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 21m. Airlines will cover a distance of 4987 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest airline to fly 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 $808.

In terms of precipitation, rainfall in Mendoza ranges from 0.2 - 1.9 inches per month. January is typically the wettest month, when rainfall can reach 1.9 in. June is typically the driest time to visit Mendoza when rainfall is around 0.2 in.

If weather is an important factor for your trip to Mendoza, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 46.4 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Mendoza as you normally would.

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.

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 1 airline. Mendoza El Plumerillo is conveniently located just 5.1 mi from Mendoza’s city center.

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.

$463+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Mendoza

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Cheap flight deals from Dulles Intl to Mendoza

Cheapest

Best

Last-minute

One-way

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 October 27, 2026.

Wed 12/303:30 pm -

1 stop30h 41m

Sat 3/201:20 am -

1 stop28h 52m

Deal found 10/26

$1,006

Tue 12/112:35 pm -

2 stops20h 40m

Mon 12/1412:15 pm -

2 stops25h 24m

Deal found 10/26

$1,018

Mon 11/168:32 am -

2 stops25h 38m

Tue 12/14:00 pm -

3 stops30h 23m

Deal found 10/26

$1,019

Mon 11/163:37 pm -

1 stop30h 22m

Mon 11/301:20 am -

1 stop27h 59m

Deal found 10/26

$1,034

Wed 12/98:07 am -

2 stops20h 13m

Wed 12/1612:15 pm -

2 stops25h 34m

Deal found 10/25

$1,107

Wed 12/28:25 am -

1 stop13h 36m

Fri 12/117:00 pm -

2 stops20h 58m

Deal found 10/26

$1,126

Wed 12/93:30 pm -

1 stop30h 41m

Tue 12/151:29 am -

1 stop27h 35m

Deal found 10/25

$1,142

Wed 12/28:25 am -

1 stop13h 36m

Thu 12/105:50 pm -

2 stops22h 08m

Deal found 10/26

$1,191

Best flights from Dulles Intl to Mendoza
Discover carefully curated flight deals from Dulles Intl to Mendoza that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Mon 3/15:50 am -

2 stops35h 00m

Tue 3/912:15 pm -

2 stops18h 15m

Deal found 10/24

$956

Tue 12/291:18 am -

1 stop24h 44m

Sat 3/201:20 am -

1 stop28h 52m

Deal found 10/25

$1,006

Sat 2/61:54 pm -

2 stops19h 21m

Thu 2/251:00 pm -

2 stops24h 59m

Deal found 10/26

$1,018

Sun 2/286:00 am -

2 stops22h 20m

Sat 7/311:51 am -

2 stops30h 39m

Deal found 10/25

$1,018

Sat 2/61:54 pm -

2 stops19h 21m

Fri 2/267:30 am -

2 stops18h 50m

Deal found 10/26

$1,018

Wed 12/3010:43 am -

2 stops17h 37m

Sun 3/217:50 pm -

2 stops22h 40m

Deal found 10/23

$1,018

Mon 11/163:37 pm -

1 stop30h 22m

Mon 11/301:20 am -

1 stop27h 59m

Deal found 10/26

$1,034

Sat 2/67:17 am -

2 stops25h 58m

Sat 2/271:00 pm -

2 stops24h 59m

Deal found 10/26

$1,018

Sun 1/2410:56 am -

2 stops17h 24m

Mon 2/112:15 pm -

2 stops31h 18m

Deal found 10/25

$1,076

Thu 12/35:00 pm -

2 stops21h 05m

Fri 12/115:00 pm -

2 stops18h 55m

Deal found 10/26

$1,018

Last-minute flights from Dulles Intl to Mendoza
Discover last-minute flight deals from Dulles Intl to Mendoza. Data last updated October 27, 2026 and is based on user searches.

Mon 11/168:32 am -

2 stops25h 38m

Tue 12/14:00 pm -

3 stops30h 23m

Deal found 10/26

$1,019

Mon 11/163:37 pm -

1 stop30h 22m

Mon 11/301:20 am -

1 stop27h 59m

Deal found 10/26

$1,034

Mon 11/3012:35 pm -

2 stops28h 15m

Wed 1/612:15 pm -

2 stops24h 29m

Deal found 10/26

$1,796

Mon 11/308:05 am -

2 stops26h 00m

Tue 1/51:00 pm -

2 stops27h 04m

Deal found 10/26

$1,970

Find flight deals from Dulles Intl to Mendoza

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$956 (Trip.com)
One-way from	$463 (LATAM Airlines)

