Mexico City

$222+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Mexico City Benito Juarez are usually found in September or November, booked 61 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$474
(Frontier)

One-way from

$222
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$536

Good round-trip deal

$485 or less

Good one-way deal

$253 or less
From Washington, D.C. Dulles Intl to Mexico City Benito Juarez
One-way flight from Washington, D.C. Dulles Intl to Mexico City Benito Juarez
Highest demand for flights based on searches. 7% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Mexico City Benito Juarez.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Mexico City Benito Juarez.

Find 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 September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/9. 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.
Wed 9/249:15 amIAD - MEX
2 stops14h 45mFrontier
Sat 9/278:10 amMEX - IAD
2 stops23h 07mFrontier
Deal found 9/9$476
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/2910:17 amIAD - MEX
1 stop14h 38mMultiple Airlines
Tue 10/2812:40 amMEX - IAD
2 stops17h 40mMultiple Airlines
Deal found 9/10$477
This Frontier deal was found by Cheapflights users on 9/10. 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.
Sat 10/117:15 amIAD - MEX
2 stops16h 45mFrontier
Fri 10/246:30 pmMEX - IAD
2 stops18h 47mFrontier
Deal found 9/10$478
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:26 pmIAD - MEX
Nonstop5h 09mAeromexico
Sun 11/28:40 amMEX - IAD
Nonstop4h 22mAeromexico
Deal found 9/11$479
This Frontier deal was found by Cheapflights users on 9/9. 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 10/275:00 pmIAD - MEX
2 stops19h 45mFrontier
Sat 11/87:00 amMEX - IAD
2 stops15h 55mFrontier
Deal found 9/9$480
This Frontier deal was found by Cheapflights users on 9/9. 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.
Fri 10/246:15 amIAD - MEX
2 stops17h 45mFrontier
Thu 11/137:00 amMEX - IAD
2 stops16h 11mFrontier
Deal found 9/9$481
This Frontier deal was found by Cheapflights users on 9/10. 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 10/219:00 amIAD - MEX
2 stops15h 00mFrontier
Mon 10/277:00 amMEX - IAD
2 stops14h 22mFrontier
Deal found 9/10$482
This Frontier deal was found by Cheapflights users on 9/11. 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.
Wed 10/159:00 amIAD - MEX
2 stops15h 00mFrontier
Sun 10/2610:05 amMEX - IAD
2 stops21h 04mFrontier
Deal found 9/11$483
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/187:15 amIAD - MEX
2 stops14h 20mMultiple Airlines
Sat 10/2511:05 amMEX - IAD
1 stop7h 48mMultiple Airlines
Deal found 9/9$484
This Frontier deal was found by Cheapflights users on 9/10. 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.
Wed 9/179:15 amIAD - MEX
2 stops14h 45mFrontier
Fri 9/197:55 amMEX - IAD
2 stops14h 20mFrontier
Deal found 9/10$485
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:01 pmIAD - MEX
Nonstop5h 09mDelta
Sat 12/138:40 amMEX - IAD
Nonstop4h 22mDelta
Deal found 9/11$486
This Avianca deal was found by Cheapflights users on 9/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:45 amIAD - MEX
2 stops11h 40mAvianca
Wed 10/112:40 amMEX - IAD
1 stop11h 20mAvianca
Deal found 9/10$487

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 September 11, 2025.
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

Dulles Intl

Fly to

Mexico City

Route

Depart

Return

Price

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 1/7

12:30 pm-10:00 pm

1 stop10h 30m

Mexico City Benito Juarez

Tue 1/20

8:30 am-1:49 pm

Nonstop4h 19m

$490

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 11/12

8:30 am-4:45 pm

1 stop9h 15m

Mexico City Benito Juarez

Wed 11/19

9:40 am-2:50 pm

Nonstop4h 10m

$490

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 11/8

12:09 pm-7:20 pm

1 stop8h 11m

Mexico City Benito Juarez

Sat 11/15

8:40 am-2:02 pm

Nonstop4h 22m

$490

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 11/19

12:11 pm-7:20 pm

1 stop8h 09m

Mexico City Benito Juarez

Fri 2/27

8:30 am-1:49 pm

Nonstop4h 19m

$490

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Tue 12/2

10:08 am-8:30 pm

2 stops11h 22m

Mexico City Benito Juarez

Tue 12/16

8:40 am-2:02 pm

Nonstop4h 22m

$495

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 1/7

12:30 pm-10:00 pm

1 stop10h 30m

Mexico City Benito Juarez

Wed 1/21

2:10 pm-11:17 pm

1 stop8h 07m

$500

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 12/3

10:08 am-9:25 pm

2 stops12h 17m

Mexico City Benito Juarez

Thu 12/11

7:00 am-6:24 pm

2 stops10h 24m

$505

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 10/11

12:09 pm-10:20 pm

1 stop12h 11m

Mexico City Benito Juarez

Sat 10/18

8:35 am-3:10 pm

Nonstop4h 35m

$520

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 11/20

4:01 pm-8:10 pm

Nonstop5h 09m

Mexico City Benito Juarez

Mon 12/1

8:40 am-2:02 pm

Nonstop4h 22m

$521

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Tue 11/18

4:01 pm-8:10 pm

Nonstop5h 09m

Mexico City Benito Juarez

Fri 11/21

8:40 am-2:02 pm

Nonstop4h 22m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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The best insider tips for Washington, D.C. Dulles Intl Airport to Mexico City flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Mexico City trip
Airports
IAD

Afternoon and evening check-in areas at IAD can be crowded, so plan extra time for security and boarding.

Read more about IADby Ramsey Qubein
MEX

For a quick trip to downtown, Uber is more reliable and cheaper than taxis from MEX.

Read more about MEXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MEX

Brandon Schultz

Brandon Schultz

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

Ramsey Qubein

Ramsey Qubein

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Mexico City. Price data was last updated on August 29, 2025.

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 61 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico City (average of $387). Flying from Washington, D.C. Dulles Intl Airport to Mexico City in December is currently the most expensive (average of $615). 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 September 11, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Mexico City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight at noon.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Delta, Aeromexico, and United Airlines 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.
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 3 inbound flights from Washington, D.C. Dulles Intl per day. 6 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 9h 15m. Delta provides one of the quickest options available for as low as $490. There are 1865 mi between Washington, D.C. Dulles Intl Airport and Mexico City. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Avianca. Our recent data shows that you can find tickets from as low as $118 on this airline. Additional options worth looking into are Aeromexico and American Airlines, starting at $339 and $345 round-trip. Avianca is 79% 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?

    $244 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and Aeromexico, with prices starting from $245 and $251, 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 United Airlines (68%), Delta (63%) or Aeromexico (63%) 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 $163. While the most popular route (Washington, D.C. Dulles Intl - Mexico City Benito Juarez) can be booked for $395 on average, our data indicates $568 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico City (average of $387). Flying from Washington, D.C. Dulles Intl Airport to Mexico City in December is currently the most expensive (average of $615). 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

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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.

Top 6 airlines flying from Dulles Intl to Mexico City

Discover the top 6 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$118Average$419FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$339Average$557FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$345Average$574FlexibilityNo cancel feeOn-time71%
DeltaCheapest$381Average$582FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$446Average$668FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$488Average$543FlexibilityNo cancel feeOn-time67%

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