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Monterrey

$149+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MTY
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:01 amIAD - MTY
1 stop6h 32mDelta
Wed 1/145:46 amMTY - IAD
1 stop6h 59mDelta
Deal found 12/13$669
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:08 pmIAD - MTY
1 stop22h 14mAmerican Airlines
Wed 1/146:45 amMTY - IAD
1 stop8h 46mAmerican Airlines
Deal found 12/15$693
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:22 pmIAD - MTY
1 stop18h 13mAmerican Airlines
Mon 1/126:45 amMTY - IAD
1 stop13h 32mAmerican Airlines
Deal found 12/15$715
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amIAD - MTY
1 stop7h 47mDelta
Sat 1/105:46 amMTY - IAD
1 stop7h 10mDelta
Deal found 12/13$722
This Aeromexico deal was found by Cheapflights users on 12/14. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amIAD - MTY
1 stop12h 07mAeromexico
Tue 1/61:30 pmMTY - IAD
1 stop8h 36mAeromexico
Deal found 12/14$754
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amIAD - MTY
1 stop6h 55mAmerican Airlines
Tue 12/2312:31 pmMTY - IAD
1 stop9h 02mAmerican Airlines
Deal found 12/14$779
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:57 pmIAD - MTY
2 stops25h 16mAmerican Airlines
Mon 12/293:07 pmMTY - IAD
2 stops16h 35mAmerican Airlines
Deal found 12/14$789
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:05 amIAD - MTY
1 stop12h 08mAmerican Airlines
Sun 12/285:53 pmMTY - IAD
2 stops18h 34mAmerican Airlines
Deal found 12/14$839

Find 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 December 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$274
(SmartFares)

One-way from

$149
(Delta)

Popular in

January

Cheapest in

March

Average price

$542
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. 2% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 15, 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 1/28

3:15 pm-11:46 pm

1 stop9h 31m

Monterrey Gen Mariano Escobedo

Wed 2/4

5:46 am-1:45 pm

1 stop6h 59m

$279

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Tue 1/27

3:15 pm-11:43 pm

1 stop9h 28m

Monterrey Gen Mariano Escobedo

Tue 2/3

9:38 pm-1:45 pm

1 stop15h 07m

$279

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 1/24

3:15 pm-8:18 am

1 stop18h 03m

Monterrey Gen Mariano Escobedo

Tue 1/27

9:38 pm-1:45 pm

1 stop15h 07m

$283

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 4/1

5:09 pm-11:44 pm

1 stop8h 35m

Monterrey Gen Mariano Escobedo

Sun 4/5

8:05 pm-3:17 pm

1 stop17h 12m

$301

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 3/25

4:15 pm-8:02 am

1 stop17h 47m

Monterrey Gen Mariano Escobedo

Wed 4/1

10:04 pm-3:17 pm

1 stop15h 13m

$301

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 5/25

5:09 pm-12:39 am

1 stop9h 30m

Monterrey Gen Mariano Escobedo

Sat 5/30

5:46 am-3:17 pm

1 stop7h 31m

$305

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 2/11

6:00 am-12:47 pm

1 stop7h 47m

Monterrey Gen Mariano Escobedo

Wed 2/18

8:43 pm-1:45 pm

1 stop16h 02m

$305

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 4/16

5:09 pm-11:44 pm

1 stop8h 35m

Monterrey Gen Mariano Escobedo

Tue 4/21

5:46 am-3:17 pm

1 stop7h 31m

$306

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 5/23

1:00 pm-5:10 pm

1 stop6h 10m

Monterrey Gen Mariano Escobedo

Sun 5/31

9:09 pm-3:17 pm

1 stop16h 08m

$309

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Tue 2/10

3:15 pm-11:46 pm

1 stop9h 31m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 18 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 December 15, 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 December 15, 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
8,007 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

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 9h 31m. Aeromexico provides one of the quickest options available for as low as $279. There are 1597 mi between Washington, D.C. Dulles Intl Airport and Monterrey.

  • 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 $613 on this airline. Users have found that Delta is 3% 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
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Alternative routes for Dulles Intl to Monterrey

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$613Average$743FlexibilityNo cancel feeOn-timeN/A

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