$250 Cheap Flights from Washington (DCA) to Mexico City (MEX)

View $250 flight on Sat, Jan 3, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Benito Juarez International Airport (MEX)

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Cheap Flights from Washington to Mexico City (DCA-MEX)

Prices were available within the past 7 days and start at $250 for one-way flights and $500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 25 - Thu, Oct 2
DCA
Washington
MEX
Mexico City
$500 Roundtrip, just found
$500
Roundtrip
just found
Select American Airlines flight, departing Thu, Sep 25 from Washington to Mexico City, returning Thu, Oct 2, priced at $500 just found
Aeromexico
Thu, Sep 25 - Thu, Oct 2
DCA
Washington
MEX
Mexico City
$500 Roundtrip, just found
$500
Roundtrip
just found
Select Aeromexico flight, departing Thu, Sep 25 from Washington to Mexico City, returning Thu, Oct 2, priced at $500 just found
United
Wed, Oct 1 - Wed, Oct 15
DCA
Washington
MEX
Mexico City
$500 Roundtrip, found 1 hour ago
$500
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Oct 1 from Washington to Mexico City, returning Wed, Oct 15, priced at $500 found 1 hour ago
American Airlines
Fri, Oct 17 - Fri, Oct 31
DCA
Washington
MEX
Mexico City
$505 Roundtrip, found 16 hours ago
$505
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Fri, Oct 17 from Washington to Mexico City, returning Fri, Oct 31, priced at $505 found 16 hours ago
United
Wed, Oct 1 - Wed, Oct 15
DCA
Washington
MEX
Mexico City
$509 Roundtrip, found 1 hour ago
$509
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Oct 1 from Washington to Mexico City, returning Wed, Oct 15, priced at $509 found 1 hour ago
United
Thu, Sep 4 - Thu, Sep 18
DCA
Washington
MEX
Mexico City
$510 Roundtrip, found 3 days ago
$510
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Washington to Mexico City, returning Thu, Sep 18, priced at $510 found 3 days ago
American Airlines
Thu, Sep 18 - Fri, Oct 10
DCA
Washington
MEX
Mexico City
$512 Roundtrip, found 4 hours ago
$512
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Sep 18 from Washington to Mexico City, returning Fri, Oct 10, priced at $512 found 4 hours ago
United
Thu, Sep 11 - Thu, Sep 18
DCA
Washington
MEX
Mexico City
$513 Roundtrip, found 3 hours ago
$513
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Sep 11 from Washington to Mexico City, returning Thu, Sep 18, priced at $513 found 3 hours ago
Delta
Thu, Sep 25 - Thu, Oct 2
DCA
Washington
MEX
Mexico City
$535 Roundtrip, just found
$535
Roundtrip
just found
Select Delta flight, departing Thu, Sep 25 from Washington to Mexico City, returning Thu, Oct 2, priced at $535 just found
Air Canada
Tue, Sep 2 - Fri, Sep 5
DCA
Washington
MEX
Mexico City
$564 Roundtrip, just found
$564
Roundtrip
just found
Select Air Canada flight, departing Tue, Sep 2 from Washington to Mexico City, returning Fri, Sep 5, priced at $564 just found

Find the cheapest month to fly from Washington (DCA) to Mexico City (MEX)

February is typically the cheapest month to fly

From $337 - $627 per traveler.

Graph displaying average flight prices per month

Alternative airports near Mexico City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Mexico City Intl. MEX. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $565
MEX
Mexico City Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $565
Flights from Washington (DCA) to Mexico City (MEX)
Origin airport
Ronald Reagan Washington National
Destination airport
Mexico City Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$500
Distance
1878 mi

Washington to Mexico City Flights

The cheapest times to fly from Washington to Mexico City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Mexico City are during the month of September. You can find some of the cheapest flights from Washington to Mexico City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Mexico City

Sunday is one of the best days to book for cheap flights from Washington to Mexico City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Mexico City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Mexico City in 2025. You can also book with separate airlines for your outbound and return journeys, from $250 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Mexico City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Mexico City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX) cost?
Get a cheap one-way flight from $250 or cheap return flight from $500 from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX)?
The cheapest month to fly from DCA to MEX is September, when there's less demand. Off-peak season is typically when airlines offer lower prices between these airports.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX)?
Direct flights aren't available from Washington, DC (DCA-Ronald Reagan Washington National) to Mexico City Intl. Airport (MEX). However, you can find other airports offering nonstop flights. Begin your journey at Washington Dulles Intl. Airport (IAD) and fly straight to Mexico City without any detours.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to MEX flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX)?
There are no daily nonstop flights departing from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from DCA to MEX?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX)?
To reach Mexico City Intl. Airport (MEX) without delays, choose a flight that leaves Ronald Reagan Washington National Airport (DCA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX) last-minute?
Booking your flight from DCA to MEX just before your trip is typically more expensive. But if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a DCA to MEX flight and hotel package?
Compared with arranging hotels and flights separately, booking a DCA to MEX flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Mexico City Intl. Airport (MEX)?
If you booked your DCA to MEX flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.