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Monterrey

$223+ Cheap flights from Dulles Intl (IAD) to Monterrey (MTY)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MTY
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Dulles Intl to Monterrey

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Monterrey (MTY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2025.

Round-trip from

$416
(Kiwi.com)

One-way from

$223
(Trip.com)

Popular in

January

Cheapest in

November

Average price

$790
From Washington, D.C. Dulles Intl to Monterrey Gen Mariano Escobedo
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One-way flight from Washington, D.C. Dulles Intl to Monterrey Gen Mariano Escobedo
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Highest demand for flights based on searches. 9% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Monterrey

Cheapest flights from Dulles Intl to Monterrey
Explore the most affordable flight options available from Dulles Intl to Monterrey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/2810:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Sun 10/59:25 pmMTY - IAD
2 stops18h 59mMultiple Airlines
Deal found 8/13$416
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/1810:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Mon 9/226:05 amMTY - IAD
2 stops10h 19mMultiple Airlines
Deal found 8/14$426
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/1410:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Mon 9/226:05 amMTY - IAD
2 stops10h 19mMultiple Airlines
Deal found 8/14$437
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 9/1210:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Mon 9/159:20 amMTY - IAD
2 stops12h 55mMultiple Airlines
Deal found 8/15$443
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/410:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Wed 9/107:25 pmMTY - IAD
2 stops15h 30mMultiple Airlines
Deal found 8/13$448
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/305:34 pmIAD - MTY
2 stops36h 06mMultiple Airlines
Thu 11/69:20 amMTY - IAD
1 stop28h 46mMultiple Airlines
Deal found 8/15$452
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/296:10 amIAD - MTY
2 stops19h 25mMultiple Airlines
Thu 10/211:15 amMTY - IAD
1 stop20h 02mMultiple Airlines
Deal found 8/14$488
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/1510:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Sun 9/216:05 amMTY - IAD
2 stops10h 09mMultiple Airlines
Deal found 8/14$495
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 10/2410:11 amIAD - MTY
1 stop7h 49mMultiple Airlines
Mon 10/277:05 amMTY - IAD
2 stops12h 02mMultiple Airlines
Deal found 8/13$513
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/2910:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Mon 10/66:10 amMTY - IAD
2 stops10h 14mMultiple Airlines
Deal found 8/15$533
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Thu 9/42:25 pmIAD - MTY
1 stop7h 50mAir Canada
Wed 9/1010:45 amMTY - IAD
1 stop20h 53mAir Canada
Deal found 8/13$537
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Thu 9/1110:20 amIAD - MTY
1 stop11h 55mAir Canada
Wed 9/1710:45 amMTY - IAD
1 stop20h 53mAir Canada
Deal found 8/13$539

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Monterrey 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 August 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Monterrey that are best for you.

Fly from

Dulles Intl

Fly to

Monterrey

Route

Depart

Return

Price

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sun 9/28

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Sun 10/5

9:25 pm-6:24 pm

2 stops18h 59m

$416

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 9/18

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Mon 9/22

6:05 am-6:24 pm

2 stops10h 19m

$426

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 9/18

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Fri 9/19

6:05 am-6:19 pm

2 stops10h 14m

$426

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 9/18

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Sun 9/21

6:05 am-6:14 pm

2 stops10h 09m

$426

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sun 9/14

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Fri 9/19

6:05 am-6:19 pm

2 stops10h 14m

$437

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sun 9/14

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Mon 9/22

6:05 am-6:24 pm

2 stops10h 19m

$437

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sun 9/14

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Sun 9/21

6:05 am-6:14 pm

2 stops10h 09m

$437

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sun 9/14

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Thu 9/18

6:05 am-6:24 pm

2 stops10h 19m

$437

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Fri 9/12

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Mon 9/15

9:20 am-12:15 am

2 stops12h 55m

$443

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 9/4

10:17 am-3:55 pm

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Wed 9/10

7:25 pm-12:55 pm

2 stops15h 30m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 17 results
1
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Best time to book a flight from Dulles Intl to Monterrey

Have a flexible travel schedule? Discover the best time to fly to Monterrey 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 Monterrey

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Monterrey?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Monterrey (average of $243). Flying from Washington, D.C. Dulles Intl Airport to Monterrey in December is currently the most expensive (average of $432). 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 MTY?

Find hourly flight availability from Dulles Intl to Monterrey. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Washington, D.C. Dulles Intl Airport to Monterrey by exploring options for tickets at noon.

Reviews of airlines servicing Monterrey

Get insights into the airlines that provide service to Monterrey. 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 Monterrey. Reviews last updated August 16, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Monterrey, such as Delta, Aeromexico, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
Aeromexico
7.5
Good
1,722 reviews
Delta
8.0
Very good
7,985 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,985 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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 Monterrey. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Monterrey from Washington, D.C. Dulles Intl?

    Located just 14.9 mi from the city center, Monterrey Gen Mariano Escobedo is the airport most travelers will use when flying to Monterrey from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Gen Mariano Escobedo (MTY) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 3 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Monterrey round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Monterrey is Delta. Our recent data shows that you can find tickets from as low as $563 on this airline. Additional options worth looking into are Aeromexico and American Airlines, starting at $567 and $592 round-trip. Users have found that Delta is 25% cheaper than the other options available to this destination.

  • Can I find deals for flights from Dulles Intl to Monterrey that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Monterrey flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Monterrey?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Monterrey.

  • Can I find deals for business class flights from Dulles Intl to Monterrey?

    Yes. Cheapflights offers flight deals from Dulles Intl to Monterrey 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 Monterrey?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Monterrey (average of $243). Flying from Washington, D.C. Dulles Intl Airport to Monterrey in December is currently the most expensive (average of $432). 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

Traveling to a place near Monterrey?

Book flights to Monterrey if you plan to visit one of these locations
San Pedro Garza Garcia

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Alternative routes for Dulles Intl to Monterrey

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Monterrey flights
Baltimore to Monterrey flights

Top 3 airlines flying from Dulles Intl to Monterrey

Discover the top 3 airlines that operate flights from Dulles Intl to Monterrey. 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$563Average$695FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$567Average$803FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$592Average$662FlexibilityNo cancel feeOn-time71%

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