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$541+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MEX
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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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 julio 30, 2025.

Round-trip from

$541
(American Airlines)
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 julio 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
vie. 9/1211:25 amEYW - MEX
1 stop10h 50mAmerican Airlines
vie. 9/1910:55 amMEX - EYW
1 stop6h 04mAmerican Airlines
Deal found 7/29$541
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/304:00 pmEYW - MEX
2 stops27h 55mUnited Airlines
jue. 12/412:25 pmMEX - EYW
2 stops25h 44mUnited Airlines
Deal found 7/28$1,086
This WestJet deal was found by Cheapflights users on 7/29. 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.
vie. 9/126:10 pmEYW - MEX
2 stops22h 45mWestJet
jue. 9/1812:10 amMEX - EYW
2 stops41h 57mWestJet
Deal found 7/29$1,191

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 julio 30, 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

vie. 9/12

11:25 am-8:15 pm

1 stop10h 50m

Mexico City Benito Juarez

vie. 9/19

10:55 am-6:59 pm

1 stop6h 04m

$541

Key WestMexico City

EYW - MEX

EYWMEX

Key West

dom. 11/30

4:00 pm-6:55 pm

2 stops27h 55m

Mexico City Benito Juarez

jue. 12/4

12:25 pm-3:09 pm

2 stops25h 44m

$1,086

Key WestMexico City

EYW - MEX

EYWMEX

Key West

vie. 9/12

6:10 pm-2:55 pm

2 stops22h 45m

Mexico City Benito Juarez

jue. 9/18

12:10 am-8:07 pm

2 stops41h 57m

$1,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Reviews of airlines servicing Mexico City

Get insights into the airlines that provide service to Mexico City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico City. Reviews last updated julio 30, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and WestJet from Key West to Mexico City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,975 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $388). 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.

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