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 13 hours ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Monday, December 21st, 2026

6 round-trip options

Returning
Sat, Dec 26, 2026•5 Day Trip
$1,038 USD
Google Flights
Returning
Mon, Dec 28, 2026•7 Day Trip
$1,088 USD
Google Flights
Returning
Thu, Dec 31, 2026•10 Day Trip
$1,206 USD
Google Flights
Returning
Fri, Jan 1, 2027•11 Day Trip
$1,471 USD
Google Flights
Returning
Sat, Jan 2, 2027•12 Day Trip
$1,764 USD
Google Flights
Returning
Mon, Jan 4, 2027•14 Day Trip
$1,714 USD
Google Flights