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Mendoza

$275+ Cheap flights from Washington, D.C. (WAS) 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MDZ
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Washington, D.C. to Mendoza

Cheapest flights from Washington, D.C. to Mendoza
Explore the most affordable flight options available from Washington, D.C. to Mendoza. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This LATAM Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/1412:11 pmIAD - MDZ
2 stops28h 34mLATAM Airlines
Mon 11/247:50 amMDZ - IAD
2 stops27h 20mLATAM Airlines
Deal found 10/15$640
This LATAM Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/2911:10 amDCA - MDZ
2 stops30h 00mMultiple Airlines
Sat 12/67:45 pmMDZ - DCA
2 stops29h 13mMultiple Airlines
Deal found 10/15$646
This Copa Airlines deal was found by Cheapflights users on 10/15. 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 10/302:25 amIAD - MDZ
1 stop20h 49mCopa Airlines
Sat 11/81:17 amMDZ - IAD
1 stop14h 45mCopa Airlines
Deal found 10/15$648
This LATAM Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 10/317:05 amIAD - MDZ
2 stops22h 35mLATAM Airlines
Sun 11/910:20 amMDZ - IAD
2 stops27h 11mLATAM Airlines
Deal found 10/15$665
This Copa Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 10/319:34 amIAD - MDZ
1 stop13h 40mCopa Airlines
Sun 11/91:17 amMDZ - IAD
1 stop14h 45mCopa Airlines
Deal found 10/14$668
This Copa Airlines deal was found by Cheapflights users on 10/13. 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 11/61:13 amIAD - MDZ
1 stop21h 01mCopa Airlines
Mon 11/101:17 amMDZ - IAD
1 stop28h 05mCopa Airlines
Deal found 10/13$676
This SmartFares deal was found by Cheapflights users on 10/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:10 amDCA - MDZ
2 stops20h 10mLATAM Airlines
Sat 11/157:50 amMDZ - DCA
2 stops17h 51mLATAM Airlines
Deal found 10/16$684
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Sat 11/83:24 pmIAD - MDZ
1 stop30h 50mCopa Airlines
Fri 11/141:17 amMDZ - IAD
1 stop28h 05mCopa Airlines
Deal found 10/16$684
This LATAM Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/76:59 amDCA - MDZ
2 stops21h 41mLATAM Airlines
Tue 11/111:00 pmMDZ - DCA
2 stops26h 58mLATAM Airlines
Deal found 10/14$697
This LATAM Airlines deal was found by Cheapflights users on 10/13. 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.
Fri 11/76:40 amIAD - MDZ
2 stops22h 00mLATAM Airlines
Tue 11/111:00 pmMDZ - IAD
2 stops24h 31mLATAM Airlines
Deal found 10/13$697
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sat 11/293:42 pmBWI - MDZ
1 stop30h 32mCopa Airlines
Fri 12/51:17 amMDZ - BWI
1 stop14h 53mCopa Airlines
Deal found 10/15$726
This Copa Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/281:13 amIAD - MDZ
1 stop21h 01mCopa Airlines
Fri 12/51:17 amMDZ - IAD
1 stop14h 45mCopa Airlines
Deal found 10/15$769

Cheap flight deals from Washington, D.C. to Mendoza

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$640
(LATAM Airlines)

One-way from

$275
(LATAM Airlines)

Popular in

November

Cheapest in

June

Average price

$981
Provider with most accurate pricing for Washington, D.C. (WAS)-Mendoza El Plumerillo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Mendoza El Plumerillo flights.
Search Deals
From Washington, D.C. (WAS) to Mendoza El Plumerillo
Search Deals
One-way flight from Washington, D.C. (WAS) to Mendoza El Plumerillo
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Mendoza that are best for you.

Fly from

Washington, D.C.

