HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Monterrey

$177+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MTY
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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

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 July 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Tue 9/18:59 am
IAD
-
MTY
1 stop12h 18m
Multiple Airlines
Tue 9/87:24 pm
MTY
-
IAD
2 stops17h 55m
Multiple Airlines
Deal found 7/18$414
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Wed 8/198:59 am
IAD
-
MTY
1 stop12h 21m
Multiple Airlines
Mon 8/247:35 pm
MTY
-
IAD
2 stops19h 39m
Multiple Airlines
Deal found 7/19$419
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sat 8/297:24 pm
IAD
-
MTY
1 stop23h 01m
Multiple Airlines
Sat 9/59:16 am
MTY
-
IAD
2 stops11h 36m
Multiple Airlines
Deal found 7/15$438
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Wed 7/299:50 am
IAD
-
MTY
1 stop11h 30m
Multiple Airlines
Tue 8/1112:05 pm
MTY
-
IAD
1 stop18h 15m
Multiple Airlines
Deal found 7/17$439
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Tue 8/119:38 pm
IAD
-
MTY
1 stop22h 57m
Multiple Airlines
Fri 8/216:00 am
MTY
-
IAD
2 stops33h 14m
Multiple Airlines
Deal found 7/16$444
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/247:24 pm
IAD
-
MTY
1 stop23h 01m
Multiple Airlines
Fri 8/287:35 pm
MTY
-
IAD
2 stops19h 39m
Multiple Airlines
Deal found 7/16$452
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Wed 7/299:50 am
IAD
-
MTY
1 stop11h 30m
Multiple Airlines
Sun 8/99:06 pm
MTY
-
IAD
2 stops19h 27m
Multiple Airlines
Deal found 7/17$458
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Wed 7/299:50 am
IAD
-
MTY
1 stop11h 30m
Multiple Airlines
Mon 8/1012:05 pm
MTY
-
IAD
1 stop18h 15m
Multiple Airlines
Deal found 7/17$464

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 July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$414
(Kiwi.com)

One-way from

$177
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$743
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. 18% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 19, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 8/19

8:59 am-7:20 pm

1 stop12h 21m

Monterrey Gen Mariano Escobedo

Mon 8/24

12:05 pm-8:04 am

1 stop17h 59m

$450

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 8/27

8:59 am-7:20 pm

1 stop12h 21m

Monterrey Gen Mariano Escobedo

Tue 9/8

9:16 am-10:52 pm

2 stops11h 36m

$500

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 8/10

10:10 pm-8:20 pm

2 stops24h 10m

Monterrey Gen Mariano Escobedo

Fri 8/21

9:20 am-8:24 pm

1 stop9h 04m

$602
Quickest round-trip

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 10/8

4:53 pm-11:09 pm

1 stop8h 16m

Monterrey Gen Mariano Escobedo

Thu 10/15

5:46 am-3:19 pm

1 stop7h 33m

$702

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 8/27

4:53 pm-11:54 pm

1 stop9h 01m

Monterrey Gen Mariano Escobedo

Tue 9/8

5:46 am-3:19 pm

1 stop7h 33m

$724
Cheapest one-way

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 10/5

10:19 pm-8:20 pm

1 stop24h 01m

$227

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 8/13

9:55 am-8:20 pm

1 stop12h 25m

$250

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 7/22

9:50 am-7:20 pm

1 stop11h 30m

$315

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Fri 8/21

5:20 pm-8:20 pm

1 stop29h 00m

$351

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 9/7

10:10 pm-8:20 pm

2 stops24h 10m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Monterrey

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Monterrey in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

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 July 19, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Monterrey, such as Delta and Aeromexico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,475 reviews

Entertainment

7.8

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,475 reviews
Delta
7.8
Good
8,475 reviews

Entertainment

7.8

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Aeromexico
7.4
Good
1,476 reviews
Delta
7.8
Good
8,475 reviews

Entertainment

7.8

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 2 different airlines.

  • 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 8h 16m. Air Canada provides one of the quickest options available for as low as $702. 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 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 $303 on this airline. An additional option worth looking into is Aeromexico, starting at $326. Users have found that Delta is 52% 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.

Complete your trip

Complete your trip to Monterrey by adding a car rental and/or hotel reservation to your travel itinerary.
Monterrey car rentals
Monterrey Gen Mariano Escobedo Airport car rentals
Saltillo Airport car rentals

Top 2 airlines flying from Dulles Intl to Monterrey

Discover the top 2 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 July 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$303Average$607FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$326Average$630FlexibilityNo 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.