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

Monday, September 14th, 2026

8 round-trip options

Returning
Sat, Sep 19, 2026•5 Day Trip
$366 USD
Google Flights
Returning
Tue, Sep 22, 2026•8 Day Trip
$366 USD
Google Flights
Returning
Wed, Sep 23, 2026•9 Day Trip
$366 USD
Google Flights
Returning
Thu, Sep 24, 2026•10 Day Trip
$366 USD
Google Flights
Returning
Fri, Sep 25, 2026•11 Day Trip
$366 USD
Google Flights
Returning
Sat, Sep 26, 2026•12 Day Trip
$366 USD
Google Flights
Returning
Sun, Sep 27, 2026•13 Day Trip
$461 USD
Google Flights
Returning
Mon, Sep 28, 2026•14 Day Trip
$366 USD
Google Flights