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 28th, 2026

6 round-trip options

Returning
Sat, Jan 2, 2027•5 Day Trip
$1,436 USD
Google Flights
Returning
Mon, Jan 4, 2027•7 Day Trip
$1,386 USD
Google Flights
Returning
Thu, Jan 7, 2027•10 Day Trip
$600 USD
Google Flights
Returning
Fri, Jan 8, 2027•11 Day Trip
$600 USD
Google Flights
Returning
Sat, Jan 9, 2027•12 Day Trip
$710 USD
Google Flights
Returning
Mon, Jan 11, 2027•14 Day Trip
$710 USD
Google Flights