HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monterrey

$179+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MTY
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Monterrey 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 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 November 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$261
(American Airlines)

One-way from

$179
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$576
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Monterrey Gen Mariano Escobedo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Monterrey Gen Mariano Escobedo flights.
Search Deals
From Washington, D.C. Dulles Intl to Monterrey Gen Mariano Escobedo
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Monterrey Gen Mariano Escobedo
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:45 amIAD - MTY
2 stops19h 25mMultiple Airlines
Sat 1/1711:20 amMTY - IAD
1 stop21h 45mMultiple Airlines
Deal found 11/24$414
This Air Canada deal was found by Cheapflights users on 11/22. 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.
Sat 11/2210:11 pmIAD - MTY
1 stop23h 19mAir Canada
Tue 11/259:15 amMTY - IAD
1 stop10h 11mAir Canada
Deal found 11/22$425
This Booking.com deal was found by Cheapflights users on 11/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:15 pmIAD - MTY
1 stop28h 15mAir Canada
Tue 12/29:15 amMTY - IAD
1 stop10h 11mAir Canada
Deal found 11/24$430
This American Airlines deal was found by Cheapflights users on 11/23. 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.
Fri 12/125:35 pmIAD - MTY
2 stops19h 20mAmerican Airlines
Mon 12/153:23 pmMTY - IAD
1 stop6h 36mAmerican Airlines
Deal found 11/23$441
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Mon 12/157:59 amIAD - MTY
2 stops14h 32mAmerican Airlines
Wed 1/147:00 amMTY - IAD
2 stops15h 12mAmerican Airlines
Deal found 11/24$446
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Tue 12/165:29 pmIAD - MTY
2 stops18h 06mAmerican Airlines
Mon 1/123:48 pmMTY - IAD
2 stops18h 10mAmerican Airlines
Deal found 11/24$478
This American Airlines deal was found by Cheapflights users on 11/23. 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 12/136:00 amIAD - MTY
1 stop9h 22mAmerican Airlines
Sat 1/176:45 amMTY - IAD
1 stop8h 46mAmerican Airlines
Deal found 11/23$485
This American Airlines deal was found by Cheapflights users on 11/23. 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 12/138:05 pmIAD - MTY
2 stops16h 46mAmerican Airlines
Sat 1/103:48 pmMTY - IAD
1 stop28h 29mAmerican Airlines
Deal found 11/23$494
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Tue 11/256:44 amIAD - MTY
2 stops12h 46mAmerican Airlines
Tue 12/25:39 amMTY - IAD
1 stop16h 02mAmerican Airlines
Deal found 11/24$529

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 November 24, 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

Wed 2/4

6:00 am-12:46 pm

1 stop7h 46m

Monterrey Gen Mariano Escobedo

Fri 2/13

6:16 pm-4:31 pm

1 stop21h 15m

$261

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 1/19

8:51 am-11:30 pm

2 stops15h 39m

Monterrey Gen Mariano Escobedo

Thu 1/22

11:20 am-9:55 am

1 stop21h 35m

$391

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 3/30

9:00 am-7:10 pm

1 stop12h 10m

Monterrey Gen Mariano Escobedo

Tue 3/31

8:15 am-9:25 pm

1 stop11h 10m

$437

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sun 3/29

9:00 am-7:10 pm

1 stop12h 10m

Monterrey Gen Mariano Escobedo

Tue 3/31

8:15 am-8:24 pm

1 stop10h 09m

$437

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 3/25

6:40 am-1:14 pm

1 stop8h 34m

Monterrey Gen Mariano Escobedo

Thu 4/2

6:25 pm-4:09 pm

1 stop19h 44m

$439

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 3/25

5:52 pm-1:19 pm

1 stop21h 27m

Monterrey Gen Mariano Escobedo

Fri 3/27

2:09 pm-8:48 am

2 stops16h 39m

$469

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 2/21

3:42 pm-5:35 pm

2 stops26h 53m

Monterrey Gen Mariano Escobedo

Fri 2/27

9:20 am-8:53 pm

1 stop10h 33m

$525

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 12/15

7:59 am-9:31 pm

2 stops14h 32m

Monterrey Gen Mariano Escobedo

Wed 1/14

9:15 am-4:31 pm

1 stop6h 16m

$539

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 3/30

9:00 am-7:10 pm

1 stop12h 10m

Monterrey Gen Mariano Escobedo

Fri 4/3

6:00 am-8:30 pm

3 stops36h 30m

$558

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 3/26

6:00 am-11:40 am

1 stop7h 40m

Monterrey Gen Mariano Escobedo

Wed 4/1

5:46 am-3:17 pm

1 stop7h 31m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

Showing 1-10 of 15 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Monterrey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Monterrey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Monterrey flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Monterrey flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Monterrey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 November 24, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 88% 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 November 24, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Monterrey, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

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
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

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 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 1 airline.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Monterrey?

    A quick flight from Washington, D.C. Dulles Intl Airport to Monterrey can take about 7h 46m. American Airlines provides one of the quickest options available for as low as $261. There are 1597 mi between Washington, D.C. Dulles Intl Airport and Monterrey. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly 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. Users have found that Delta is 22% 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.

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

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 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 airline flying from Dulles Intl to Monterrey

Discover the top airline 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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$563Average$743FlexibilityNo cancel feeOn-timeN/A

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.