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Dulles Intl

$204+ Cheap flights from Mexico City (MEX) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — IAD
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Find cheap flights from Mexico City to Dulles Intl 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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Mexico City Benito Juarez to Washington, D.C. Dulles Intl are usually found in April or August, booked 84 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Mexico City to Dulles Intl

Cheapest flights from Mexico City to Dulles Intl
Explore the most affordable flight options available from Mexico City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MEX
-
IAD
2 stops13h 52m
Frontier
Tue 9/111:05 am
IAD
-
MEX
2 stops13h 40m
Frontier
Deal found 7/26$382
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
MEX
-
IAD
1 stop9h 29m
Frontier
Wed 9/97:50 am
IAD
-
MEX
2 stops16h 55m
Frontier
Deal found 7/26$385
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:50 am
MEX
-
IAD
2 stops14h 28m
Frontier
Tue 10/64:36 pm
IAD
-
MEX
1 stop8h 09m
Frontier
Deal found 7/27$386
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MEX
-
IAD
2 stops13h 52m
Frontier
Wed 8/268:59 am
IAD
-
MEX
1 stop14h 46m
Frontier
Deal found 7/25$388
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
MEX
-
IAD
1 stop26h 33m
Frontier
Tue 9/154:36 pm
IAD
-
MEX
1 stop8h 09m
Frontier
Deal found 7/26$393
This PocketFare deal was found by Cheapflights users on 7/24. 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 PocketFare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
MEX
-
IAD
1 stop27h 40m
Frontier
Wed 9/308:00 pm
IAD
-
MEX
1 stop25h 45m
Frontier
Deal found 7/24$401
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:40 am
MEX
-
IAD
2 stops23h 37m
Frontier
Wed 9/167:50 am
IAD
-
MEX
2 stops16h 55m
Frontier
Deal found 7/27$405
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MEX
-
IAD
1 stop9h 29m
Frontier
Wed 9/26:20 am
IAD
-
MEX
2 stops14h 25m
Frontier
Deal found 7/27$407

Find flight deals from Mexico City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Mexico City (MEX) to Dulles Intl (IAD). 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(Frontier)

One-way from

$204
(Priceline)

Popular in

July

Cheapest in

April

Average price

$702

Good round-trip deal

$547 or less

Good one-way deal

$443 or less
Provider with most accurate pricing for Mexico City Benito Juarez-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Washington, D.C. Dulles Intl flights.
Search Deals
From Mexico City Benito Juarez to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Mexico City Benito Juarez to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Mexico City Benito Juarez to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Mexico City Benito Juarez to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mexico City to Dulles Intl 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 July 28, 2026.
Use the filters below to find and compare flights from Mexico City to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Thu 9/10

8:40 am-3:19 pm

Nonstop4h 39m

Washington, D.C. Dulles Intl

Sun 9/13

6:10 am-12:40 pm

1 stop8h 30m

$496

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Tue 9/15

8:40 am-3:19 pm

Nonstop4h 39m

Washington, D.C. Dulles Intl

Tue 9/29

8:08 am-1:55 pm

1 stop7h 47m

$498

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Sun 10/11

8:40 am-3:20 pm

Nonstop4h 40m

Washington, D.C. Dulles Intl

Sun 10/18

4:53 pm-7:50 pm

Nonstop4h 57m

$498

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Thu 9/10

8:40 am-3:20 pm

Nonstop4h 40m

Washington, D.C. Dulles Intl

Thu 9/17

4:50 pm-7:45 pm

Nonstop4h 55m

$498

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Sun 9/13

8:40 am-3:19 pm

Nonstop4h 39m

Washington, D.C. Dulles Intl

Sun 9/27

6:10 am-12:40 pm

1 stop8h 30m

$498

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Fri 10/30

8:25 am-2:45 pm

Nonstop4h 20m

Washington, D.C. Dulles Intl

Sun 11/8

3:15 pm-7:50 pm

Nonstop5h 35m

$498

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Fri 8/28

8:40 am-3:19 pm

Nonstop4h 39m

Washington, D.C. Dulles Intl

Sun 9/6

4:50 pm-7:45 pm

Nonstop4h 55m

$498

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Fri 9/25

8:40 am-3:20 pm

Nonstop4h 40m

Washington, D.C. Dulles Intl

Sun 9/27

6:10 am-12:40 pm

1 stop8h 30m

$498
Quickest round-trip

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Thu 9/10

8:40 am-3:19 pm

Nonstop4h 39m

Washington, D.C. Dulles Intl

Tue 9/29

4:53 pm-7:45 pm

Nonstop4h 52m

$498
Cheapest one-way

Mexico CityWashington, D.C.

