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$114+ Cheap flights from Dulles Intl (IAD) to Mexico

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Dulles Intl to Mexico

Cheapest flights from Dulles Intl to Mexico
Explore the most affordable flight options available from Dulles Intl to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Aeromexico deal was found by Cheapflights users on 10/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:56 pmIAD - CUN
1 stop9h 37mAeromexico
Sat 11/86:00 amCUN - IAD
1 stop8h 02mAeromexico
Deal found 10/27$302
This Aeromexico deal was found by Cheapflights users on 10/29. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amIAD - CUN
2 stops18h 23mAeromexico
Sat 11/156:00 amCUN - IAD
1 stop8h 02mAeromexico
Deal found 10/29$306
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/135:45 amIAD - CUN
1 stop7h 53mMultiple Airlines
Sat 12/2010:12 amCUN - IAD
1 stop11h 18mMultiple Airlines
Deal found 10/29$313
This Aeromexico deal was found by Cheapflights users on 10/29. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:01 pmIAD - MTY
1 stop16h 48mAeromexico
Tue 11/258:45 pmMTY - IAD
1 stop16h 17mAeromexico
Deal found 10/29$313
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/158:36 pmIAD - CUN
1 stop12h 37mMultiple Airlines
Sat 11/229:12 pmCUN - IAD
1 stop12h 50mMultiple Airlines
Deal found 10/30$318
This Aeromexico deal was found by Cheapflights users on 10/30. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amIAD - MTY
1 stop7h 25mAeromexico
Mon 11/178:35 pmMTY - IAD
1 stop16h 27mAeromexico
Deal found 10/30$318
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/13:33 pmIAD - CUN
1 stop5h 47mDelta
Sat 11/812:05 pmCUN - IAD
2 stops11h 15mDelta
Deal found 10/28$321
This Aeromexico deal was found by Cheapflights users on 10/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amIAD - CUN
1 stop15h 20mAeromexico
Fri 11/79:54 pmCUN - IAD
1 stop16h 08mAeromexico
Deal found 10/27$328
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 12/316:05 amIAD - CUN
1 stop7h 35mMultiple Airlines
Wed 1/73:40 pmCUN - IAD
2 stops22h 58mMultiple Airlines
Deal found 10/28$329
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:24 amIAD - QRO
2 stops18h 19mAmerican Airlines
Sat 12/66:00 amQRO - IAD
2 stops17h 01mAmerican Airlines
Deal found 10/28$330
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/305:37 pmIAD - CUN
2 stops19h 54mMultiple Airlines
Thu 1/810:15 amCUN - IAD
1 stop28h 23mMultiple Airlines
Deal found 10/30$330
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:01 pmIAD - CUN
1 stop17h 35mAeromexico
Wed 11/126:00 amCUN - IAD
1 stop8h 02mAeromexico
Deal found 10/29$332

Cheap flight deals from Dulles Intl to Mexico

Keep the following information in mind while searching for Dulles Intl to Mexico flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$236
(American Airlines)

One-way from

$114
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$592

Good round-trip deal

$465 or less

Good one-way deal

$204 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Mexico City Benito Juarez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Mexico City Benito Juarez flights.
Search Deals
From Washington, D.C. Dulles Intl to Mexico
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Mexico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Mexico.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Mexico.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Mexico 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Mexico that are best for you.

