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Mexico City

$186+ Cheap flights from Dulles Intl (IAD) to Mexico City (MEX)

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Find cheap flights from Dulles Intl to Mexico City 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 Washington, D.C. Dulles Intl to Mexico City Benito Juarez are usually found in February or January, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Dulles Intl to Mexico City

Cheapest flights from Dulles Intl to Mexico City
Explore the most affordable flight options available from Dulles Intl to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This FlightHub deal was found by Cheapflights users on 7/21. 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.
Mon 8/177:48 am
IAD
-
MEX
2 stops40h 27m
Frontier
Thu 8/277:00 am
MEX
-
IAD
1 stop9h 29m
Frontier
Deal found 7/21$438
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:13 am
IAD
-
MEX
1 stop14h 32m
Multiple Airlines
Tue 9/17:00 am
MEX
-
IAD
1 stop9h 29m
Multiple Airlines
Deal found 7/21$440
This CheapOair deal was found by Cheapflights users on 7/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 am
IAD
-
MEX
2 stops18h 25m
Frontier
Thu 9/177:00 am
MEX
-
IAD
1 stop27h 40m
Frontier
Deal found 7/21$441
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:20 am
IAD
-
MEX
2 stops41h 55m
Multiple Airlines
Mon 8/3111:00 am
MEX
-
IAD
1 stop19h 04m
Multiple Airlines
Deal found 7/24$442
This Frontier deal was found by Cheapflights users on 7/21. 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.
Thu 8/206:20 am
IAD
-
MEX
2 stops17h 55m
Frontier
Wed 8/2611:05 am
MEX
-
IAD
1 stop27h 02m
Frontier
Deal found 7/21$443
This Frontier deal was found by Cheapflights users on 7/21. 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.
Thu 9/241:35 pm
IAD
-
MEX
1 stop11h 10m
Frontier
Thu 10/227:00 am
MEX
-
IAD
2 stops15h 28m
Frontier
Deal found 7/21$444
This FlightHub deal was found by Cheapflights users on 7/21. 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.
Thu 8/206:20 am
IAD
-
MEX
2 stops17h 55m
Frontier
Mon 8/247:00 am
MEX
-
IAD
1 stop9h 29m
Frontier
Deal found 7/21$445
This Justfly.com deal was found by Cheapflights users on 7/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:39 pm
IAD
-
MEX
2 stops27h 36m
Frontier
Wed 8/2611:05 am
MEX
-
IAD
1 stop27h 02m
Frontier
Deal found 7/22$446
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am
IAD
-
MEX
2 stops13h 01m
Multiple Airlines
Tue 8/257:00 am
MEX
-
IAD
1 stop9h 29m
Multiple Airlines
Deal found 7/22$448
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:59 am
IAD
-
MEX
2 stops13h 01m
Multiple Airlines
Sat 8/297:00 am
MEX
-
IAD
1 stop9h 29m
Multiple Airlines
Deal found 7/22$449
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:59 am
IAD
-
MEX
2 stops13h 01m
Multiple Airlines
Tue 8/2512:30 am
MEX
-
IAD
1 stop12h 40m
Multiple Airlines
Deal found 7/23$450

Find flight deals from Dulles Intl to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$438
(FlightHub)

One-way from

$186
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$654

Good round-trip deal

$626 or less

Good one-way deal

$283 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Mexico City Benito Juarez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Mexico City Benito Juarez flights.
Search Deals
From Washington, D.C. Dulles Intl to Mexico City Benito Juarez
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Mexico City Benito Juarez
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 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 Washington, D.C. Dulles Intl to Mexico City Benito Juarez.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Mexico City Benito Juarez.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 July 25, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Mexico City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 9/26

