Mexico

$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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
jun. 17 — jun. 241
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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 junio 12, 2025.

Round-trip from

$310
(Priceline)

One-way from

$131
(Priceline)

Popular in

December

Cheapest in

March

Average price

$572

Good round-trip deal

$490 or less

Good one-way deal

$240 or less
From Washington, D.C. Dulles Intl to Mexico
One-way flight from Washington, D.C. Dulles Intl to Mexico
Highest demand for flights based on searches. 6% potential increase in price ($43 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Mexico.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Mexico.

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 junio 12, 2025.

This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/277:00 amIAD - CUN
1 stop6h 26mFrontier
sáb. 10/41:41 pmCUN - IAD
1 stop9h 14mFrontier
Deal found 6/12$292
This Trip.com deal was found by Cheapflights users on 6/10. 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.
jue. 8/282:37 amIAD - CUN
2 stops10h 11mVolaris El Salvador
lun. 9/112:38 pmCUN - IAD
2 stops22h 59mVolaris El Salvador
Deal found 6/10$314
This Trip.com deal was found by Cheapflights users on 6/10. 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.
mar. 6/246:10 amIAD - CUN
1 stop7h 22mMultiple Airlines
mié. 6/2512:38 pmCUN - IAD
2 stops10h 32mMultiple Airlines
Deal found 6/10$315
This Air Canada deal was found by Cheapflights users on 6/12. 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.
lun. 9/89:35 amIAD - CUN
1 stop28h 25mAir Canada
lun. 9/152:00 pmCUN - IAD
1 stop30h 05mAir Canada
Deal found 6/12$360
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 8/97:10 amIAD - SJD
1 stop7h 12mDelta
jue. 8/1412:28 pmSJD - IAD
1 stop8h 53mDelta
Deal found 6/10$376
This American Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 7/256:44 pmIAD - SJD
1 stop16h 09mAmerican Airlines
vie. 8/19:45 amSJD - IAD
1 stop11h 13mAmerican Airlines
Deal found 6/10$377
This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 7/316:10 amIAD - SJD
1 stop7h 20mUnited Airlines
lun. 8/42:50 pmSJD - IAD
1 stop11h 34mUnited Airlines
Deal found 6/11$398
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 7/147:59 pmIAD - SJD
1 stop17h 12mHawaiian Airlines
lun. 7/217:22 pmSJD - IAD
1 stop20h 57mHawaiian Airlines
Deal found 6/10$400
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 7/147:59 pmIAD - SJD
2 stops25h 13mAlaska Airlines
lun. 7/217:22 pmSJD - IAD
2 stops20h 37mAlaska Airlines
Deal found 6/11$401
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 8/195:14 pmIAD - PVR
1 stop8h 12mDelta
vie. 8/226:01 amPVR - IAD
1 stop7h 25mDelta
Deal found 6/10$410
This American Airlines deal was found by Cheapflights users on 6/11. 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. 10/45:40 pmIAD - PVR
1 stop18h 21mAmerican Airlines
sáb. 10/1111:35 amPVR - IAD
2 stops19h 07mAmerican Airlines
Deal found 6/11$438
This Mytrip deal was found by Cheapflights users on 6/10. 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.
dom. 8/1711:04 amIAD - MEX
2 stops28h 36mMultiple Airlines
vie. 9/192:00 pmMEX - IAD
2 stops23h 45mMultiple Airlines
Deal found 6/10$438

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 junio 12, 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

sáb. 9/27

7:00 am-12:26 pm

1 stop6h 26m

Cancun

sáb. 10/4

1:41 pm-11:55 pm

1 stop9h 14m

$292

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

jue. 8/28

2:37 am-11:48 am

2 stops10h 11m

Cancun

lun. 9/1

12:38 pm-12:37 pm

2 stops22h 59m

$314

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

mar. 6/24

6:10 am-12:32 pm

1 stop7h 22m

Cancun

mié. 6/25

12:38 pm-12:10 am

2 stops10h 32m

$315

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

lun. 9/8

9:35 am-1:00 pm

1 stop28h 25m

Cancun

lun. 9/15

2:00 pm-9:05 pm

1 stop30h 05m

$360

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

sáb. 8/9

7:10 am-11:22 am

1 stop7h 12m

San José del Cabo Los Cabos

jue. 8/14

12:28 pm-12:21 am

1 stop8h 53m

$376

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

vie. 7/25

6:44 pm-7:53 am

1 stop16h 09m

San José del Cabo Los Cabos

vie. 8/1

9:45 am-11:58 pm

1 stop11h 13m

$377

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

jue. 7/31

6:10 am-10:30 am

1 stop7h 20m

San José del Cabo Los Cabos

lun. 8/4

2:50 pm-5:24 am

1 stop11h 34m

$398

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

lun. 7/14

7:59 pm-10:11 am

1 stop17h 12m

San José del Cabo Los Cabos

lun. 7/21

7:22 pm-7:19 pm

1 stop20h 57m

$400

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

lun. 7/14

7:59 pm-10:11 am

1 stop17h 12m

San José del Cabo Los Cabos

lun. 7/21

7:22 pm-6:59 pm

2 stops20h 37m

$401

Washington, D.C.Puerto Vallarta

IAD - PVR

IADPVR

Washington, D.C. Dulles Intl

mar. 8/19

5:14 pm-11:26 pm

1 stop8h 12m

Puerto Vallarta Ordaz

vie. 8/22

6:01 am-3:26 pm

1 stop7h 25m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico (average of $388). 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 junio 12, 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 junio 12, 2025.

The most flights from IAD to MX0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 junio 12, 2025.
To help decide which airline to fly from Washington, D.C. to Mexico, see what other customers have to say about Delta, Alaska Airlines and Southwest. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Frontier, which is currently one of the cheapest options available, starting at $131. Aeromexico flights start at $152 while deals on Volaris El Salvador start at $155 one-way.

  • What are the most popular routes 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 (77%), Delta (72%) and Aeromexico (72%).

  • 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 $666, our data indicates the cheapest price to be $204. The most popular route (Washington, D.C. Dulles Intl - Cancun), is priced around $340.

  • 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 $388). 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

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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.

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$134Average$459FlexibilityNo cancel feeOn-time65%
AviancaCheapest$182Average$459FlexibilityNo cancel feeOn-time71%
Volaris El SalvadorCheapest$263Average$351FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$278Average$544FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$318Average$420FlexibilityNo cancel feeOn-time62%
DeltaCheapest$320Average$575FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$336Average$633FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$387Average$688FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$488Average$543FlexibilityNo cancel feeOn-time67%

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