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

Delta Air LinesDLDelta Air Lines
Round Trip•Economy
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
United StatesDCA

Ronald Reagan Washington National Airport

Washington, United States
$636 USD
-49%$326 USD
Verified about 7 hours ago
Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price

Friday, July 31st, 2026

8 round-trip options

Returning
Wed, Aug 5, 2026•5 Day Trip
$528 USD
Google Flights
Returning
Thu, Aug 6, 2026•6 Day Trip
$638 USD
Google Flights
Returning
Sat, Aug 8, 2026•8 Day Trip
$756 USD
Google Flights
Returning
Sun, Aug 9, 2026•9 Day Trip
$470 USD
Google Flights
Returning
Mon, Aug 10, 2026•10 Day Trip
$431 USD
Google Flights
Returning
Tue, Aug 11, 2026•11 Day Trip
$638 USD
Google Flights
Returning
Thu, Aug 13, 2026•13 Day Trip
$528 USD
Google Flights
Returning
Fri, Aug 14, 2026•14 Day Trip
$638 USD
Google Flights