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Monterrey

$166+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MTY
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
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 July 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Mon 8/109:50 am
IAD
-
MTY
2 stops23h 50m
Multiple Airlines
Fri 8/2111:30 am
MTY
-
IAD
1 stop28h 59m
Multiple Airlines
Deal found 7/9$400
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Tue 8/118:33 pm
IAD
-
MTY
2 stops15h 47m
Multiple Airlines
Fri 8/2111:30 am
MTY
-
IAD
1 stop28h 59m
Multiple Airlines
Deal found 7/9$414
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Wed 8/268:59 am
IAD
-
MTY
1 stop12h 21m
Multiple Airlines
Thu 8/276:00 am
MTY
-
IAD
2 stops14h 52m
Multiple Airlines
Deal found 7/10$420
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/218:39 pm
IAD
-
MTY
2 stops15h 41m
Multiple Airlines
Fri 8/2811:30 am
MTY
-
IAD
1 stop28h 59m
Multiple Airlines
Deal found 7/9$436
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/118:33 pm
IAD
-
MTY
2 stops15h 47m
Multiple Airlines
Tue 8/189:15 am
MTY
-
IAD
1 stop22h 52m
Multiple Airlines
Deal found 7/12$452
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Mon 8/107:18 pm
IAD
-
MTY
1 stop23h 52m
Multiple Airlines
Thu 8/207:35 pm
MTY
-
IAD
2 stops19h 39m
Multiple Airlines
Deal found 7/9$458

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 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$400
(Kiwi.com)

One-way from

$166
(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 13, 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

Tue 9/8

9:55 am-8:20 pm

1 stop12h 25m

Monterrey Gen Mariano Escobedo

Mon 9/14

9:20 am-8:25 pm

1 stop9h 05m

$508

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Fri 8/7

9:50 am-7:20 pm

1 stop11h 30m

Monterrey Gen Mariano Escobedo

Fri 8/14

12:05 pm-8:20 am

1 stop18h 15m

$553

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 8/10

7:18 pm-5:10 pm

1 stop23h 52m

Monterrey Gen Mariano Escobedo

Thu 8/20

12:05 pm-8:04 am

1 stop17h 59m

$571

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 11/23

5:37 pm-11:15 pm

2 stops30h 38m

Monterrey Gen Mariano Escobedo

Sun 11/29

11:45 am-3:53 pm

2 stops27h 08m

$675
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

6:01 am-3:19 pm

1 stop7h 18m

$681

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 8/10

4:50 pm-11:43 pm

1 stop8h 53m

Monterrey Gen Mariano Escobedo

Thu 8/20

5:47 am-3:19 pm

1 stop7h 32m

$702
Cheapest one-way

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Mon 10/5

9:16 pm-4:20 pm

2 stops45h 04m

$166

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Thu 8/27

8:59 am-7:35 am

2 stops24h 36m

$167

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Sat 10/17

1:38 pm-9:13 am

2 stops21h 35m

$169

Washington, D.C.Monterrey

IAD - MTY

IADMTY

Washington, D.C. Dulles Intl

Wed 11/4

7:00 am-10:25 am

2 stops28h 25m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 13 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Monterrey

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Monterrey?

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 13, 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
8,465 reviews

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

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
8,465 reviews
Delta
7.8
Good
8,465 reviews

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

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
1,477 reviews
Delta
7.8
Good
8,465 reviews

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

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 12h 25m. Air Canada provides one of the quickest options available for as low as $508. There are 1597 mi between Washington, D.C. Dulles Intl Airport and Monterrey.

  • 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?

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San Pedro Garza Garcia

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Complete your trip

Complete your trip to Monterrey by adding a car rental and/or hotel reservation to your travel itinerary.
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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 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$303Average$678FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$326Average$630FlexibilityNo cancel feeOn-timeN/A

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