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Mendoza

$346+ Cheap flights from Dulles Intl (IAD) to Mendoza (MDZ)

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MDZ
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Dulles Intl to Mendoza

Cheapest flights from Dulles Intl to Mendoza
Explore the most affordable flight options available from Dulles Intl to Mendoza. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Mytrip deal was found by Cheapflights users on 7/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:34 pm
IAD
-
MDZ
1 stop30h 48m
Multiple Airlines
Thu 9/175:05 pm
MDZ
-
IAD
2 stops22h 10m
Multiple Airlines
Deal found 7/23$790
This Flightnetwork deal was found by Cheapflights users on 7/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:34 pm
IAD
-
MDZ
1 stop30h 48m
Copa Airlines
Wed 9/161:25 am
MDZ
-
IAD
1 stop24h 07m
Copa Airlines
Deal found 7/23$808
This Copa Airlines deal was found by Cheapflights users on 7/23. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:34 pm
IAD
-
MDZ
1 stop30h 48m
Copa Airlines
Tue 10/201:25 am
MDZ
-
IAD
1 stop24h 07m
Copa Airlines
Deal found 7/23$816
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:07 pm
IAD
-
MDZ
2 stops35h 13m
Delta
Mon 10/197:35 am
MDZ
-
IAD
2 stops17h 56m
Delta
Deal found 7/23$828
This Orbitz deal was found by Cheapflights users on 7/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:29 pm
IAD
-
MDZ
2 stops29h 34m
LATAM Airlines
Sun 8/237:35 am
MDZ
-
IAD
2 stops28h 58m
LATAM Airlines
Deal found 7/24$830
This oojo deal was found by Cheapflights users on 7/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:15 am
IAD
-
MDZ
2 stops43h 05m
LATAM Airlines
Sun 10/1111:51 am
MDZ
-
IAD
2 stops30h 42m
LATAM Airlines
Deal found 7/20$836
This Copa Airlines deal was found by Cheapflights users on 7/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:34 pm
IAD
-
MDZ
1 stop30h 48m
Copa Airlines
Sun 10/111:25 am
MDZ
-
IAD
1 stop27h 55m
Copa Airlines
Deal found 7/25$839
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:26 pm
IAD
-
MDZ
2 stops47h 37m
LATAM Airlines
Mon 10/127:35 am
MDZ
-
IAD
2 stops26h 37m
LATAM Airlines
Deal found 7/24$842
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/204:34 pm
IAD
-
MDZ
1 stop30h 51m
Multiple Airlines
Sun 8/236:30 pm
MDZ
-
IAD
2 stops31h 03m
Multiple Airlines
Deal found 7/24$843
This LATAM Airlines deal was found by Cheapflights users on 7/23. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:26 pm
IAD
-
MDZ
2 stops47h 37m
Multiple Airlines
Mon 10/127:35 am
MDZ
-
IAD
2 stops57h 24m
Multiple Airlines
Deal found 7/23$844
This oojo deal was found by Cheapflights users on 7/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:03 pm
IAD
-
MDZ
2 stops38h 17m
LATAM Airlines
Sat 9/197:35 am
MDZ
-
IAD
2 stops26h 34m
LATAM Airlines
Deal found 7/21$851

Find flight deals from Dulles Intl to Mendoza

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Mendoza (MDZ). 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 25, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$790
(Mytrip)

One-way from

$346
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Mendoza El Plumerillo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Mendoza El Plumerillo flights.
Search Deals
From Washington, D.C. Dulles Intl to Mendoza El Plumerillo
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Mendoza El Plumerillo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Mendoza 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 25, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Mendoza that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Wed 10/14

4:34 pm-12:22 am

1 stop30h 48m

Mendoza El Plumerillo

Sat 10/17

1:25 am-12:32 am

1 stop24h 07m

$816

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 9/22

6:07 pm-6:20 am

2 stops35h 13m

Mendoza El Plumerillo

Sat 10/24

7:35 am-12:31 am

2 stops17h 56m

$828

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 9/3

10:16 am-6:20 am

2 stops19h 04m

Mendoza El Plumerillo

Tue 9/8

7:50 pm-5:46 pm

2 stops22h 56m

$828

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Fri 9/25

6:26 pm-6:20 am

2 stops34h 54m

Mendoza El Plumerillo

Mon 10/19

7:35 am-12:31 am

2 stops17h 56m

$828
Quickest round-trip

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 10/13

9:35 am-12:22 am

1 stop13h 47m

Mendoza El Plumerillo

Sat 10/17

1:25 am-12:32 am

1 stop24h 07m

$839

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 9/28

4:34 pm-12:22 am

1 stop30h 48m

Mendoza El Plumerillo

Sun 10/11

1:25 am-4:20 am

1 stop27h 55m

$839

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 9/28

6:26 pm-7:03 pm

2 stops47h 37m

Mendoza El Plumerillo

Mon 10/12

7:35 am-9:12 am

2 stops26h 37m

$842

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 9/28

6:26 pm-7:03 pm

2 stops47h 37m

Mendoza El Plumerillo

Mon 10/12

7:35 am-3:59 pm

2 stops57h 24m

$844

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Wed 10/14

8:25 am-6:20 am

2 stops20h 55m

Mendoza El Plumerillo

Sun 10/18

7:35 am-5:33 pm

2 stops34h 58m

$886

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 9/24

12:25 pm-4:15 pm

2 stops26h 50m

Mendoza El Plumerillo

Sun 10/18

7:35 am-12:31 am

2 stops17h 56m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 21 resultsSorted by cheapest first
1
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3

Compare providers for flights from Dulles Intl to Mendoza

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 Mendoza in July.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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-Mendoza flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C. Dulles Intl Airport-Mendoza flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Mendoza 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-Mendoza flights, Cheapflights users trust Ovago the most. Ovago 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-Mendoza 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 Mendoza

Have a flexible travel schedule? Discover the best time to fly to Mendoza 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 Mendoza

Get insights into the airlines that provide service to Mendoza. 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 Mendoza. Reviews last updated July 25, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Mendoza, such as Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,560 reviews

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Boarding

7.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class
Copa Airlines
7.6
Good
1,560 reviews
Copa Airlines
7.6
Good
1,560 reviews

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Boarding

7.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Mendoza. 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 Mendoza from Washington, D.C. Dulles Intl?

    Most people fly into Mendoza El Plumerillo (MDZ) if they book a flight to Mendoza from Washington, D.C. Dulles Intl. On average, El Plumerillo has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Mendoza El Plumerillo is conveniently located just 5.1 mi from Mendoza’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Mendoza?

    Departing from Washington, D.C. Dulles Intl Airport to Mendoza will take you 19h 04m. Airlines will cover a distance of 4987 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Mendoza round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Mendoza round-trip from $808.

  • Can I find deals for flights from Dulles Intl to Mendoza that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Mendoza flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Mendoza?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Mendoza.

  • Can I find deals for business class flights from Dulles Intl to Mendoza?

    Yes. Cheapflights offers flight deals from Dulles Intl to Mendoza 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

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Alternative routes for Dulles Intl to Mendoza

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Jorge Newbery flights
Dulles Intl to Ushuaia flights
Dulles Intl to Salta flights
Dulles Intl to Mar del Plata flights

Top airline flying from Dulles Intl to Mendoza

Discover the top airline that operate flights from Dulles Intl to Mendoza. 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$808Average$1,159FlexibilityNo cancel feeOn-time70%

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