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

Cheapflights Fare Finder

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

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Wed 12/2

12:35 pm-11:15 am

2 stops20h 40m

Mendoza El Plumerillo

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$463

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Wed 12/2

9:05 am-3:10 pm

3 stops28h 05m

Mendoza El Plumerillo

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$615

Quickest round-trip

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Wed 12/2

8:25 am-12:01 am

1 stop13h 36m

Mendoza El Plumerillo

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$666

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Mon 3/1

5:50 am-6:50 pm

2 stops35h 00m

Mendoza El Plumerillo

Tue 3/9

12:15 pm-4:30 am

2 stops18h 15m

$956

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Tue 12/29

1:18 am-4:02 am

1 stop24h 44m

Mendoza El Plumerillo

Sat 3/20

1:20 am-5:12 am

1 stop28h 52m

$1,006

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Sat 2/6

1:54 pm-11:15 am

2 stops19h 21m

Mendoza El Plumerillo

Thu 2/25

1:00 pm-11:59 am

2 stops24h 59m

$1,018

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Sun 2/28

6:00 am-6:20 am

2 stops22h 20m

Mendoza El Plumerillo

Sat 7/3

11:51 am-5:30 pm

2 stops30h 39m

$1,018

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Sat 2/6

1:54 pm-11:15 am

2 stops19h 21m

Mendoza El Plumerillo

Fri 2/26

7:30 am-12:20 am

2 stops18h 50m

$1,018

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Wed 12/30

10:43 am-6:20 am

2 stops17h 37m

Mendoza El Plumerillo

Sun 3/21

7:50 pm-5:30 pm

2 stops22h 40m

$1,018

Washington, D.C.Mendoza

IAD Washington, D.C. Dulles Intl - MDZ Mendoza El Plumerillo

IADMDZ

Washington, D.C. Dulles Intl

Sat 2/6

7:17 am-11:15 am

2 stops25h 58m

Mendoza El Plumerillo

Sat 2/27

1:00 pm-11:59 am

2 stops24h 59m

$1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 13 resultsSorted by cheapest first

Compare providers for flights from Dulles Intl to Mendoza

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 October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy3 stars	Trust 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.

IAD-MDZ

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

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Mendoza, such as Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.6

Good

1,555 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2026

BOS - PTY

Arrived in Panama 🇵🇦 city, and had connection to next flight, flight was delayed alreadyand they lost my bag, I have no clothes and still cannot locate my bag ot give me information. Im in meddelin, Colombia and cannot believe they cannot locate my luggage? They sent me a email for apologizing, but where is my luggage? I was in business class, and the service of contacting me is horrible.

Copa Airlines

7.6

Good

1,555 reviews

Copa Airlines

7.6

Good

1,555 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Oct 2026

BOS - PTY

Related info for your journey

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 1 airline. 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 21m. Airlines will cover a distance of 4987 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What is the cheapest airline to fly 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 $808.
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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Dulles Intl to Mar del Plata flights

Dulles Intl to Salta flights

Top airline flying from Dulles Intl to Mendoza

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$808	Average$1,197	FlexibilityNo cancel fee	On-time70%

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$463+ Cheap flights from Dulles Intl (IAD) 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Mendoza with Cheapflights

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Cheap flight deals from Dulles Intl to Mendoza

Cheapest flights from Dulles Intl to MendozaExplore 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 October 27, 2026.

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 October 27, 2026.

Best flights from Dulles Intl to MendozaDiscover carefully curated flight deals from Dulles Intl to Mendoza that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Discover carefully curated flight deals from Dulles Intl to Mendoza that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Last-minute flights from Dulles Intl to MendozaDiscover last-minute flight deals from Dulles Intl to Mendoza. Data last updated October 27, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Mendoza. Data last updated October 27, 2026 and is based on user searches.

One-way flights from Dulles Intl to MendozaSearch for one-way flight options from Dulles Intl to Mendoza. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.

Search for one-way flight options from Dulles Intl to Mendoza. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.

Find flight deals from Dulles Intl to Mendoza

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Most trusted provider

Round-trip from

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Mendoza that are best for you.

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 October.

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.

Reviews of airlines servicing Mendoza

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Mendoza, such as Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Mendoza from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Mendoza?

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Mendoza round-trip?

Can I find deals for flights from Dulles Intl to Mendoza that include hotel bookings?

How can I find direct flights from Dulles Intl to Mendoza?

Can I find deals for business class flights from Dulles Intl to Mendoza?

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.

Alternative routes for Dulles Intl to Mendoza

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Mendoza by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dulles Intl to Mendoza by cabin class

Find flights from Dulles Intl to Mendoza, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Mendoza

Explore flights to Mendoza departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.

Dulles Intl and Mendoza flights

Browse other Dulles Intl and Mendoza flight options. Last updated on October 27, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Dulles Intl to Mendoza

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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 October 27, 2026.

Best flights from Dulles Intl to Mendoza
Discover carefully curated flight deals from Dulles Intl to Mendoza that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Last-minute flights from Dulles Intl to Mendoza
Discover last-minute flight deals from Dulles Intl to Mendoza. Data last updated October 27, 2026 and is based on user searches.

One-way flights from Dulles Intl to Mendoza
Search for one-way flight options from Dulles Intl to Mendoza. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.