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Mar del Plata

$1,199+ Cheap flights from Dulles Intl (IAD) to Mar del Plata (MDQ)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MDQ
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap flight deals from Dulles Intl to Mar del Plata

Cheapest flights from Dulles Intl to Mar del Plata
Explore the most affordable flight options available from Dulles Intl to Mar del Plata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This oojo deal was found by Cheapflights users on 3/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:50 am
IAD
-
MDQ
2 stops24h 45m
Avianca
Tue 5/128:55 pm
MDQ
-
IAD
2 stops33h 25m
Avianca
Deal found 3/21$1,199
This oojo deal was found by Cheapflights users on 3/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:35 pm
IAD
-
MDQ
2 stops16h 00m
Multiple Airlines
Sun 4/269:25 am
MDQ
-
IAD
2 stops44h 55m
Multiple Airlines
Deal found 3/20$1,265
This Avianca deal was found by Cheapflights users on 3/18. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:50 am
IAD
-
MDQ
2 stops24h 55m
Avianca
Tue 6/28:55 pm
MDQ
-
IAD
2 stops42h 20m
Avianca
Deal found 3/18$1,270
This FlightHub deal was found by Cheapflights users on 3/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/284:35 pm
IAD
-
MDQ
2 stops20h 05m
Multiple Airlines
Wed 4/18:50 pm
MDQ
-
IAD
2 stops33h 30m
Multiple Airlines
Deal found 3/18$2,062

Find flight deals from Dulles Intl to Mar del Plata

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Mar del Plata (MDQ). 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 23, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,199
(oojo)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Mar Del Plata flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Mar Del Plata flights.
Search Deals
From Washington, D.C. Dulles Intl to Mar Del Plata
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Mar del Plata 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 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Mar del Plata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Mar del Plata

IAD - MDQ

IADMDQ

Washington, D.C. Dulles Intl

Sun 4/19

3:35 pm-8:35 am

2 stops16h 00m

Mar Del Plata

Sun 4/26

9:25 am-5:20 am

2 stops44h 55m

$1,265

Washington, D.C.Mar del Plata

IAD - MDQ

IADMDQ

Washington, D.C. Dulles Intl

Fri 5/29

6:50 am-8:45 am

2 stops24h 55m

Mar Del Plata

Tue 6/2

8:55 pm-2:15 pm

2 stops42h 20m

$1,270
Quickest round-trip

Washington, D.C.Mar del Plata

IAD - MDQ

IADMDQ

Washington, D.C. Dulles Intl

Tue 5/5

9:48 am-8:35 am

3 stops21h 47m

Mar Del Plata

Tue 5/12

8:55 pm-5:20 am

2 stops33h 25m

$1,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Mar del Plata flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Dulles Intl Airport-Mar del Plata flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Mar del Plata 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-Mar del Plata flights, Cheapflights users trust Expedia the most. Expedia 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-Mar del Plata 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 Mar del Plata

Have a flexible travel schedule? Discover the best time to fly to Mar del Plata 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Mar del Plata. 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 Mar del Plata from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Mar del Plata, you will be flying into Mar Del Plata. Mar Del Plata (MDQ) is just 4.8 mi from the center of the city. Mar Del Plata is the only Mar del Plata airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Mar Del Plata from Washington, D.C. Dulles Intl on a regular basis.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Mar del Plata?

    Departing from Washington, D.C. Dulles Intl Airport to Mar del Plata will take you 24h 55m. The distance between Washington, D.C. Dulles Intl Airport and Mar del Plata is about 5456 mi.

  • Can I find deals for flights from Dulles Intl to Mar del Plata that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Mar del Plata flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Mar del Plata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Mar del Plata.

  • Can I find deals for business class flights from Dulles Intl to Mar del Plata?

    Yes. Cheapflights offers flight deals from Dulles Intl to Mar del Plata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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