$275 Cheap Flights from Washington (IAD) to Mendoza (MDZ)

View $275 flight on Mon, Mar 30, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Mendoza (MDZ-Governor Francisco Gabrielli Intl.)

Cheap Flights from Washington to Mendoza (IAD-MDZ)

Prices were available within the past 7 days and start at $275 for one-way flights and $645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Nov 12 - Thu, Nov 13
IAD
Washington
MDZ
Mendoza
$645 Roundtrip, found 5 days ago
$645
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 12 from Washington to Mendoza, returning Thu, Nov 13, priced at $645 found 5 days ago
Delta
Sat, Jan 24 - Fri, Feb 6
IAD
Washington
MDZ
Mendoza
$650 Roundtrip, found 1 day ago
$650
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 24 from Washington to Mendoza, returning Fri, Feb 6, priced at $650 found 1 day ago
Delta
Thu, Nov 27 - Fri, Dec 5
IAD
Washington
MDZ
Mendoza
$660 Roundtrip, found 3 days ago
$660
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 27 from Washington to Mendoza, returning Fri, Dec 5, priced at $660 found 3 days ago
Delta
Sun, Dec 7 - Fri, Dec 19
IAD
Washington
MDZ
Mendoza
$665 Roundtrip, found 1 day ago
$665
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Dec 7 from Washington to Mendoza, returning Fri, Dec 19, priced at $665 found 1 day ago
LATAM Airlines Group
Thu, Nov 6 - Mon, Nov 10
IAD
Washington
MDZ
Mendoza
$670 Roundtrip, found 2 hours ago
$670
Roundtrip
found 2 hours ago
Select LATAM Airlines Group flight, departing Thu, Nov 6 from Washington to Mendoza, returning Mon, Nov 10, priced at $670 found 2 hours ago
United
Sat, Jan 31 - Tue, Feb 17
IAD
Washington
MDZ
Mendoza
$671 Roundtrip, found 3 days ago
$671
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 31 from Washington to Mendoza, returning Tue, Feb 17, priced at $671 found 3 days ago
Copa
Sun, Nov 30 - Wed, Dec 3
IAD
Washington
MDZ
Mendoza
$676 Roundtrip, found 3 days ago
$676
Roundtrip
found 3 days ago
Select Copa flight, departing Sun, Nov 30 from Washington to Mendoza, returning Wed, Dec 3, priced at $676 found 3 days ago
LATAM Airlines Group
Sat, Jan 31 - Sun, Feb 15
IAD
Washington
MDZ
Mendoza
$677 Roundtrip, found 1 day ago
$677
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sat, Jan 31 from Washington to Mendoza, returning Sun, Feb 15, priced at $677 found 1 day ago
LATAM Airlines Group
Mon, Dec 1 - Fri, Dec 5
IAD
Washington
MDZ
Mendoza
$681 Roundtrip, found 1 day ago
$681
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Mon, Dec 1 from Washington to Mendoza, returning Fri, Dec 5, priced at $681 found 1 day ago
Aeromexico
Thu, Nov 20 - Mon, Nov 24
IAD
Washington
MDZ
Mendoza
$719 Roundtrip, found 14 hours ago
$719
Roundtrip
found 14 hours ago
Select Aeromexico flight, departing Thu, Nov 20 from Washington to Mendoza, returning Mon, Nov 24, priced at $719 found 14 hours ago

Alternative airports near Mendoza

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

Select flight to Governor Francisco Gabrielli Intl. MDZ. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $695
MDZ
Governor Francisco Gabrielli Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $695

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ) cost?
Snag a cheap one-way flight from $275 or cheap return flight from $645 from Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between IAD and MDZ. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ)?
To find the cheapest airline that'll fly you from IAD to MDZ, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ)?
There aren't any daily direct flights available from Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from IAD to MDZ?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, time of year and other factors.*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 Governor Francisco Gabrielli Intl. Airport (MDZ)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**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 Governor Francisco Gabrielli Intl. Airport (MDZ) last-minute?
Last-minute fares from IAD to MDZ are generally more expensive. For the lowest prices, start looking for flights ahead of time. That said, if your travel plans are flexible, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book an IAD to MDZ flight and hotel package?
Securing an IAD to MDZ flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Governor Francisco Gabrielli Intl. Airport (MDZ)?
It's usually possible to cancel or reschedule your IAD to MDZ flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Governor Francisco Gabrielli Intl.
Airlines serving
Copa, Delta, LATAM Airlines Group
Roundtrip price
$644
Distance
4990 mi

Book with confidence

Washington to Mendoza Flights

The cheapest times to fly from Washington to Mendoza

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 Mendoza are during the month of November. You can find some of the cheapest flights from Washington to Mendoza with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Mendoza

Sunday is one of the best days to book for cheap flights from Washington to Mendoza: 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 Mendoza

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 Mendoza in 2025. You can also book with separate airlines for your outbound and return journeys, from $275 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 Mendoza 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 Mendoza 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.

 

Washington to Mendoza Flights

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*Available to One Key members.