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$125+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/86:00 am
IAD
-
CUN
1 stop9h 56m
Frontier
Wed 4/154:09 pm
CUN
-
IAD
1 stop7h 27m
Frontier
Deal found 2/17$283
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 4/296:20 am
IAD
-
CUN
1 stop9h 36m
Frontier
Tue 5/54:09 pm
CUN
-
IAD
1 stop7h 27m
Frontier
Deal found 2/18$288
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/146:20 am
IAD
-
CUN
1 stop9h 36m
Frontier
Wed 4/154:09 pm
CUN
-
IAD
1 stop7h 27m
Frontier
Deal found 2/17$289
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sun 4/266:20 am
IAD
-
CUN
1 stop9h 36m
Frontier
Wed 4/294:09 pm
CUN
-
IAD
1 stop7h 27m
Frontier
Deal found 2/17$293
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Sun 4/1210:25 am
IAD
-
CUN
1 stop22h 46m
Frontier
Thu 4/164:07 pm
CUN
-
IAD
1 stop7h 29m
Frontier
Deal found 2/18$294
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/166:20 am
IAD
-
CUN
1 stop9h 39m
Frontier
Tue 3/171:47 pm
CUN
-
IAD
1 stop9h 09m
Frontier
Deal found 2/17$303
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/238:09 am
IAD
-
CUN
1 stop7h 24m
Frontier
Tue 3/244:15 pm
CUN
-
IAD
1 stop6h 41m
Frontier
Deal found 2/17$304
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Sun 4/126:39 pm
IAD
-
CUN
1 stop14h 32m
Frontier
Wed 4/154:09 pm
CUN
-
IAD
1 stop7h 27m
Frontier
Deal found 2/17$306
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 4/136:15 am
IAD
-
CUN
1 stop9h 50m
Frontier
Fri 4/174:09 pm
CUN
-
IAD
1 stop7h 27m
Frontier
Deal found 2/18$309
This WAYA deal was found by Cheapflights users on 2/17. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:09 am
IAD
-
CUN
1 stop7h 19m
Frontier
Wed 3/114:09 pm
CUN
-
IAD
1 stop7h 22m
Frontier
Deal found 2/17$310
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Tue 5/261:09 pm
IAD
-
CUN
Nonstop3h 42m
United Airlines
Tue 6/211:14 am
CUN
-
IAD
Nonstop3h 31m
United Airlines
Deal found 2/16$313
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Sat 8/86:00 am
IAD
-
PVR
1 stop7h 47m
United Airlines
Thu 8/1312:25 pm
PVR
-
IAD
1 stop8h 11m
United Airlines
Deal found 2/17$342

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Kiwi.com)

One-way from

$125
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$578

Good round-trip deal

$475 or less

Good one-way deal

$233 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. 5% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 19, 2026.
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.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 6/10

1:09 pm-3:51 pm

Nonstop3h 42m

Cancun

Wed 6/24

11:14 am-3:45 pm

Nonstop3h 31m

$313

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 4/26

1:09 pm-3:51 pm

Nonstop3h 42m

Cancun

Wed 4/29

11:14 am-3:45 pm

Nonstop3h 31m

$313

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 5/4

6:00 am-1:39 pm

1 stop8h 39m

Cancun

Fri 5/8

11:14 am-3:45 pm

Nonstop3h 31m

$317

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 5/17

1:09 pm-3:51 pm

Nonstop3h 42m

Cancun

Fri 5/22

4:18 pm-8:44 pm

Nonstop3h 26m

$333

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Sun 5/17

10:20 pm-11:10 am

1 stop14h 50m

Puerto Vallarta Ordaz

Sat 5/23

1:18 pm-12:31 am

1 stop9h 13m

$342

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Fri 5/1

10:20 pm-2:23 pm

1 stop18h 03m

Puerto Vallarta Ordaz

Wed 5/6

12:19 pm-11:59 pm

1 stop9h 40m

$342

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 4/28

6:00 am-4:40 pm

2 stops11h 40m

Cancun

Thu 5/7

6:00 am-3:10 pm

1 stop8h 10m

$347

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Fri 4/17

5:05 pm-8:30 am

1 stop17h 25m

Puerto Vallarta Ordaz

Mon 4/20

8:15 pm-3:10 pm

1 stop16h 55m

$358

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Mon 4/20

5:05 pm-11:20 pm

1 stop8h 15m

Puerto Vallarta Ordaz

Sat 5/2

6:00 am-3:10 pm

1 stop7h 10m

$358

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Thu 4/23

5:05 pm-11:20 pm

1 stop8h 15m

Puerto Vallarta Ordaz

Tue 4/28

8:15 pm-3:10 pm

1 stop16h 55m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

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 April is currently the most expensive (average of $333). 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 February 19, 2026.

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

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 February 19, 2026.

The most flights from IAD to MX0 are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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

About 11% of weekly flights between Washington, D.C. and Mexico have experienced delays in the past year, with the average delay time being 136 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 Saturday 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 11% 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 February 19, 2026.
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
8,213 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
8,213 reviews
Delta
7.9
Good
8,213 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
9,322 reviews
Delta
7.9
Good
8,213 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
1,574 reviews
Delta
7.9
Good
8,213 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
11,313 reviews
Delta
7.9
Good
8,213 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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
5.7
Fair
3,048 reviews
Delta
7.9
Good
8,213 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Food

7.2

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 United Airlines, Delta, and Aeromexico fly from Washington, D.C. Dulles Intl Airport to Mexico in about 3h 42m. The time it takes to get you to your destination can typically vary by up to 13h 43m. 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 $115 while deals on American Airlines start at $139 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 Scandinavian Airlines (96%), Delta (95%) and Aeromexico (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 $819, our data indicates the cheapest price to be $216. The most popular route (Washington, D.C. Dulles Intl - Cancun), is priced around $315.

  • 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 April is currently the most expensive (average of $333). 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$400FlexibilityNo cancel feeOn-time65%
AviancaCheapest$118Average$334FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$161Average$644FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$178Average$619FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$194Average$387FlexibilityNo cancel feeOn-time67%
FrontierCheapest$280Average$393FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$286Average$340FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$333Average$620FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$335Average$690FlexibilityNo cancel feeOn-time71%

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