$439 Cheap Flights from Mendoza (MDZ) to Washington (IAD)

View $439 flight on Tue, Dec 16, 2025Opens in a new window

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

Cheap Flights from Mendoza to Washington (MDZ-IAD)

Prices were available within the past 7 days and start at $439 for one-way flights and $744 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

GOL Linhas Aereas S.A.
Thu, Nov 20 - Sun, Nov 23
MDZ
Mendoza
IAD
Washington
$744 Roundtrip, found 5 days ago
$744
Roundtrip
found 5 days ago
Select GOL Linhas Aereas S.A. flight, departing Thu, Nov 20 from Mendoza to Washington, returning Sun, Nov 23, priced at $744 found 5 days ago
Copa
Sat, Dec 13 - Mon, Dec 29
MDZ
Mendoza
IAD
Washington
$772 Roundtrip, found 13 hours ago
$772
Roundtrip
found 13 hours ago
Select Copa flight, departing Sat, Dec 13 from Mendoza to Washington, returning Mon, Dec 29, priced at $772 found 13 hours ago
Copa
Sat, Dec 13 - Mon, Dec 29
MDZ
Mendoza
IAD
Washington
$793 Roundtrip, found 13 hours ago
$793
Roundtrip
found 13 hours ago
Select Copa flight, departing Sat, Dec 13 from Mendoza to Washington, returning Mon, Dec 29, priced at $793 found 13 hours ago
Copa
Sat, Dec 13 - Mon, Dec 29
MDZ
Mendoza
IAD
Washington
$813 Roundtrip, found 13 hours ago
$813
Roundtrip
found 13 hours ago
Select Copa flight, departing Sat, Dec 13 from Mendoza to Washington, returning Mon, Dec 29, priced at $813 found 13 hours ago
LATAM Airlines Group
Wed, Nov 19 - Tue, Dec 2
MDZ
Mendoza
IAD
Washington
$816 Roundtrip, found 3 days ago
$816
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Wed, Nov 19 from Mendoza to Washington, returning Tue, Dec 2, priced at $816 found 3 days ago
Copa
Fri, Feb 13 - Sun, Mar 1
MDZ
Mendoza
IAD
Washington
$820 Roundtrip, found 3 days ago
$820
Roundtrip
found 3 days ago
Select Copa flight, departing Fri, Feb 13 from Mendoza to Washington, returning Sun, Mar 1, priced at $820 found 3 days ago
Delta
Wed, Mar 4 - Sun, Mar 15
MDZ
Mendoza
IAD
Washington
$825 Roundtrip, found 3 days ago
$825
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Mar 4 from Mendoza to Washington, returning Sun, Mar 15, priced at $825 found 3 days ago
LATAM Airlines Group
Thu, Nov 20 - Sun, Nov 23
MDZ
Mendoza
IAD
Washington
$831 Roundtrip, found 5 days ago
$831
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Thu, Nov 20 from Mendoza to Washington, returning Sun, Nov 23, priced at $831 found 5 days ago
Copa
Sat, Dec 13 - Mon, Dec 29
MDZ
Mendoza
IAD
Washington
$834 Roundtrip, found 13 hours ago
$834
Roundtrip
found 13 hours ago
Select Copa flight, departing Sat, Dec 13 from Mendoza to Washington, returning Mon, Dec 29, priced at $834 found 13 hours ago
Aerolineas Argentinas
Wed, Feb 4 - Mon, Feb 16
MDZ
Mendoza
IAD
Washington
$844 Roundtrip, found 3 days ago
$844
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Wed, Feb 4 from Mendoza to Washington, returning Mon, Feb 16, priced at $844 found 3 days ago

Alternative airports near Washington

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

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $857
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $857

Frequently asked questions

How much does a flight from Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $439 or cheap return flight from $744 from Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD) 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 Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD)?
November is the cheapest month to fly from MDZ to IAD. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from MDZ to IAD, 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 most affordable options first.
How many flights per day from Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily nonstop flights from Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from MDZ to IAD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Later flights have a 22% higher chance of being 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 Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from MDZ to IAD are usually more expensive. For the best rates, start searching for flights early. That said, if you can play around with your travel dates, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a MDZ to IAD flight and hotel package?
Opting for a MDZ to IAD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose 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 Governor Francisco Gabrielli Intl. Airport (MDZ) to Washington Dulles Intl. Airport (IAD)?
In most instances, you can cancel or reschedule your MDZ to IAD flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
Governor Francisco Gabrielli Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Copa, LATAM Airlines Group
Roundtrip price
$743
Distance
4990 mi

Book with confidence

Mendoza to Washington Flights

The cheapest times to fly from Mendoza to Washington

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

 

The best time to book a flight from Mendoza to Washington

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

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 Mendoza to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $439 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 Mendoza to Washington 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 Mendoza to Washington 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.

 

Mendoza to Washington Flights

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*Available to One Key members.