Flights from Washington DC to Puerto Rico

Our cheapest offers for flights from Washington DC to Puerto Rico

Here you can compare cheap flights from Washington DC (IAD) to Puerto Rico for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Puerto Rico. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington DC
San Juan (Puerto Rico)
Outbound
06/18/25
1 Stopover (MIA)
F93747, F92284
17h 19min
Return
07/15/25
direct
F92905
03h 56min
Frontier Airlines
$365
Best option
Washington DC
San Juan (Puerto Rico)
Outbound
06/18/25
direct
UA2021
03h 54min
Return
07/15/25
direct
UA2024
03h 59min
United Airlines ?
$546
Washington DC
San Juan (Puerto Rico)
Outbound
06/18/25
1 Stopover (MIA)
F93747, F92284
17h 19min
Return
07/15/25
direct
F92905
03h 56min
Frontier Airlines
$375
Prices based on recent searches, subject to last-minute changes
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