S$386 Cheap Flights from Mexico City to Washington

View S$386 flight on Tue, 14 Oct, 2025Opens in a new window

Popular airlines from Benito Juarez International Airport (MEX) to Washington Dulles Intl. Airport (IAD)

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

Prices were available within the past 7 days and start at S$386 for one-way flights and S$646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 3 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$646 Return, found 4 days ago
S$646
Return
found 4 days ago
Select United flight, departing Wed, 3 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$646 found 4 days ago
United
Wed, 3 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$653 Return, found 4 days ago
S$653
Return
found 4 days ago
Select United flight, departing Wed, 3 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$653 found 4 days ago
United
Wed, 3 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$718 Return, found 4 days ago
S$718
Return
found 4 days ago
Select United flight, departing Wed, 3 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$718 found 4 days ago
United
Wed, 3 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$725 Return, found 4 days ago
S$725
Return
found 4 days ago
Select United flight, departing Wed, 3 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$725 found 4 days ago
United
Thu, 4 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$732 Return, found 4 days ago
S$732
Return
found 4 days ago
Select United flight, departing Thu, 4 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$732 found 4 days ago
Aeromexico
Thu, 4 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$772 Return, found 4 days ago
S$772
Return
found 4 days ago
Select Aeromexico flight, departing Thu, 4 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$772 found 4 days ago
Air Canada
Wed, 3 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$774 Return, found 4 days ago
S$774
Return
found 4 days ago
Select Air Canada flight, departing Wed, 3 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$774 found 4 days ago
Delta
Wed, 3 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$776 Return, found 4 days ago
S$776
Return
found 4 days ago
Select Delta flight, departing Wed, 3 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$776 found 4 days ago
Aeromexico
Thu, 4 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$779 Return, found 4 days ago
S$779
Return
found 4 days ago
Select Aeromexico flight, departing Thu, 4 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$779 found 4 days ago
American Airlines
Wed, 3 Sep - Wed, 10 Sep
MEX
Mexico City
IAD
Washington
S$799 Return, found 4 days ago
S$799
Return
found 4 days ago
Select American Airlines flight, departing Wed, 3 Sep from Mexico City to Washington, returning Wed, 10 Sep, priced at S$799 found 4 days ago

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

March is typically the cheapest month to fly

From S$473 - S$831 per traveller.

Graph displaying average flight prices per month

Mexico City to Washington route information
Origin airport
Mexico City Intl.
Destination airport
Washington Dulles Intl.
Return price
S$645
Distance
2986 km
Average flight time
6 hours 35 mins

Flights from Mexico City to Chantilly

There are several airlines that operate frequent flights from Mexico City (MEX) to Washington D.C. (IAD) including

The earliest flight leaves Mexico City Intl. Airport at 09:05 and arrives at Washington Dulles Intl. Airport at 00:00. The last flight of the day departs Mexico City at 18:25 and arrives at Washington D.C. at 23:54.

The flight distance from Mexico City to Washington D.C. is about 3018 km, the shortest flight is 04 hours 05 minutes with WestJet.

Expedia lets you search across the largest number of airlines and Chantilly flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Mexico City Chantilly flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Mexico City to Chantilly trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Chantilly flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Mexico City to Chantilly with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Mexico City Intl. Airport (MEX) to IAD?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from Benito Juárez Intl. Airport to IAD was S$646. Cheap fares don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Benito Juárez Intl. Airport to Washington Dulles Intl. Airport (IAD)?
We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Mexico City Intl. Airport (MEX) to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Mexico City Intl. Airport (MEX) to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Mexico Airport to Dulles Intl. Airport?
The flight distance from Mexico City to Chantilly is 3,000 kilometres. Bring a snack, a drink and a few good podcasts. Keep yourself busy in the air and the hours will fly by.
Which airlines fly direct from Mexico City Intl. Airport (MEX) to IAD?
A popular option with many travellers, United Airlines (UA) offers 30 monthly flights from MEX to Dulles Intl. Airport. Pick the one that fits with your travel plans and book your seat today.
Are Benito Juárez Intl. Airport to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Mexico Airport to IAD are available up to 12 months before departure on Expedia. And although you may occasionally pick up fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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