HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Mexico

$158+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
mar. 31 — abr. 71
lun. 3/31
lun. 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Mexico with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 marzo 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(Avianca)

One-way from

$158
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$562

Good round-trip deal

$492 or less

Good one-way deal

$212 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 ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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

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 marzo 26, 2025.

This Avianca deal was found by Cheapflights users on 3/25. 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.
vie. 4/115:05 pmIAD - CUN
2 stops19h 40mAvianca
dom. 4/133:45 pmCUN - IAD
1 stop12h 50mAvianca
Deal found 3/25$284
This Trip.com deal was found by Cheapflights users on 3/24. 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.
dom. 3/302:22 amIAD - CUN
2 stops9h 59mVolaris El Salvador
lun. 4/712:38 pmCUN - IAD
2 stops22h 42mVolaris El Salvador
Deal found 3/24$290
This CheapTickets.de deal was found by Cheapflights users on 3/25. 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 CheapTickets.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/97:05 amIAD - CUN
1 stop5h 20mMultiple Airlines
vie. 5/1612:38 pmCUN - IAD
2 stops22h 42mMultiple Airlines
Deal found 3/25$326
This Flightnetwork deal was found by Cheapflights users on 3/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/95:00 pmIAD - CUN
1 stop8h 55mAeromexico
vie. 5/166:07 amCUN - IAD
1 stop8h 10mAeromexico
Deal found 3/25$365
This American Airlines deal was found by Cheapflights users on 3/24. 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.
mar. 5/135:02 amIAD - CUN
2 stops9h 13mAmerican Airlines
sáb. 5/1710:35 amCUN - IAD
2 stops12h 27mAmerican Airlines
Deal found 3/24$372
This CheapOair deal was found by Cheapflights users on 3/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/263:55 pmIAD - CUN
1 stop29h 40mAir Canada
vie. 3/287:00 amCUN - IAD
1 stop12h 41mAir Canada
Deal found 3/25$402
This Mytrip deal was found by Cheapflights users on 3/25. 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.
lun. 5/52:25 pmIAD - GDL
1 stop25h 05mMultiple Airlines
jue. 5/82:15 pmGDL - IAD
1 stop15h 40mMultiple Airlines
Deal found 3/25$404
This Delta deal was found by Cheapflights users on 3/24. 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.
mié. 4/96:00 amIAD - CUN
2 stops11h 19mDelta
mié. 4/166:08 amCUN - IAD
1 stop8h 11mDelta
Deal found 3/24$405
This American Airlines deal was found by Cheapflights users on 3/25. 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.
sáb. 4/265:13 pmIAD - SJD
1 stop18h 12mAmerican Airlines
jue. 5/12:29 pmSJD - IAD
2 stops15h 09mAmerican Airlines
Deal found 3/25$423
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/297:59 pmIAD - SJD
1 stop17h 07mHawaiian Airlines
dom. 6/17:28 pmSJD - IAD
1 stop31h 27mHawaiian Airlines
Deal found 3/26$424
This Gotogate deal was found by Cheapflights users on 3/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/62:00 pmIAD - MEX
1 stop9h 45mMultiple Airlines
sáb. 5/1012:15 amMEX - IAD
1 stop11h 26mMultiple Airlines
Deal found 3/25$424
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/295:14 pmIAD - SJD
2 stops19h 52mAlaska Airlines
dom. 6/17:28 pmSJD - IAD
1 stop31h 27mAlaska Airlines
Deal found 3/25$428

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 marzo 26, 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.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

