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Mendoza

$349+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MDZ
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/25. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:19 pm
IAD
-
MDZ
2 stops19h 01m
LATAM Airlines
Wed 3/187:55 pm
MDZ
-
IAD
2 stops17h 44m
LATAM Airlines
Deal found 1/25$627
This Cheapflightsfares deal was found by Cheapflights users on 1/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:19 pm
IAD
-
MDZ
2 stops21h 41m
LATAM Airlines
Sun 3/2210:20 am
MDZ
-
IAD
2 stops27h 19m
LATAM Airlines
Deal found 1/25$740
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/152:18 am
IAD
-
MDZ
1 stop20h 51m
Copa Airlines
Sat 3/211:26 am
MDZ
-
IAD
1 stop27h 49m
Copa Airlines
Deal found 1/25$762
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:45 am
IAD
-
MDZ
3 stops37h 10m
Multiple Airlines
Sun 3/226:30 pm
MDZ
-
IAD
3 stops33h 10m
Multiple Airlines
Deal found 1/25$833
This Mytrip deal was found by Cheapflights users on 1/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:15 pm
IAD
-
MDZ
3 stops27h 14m
Multiple Airlines
Sat 3/217:30 pm
MDZ
-
IAD
2 stops34h 55m
Multiple Airlines
Deal found 1/25$865
This Copa Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 3/129:29 am
IAD
-
MDZ
1 stop13h 40m
Copa Airlines
Mon 3/301:30 am
MDZ
-
IAD
1 stop14h 32m
Copa Airlines
Deal found 1/26$881
This KAYAK deal was found by Cheapflights users on 1/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/141:19 pm
IAD
-
MDZ
2 stops19h 01m
LATAM Airlines
Sat 3/217:45 pm
MDZ
-
IAD
2 stops17h 54m
LATAM Airlines
Deal found 1/25$944
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:35 pm
IAD
-
MDZ
2 stops27h 35m
Multiple Airlines
Tue 3/319:00 pm
MDZ
-
IAD
2 stops18h 00m
Multiple Airlines
Deal found 1/26$1,013

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$627
(LATAM Airlines)

One-way from

$373
(Copa Airlines)

Popular in

November

Cheapest in

June

Average price

$794
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
Highest demand for flights based on searches. 11% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 26, 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

Dulles Intl

Fly to

Mendoza

Route

Depart

Return

Price

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 3/17

1:19 pm-9:20 am

2 stops19h 01m

Mendoza El Plumerillo

Wed 3/18

7:55 pm-12:39 pm

2 stops17h 44m

$627

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-12:00 pm

2 stops21h 41m

Mendoza El Plumerillo

Sun 3/22

10:20 am-12:39 pm

2 stops27h 19m

$740

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 3/15

2:18 am-12:09 am

1 stop20h 51m

Mendoza El Plumerillo

Sat 3/21

1:26 am-4:15 am

1 stop27h 49m

$762

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 3/16

6:45 am-8:55 pm

3 stops37h 10m

Mendoza El Plumerillo

Sun 3/22

6:30 pm-2:40 am

3 stops33h 10m

$833

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 3/14

5:15 pm-9:29 pm

3 stops27h 14m

Mendoza El Plumerillo

Sat 3/21

7:30 pm-5:25 am

2 stops34h 55m

$865

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 3/12

9:29 am-12:09 am

1 stop13h 40m

Mendoza El Plumerillo

Mon 3/30

1:30 am-3:02 pm

1 stop14h 32m

$881

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 3/14

1:19 pm-9:20 am

2 stops19h 01m

Mendoza El Plumerillo

Sat 3/21

7:45 pm-12:39 pm

2 stops17h 54m

$944

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-8:10 pm

2 stops27h 35m

Mendoza El Plumerillo

Tue 3/31

9:00 pm-2:00 pm

2 stops18h 00m

$1,013

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 3/14

4:35 pm-12:09 am

1 stop30h 34m

Mendoza El Plumerillo

Fri 3/20

1:26 am-12:32 am

1 stop24h 06m

$1,013

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 3/12

1:19 pm-6:40 am

2 stops40h 21m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 12 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Mendoza flight deals on Cheapflights vs. FlightHub >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 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-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 January 26, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Mendoza, such as Copa Airlines and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,558 reviews

Boarding

7.8

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
Copa Airlines
7.6
Good
1,558 reviews
Copa Airlines
7.6
Good
1,558 reviews

Boarding

7.8

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.
LATAM Airlines
7.5
Good
1,912 reviews
Copa Airlines
7.6
Good
1,558 reviews

Boarding

7.8

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

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 2 airlines. 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 01m. Airlines will cover a distance of 4987 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying 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 $669. Another airline that can offer you cheap pricing is Copa Airlines.

  • 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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Top 2 airlines flying from Dulles Intl to Mendoza

Discover the top 2 airlines 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$669Average$887FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$971Average$1,189FlexibilityNo cancel feeOn-time70%

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