Mexico

$78+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MEX
Jul 8 — Jul 151
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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 July 3, 2025.

Round-trip from

$279
(American Airlines)

One-way from

$117
(Priceline)

Popular in

December

Cheapest in

March

Average price

$608

Good round-trip deal

$502 or less

Good one-way deal

$233 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 ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:17 pmIAD - CUN
2 stops15h 39mAmerican Airlines
Sat 10/47:50 amCUN - IAD
1 stop13h 55mAmerican Airlines
Deal found 7/3$279
This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/49:57 pmIAD - CUN
1 stop9h 58mFrontier
Fri 7/118:05 amCUN - IAD
1 stop12h 08mFrontier
Deal found 7/3$288
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:46 pmIAD - CUN
1 stop13h 02mMultiple Airlines
Sun 8/2412:38 pmCUN - IAD
2 stops23h 02mMultiple Airlines
Deal found 7/3$327
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:37 amIAD - CUN
2 stops10h 11mVolaris El Salvador
Wed 9/1012:38 pmCUN - IAD
2 stops22h 59mVolaris El Salvador
Deal found 7/1$331
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Wed 9/179:35 amIAD - CUN
1 stop28h 25mAir Canada
Thu 9/252:00 pmCUN - IAD
1 stop30h 05mAir Canada
Deal found 7/2$362
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:27 pmIAD - MTY
2 stops21h 07mMultiple Airlines
Sat 8/239:20 amMTY - IAD
1 stop8h 04mMultiple Airlines
Deal found 7/2$365
This Aeromexico deal was found by Cheapflights users on 6/30. 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 9/37:22 amIAD - SJD
2 stops10h 27mAeromexico
Mon 9/87:55 pmSJD - IAD
1 stop16h 20mAeromexico
Deal found 6/30$371
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:32 pmIAD - SJD
1 stop13h 16mUnited Airlines
Wed 8/2011:32 amSJD - IAD
1 stop9h 23mUnited Airlines
Deal found 6/30$376
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:10 pmIAD - SJD
1 stop8h 20mDelta
Mon 9/296:00 amSJD - IAD
2 stops15h 13mDelta
Deal found 7/2$378
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2110:22 amIAD - GDL
2 stops10h 59mMultiple Airlines
Sun 8/247:00 amGDL - IAD
1 stop10h 24mMultiple Airlines
Deal found 7/3$379
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:34 amIAD - SJD
2 stops11h 50mAmerican Airlines
Thu 8/144:24 pmSJD - IAD
1 stop15h 37mAmerican Airlines
Deal found 7/1$381
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/175:16 pmIAD - PVR
1 stop8h 28mMultiple Airlines
Sun 8/2410:11 amPVR - IAD
2 stops31h 13mMultiple Airlines
Deal found 7/3$381

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 July 3, 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

Sat 9/27

7:17 pm-9:56 am

2 stops15h 39m

Cancun

Sat 10/4

7:50 am-10:45 pm

1 stop13h 55m

$279

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 7/27

7:46 pm-7:48 am

1 stop13h 02m

Cancun

Mon 8/4

1:49 pm-12:12 am

1 stop9h 23m

$316

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 8/17

7:46 pm-7:48 am

1 stop13h 02m

Cancun

Sun 8/24

12:38 pm-12:40 pm

2 stops23h 02m

$327

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Thu 9/4

2:37 am-11:48 am

2 stops10h 11m

Cancun

Wed 9/10

12:38 pm-12:37 pm

2 stops22h 59m

$331

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 9/17

9:35 am-1:00 pm

1 stop28h 25m

Cancun

Thu 9/25

2:00 pm-9:05 pm

1 stop30h 05m

$362

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 8/16

12:27 pm-7:34 am

2 stops21h 07m

Monterrey Gen Mariano Escobedo

Sat 8/23

9:20 am-7:24 pm

1 stop8h 04m

$365

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 9/3

7:22 am-2:49 pm

2 stops10h 27m

San José del Cabo Los Cabos

Mon 9/8

7:55 pm-3:15 pm

1 stop16h 20m

$371

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 8/14

10:32 pm-8:48 am

1 stop13h 16m

San José del Cabo Los Cabos

Wed 8/20

11:32 am-11:55 pm

1 stop9h 23m

$376

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 9/25

5:10 pm-10:30 pm

1 stop8h 20m

San José del Cabo Los Cabos

Mon 9/29

6:00 am-12:13 am

2 stops15h 13m

$378

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 8/9

6:34 am-3:24 pm

2 stops11h 50m

San José del Cabo Los Cabos

Thu 8/14

4:24 pm-11:01 am

1 stop15h 37m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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, 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 July 3, 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 July 3, 2025.

The most flights from IAD to MX0 are scheduled on a Monday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

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 July 3, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines, and Hawaiian Airlines 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.
8.0
Very good

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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 $117. American Airlines flights start at $123 while deals on Iberia start at $154 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 KLM (67%), United Airlines (60%) and Delta (58%).

  • 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 $561, our data indicates the cheapest price to be $198. The most popular route (Washington, D.C. Dulles Intl - Cancun), is priced around $345.

  • 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$134Average$451FlexibilityNo cancel feeOn-time65%
AviancaCheapest$182Average$454FlexibilityNo cancel feeOn-time71%
Volaris El SalvadorCheapest$263Average$351FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$278Average$557FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$315Average$392FlexibilityNo cancel feeOn-time62%
DeltaCheapest$320Average$571FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$345Average$641FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$386Average$682FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$488Average$543FlexibilityNo cancel feeOn-time67%

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