4:53 pm-7:45 pm

Nonstop4h 52m

Mexico City Benito Juarez

Wed 9/30

8:40 am-3:19 pm

Nonstop4h 39m

$539

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 8/29

4:53 pm-7:45 pm

Nonstop4h 52m

Mexico City Benito Juarez

Mon 8/31

8:40 am-3:19 pm

Nonstop4h 39m

$539

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Mon 8/24

4:53 pm-7:45 pm

Nonstop4h 52m

Mexico City Benito Juarez

Mon 8/31

8:40 am-3:19 pm

Nonstop4h 39m

$539
Quickest round-trip

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 10/22

4:53 pm-7:45 pm

Nonstop4h 52m

Mexico City Benito Juarez

Mon 10/26

8:25 am-2:45 pm

Nonstop4h 20m

$539

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 9/10

4:53 pm-7:45 pm

Nonstop4h 52m

Mexico City Benito Juarez

Mon 9/21

8:40 am-3:19 pm

Nonstop4h 39m

$539

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 9/30

4:53 pm-7:45 pm

Nonstop4h 52m

Mexico City Benito Juarez

Mon 10/5

8:40 am-3:19 pm

Nonstop4h 39m

$539

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 10/17

4:53 pm-7:45 pm

Nonstop4h 52m

Mexico City Benito Juarez

Sun 10/25

8:40 am-3:17 pm

Nonstop4h 37m

$539

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Tue 10/20

12:30 pm-7:35 pm

1 stop9h 05m

Mexico City Benito Juarez

Sun 10/25

8:40 am-3:17 pm

Nonstop4h 37m

$543

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 9/17

10:15 am-7:15 pm

1 stop11h 00m

Mexico City Benito Juarez

Sat 9/26

8:40 am-3:19 pm

Nonstop4h 39m

$543
Cheapest one-way
Quickest one-way

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Mon 8/17

4:53 pm-7:45 pm

Nonstop4h 52m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Mexico City

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 Dulles Intl to Mexico City in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust 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 Washington, D.C. Dulles Intl Airport-Mexico City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Mexico City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Mexico City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Mexico City 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 Washington, D.C. Dulles Intl Airport-Mexico City 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 Dulles Intl to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Mexico City

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Mexico City, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico City (average of $562). Flying from Washington, D.C. Dulles Intl Airport to Mexico City in December is currently the most expensive (average of $718). 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 IAD to MEX?

Find hourly flight availability from Dulles Intl to Mexico City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Mexico City as you normally would.

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Mexico City flights typically cost between $582 and $736 in August.
The cheapest round-trip price found within the last 5 days was $438 on Frontier (Aug 17-Aug 27).

The best insider tips for Washington, D.C. Dulles Intl Airport to Mexico City 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 Washington, D.C. Dulles Intl Airport to Mexico City 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 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 July 25, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAeromexico from Washington, D.C. Dulles Intl Airport 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.
Delta
7.8
Good
8,487 reviews

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,487 reviews
Delta
7.8
Good
8,487 reviews

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,034 reviews
Delta
7.8
Good
8,487 reviews

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Aeromexico
7.4
Good
1,472 reviews
Delta
7.8
Good
8,487 reviews

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,847 reviews
Delta
7.8
Good
8,487 reviews

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Mexico City. 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 into for flights to Mexico City from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Mexico City, you will be flying into Benito Juarez. Mexico City Benito Juarez (MEX) is just 5.5 mi from the center of the city. Benito Juarez is the only Mexico City airport and it handles 4 inbound flights from Washington, D.C. Dulles Intl per day. 4 airlines have flights to Mexico City Benito Juarez from Washington, D.C. Dulles Intl on a regular basis.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Mexico City can take about 4h 52m. Delta provides one of the quickest options available for as low as $539. There are 1865 mi between Washington, D.C. Dulles Intl Airport and Mexico City. Most flights are nonstop.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Mexico City is Aeromexico. Our recent data shows that you can find tickets from as low as $305 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $371 and $474 round-trip. Aeromexico is 51% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $199 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Aeromexico and United Airlines, with prices starting from $240 and $250, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Mexico City consider choosing KLM (78%), Delta (78%) or United Airlines (78%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $265. While the most popular route (Washington, D.C. Dulles Intl - Mexico City Benito Juarez) can be booked for $405 on average, our data indicates $705 when flying from Washington, D.C. Dulles Intl Airport to Mexico City.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico City (average of $562). Flying from Washington, D.C. Dulles Intl Airport to Mexico City in December is currently the most expensive (average of $718). 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 Mexico City?

Book flights to Mexico City if you plan to visit one of these locations
Taxco

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Alternative routes for Dulles Intl to Mexico City

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

Top 4 airlines flying from Dulles Intl to Mexico City

Discover the top 4 airlines that operate flights from Dulles Intl to Mexico City. 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$305Average$586FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$371Average$621FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$474Average$667FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$551Average$768FlexibilityNo cancel feeOn-time71%

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