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Mendoza

$584+ Cheap flights from Washington, D.C. (WAS) to Mendoza (MDZ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MDZ
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Mendoza

Best flights from Washington, D.C. to Mendoza
Discover carefully curated flight deals from Washington, D.C. to Mendoza that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This LATAM Airlines deal was found by Cheapflights users on 12/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:50 pmDCA - MDZ
2 stops26h 20mLATAM Airlines
Thu 3/1212:55 pmMDZ - DCA
2 stops29h 05mLATAM Airlines
Deal found 12/26$584
This LATAM Airlines deal was found by Cheapflights users on 12/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/152:00 pmDCA - MDZ
2 stops17h 20mMultiple Airlines
Sat 2/287:45 pmMDZ - DCA
2 stops29h 14mMultiple Airlines
Deal found 12/26$646
This KAYAK deal was found by Cheapflights users on 12/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/141:18 amIAD - MDZ
1 stop20h 51mCopa Airlines
Fri 2/271:26 amMDZ - IAD
1 stop27h 49mCopa Airlines
Deal found 12/26$698
This LATAM Airlines deal was found by Cheapflights users on 12/27. 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.
Thu 1/2212:23 pmIAD - MDZ
2 stops20h 17mLATAM Airlines
Thu 1/297:45 pmMDZ - IAD
2 stops17h 58mLATAM Airlines
Deal found 12/27$616
This LATAM Airlines deal was found by Cheapflights users on 12/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:00 pmDCA - MDZ
2 stops34h 40mMultiple Airlines
Tue 2/171:00 pmMDZ - DCA
2 stops35h 59mMultiple Airlines
Deal found 12/26$646
This LATAM Airlines deal was found by Cheapflights users on 12/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2711:00 amDCA - MDZ
2 stops21h 20mLATAM Airlines
Mon 4/67:35 amMDZ - DCA
2 stops26h 35mLATAM Airlines
Deal found 12/26$640
This LATAM Airlines deal was found by Cheapflights users on 12/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1512:24 pmIAD - MDZ
2 stops18h 56mLATAM Airlines
Sat 2/287:50 amMDZ - IAD
2 stops18h 31mLATAM Airlines
Deal found 12/26$640
This Copa Airlines deal was found by Cheapflights users on 12/26. 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.
Mon 3/99:29 amIAD - MDZ
1 stop13h 40mCopa Airlines
Sun 3/151:26 amMDZ - IAD
1 stop14h 34mCopa Airlines
Deal found 12/26$834
This LATAM Airlines deal was found by Cheapflights users on 12/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:19 pmIAD - MDZ
2 stops21h 41mLATAM Airlines
Mon 3/167:45 pmMDZ - IAD
2 stops17h 54mLATAM Airlines
Deal found 12/26$640
This LATAM Airlines deal was found by Cheapflights users on 12/25. 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.
Mon 5/1112:30 pmIAD - MDZ
2 stops29h 33mLATAM Airlines
Wed 5/137:50 pmMDZ - IAD
2 stops24h 26mLATAM Airlines
Deal found 12/25$711
This Copa Airlines deal was found by Cheapflights users on 12/27. 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 1/211:12 amIAD - MDZ
1 stop21h 04mCopa Airlines
Wed 1/281:27 amMDZ - IAD
1 stop14h 31mCopa Airlines
Deal found 12/27$989
This KAYAK deal was found by Cheapflights users on 12/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/271:19 pmIAD - MDZ
2 stops19h 01mLATAM Airlines
Mon 4/67:35 amMDZ - IAD
2 stops26h 35mLATAM Airlines
Deal found 12/26$711
This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/277:22 pmBWI - MDZ
2 stops19h 53mAmerican Airlines
Mon 4/66:30 pmMDZ - BWI
3 stops18h 57mAmerican Airlines
Deal found 12/26$2,378
This Trip.com deal was found by Cheapflights users on 12/27. 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 1/222:35 pmIAD - MDZ
3 stops42h 25mMultiple Airlines
Thu 1/292:50 pmMDZ - IAD
3 stops48h 25mMultiple Airlines
Deal found 12/27$1,140
This Priceline deal was found by Cheapflights users on 12/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:00 amDCA - MDZ
2 stops25h 20mLATAM Airlines
Sat 2/287:45 pmMDZ - DCA
3 stops44h 15mLATAM Airlines
Deal found 12/26$744
This Priceline deal was found by Cheapflights users on 12/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/103:40 pmDCA - MDZ
2 stops37h 00mLATAM Airlines
Tue 2/177:45 pmMDZ - DCA
3 stops44h 15mLATAM Airlines
Deal found 12/26$744
This Gurufare deal was found by Cheapflights users on 12/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:00 amDCA - MDZ
2 stops22h 40mLATAM Airlines
Wed 2/187:50 pmMDZ - DCA
2 stops22h 37mLATAM Airlines
Deal found 12/27$787
This LATAM Airlines deal was found by Cheapflights users on 12/25. 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 3/247:24 amBWI - MDZ
2 stops27h 31mLATAM Airlines
Thu 3/2612:55 pmMDZ - BWI
2 stops32h 32mLATAM Airlines
Deal found 12/25$872
This Priceline deal was found by Cheapflights users on 12/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:15 amBWI - MDZ
2 stops33h 30mLATAM Airlines
Sat 2/287:50 amMDZ - BWI
2 stops27h 33mLATAM Airlines
Deal found 12/26$875
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/277:24 amBWI - MDZ
2 stops22h 16mLATAM Airlines
Mon 4/67:35 amMDZ - BWI
2 stops18h 18mLATAM Airlines
Deal found 12/26$1,093
This Cheapflightsfares deal was found by Cheapflights users on 12/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/96:00 amBWI - MDZ
2 stops22h 40mLATAM Airlines
Sun 1/257:50 amMDZ - BWI
2 stops27h 33mLATAM Airlines
Deal found 12/26$4,798