Fly to

Mendoza

Route

Depart

Return

Price

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Fri 11/14

12:11 pm-6:45 pm

2 stops28h 34m

Mendoza El Plumerillo

Sun 11/23

7:55 pm-11:31 am

2 stops17h 36m

$640

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Fri 10/31

7:05 am-6:40 am

2 stops22h 35m

Mendoza El Plumerillo

Mon 11/10

7:50 am-12:16 am

2 stops18h 26m

$640

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 11/8

12:09 pm-9:20 am

2 stops19h 11m

Mendoza El Plumerillo

Sat 11/15

7:50 am-11:19 pm

2 stops17h 29m

$640

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Fri 11/14

12:11 pm-6:45 pm

2 stops28h 34m

Mendoza El Plumerillo

Mon 11/24

7:50 am-9:10 am

2 stops27h 20m

$640

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Sat 11/29

11:10 am-7:10 pm

2 stops30h 00m

Mendoza El Plumerillo

Sat 12/6

7:45 pm-10:58 pm

2 stops29h 13m

$646

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 10/30

2:25 am-12:14 am

1 stop20h 49m

Mendoza El Plumerillo

Sat 11/8

1:17 am-2:02 pm

1 stop14h 45m

$648

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 11/13

1:13 am-12:14 am

1 stop21h 01m

Mendoza El Plumerillo

Sat 11/22

1:17 am-2:02 pm

1 stop14h 45m

$648

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 11/13

1:13 am-12:14 am

1 stop21h 01m

Mendoza El Plumerillo

Sun 11/23

1:17 am-2:02 pm

1 stop14h 45m

$648

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 10/30

2:25 am-12:14 am

1 stop20h 49m

Mendoza El Plumerillo

Sun 11/9

1:17 am-2:02 pm

1 stop14h 45m

$648

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Fri 10/31

10:11 am-6:40 am

2 stops19h 29m

Mendoza El Plumerillo

Sun 11/9

10:20 am-11:31 am

2 stops27h 11m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 37 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Mendoza in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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.-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.-Mendoza flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Mendoza flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-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.-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 Washington, D.C. to Mendoza

Have a flexible travel schedule? Discover the best time to fly to Mendoza from Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Mendoza

What is the cheapest time of day to fly from WAS to MDZ?

Find hourly flight availability from Washington, D.C. to Mendoza. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 84% on flights from Washington, D.C. to Mendoza by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Washington, D.C. to Mendoza?

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 October 16, 2025.
Peruse reviews from past customers who have flown with Copa Airlines and LATAM Airlines from Washington, D.C. to Mendoza to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,551 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,551 reviews
Copa Airlines
7.6
Good
1,551 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
LATAM Airlines
7.5
Good
1,866 reviews
Copa Airlines
7.6
Good
1,551 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

    Located just 5.1 mi from the city center, Mendoza El Plumerillo is the airport most travelers will use when flying to Mendoza from Washington, D.C.. Booking flights from Washington, D.C. to El Plumerillo (MDZ) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 2 different airlines.

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

    For as low as $648, LATAM Airlines can have you in Mendoza from Washington, D.C. in 20h 49m. Washington, D.C. and Mendoza are separated by a distance of 4987 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to Mendoza round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Mendoza round-trip from $669. Another airline that can offer you cheap pricing is Copa Airlines. LATAM Airlines is currently priced 24% below the average price you’ll pay for this route.

  • What are the most popular routes from Washington, D.C. to Mendoza?

    While some choose either Washington, D.C. Reagan-National - Mendoza El Plumerillo or Baltimore/Washington - Mendoza El Plumerillo, Washington, D.C. Dulles Intl - Mendoza El Plumerillo is the most popular route from Washington, D.C. to Mendoza.

  • Can I find deals for flights from Washington, D.C. to Mendoza that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Mendoza flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Mendoza?

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

  • Can I find deals for business class flights from Washington, D.C. to Mendoza?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Mendoza

Discover the top 2 airlines that operate flights from Washington, D.C. 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$669Average$897FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$971Average$1,488FlexibilityNo cancel feeOn-time70%

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