MEX - IAD

MEXIAD

Mexico City Benito Juarez

Thu 10/22

7:00 am-12:28 am

2 stops15h 28m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Mexico City to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Mexico City to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Mexico City-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mexico City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Mexico City-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Mexico City-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Mexico City-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Mexico City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Mexico City 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.

Cheapflights Insights

Everything you need to know about your flight from Mexico City to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Mexico City to Washington, D.C. Dulles Intl Airport?

The price you pay for your flight from Mexico City to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Mexico City to Washington, D.C. Dulles Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Mexico City to Washington, D.C. Dulles Intl Airport (average of $511). Flying from Mexico City to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $702). 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.

What is the cheapest time of day to fly from MEX to IAD?

Find hourly flight availability from Mexico City to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2026.

When flying from Mexico City to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Mexico City to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Mexico City to Washington, D.C. Dulles Intl Airport flights typically cost between $490 and $589 in August.
The cheapest round-trip price found within the last 5 days was $382 on Frontier (Aug 25-Sep 1).

The best insider tips for Mexico City to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Mexico City to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MEX

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated July 28, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAeromexico from Mexico City to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,483 reviews

Overall

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Elizabeth,Sep 2023

MEX - ATL

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Elizabeth,Sep 2023

MEX - ATL

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.
United Airlines
7.4
Good
10,048 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Elizabeth,Sep 2023

MEX - ATL

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.
Aeromexico
7.4
Good
1,469 reviews
Delta
7.8
Good
8,483 reviews

Overall

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Elizabeth,Sep 2023

MEX - ATL

Food was cheap and not healthful. Entertainment was poor choices. Flight was rocky but not pilots fault.

Related info for your journey

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

  • What airport do you fly from for flights from Mexico City to Washington, D.C. Dulles Intl?

    Mexico City Benito Juarez (MEX) is the airport you will fly out of if you book a flight from Mexico City to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Benito Juarez; the airport handles an average of 3 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Mexico City airport to Washington, D.C. Dulles Intl. It is only a 5.5 mi journey to Benito Juarez (MEX) from Mexico City’s city center.

  • How long is the flight from Mexico City to Washington, D.C. Dulles Intl Airport?

    A quick flight from Mexico City to Washington, D.C. Dulles Intl Airport can take about 4h 39m. Delta provides one of the quickest options available for as low as $496. Airlines will cover a distance of 1865 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Mexico City to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Aeromexico ($257), Delta ($430), and United Airlines ($436) offers the cheapest pricing from Mexico City to Washington, D.C. Dulles Intl Airport. Aeromexico is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Mexico City to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Aeromexico, with whom users have recently found tickets for as low as $257. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Mexico City to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most reliable airlines from Mexico City to Washington, D.C. Dulles Intl Airport?

    Consider Scandinavian Airlines (92%), Delta (90%) or Aeromexico (90%) when booking your flight. These represent the most reliable airlines when flying from Mexico City to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Mexico City to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Mexico City to Washington, D.C. Dulles Intl Airport is $227. On average you can expect to pay $592. The most popular route, (Mexico City Benito Juarez - Washington, D.C. Dulles Intl), can usually be booked for $459.

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

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

  • How can I find direct flights from Mexico City to Dulles Intl?

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

  • Can I find deals for business class flights from Mexico City to Dulles Intl?

    Yes. Cheapflights offers flight deals from Mexico City to Dulles Intl 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 Mexico City to Washington, D.C. Dulles Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Mexico City to Washington, D.C. Dulles Intl Airport (average of $511). Flying from Mexico City to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $702). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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Alternative routes for Mexico City to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Mexico City to Baltimore flights
Mexico City to Reagan-National flights

Top 3 airlines flying from Mexico City to Dulles Intl

Discover the top 3 airlines that operate flights from Mexico City to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$257Average$540FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$430Average$569FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$436Average$672FlexibilityNo cancel feeOn-time69%

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