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Mendoza

$299+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MDZ
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Copa Airlines deal was found by Cheapflights users on 3/9. 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 4/239:32 am
IAD
-
MDZ
1 stop13h 46m
Copa Airlines
Wed 4/291:23 am
MDZ
-
IAD
1 stop14h 43m
Copa Airlines
Deal found 3/9$685
This LATAM Airlines deal was found by Cheapflights users on 3/6. 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 4/218:35 am
IAD
-
MDZ
2 stops33h 28m
Multiple Airlines
Tue 4/287:50 pm
MDZ
-
IAD
2 stops23h 18m
Multiple Airlines
Deal found 3/6$697
This LATAM Airlines deal was found by Cheapflights users on 3/7. 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 4/2012:45 pm
IAD
-
MDZ
2 stops29h 18m
Multiple Airlines
Mon 4/277:35 am
MDZ
-
IAD
2 stops33h 55m
Multiple Airlines
Deal found 3/7$704
This Expedia deal was found by Cheapflights users on 3/8. 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.
Sun 4/2612:45 pm
IAD
-
MDZ
2 stops21h 21m
LATAM Airlines
Sat 5/97:35 am
MDZ
-
IAD
2 stops26h 41m
LATAM Airlines
Deal found 3/8$727
This LATAM Airlines deal was found by Cheapflights users on 3/9. 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 11/125:30 pm
IAD
-
MDZ
2 stops34h 40m
Multiple Airlines
Mon 11/167:35 am
MDZ
-
IAD
2 stops25h 49m
Multiple Airlines
Deal found 3/9$747
This LATAM Airlines deal was found by Cheapflights users on 3/9. 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.
Wed 11/117:59 pm
IAD
-
MDZ
2 stops32h 11m
Multiple Airlines
Mon 11/167:35 am
MDZ
-
IAD
2 stops29h 45m
Multiple Airlines
Deal found 3/9$754
This LATAM Airlines deal was found by Cheapflights users on 3/7. 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 5/311:32 pm
IAD
-
MDZ
2 stops20h 34m
LATAM Airlines
Tue 6/27:50 pm
MDZ
-
IAD
2 stops24h 03m
LATAM Airlines
Deal found 3/7$755
This KAYAK deal was found by Cheapflights users on 3/9. 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.
Wed 11/111:12 am
IAD
-
MDZ
1 stop21h 04m
Copa Airlines
Sat 11/141:27 am
MDZ
-
IAD
1 stop24h 03m
Copa Airlines
Deal found 3/9$771
This Orbitz deal was found by Cheapflights users on 3/9. 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 11/1212:30 pm
IAD
-
MDZ
2 stops20h 36m
LATAM Airlines
Sun 11/157:35 am
MDZ
-
IAD
2 stops30h 17m
LATAM Airlines
Deal found 3/9$777
This KAYAK deal was found by Cheapflights users on 3/9. 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.
Thu 11/1212:30 pm
IAD
-
MDZ
2 stops20h 36m
LATAM Airlines
Mon 11/167:35 am
MDZ
-
IAD
2 stops18h 30m
LATAM Airlines
Deal found 3/9$815
This Copa Airlines deal was found by Cheapflights users on 3/8. 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.
Sun 7/56:25 am
IAD
-
MDZ
1 stop16h 56m
Copa Airlines
Mon 7/201:25 am
MDZ
-
IAD
1 stop14h 40m
Copa Airlines
Deal found 3/8$819
This KAYAK deal was found by Cheapflights users on 3/5. 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.
Wed 3/251:19 pm
IAD
-
MDZ
2 stops20h 46m
LATAM Airlines
Sun 3/297:35 am
MDZ
-
IAD
2 stops30h 04m
LATAM Airlines
Deal found 3/5$823

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$685
(Copa Airlines)

One-way from

$299
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$813
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. 19% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($92 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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
Quickest round-trip

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Thu 4/23

9:32 am-12:18 am

1 stop13h 46m

Mendoza El Plumerillo

Wed 4/29

1:23 am-3:06 pm

1 stop14h 43m

$685

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 5/3

12:45 pm-11:06 am

2 stops21h 21m

Mendoza El Plumerillo

Wed 5/6

7:50 pm-6:53 pm

2 stops24h 03m

$697

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 4/21

8:35 am-7:03 pm

2 stops33h 28m

Mendoza El Plumerillo

Tue 4/28

7:50 pm-6:08 pm

2 stops23h 18m

$697

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Mon 4/20

12:45 pm-7:03 pm

2 stops29h 18m

Mendoza El Plumerillo

Mon 4/27

7:35 am-4:30 pm

2 stops33h 55m

$704

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 4/26

12:45 pm-11:06 am

2 stops21h 21m

Mendoza El Plumerillo

Sat 5/9

7:35 am-9:16 am

2 stops26h 41m

$727

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 7/5

6:25 am-12:21 am

1 stop16h 56m

Mendoza El Plumerillo

Mon 7/20

1:25 am-3:05 pm

1 stop14h 40m

$819

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 5/31

1:32 pm-11:06 am

2 stops20h 34m

Mendoza El Plumerillo

Tue 6/2

7:50 pm-6:53 pm

2 stops24h 03m

$863

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Tue 3/24

2:18 am-12:09 am

1 stop20h 51m

Mendoza El Plumerillo

Sat 3/28

1:30 am-3:02 pm

1 stop14h 32m

$900

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Sun 5/3

5:35 pm-8:10 pm

3 stops25h 35m

Mendoza El Plumerillo

Wed 5/6

8:19 pm-2:45 am

3 stops31h 26m

$929

Washington, D.C.Mendoza

IAD - MDZ

IADMDZ

Washington, D.C. Dulles Intl

Wed 3/25

9:55 am-2:50 pm

3 stops27h 55m

Mendoza El Plumerillo

Sun 3/29

6:30 pm-5:20 am

3 stops35h 50m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 15 resultsSorted by cheapest first
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 March.
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.

Cheapflights Insights

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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport 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 March 10, 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
7.5
Good
1,569 reviews

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Copa Airlines
7.5
Good
1,569 reviews
Copa Airlines
7.5
Good
1,569 reviews

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
LATAM Airlines
7.4
Good
1,918 reviews
Copa Airlines
7.5
Good
1,569 reviews

Boarding

7.8

Food

6.8

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

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 13h 46m. 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 $626. Another airline that can offer you cheap pricing is Copa Airlines. Users have found that LATAM Airlines is 38% cheaper than the other options available to this destination.

  • 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 Salta flights
Dulles Intl to Mar del Plata flights
Dulles Intl to Ushuaia flights

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$626Average$887FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$808Average$1,159FlexibilityNo cancel feeOn-time70%

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