$171 Cheap United flights Washington (DCA) to San Juan (SJU)

View $171 flight on Thu, Jan 8, 2026Opens in a new window

$171 Cheap United flights Washington (DCA) to San Juan (SJU)

Prices were available within the past 7 days and start at $171 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 21 - Sat, Jan 31
DCA
Washington
SJU
San Juan
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 21 from Washington to San Juan, returning Sat, Jan 31, priced at $251 found 5 days ago
United
Sun, Feb 15 - Tue, Feb 24
DCA
Washington
SJU
San Juan
$283 Roundtrip, found 6 days ago
$283
Roundtrip
found 6 days ago
Select United flight, departing Sun, Feb 15 from Washington to San Juan, returning Tue, Feb 24, priced at $283 found 6 days ago

Find the cheapest month to fly from Washington (DCA) to San Juan (SJU)

September is typically the cheapest month to fly

From $149 - $454 per traveler.

Alternative airports near San Juan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $450
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center16 min
Flights from $450
Flights from Washington (DCA) to San Juan (SJU)
Origin airport
Ronald Reagan Washington National
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Popular airline
JetBlue Airways
Distance
2492 km
Average flight time
3 hours 40 mins