$167 Cheap United flights Washington (IAD) to San Juan (SJU)

View $167 flight on Mon, Feb 2, 2026Opens in a new window

$167 Cheap United flights Washington (IAD) to San Juan (SJU)

Prices were available within the past 7 days and start at $167 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 19 - Wed, Feb 4
IAD
Washington
SJU
San Juan
$297 Roundtrip, found 3 days ago
$297
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jan 19 from Washington to San Juan, returning Wed, Feb 4, priced at $297 found 3 days ago

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

October is typically the cheapest month to fly

From $136 - $289 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 $277
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center16 min
Flights from $277
Flights from Washington (IAD) to San Juan (SJU)
Origin airport
Washington Dulles Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
Frontier Airlines
Popular airline
Frontier Airlines
Distance
2519 km
Average flight time
4 hours 52 mins