Washington (DCA) to San Juan (SJU) flight deal in economy from $326

Delta Air LinesDLDelta Air Lines
Round Trip•Economy
United StatesDCA

Ronald Reagan Washington National Airport

Washington, United States
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$606 USD
-46%$326 USD
Verified about 7 hours ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Friday, July 31st, 2026

8 round-trip options

Returning
Fri, Aug 7, 2026•7 Day Trip
$578 USD
Google Flights
Returning
Sat, Aug 8, 2026•8 Day Trip
$542 USD
Google Flights
Returning
Sun, Aug 9, 2026•9 Day Trip
$828 USD
Google Flights
Returning
Mon, Aug 10, 2026•10 Day Trip
$828 USD
Google Flights
Returning
Tue, Aug 11, 2026•11 Day Trip
$483 USD
Google Flights
Returning
Wed, Aug 12, 2026•12 Day Trip
$542 USD
Google Flights
Returning
Thu, Aug 13, 2026•13 Day Trip
$483 USD
Google Flights
Returning
Fri, Aug 14, 2026•14 Day Trip
$710 USD
Google Flights