$164 Cheap Flights from Washington (IAD) to Monterrey (MTY)

View $164 flight on Tue, Mar 3, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY)

Cheap Flights from Washington to Monterrey (IAD-MTY)

Prices were available within the past 7 days and start at $164 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jan 12 - Mon, Feb 9
IAD
Washington
MTY
Monterrey
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 12 from Washington to Monterrey, returning Mon, Feb 9, priced at $308 found 3 days ago
American Airlines
Mon, Jan 12 - Sun, Feb 8
IAD
Washington
MTY
Monterrey
$313 Roundtrip, found 3 days ago
$313
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 12 from Washington to Monterrey, returning Sun, Feb 8, priced at $313 found 3 days ago
Delta
Tue, Mar 24 - Tue, Apr 7
IAD
Washington
MTY
Monterrey
$314 Roundtrip, found 18 hours ago
$314
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Mar 24 from Washington to Monterrey, returning Tue, Apr 7, priced at $314 found 18 hours ago
Aeromexico
Mon, Nov 10 - Wed, Nov 19
IAD
Washington
MTY
Monterrey
$318 Roundtrip, found 12 hours ago
$318
Roundtrip
found 12 hours ago
Select Aeromexico flight, departing Mon, Nov 10 from Washington to Monterrey, returning Wed, Nov 19, priced at $318 found 12 hours ago
Aeromexico
Thu, Dec 4 - Mon, Dec 8
IAD
Washington
MTY
Monterrey
$323 Roundtrip, found 4 hours ago
$323
Roundtrip
found 4 hours ago
Select Aeromexico flight, departing Thu, Dec 4 from Washington to Monterrey, returning Mon, Dec 8, priced at $323 found 4 hours ago
Aeromexico
Mon, Mar 23 - Tue, Apr 7
IAD
Washington
MTY
Monterrey
$324 Roundtrip, found 18 hours ago
$324
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Mon, Mar 23 from Washington to Monterrey, returning Tue, Apr 7, priced at $324 found 18 hours ago
Delta
Thu, Nov 6 - Mon, Nov 10
IAD
Washington
MTY
Monterrey
$328 Roundtrip, found 7 hours ago
$328
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Nov 6 from Washington to Monterrey, returning Mon, Nov 10, priced at $328 found 7 hours ago
Aeromexico
Wed, Apr 15 - Thu, Apr 30
IAD
Washington
MTY
Monterrey
$329 Roundtrip, found 18 hours ago
$329
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Wed, Apr 15 from Washington to Monterrey, returning Thu, Apr 30, priced at $329 found 18 hours ago
United
Fri, Nov 7 - Sat, Nov 15
IAD
Washington
MTY
Monterrey
$395 Roundtrip, found 12 hours ago
$395
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Nov 7 from Washington to Monterrey, returning Sat, Nov 15, priced at $395 found 12 hours ago
Air Canada
Sat, Jan 24 - Sat, Jan 31
IAD
Washington
MTY
Monterrey
$494 Roundtrip, just found
$494
Roundtrip
just found
Select Air Canada flight, departing Sat, Jan 24 from Washington to Monterrey, returning Sat, Jan 31, priced at $494 just found

Find the cheapest month to fly from Washington (IAD) to Monterrey (MTY)

May is typically the cheapest month to fly

From $418 - $781 per traveler.

Alternative airports near Monterrey

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Mariano Escobedo Intl. MTY. Cheapest option available. Average driving time to city center is 27 minutes. Flights from $349
MTY
General Mariano Escobedo Intl.
Cheapest
Average driving time to city center27 min
Flights from $349
Flights from Washington (IAD) to Monterrey (MTY)
Origin airport
Washington Dulles Intl.
Destination airport
General Mariano Escobedo Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, United
Roundtrip price
$307
Distance
1598 mi

Washington to Monterrey Flights

The cheapest times to fly from Washington to Monterrey

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Monterrey are during the month of January. You can find some of the cheapest flights from Washington to Monterrey with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Monterrey

Sunday is one of the best days to book for cheap flights from Washington to Monterrey: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Monterrey

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Monterrey in 2025. You can also book with separate airlines for your outbound and return journeys, from $164 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Monterrey flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Monterrey airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY) cost?
Lock in a cheap one-way flight from $164 or cheap return flight from $308 from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY)?
The cheapest month to fly from IAD to MTY is January, when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAD to MTY flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY)?
You'll need to take a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IAD to MTY?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY)?
To touch down at General Mariano Escobedo Intl. Airport (MTY) without delays, book a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY) last-minute?
Last-minute fares from IAD to MTY are usually more expensive. For the lowest prices, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book an IAD to MTY flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to MTY flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our extensive range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to General Mariano Escobedo Intl. Airport (MTY)?
Typically, you can cancel or modify your IAD to MTY flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.