Cheap flights from Mar Del Plata to Washington

One-way fares from $655 · MDQ → WAS · prices found by travellers in the last 48 hours

Cheapest fare
$655

Aerolineas Argentinas · Wed, Dec 9

Cheapest month
December

from $655

Direct flights
Not recently

Usually 1+ stop

Quickest trip
15h 09m

8,780 km

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Cheapest month to fly from Mar Del Plata to Washington

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest $655

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Aerolineas Argentinas
Depart17:45 Wed, Dec 9MDQ → IAD 15h 09m · 3 stops
$655one way, per person
View deal
See every date in December 2026 →

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About flights from Mar Del Plata to Washington

Mar Del Plata (MDQ) and Washington (WAS) are about 8,780 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 15h 09m. Over the next few months, one-way fares start from $655, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Mar Del Plata to Washington?

The cheapest one-way fare we've seen recently is $655 with Aerolineas Argentinas, departing Wednesday, December 9, 2026.

What is the cheapest month to fly from Mar Del Plata to Washington?

December 2026 currently has the lowest fares, from $655 one way.

Are there direct flights from Mar Del Plata to Washington?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Mar Del Plata to Washington?

The quickest journey we've seen takes about 15h 09m. Mar Del Plata and Washington are around 8,780 km apart.

Which airlines fly from Mar Del Plata to Washington?

Recent fares on this route were with Aerolineas Argentinas.

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