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$131+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
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 30, 2025.

This Expedia deal was found by Cheapflights users on 12/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:16 pmIAD - CUN
1 stop17h 34mAir Canada
Wed 1/77:25 pmCUN - IAD
1 stop25h 01mAir Canada
Deal found 12/30$433
This Kiwi.com deal was found by Cheapflights users on 12/29. 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.
Tue 12/309:58 pmIAD - CUN
2 stops15h 33mMultiple Airlines
Thu 1/810:13 amCUN - IAD
1 stop21h 42mMultiple Airlines
Deal found 12/29$506
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Tue 12/309:58 pmIAD - CUN
2 stops15h 33mMultiple Airlines
Sun 1/1110:13 amCUN - IAD
1 stop21h 27mMultiple Airlines
Deal found 12/28$517
This Aeromexico deal was found by Cheapflights users on 12/27. 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.
Wed 12/313:36 pmIAD - SJD
1 stop17h 59mAeromexico
Sat 1/1011:40 amSJD - IAD
1 stop9h 26mAeromexico
Deal found 12/27$523
This Aeromexico deal was found by Cheapflights users on 12/28. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amIAD - PVR
1 stop7h 35mAeromexico
Wed 12/312:10 pmPVR - IAD
1 stop7h 42mAeromexico
Deal found 12/28$524
This Aeromexico deal was found by Cheapflights users on 12/30. 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 12/316:00 amIAD - QRO
1 stop13h 12mAeromexico
Mon 1/127:12 pmQRO - IAD
1 stop17h 33mAeromexico
Deal found 12/30$527
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:20 amIAD - SJD
1 stop10h 22mUnited Airlines
Tue 1/612:49 pmSJD - IAD
1 stop7h 29mUnited Airlines
Deal found 12/29$527
This Delta deal was found by Cheapflights users on 12/28. 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.
Tue 12/306:00 amIAD - PVR
1 stop7h 35mDelta
Wed 12/313:00 pmPVR - IAD
2 stops19h 52mDelta
Deal found 12/28$529
This Air Canada deal was found by Cheapflights users on 12/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:45 amIAD - CUN
1 stop12h 55mAir Canada
Thu 1/1511:00 amCUN - IAD
1 stop9h 54mAir Canada
Deal found 12/29$529
This Delta deal was found by Cheapflights users on 12/28. 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.
Tue 12/306:59 pmIAD - SJD
2 stops18h 17mDelta
Tue 1/612:36 pmSJD - IAD
2 stops20h 17mDelta
Deal found 12/28$532
This FlightHub deal was found by Cheapflights users on 12/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:45 amIAD - CUN
1 stop12h 55mAir Canada
Mon 1/127:25 pmCUN - IAD
1 stop20h 21mAir Canada
Deal found 12/28$532
This Delta deal was found by Cheapflights users on 12/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:17 pmIAD - SJD
2 stops18h 28mDelta
Tue 1/612:36 pmSJD - IAD
1 stop9h 12mDelta
Deal found 12/29$539

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 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$295
(Kiwi.com)

One-way from

$131
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$738

Good round-trip deal

$482 or less

Good one-way deal

$198 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 ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 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 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.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-7:29 pm

1 stop14h 29m

Puerto Vallarta Ordaz

Wed 3/11

12:00 pm-8:48 am

2 stops18h 48m

$313

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Mon 2/23

3:15 pm-11:57 pm

1 stop9h 42m

Santiago de Querétaro

Thu 2/26

6:03 am-1:45 pm

1 stop6h 42m

$340

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Wed 3/11

4:20 pm-12:06 am

1 stop9h 46m

Santiago de Querétaro

Thu 3/26

6:00 am-3:05 pm

1 stop7h 05m

$340

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Tue 3/10

4:20 pm-12:51 am

1 stop10h 31m

Santiago de Querétaro

Wed 3/25

6:03 am-2:50 pm

1 stop6h 47m

$340

Washington, D.C.Santiago de Querétaro

IAD - QRO

IADQRO

Washington, D.C. Dulles Intl

Mon 3/9

12:47 pm-12:51 am

2 stops14h 04m

Santiago de Querétaro

Thu 3/26

6:00 am-3:05 pm

1 stop7h 05m

$345

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Sat 1/17

10:28 pm-1:35 pm

1 stop16h 07m

Puerto Vallarta Ordaz

Fri 1/23

5:46 pm-6:47 am

1 stop12h 01m

$353

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Sat 1/17

10:28 pm-1:35 pm

1 stop16h 07m

Puerto Vallarta Ordaz

Wed 1/21

1:34 pm-5:21 am

1 stop14h 47m

$353

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Wed 4/1

4:55 pm-11:20 pm

1 stop8h 25m

Puerto Vallarta Ordaz

Tue 4/7

6:02 am-3:17 pm

1 stop7h 15m

$353

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Mon 2/23

3:15 pm-9:04 am

1 stop18h 49m

Puerto Vallarta Ordaz

Sun 3/1

7:24 pm-1:45 pm

1 stop17h 21m

$353

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

Sun 1/11

6:00 am-1:02 pm

1 stop8h 02m

Puerto Vallarta Ordaz

Sun 1/18

11:55 am-10:18 pm

1 stop9h 23m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

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 $329). 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 30, 2025.

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 December 30, 2025.

The most flights from IAD to MX0 are scheduled on a Friday (7 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 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 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
8,013 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

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
8,013 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

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
9,124 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

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
1,618 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

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
11,075 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

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
3,069 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

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 American Airlines, Aeromexico, and Delta fly from Washington, D.C. Dulles Intl Airport to Mexico in about 9h 42m. The time it takes to get you to your destination can typically vary by up to 4h 47m. The distance from Washington, D.C. Dulles Intl Airport to Mexico is about 1850 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 United Airlines, which is currently one of the cheapest options available, starting at $154. Delta flights start at $163 while deals on Aeromexico start at $197 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 (100%), KLM (95%) and United Airlines (93%).

  • 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 $651, our data indicates the cheapest price to be $219. 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 April is currently the most expensive (average of $329). 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$118Average$391FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$134Average$398FlexibilityNo cancel feeOn-time65%
AeromexicoCheapest$173Average$660FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$194Average$510FlexibilityNo cancel feeOn-time67%
DeltaCheapest$196Average$628FlexibilityNo cancel feeOn-timeN/A
Volaris El SalvadorCheapest$286Average$349FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$315Average$392FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$336Average$679FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$355Average$632FlexibilityNo cancel feeOn-time69%

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