HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Mexico City

$536+ Cheap flights from Key West (EYW) to Mexico City (MEX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MEX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key West to Mexico City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Key West to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Mexico City (MEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$536
(Aeromexico)
From Key West to Mexico City Benito Juarez
Search Deals

Find flight deals from Key West to Mexico City

Cheapest flights from Key West to Mexico City
Explore the most affordable flight options available from Key West to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:52 pmEYW - MEX
1 stop16h 13mAmerican Airlines
Sat 11/15:45 amMEX - EYW
1 stop11h 37mAmerican Airlines
Deal found 9/10$632
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:29 pmEYW - MEX
2 stops30h 31mMultiple Airlines
Thu 9/1811:05 amMEX - EYW
1 stop22h 47mMultiple Airlines
Deal found 9/10$653
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 amEYW - MEX
1 stop5h 20mAmerican Airlines
Thu 12/46:45 amMEX - EYW
1 stop11h 49mAmerican Airlines
Deal found 9/10$657
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:40 amEYW - MEX
2 stops11h 10mDelta
Sat 11/17:00 amMEX - EYW
2 stops11h 06mDelta
Deal found 9/10$717
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:25 amEYW - MEX
1 stop10h 50mAmerican Airlines
Thu 9/185:35 amMEX - EYW
1 stop11h 24mAmerican Airlines
Deal found 9/10$822
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:40 amEYW - MEX
2 stops12h 35mDelta
Thu 12/47:00 amMEX - EYW
2 stops12h 03mDelta
Deal found 9/11$1,162
This WestJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:00 amEYW - MEX
2 stops43h 58mWestJet
Wed 9/171:55 amMEX - EYW
2 stops16h 12mWestJet
Deal found 9/10$1,591
This WestJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:57 pmEYW - MEX
2 stops50h 48mWestJet
Fri 10/311:05 amMEX - EYW
2 stops39h 16mWestJet
Deal found 9/10$1,609

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to Mexico City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Key West to Mexico City that are best for you.

Fly from

Key West

Fly to

Mexico City

Route

Depart

Return

Price

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Tue 3/10

7:00 am-8:00 pm

2 stops15h 00m

Mexico City Benito Juarez

Wed 3/11

7:05 am-7:44 pm

1 stop10h 39m

$536

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Sat 10/25

11:22 am-8:15 pm

1 stop10h 53m

Mexico City Benito Juarez

Sat 11/1

6:50 am-9:56 pm

2 stops13h 06m

$637

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Sun 11/30

7:00 am-11:20 am

1 stop5h 20m

Mexico City Benito Juarez

Thu 12/4

6:45 am-7:34 pm

1 stop11h 49m

$657

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Sat 10/25

7:40 am-4:50 pm

2 stops11h 10m

Mexico City Benito Juarez

Sat 11/1

7:00 am-8:06 pm

2 stops11h 06m

$717

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Sun 11/30

7:40 am-7:15 pm

2 stops12h 35m

Mexico City Benito Juarez

Thu 12/4

7:00 am-8:03 pm

2 stops12h 03m

$1,162

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Key West to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from Key West with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Key West to Mexico City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Key West to Mexico City?

    A quick flight from Key West to Mexico City can take about 10h 53m. Aeromexico provides one of the quickest options available for as low as $637. There are 1162 mi between Key West and Mexico City. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Key West to Mexico City that include hotel bookings?

    Yes. In addition to deals on Key West to Mexico City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to Mexico City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Mexico City.

  • Can I find deals for business class flights from Key West to Mexico City?

    Yes. Cheapflights offers flight deals from Key West to Mexico City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key West to Mexico City?

    Currently, May is the cheapest month in which you can book a flight from Key West to Mexico City (average of $387). Flying from Key West to Mexico City in December is currently the most expensive (average of $615). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.