Cheap flights from Washington, D.C. to Mexico City from $140

The cheapest month to fly to Mexico City from Washington, D.C. is in July. Flight prices, which tend to average around $165, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of July, then book flights to Mexico City from Washington, D.C. during August instead. Flights to Mexico City in August, while not as cheap as those in July, still average around $195.

Our data shows that Tuesday is the least expensive day to fly to Mexico City. Tickets to fly out on this day can be as low as $583. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $665.

Fly from Washington, D.C. Dulles Intl to Mexico City Benito Juarez for the best Washington, D.C. - Mexico City Benito Juarez flight prices

You are more likely to see cheaper flights to Mexico City from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $608 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from Washington, D.C. for as low as $556 on momondo.

There are 3 cabin classes available to choose from on Washington, D.C. to Mexico City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 43% on your flight if you consider stops on a Washington, D.C. to Mexico City flight.

Frontier, Delta, and American Airlines are the most popular carriers operating from Washington, D.C. to Mexico City Benito Juarez

United Airlines, Delta and Aeromexico are the top three most popular airlines that fly to Mexico City from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Mexico City. Keep in mind that there are 4 different airlines that fly to Mexico City on a routine basis, so you have a few additional options to choose from.

Atlanta (ATL) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Flights via Dallas (DFW) offer the lowest average round-trip price of $424.

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 7h 03m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 22m.

4 flights are operational daily from Washington, D.C. to Mexico City as of June 2026. The most popular departure time for this route is 4:00PM, with 100% of flights per day taking off in the afternoon.

As of June 2026, there are 28 flights per week flying from Washington, D.C. to Mexico City. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.