vie. 4/11

5:05 pm-11:45 am

2 stops19h 40m

Cancun

dom. 4/13

3:45 pm-5:35 am

1 stop12h 50m

$284

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

mar. 5/13

2:22 am-11:48 am

2 stops10h 26m

Cancun

dom. 5/18

12:38 pm-12:20 pm

2 stops22h 42m

$291

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

jue. 5/22

2:00 pm-11:48 am

2 stops22h 48m

Cancun

dom. 5/25

12:38 pm-12:10 am

2 stops10h 32m

$301

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

vie. 5/9

5:00 pm-12:55 am

1 stop8h 55m

Cancun

vie. 5/16

6:07 am-3:17 pm

1 stop8h 10m

$365

Washington, D.C.Guadalajara

IAD - GDL

IADGDL

Washington, D.C. Dulles Intl

lun. 5/5

2:25 pm-1:30 pm

1 stop25h 05m

Guadalajara Miguel Hidal

jue. 5/8

2:15 pm-7:55 am

1 stop15h 40m

$404

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

mié. 4/23

1:13 pm-3:51 pm

Nonstop3h 38m

Cancun

mié. 4/30

4:12 pm-8:37 pm

Nonstop3h 25m

$409

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

vie. 4/18

6:00 am-2:01 pm

1 stop9h 01m

Cancun

vie. 4/25

12:35 pm-9:23 pm

1 stop7h 48m

$411

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

mar. 4/22

9:10 am-5:04 pm

2 stops8h 54m

Cancun

jue. 5/1

11:09 am-11:56 pm

2 stops11h 47m

$415

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

sáb. 4/26

6:18 am-2:25 pm

2 stops11h 07m

San José del Cabo Los Cabos

vie. 5/2

1:38 pm-8:38 am

2 stops16h 00m

$423

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

jue. 5/29

7:59 pm-10:06 am

1 stop17h 07m

San José del Cabo Los Cabos

dom. 6/1

7:28 pm-5:55 am

1 stop31h 27m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 results
1
2
3
...
6

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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico (average of $400). Flying from Washington, D.C. Dulles Intl Airport to Mexico 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 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 marzo 26, 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.

Rainfall in Mexico by month

Plan your trip to Mexico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mexico ranges from 0.0 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. January is typically the driest time to visit Mexico when rainfall is around 0.0 in.

Temperature in Mexico by month

Plan your trip to Mexico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mexico, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).

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 marzo 26, 2025.
To help decide which airline to fly from Washington, D.C. to Mexico, see what other customers have to say about Southwest, Delta and Alaska Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,331 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Copa Airlines
7.6
Good
1,393 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 Volaris El Salvador, which is currently one of the cheapest options available, starting at $163. Delta flights start at $164 while deals on American Airlines start at $170 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 Delta (85%), Aeromexico (85%) and United Airlines (82%).

  • 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 $682, our data indicates the cheapest price to be $211. The most popular route (Washington, D.C. Dulles Intl - Cancun), is priced around $300.

  • 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico (average of $400). Flying from Washington, D.C. Dulles Intl Airport to Mexico 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Mexico

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Cancún flights
Dulles Intl to Dallas/Fort Worth flights
Dulles Intl to Miami flights
Baltimore to Dallas/Fort Worth flights
Dulles Intl to Las Vegas flights
Reagan-National to Miami flights
Reagan-National to Los Angeles flights
Dulles Intl to Orlando flights
Reagan-National to Dallas/Fort Worth flights
Baltimore to Fort Lauderdale flights
Baltimore to Cancún flights
Dulles Intl to Seattle flights
Dulles Intl to Los Angeles flights
Reagan-National to Las Vegas flights
Baltimore to Miami flights
Dulles Intl to Fort Lauderdale flights
Reagan-National to Seattle flights
Dulles Intl to Hobby flights
Baltimore to Hobby flights
Reagan-National to San Francisco flights
Dulles Intl to Atlanta flights
Reagan-National to Boston flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to San Francisco flights
Baltimore to Las Vegas flights
Dulles Intl to Tampa flights
Baltimore to O'Hare Intl flights
Dulles Intl to Denver flights
Reagan-National to Cancún flights
Baltimore to Seattle flights
Dulles Intl to Boston flights
Baltimore to Denver flights
Reagan-National to O'Hare Intl flights
Baltimore to Los Angeles flights
Reagan-National to Hobby flights
Baltimore to Orlando flights
Baltimore to San Francisco flights
Dulles Intl to George Bush Intcntl flights
Reagan-National to Orlando flights
Baltimore to Boston flights
Dulles Intl to Sky Harbor Intl flights
Reagan-National to Denver flights
Dulles Intl to New Orleans flights
Baltimore to Atlanta flights
Reagan-National to Atlanta flights
Dulles Intl to Austin flights
Dulles Intl to Nashville flights
Dulles Intl to Charleston flights
Baltimore to George Bush Intcntl flights
Reagan-National to Fort Lauderdale 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 marzo 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$193Average$453FlexibilityNo cancel feeOn-time65%
AviancaCheapest$202Average$467FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$226Average$517FlexibilityNo cancel feeOn-timeN/A
Volaris El SalvadorCheapest$263Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$685FlexibilityNo cancel feeOn-time69%
DeltaCheapest$297Average$598FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$302Average$420FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$340Average$600FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$488Average$545FlexibilityNo cancel feeOn-time67%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.