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Monterrey

$130+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MTY
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$379
(Kiwi.com)

One-way from

$130
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,009
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 September 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2512:54 pmIAD - MTY
1 stop29h 06mMultiple Airlines
Fri 10/3111:15 amMTY - IAD
2 stops34h 40mMultiple Airlines
Deal found 9/10$379
This Kiwi.com deal was found by Cheapflights users on 9/9. 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
Fri 10/319:25 pmMTY - IAD
2 stops15h 37mMultiple Airlines
Deal found 9/9$412
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Mon 11/179:00 amIAD - MTY
1 stop12h 30mAir Canada
Tue 11/259:15 amMTY - IAD
1 stop10h 11mAir Canada
Deal found 9/9$483
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/1810:17 amIAD - MTY
1 stop7h 38mMultiple Airlines
Thu 9/2511:15 amMTY - IAD
2 stops11h 00mMultiple Airlines
Deal found 9/10$524
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/1010:11 amIAD - MTY
1 stop7h 49mMultiple Airlines
Mon 10/139:25 pmMTY - IAD
2 stops15h 45mMultiple Airlines
Deal found 9/9$536
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:20 amIAD - MTY
1 stop10h 50mAir Canada
Sat 11/18:15 amMTY - IAD
1 stop10h 11mAir Canada
Deal found 9/10$547
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/263:10 pmIAD - MTY
2 stops26h 50mMultiple Airlines
Sun 11/25:00 amMTY - IAD
1 stop8h 02mMultiple Airlines
Deal found 9/11$569
This Aeromexico deal was found by Cheapflights users on 9/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:01 pmIAD - MTY
1 stop16h 48mAeromexico
Sun 12/710:33 pmMTY - IAD
1 stop14h 29mAeromexico
Deal found 9/11$572
This lol.travel deal was found by Cheapflights users on 9/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:05 pmIAD - MTY
1 stop8h 50mAeromexico
Fri 10/318:40 pmMTY - IAD
1 stop16h 22mAeromexico
Deal found 9/9$585
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 12/316:00 amIAD - MTY
2 stops10h 33mDelta
Thu 1/85:51 amMTY - IAD
1 stop7h 09mDelta
Deal found 9/9$587

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 September 11, 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

Sat 10/25

12:54 pm-4:00 pm

1 stop29h 06m

Monterrey Gen Mariano Escobedo

Fri 10/31

11:15 am-11:55 pm

2 stops34h 40m

$379

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Fri 10/24

10:11 am-4:00 pm

1 stop7h 49m

Monterrey Gen Mariano Escobedo

Fri 10/31

9:25 pm-3:02 pm

2 stops15h 37m

$412

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 10/25

10:20 am-7:10 pm

1 stop10h 50m

Monterrey Gen Mariano Escobedo

Sat 11/1

8:15 am-8:26 pm

1 stop10h 11m

$547

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 12/3

4:01 pm-12:17 am

1 stop9h 16m

Monterrey Gen Mariano Escobedo

Sun 12/7

10:33 pm-2:02 pm

1 stop14h 29m

$572

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Fri 10/24

5:05 pm-11:55 pm

1 stop8h 50m

Monterrey Gen Mariano Escobedo

Fri 10/31

8:40 pm-3:02 pm

1 stop16h 22m

$585

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Fri 10/10

7:05 am-11:10 am

1 stop6h 05m

Monterrey Gen Mariano Escobedo

Mon 10/13

12:25 pm-11:00 pm

1 stop8h 35m

$596

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 10/30

6:00 am-2:58 pm

1 stop10h 58m

Monterrey Gen Mariano Escobedo

Wed 11/5

1:10 pm-8:51 pm

1 stop6h 41m

$597

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 10/25

12:27 pm-5:05 pm

1 stop6h 38m

Monterrey Gen Mariano Escobedo

Fri 10/31

8:40 pm-3:02 pm

1 stop16h 22m

$620

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 12/3

5:29 pm-11:51 am

2 stops19h 22m

Monterrey Gen Mariano Escobedo

Sun 12/7

7:20 pm-1:34 pm

2 stops17h 14m

$639

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 10/25

12:27 pm-5:05 pm

1 stop6h 38m

Monterrey Gen Mariano Escobedo

Sat 11/1

9:47 am-11:00 pm

2 stops11h 13m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
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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 $244). 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 September 11, 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 September 11, 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
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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 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 16m. Air Canada provides one of the quickest options available for as low as $572. 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 $573 on this airline. Users have found that Delta is 23% 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 $244). 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.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$573Average$742FlexibilityNo cancel feeOn-timeN/A

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