare Intl is 1252.7 mi away from Key West. Typically, this will take 3h 35m by plane in normal conditions.

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

    Prices for flights from Key West Airport to Chicago O'Hare Intl Airport refresh daily.

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

  • How old do you have to be to fly from Key West Airport to Chicago O'Hare Intl Airport?

    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 Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport 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.

  • What is the most popular plane model from Key West to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Key West to Chicago O'Hare Intl Airport?


Best airlines flying from Key West to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Key West to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $224Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
American AirlinesPriceFrom $239Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • United Airlines Flights From Key West to Chicago O'Hare Intl Airport

    Across 7 United Airlines flights from Key West to Chicago O'Hare Intl Airport this week, the average price was $379, with the best United Airlines deals starting from $224 round-trip. 8,616 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • American Airlines Flights From Key West to Chicago O'Hare Intl Airport

    $239 is the best American Airlines flight deal from Key West to Chicago O'Hare Intl Airport found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $388, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into Chicago O'Hare Intl Airport from Key West 1 time in an average week so prices can vary.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
Merrillville
Rosemont
Gurnee
Naperville
Kenosha
Joliet
South Haven
Oak Brook
Racine
Tinley Park
New Buffalo
South Holland
Hammond
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Aurora
Elk Grove Village
Orland Park

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Key West to Chicago for you.

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

Flights from Key West to Chicago 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 Chicago?

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 Chicago from Key West.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Key West and alert you when they change.


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Tue 4/8
Tue 4/15

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