Find 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$584
(LATAM Airlines)

Popular in

November

Cheapest in

June

Average price

$1,023
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
Highest demand for flights based on searches. 12% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 28, 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

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Tue 3/10

3:50 pm-7:10 pm

2 stops26h 20m

Mendoza El Plumerillo

Thu 3/12

12:55 pm-5:00 pm

2 stops29h 05m

$584

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 1/22

12:23 pm-10:40 am

2 stops20h 17m

Mendoza El Plumerillo

Thu 1/29

7:45 pm-11:43 am

2 stops17h 58m

$616

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Fri 3/27

11:00 am-9:20 am

2 stops21h 20m

Mendoza El Plumerillo

Mon 4/6

7:35 am-9:10 am

2 stops26h 35m

$640

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 2/15

12:24 pm-9:20 am

2 stops18h 56m

Mendoza El Plumerillo

Sat 2/28

7:50 am-12:21 am

2 stops18h 31m

$640

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 3/9

1:19 pm-12:00 pm

2 stops21h 41m

Mendoza El Plumerillo

Mon 3/16

7:45 pm-12:39 pm

2 stops17h 54m

$640

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Sun 2/15

2:00 pm-9:20 am

2 stops17h 20m

Mendoza El Plumerillo

Sat 2/28

7:45 pm-10:59 pm

2 stops29h 14m

$646

Washington, D.C.Mendoza

DCA - MDZ

DCAMDZ

Washington, D.C. Reagan-National

Tue 2/10

6:00 pm-6:40 am

2 stops34h 40m

Mendoza El Plumerillo

Tue 2/17

1:00 pm-10:59 pm

2 stops35h 59m

$646

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sat 2/14

1:18 am-12:09 am

1 stop20h 51m

Mendoza El Plumerillo

Fri 2/27

1:26 am-3:15 am

1 stop27h 49m

$698

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 5/11

12:30 pm-7:03 pm

2 stops29h 33m

Mendoza El Plumerillo

Wed 5/13

7:50 pm-7:16 pm

2 stops24h 26m

$711

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Fri 3/27

1:19 pm-9:20 am

2 stops19h 01m

Mendoza El Plumerillo

Mon 4/6

7:35 am-9:10 am

2 stops26h 35m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 21 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 December.
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 December 28, 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
1,561 reviews

Entertainment

6.8

Comfort

7.4

Food

6.8

Crew

8.1

Boarding

7.8

Overall

7.6

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
1,561 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Comfort

7.4

Food

6.8

Crew

8.1

Boarding

7.8

Overall

7.6

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
1,895 reviews
Copa Airlines
7.6
Good
1,561 reviews

Entertainment

6.8

Comfort

7.4

Food

6.8

Crew

8.1

Boarding

7.8

Overall

7.6

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 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 $698, LATAM Airlines can have you in Mendoza from Washington, D.C. in 20h 51m. 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 $629. Another airline that can offer you cheap pricing is Copa Airlines. LATAM Airlines is currently priced 25% 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$629Average$955FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$971Average$1,555FlexibilityNo cancel feeOn-time70%

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