Cheap flights from Washington to Buenos Aires

Cheapest current fares: $333 in August 2026 on connecting flights.

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Live fares · DCA → EZE

Cheapest month-by-month fares

Lowest available fare per calendar month from Washington (DCA) to Buenos Aires (EZE). Refreshed daily.

Washington (DCA) → Buenos Aires (EZE)

  1. August 2026 $333
  2. January 2027 $337

Frequently asked questions

  • What is the cheapest month to fly from Washington to Buenos Aires?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Washington (DCA) to Buenos Aires (EZE), with fares starting from $333.

  • What is the lowest current fare from DCA to EZE?

    The lowest currently-listed fare from Washington (DCA) to Buenos Aires (EZE) is $333 on 2026-08-18.

  • Is there a direct flight from Washington to Buenos Aires?

    There is currently no non-stop service from DCA to EZE. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: DCA → EZE Cheapest month to fly to Buenos Aires All flights from Washington All flights to Buenos Aires Flights to Argentina Visa-free with USA passport