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Mexico

$136+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:05 amIAD - CUN
1 stop7h 35mFrontier
Wed 1/73:14 pmCUN - IAD
1 stop20h 14mFrontier
Deal found 12/1$328
This Mytrip deal was found by Cheapflights users on 12/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 amIAD - CUN
1 stop8h 03mFrontier
Sun 12/212:50 pmCUN - IAD
1 stop20h 48mFrontier
Deal found 12/1$330
This Travelocity deal was found by Cheapflights users on 12/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 amIAD - CUN
1 stop8h 03mFrontier
Sat 12/2010:07 amCUN - IAD
1 stop8h 09mFrontier
Deal found 12/2$338
This Frontier deal was found by Cheapflights users on 12/4. 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 12/316:05 amIAD - CUN
1 stop7h 35mFrontier
Thu 1/83:14 pmCUN - IAD
2 stops16h 41mFrontier
Deal found 12/4$339
This Air Canada deal was found by Cheapflights users on 12/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:45 amIAD - CUN
1 stop12h 55mAir Canada
Thu 12/1112:15 pmCUN - IAD
1 stop8h 44mAir Canada
Deal found 12/1$347
This Frontier deal was found by Cheapflights users on 12/2. 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 12/155:45 amIAD - CUN
1 stop8h 03mFrontier
Mon 12/2210:07 amCUN - IAD
1 stop8h 09mFrontier
Deal found 12/2$348
This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 amIAD - CUN
1 stop8h 03mFrontier
Tue 12/232:50 pmCUN - IAD
1 stop20h 48mFrontier
Deal found 12/2$349
This Frontier deal was found by Cheapflights users on 12/2. 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 12/145:45 amIAD - CUN
1 stop8h 13mFrontier
Mon 12/2210:07 amCUN - IAD
1 stop8h 09mFrontier
Deal found 12/2$352
This Frontier deal was found by Cheapflights users on 12/2. 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 12/145:45 amIAD - CUN
1 stop8h 13mFrontier
Sat 12/2010:07 amCUN - IAD
1 stop8h 09mFrontier
Deal found 12/2$353
This United Airlines deal was found by Cheapflights users on 12/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:10 pmIAD - PVR
1 stop15h 22mUnited Airlines
Wed 12/245:46 pmPVR - IAD
1 stop12h 01mUnited Airlines
Deal found 12/3$361
This United Airlines deal was found by Cheapflights users on 12/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:10 pmIAD - PVR
1 stop19h 02mUnited Airlines
Tue 12/233:40 pmPVR - IAD
1 stop7h 09mUnited Airlines
Deal found 12/2$380
This Air Canada deal was found by Cheapflights users on 12/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:35 pmIAD - CZM
1 stop27h 15mAir Canada
Wed 12/174:00 pmCZM - IAD
1 stop22h 46mAir Canada
Deal found 12/2$389

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(American Airlines)

One-way from

$136
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$740

Good round-trip deal

$539 or less

Good one-way deal

$245 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 ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 4, 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.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 2/11

5:26 pm-2:15 pm

1 stop21h 49m

Monterrey Gen Mariano Escobedo

Wed 2/18

3:08 pm-4:56 pm

1 stop24h 48m

$229

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 2/9

5:46 pm-12:46 pm

2 stops20h 00m

Monterrey Gen Mariano Escobedo

Tue 2/17

12:47 pm-10:22 am

2 stops20h 35m

$234

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Sat 1/17

5:46 pm-11:36 am

2 stops18h 50m

Santiago de Querétaro

Sat 1/24

6:39 am-10:58 am

2 stops27h 19m

$258

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Fri 2/20

5:32 pm-11:52 pm

1 stop7h 20m

Santiago de Querétaro

Tue 2/24

6:15 am-10:48 pm

1 stop15h 33m

$304

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 2/24

3:15 pm-10:27 am

1 stop19h 12m

Cancun

Sat 2/28

7:42 pm-1:45 pm

1 stop18h 03m

$309

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 3/30

5:09 pm-11:13 am

1 stop19h 04m

Cancun

Fri 4/3

6:03 am-3:17 pm

1 stop8h 14m

$309

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 2/18

6:00 am-6:47 pm

2 stops12h 47m

Cancun

Mon 2/23

6:01 am-1:45 pm

1 stop7h 44m

$313

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Thu 2/26

6:00 am-6:47 pm

2 stops12h 47m

Cancun

Sat 2/28

6:01 am-1:45 pm

1 stop7h 44m

$313

Washington, D.C.León

IAD - BJX

IADBJX

Washington, D.C. Dulles Intl

Thu 1/29

11:34 am-11:37 am

2 stops25h 03m

León Del Bajio

Sun 2/1

4:05 pm-10:58 am

2 stops17h 53m

$316

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Thu 1/29

3:15 pm-12:04 am

1 stop9h 49m

Santiago de Querétaro

Mon 2/2

6:03 am-1:45 pm

1 stop6h 42m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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 $348). 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 December 4, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Mexico in the afternoon. By choosing this option you can save up to 51% 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 Wednesday evenings 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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Mexico

Explore weekly flight availability from Dulles Intl to Mexico. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 4, 2025.

The most flights from IAD to MX0 are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Washington, D.C. to Mexico delayed?

About 10% of weekly flights between Washington, D.C. and Mexico have experienced delays in the past year, with the average delay time being 128 minutes.

What is the most punctual flight time for Washington, D.C. to Mexico flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Mexico flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

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 December 4, 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
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aeromexico
7.4
Good
1,651 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,044 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,092 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 19h 04m. The time it takes to get you to your destination can typically vary by up to 2h 45m. The distance from Washington, D.C. Dulles Intl Airport to Mexico is about 1357 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 Delta, which is currently one of the cheapest options available, starting at $98. United Airlines flights start at $119 while deals on American Airlines start at $129 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 (95%) and Delta (95%).

  • 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 $697, our data indicates the cheapest price to be $194. The most popular route (Washington, D.C. Dulles Intl - Cancun), is priced around $299.

  • 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 $348). 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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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$118Average$419FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$131Average$437FlexibilityNo cancel feeOn-time65%
AeromexicoCheapest$173Average$524FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$194Average$493FlexibilityNo cancel feeOn-time67%
DeltaCheapest$253Average$620FlexibilityNo cancel feeOn-timeN/A
Volaris El SalvadorCheapest$286Average$351FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$315Average$389FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$345Average$685FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$355Average$637FlexibilityNo cancel feeOn-time69%

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