Cheap Flights To Buenos Aires 2026

Buenos Aires Flights as Low as $366

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Copa
Sat, Oct 10 - Sat, Oct 17
IAD
Washington Dulles Intl.
SJO
Juan Santamaría Intl.
$366
Roundtrip
found 4 days ago
Select Copa flight, departing Sat, Oct 10 from Washington Dulles Intl. to Juan Santamaría Intl., returning Sat, Oct 17, priced at $366 found 4 days ago
Southwest Airlines
Sat, Nov 7 - Tue, Nov 10
BWI
Baltimore Washington Intl. Thurgood Marshall
SJO
Juan Santamaría Intl.
$384
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Nov 7 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Tue, Nov 10, priced at $384 found 1 day ago
Copa
Fri, Oct 2 - Mon, Oct 12
FLL
Fort Lauderdale - Hollywood Intl.
SJO
Juan Santamaría Intl.
$392
Roundtrip
found 13 hours ago
Select Copa flight, departing Fri, Oct 2 from Fort Lauderdale - Hollywood Intl. to Juan Santamaría Intl., returning Mon, Oct 12, priced at $392 found 13 hours ago
avianca
Fri, Oct 2 - Mon, Oct 12
FLL
Fort Lauderdale - Hollywood Intl.
SJO
Juan Santamaría Intl.
$402
Roundtrip
found 13 hours ago
Select avianca flight, departing Fri, Oct 2 from Fort Lauderdale - Hollywood Intl. to Juan Santamaría Intl., returning Mon, Oct 12, priced at $402 found 13 hours ago
American Airlines
Sat, Nov 7 - Tue, Nov 10
BWI
Baltimore Washington Intl. Thurgood Marshall
SJO
Juan Santamaría Intl.
$403
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 7 from Baltimore Washington Intl. Thurgood Marshall to Juan Santamaría Intl., returning Tue, Nov 10, priced at $403 found 1 day ago
Delta
Copa
Tue, Jan 19 - Wed, Feb 3
JFK
John F. Kennedy Intl.
SJO
Juan Santamaría Intl.
$414
Roundtrip
found 5 hours ago
Select Copa flight, departing Tue, Jan 19 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Feb 3, priced at $414 found 5 hours ago
avianca
Sun, Nov 8 - Thu, Nov 12
IAD
Washington Dulles Intl.
SJO
Juan Santamaría Intl.
$428
Roundtrip
found 2 days ago
Select avianca flight, departing Sun, Nov 8 from Washington Dulles Intl. to Juan Santamaría Intl., returning Thu, Nov 12, priced at $428 found 2 days ago
JetBlue Airways
American Airlines
United
Sun, Nov 8 - Thu, Nov 12
IAD
Washington Dulles Intl.
SJO
Juan Santamaría Intl.
$480
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 8 from Washington Dulles Intl. to Juan Santamaría Intl., returning Thu, Nov 12, priced at $480 found 2 days ago
Frontier Airlines
Arajet
Air Canada
Aeromexico
American Airlines

Cheap Buenos Aires Flights

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