Fly from

Dulles Intl

Fly to

Mexico

Route

Depart

Return

Price

Washington, D.C.Mérida

IAD - MID

IADMID

Washington, D.C. Dulles Intl

Thu 1/22

1:08 pm-1:36 pm

2 stops25h 28m

Mérida Rejon

Tue 1/27

2:26 pm-10:58 am

2 stops19h 32m

$243

Washington, D.C.Mérida

IAD - MID

IADMID

Washington, D.C. Dulles Intl

Thu 1/22

11:34 am-1:36 pm

2 stops27h 02m

Mérida Rejon

Mon 1/26

2:26 pm-10:58 am

2 stops19h 32m

$248

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Fri 1/23

7:01 am-11:56 pm

2 stops17h 55m

Santiago de Querétaro

Sat 1/31

6:39 am-4:31 pm

1 stop8h 52m

$251

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 11/12

10:05 am-5:06 pm

1 stop8h 01m

Monterrey Gen Mariano Escobedo

Mon 11/17

9:05 pm-2:02 pm

1 stop15h 57m

$318

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 11/3

4:01 pm-9:45 am

1 stop18h 44m

Monterrey Gen Mariano Escobedo

Mon 11/10

9:05 pm-2:02 pm

1 stop15h 57m

$318

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-12:18 pm

1 stop7h 18m

Monterrey Gen Mariano Escobedo

Mon 12/8

5:51 am-2:02 pm

1 stop7h 11m

$318

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Sun 11/9

8:09 pm-3:47 pm

2 stops20h 38m

Santiago de Querétaro

Sat 12/6

6:00 am-10:28 pm

1 stop15h 28m

$330

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 11/8

4:01 pm-8:45 am

1 stop17h 44m

Monterrey Gen Mariano Escobedo

Mon 11/10

10:08 pm-2:02 pm

1 stop14h 54m

$335

Washington, D.C.Guadalajara

IAD - GDL

IADGDL

Washington, D.C. Dulles Intl

Wed 11/12

6:00 am-11:59 pm

2 stops18h 59m

Guadalajara Miguel Hidal

Fri 11/14

5:46 am-2:12 pm

1 stop7h 26m

$346

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 12/6

8:05 pm-11:51 am

2 stops16h 46m

Monterrey Gen Mariano Escobedo

Wed 12/10

5:24 am-10:59 pm

1 stop16h 35m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Mexico

Have a flexible travel schedule? Discover the best time to fly to Mexico 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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico (average of $192). Flying from Washington, D.C. Dulles Intl Airport to Mexico in January is currently the most expensive (average of $356). 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 MX?

Find hourly flight availability from Dulles Intl to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Mexico in the morning. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Mexico?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Mexico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Mexico flight should consider departing on Friday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Mexico

Get insights into the airlines that provide service to Mexico. 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. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Aeromexico from Washington, D.C. Dulles Intl Airport to Mexico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aeromexico
7.4
Good
1,674 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,030 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,123 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

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

    Airlines like American Airlines, Aeromexico, and Delta fly from Washington, D.C. Dulles Intl Airport to Mexico in about 8h 01m. The time it takes to get you to your destination can typically vary by up to 17h 27m. The distance from Washington, D.C. Dulles Intl Airport to Mexico is about 1597 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $114. Delta flights start at $169 while deals on United Airlines start at $175 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Mexico?

    Most travelers choose Washington, D.C. Dulles Intl - Cancun, Washington, D.C. Dulles Intl - Mexico City Benito Juarez or Washington, D.C. Dulles Intl - Cozumel when deciding on the best route from Washington, D.C. Dulles Intl Airport to Mexico.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Mexico are United Airlines (97%), KLM (87%) and Delta (87%).

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Mexico? While on average our users pay $654, our data indicates the cheapest price to be $199. The most popular route (Washington, D.C. Dulles Intl - Cancun), is priced around $310.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Mexico 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?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico (average of $192). Flying from Washington, D.C. Dulles Intl Airport to Mexico in January is currently the most expensive (average of $356). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to San Francisco flights
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Baltimore to Midway flights
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Reagan-National to Tampa flights
Reagan-National to New Orleans flights
Dulles Intl to Austin flights

Top 9 airlines flying from Dulles Intl to Mexico

Discover the top 9 airlines that operate flights from Dulles Intl to Mexico. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$118Average$419FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$131Average$440FlexibilityNo cancel feeOn-time65%
AeromexicoCheapest$173Average$521FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$253Average$581FlexibilityNo cancel feeOn-timeN/A
Volaris El SalvadorCheapest$286Average$351FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$318Average$386FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$345Average$607FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$355Average$652FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$488Average$543FlexibilityNo cancel feeOn-time67%

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