HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MDZ
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Mendoza with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 13, 2025.

This Copa Airlines deal was found by Cheapflights users on 11/11. 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 11/131:13 amIAD - MDZ
1 stop21h 01mCopa Airlines
Sat 11/221:17 amMDZ - IAD
1 stop14h 45mCopa Airlines
Deal found 11/11$648
This Expedia deal was found by Cheapflights users on 11/11. 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.
Tue 12/95:59 pmIAD - MDZ
2 stops34h 41mLATAM Airlines
Tue 12/161:00 pmMDZ - IAD
2 stops24h 39mLATAM Airlines
Deal found 11/11$670
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:24 pmIAD - MDZ
1 stop30h 50mMultiple Airlines
Fri 11/2110:20 pmMDZ - IAD
2 stops32h 05mMultiple Airlines
Deal found 11/13$695
This LATAM Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 11/154:10 pmDCA - MDZ
2 stops36h 30mMultiple Airlines
Sat 11/227:45 pmMDZ - DCA
2 stops21h 05mMultiple Airlines
Deal found 11/13$701
This LATAM Airlines deal was found by Cheapflights users on 11/11. 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.
Sun 11/306:07 amDCA - MDZ
2 stops25h 13mLATAM Airlines
Wed 12/37:55 pmMDZ - DCA
2 stops20h 06mLATAM Airlines
Deal found 11/11$711
This LATAM Airlines deal was found by Cheapflights users on 11/11. 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 11/11$711
This SmartFares deal was found by Cheapflights users on 11/11. 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.
Tue 12/92:25 pmDCA - MDZ
3 stops26h 45mLATAM Airlines
Tue 12/161:00 pmMDZ - DCA
3 stops51h 01mLATAM Airlines
Deal found 11/11$717
This Ovago deal was found by Cheapflights users on 11/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:01 amIAD - MDZ
2 stops21h 39mLATAM Airlines
Sun 11/237:50 amMDZ - IAD
2 stops29h 52mLATAM Airlines
Deal found 11/11$737
This LATAM Airlines deal was found by Cheapflights users on 11/11. 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 12/912:30 pmIAD - MDZ
2 stops40h 10mMultiple Airlines
Tue 12/161:00 pmMDZ - IAD
3 stops48h 24mMultiple Airlines
Deal found 11/11$744
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:42 pmBWI - MDZ
1 stop30h 32mMultiple Airlines
Fri 11/2110:20 pmMDZ - BWI
2 stops17h 49mMultiple Airlines
Deal found 11/13$783
This Copa Airlines deal was found by Cheapflights users on 11/12. 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 11/131:13 amIAD - MDZ
1 stop21h 01mCopa Airlines
Sun 11/231:17 amMDZ - IAD
1 stop14h 45mCopa Airlines
Deal found 11/12$790
This LATAM Airlines deal was found by Cheapflights users on 11/11. 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.
Sun 12/72:25 pmDCA - MDZ
2 stops16h 55mLATAM Airlines
Sat 1/177:50 amMDZ - DCA
2 stops17h 44mLATAM Airlines
Deal found 11/11$813

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$616
(LATAM Airlines)

One-way from

$275
(LATAM Airlines)

Popular in

December

Cheapest in

June

Average price

$703
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. 5% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 13, 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

Sat 1/17

5:59 pm-6:40 am

2 stops34h 41m

Mendoza El Plumerillo

Fri 1/23

7:50 am-12:24 am

2 stops18h 34m

$670

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 11/16

3:24 pm-12:14 am

1 stop30h 50m

Mendoza El Plumerillo

Fri 11/21

10:20 pm-4:25 am

2 stops32h 05m

$695

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Sun 11/30

6:07 am-9:20 am

2 stops25h 13m

Mendoza El Plumerillo

Wed 12/3

7:55 pm-2:01 pm

2 stops20h 06m

$711

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 12/13

12:19 pm-9:20 am

2 stops19h 01m

Mendoza El Plumerillo

Sat 12/20

7:45 pm-4:48 pm

2 stops23h 03m

$711

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Tue 12/9

2:25 pm-7:10 pm

3 stops26h 45m

Mendoza El Plumerillo

Tue 12/16

1:00 pm-2:01 pm

3 stops51h 01m

$717

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 12/9

12:30 pm-6:40 am

2 stops40h 10m

Mendoza El Plumerillo

Tue 12/16

1:00 pm-11:24 am

3 stops48h 24m

$744

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Sun 12/7

2:25 pm-9:20 am

2 stops16h 55m

Mendoza El Plumerillo

Sat 1/17

7:50 am-11:34 pm

2 stops17h 44m

$813

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 12/7

12:19 pm-9:20 am

2 stops19h 01m

Mendoza El Plumerillo

Sat 1/17

7:50 am-11:37 pm

2 stops17h 47m

$813

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Sat 12/13

11:13 am-9:20 am

2 stops20h 07m

Mendoza El Plumerillo

Sat 12/20

7:45 pm-10:59 pm

2 stops29h 14m

$831

BaltimoreMendoza

BWI - MDZ

BWIMDZ

Baltimore/Washington

Thu 3/12

7:00 pm-4:15 pm

2 stops20h 15m

Mendoza El Plumerillo

Tue 3/31

2:20 pm-9:45 am

2 stops20h 25m

$832

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 35 results
1
2
3
4

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Mendoza flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 November 13, 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
1,563 reviews

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.8

Food

6.9

Entertainment

6.8

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
1,563 reviews
Copa Airlines
7.6
Good
1,563 reviews

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.8

Food

6.9

Entertainment

6.8

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
1,874 reviews
Copa Airlines
7.6
Good
1,563 reviews

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.8

Food

6.9

Entertainment

6.8

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 $832, LATAM Airlines can have you in Mendoza from Washington, D.C. in 20h 15m. Washington, D.C. and Mendoza are separated by a distance of 4997 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 18% 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$669Average$887FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$971Average$1,837FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.