Flights from Washington DC to San Juan (Puerto Rico)

Our cheapest offers for flights from Washington DC to San Juan (Puerto Rico)

Here you can compare cheap flights from Washington DC (IAD) to San Juan (Puerto Rico) (SJU) 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 San Juan (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)
Pay attention to transfer at connecting flight
Outbound
09/19/25
3 Stopovers (LNS, PIT, MCO)
9X0248, 9X0157, NK3051, NK3166
31h 31min
Return
09/29/25
2 Stopovers (MCO, TYS)
NK3164, G43045, G41411
18h 38min
Southern Airways Express, Spirit Airlines
$471
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
Washington DC
San Juan (Puerto Rico)
Outbound
09/19/25
1 Stopover (ORD)
UA1879, UA1996
08h 14min
Return
09/29/25
direct
UA2024
03h 57min
United Airlines ?
$399
Washington DC
San Juan (Puerto Rico)
Outbound
09/19/25
1 Stopover (EWR)
UA2669, UA1556
07h 45min
Return
09/29/25
direct
UA2024
03h 57min
United Airlines
$419
Washington DC
San Juan (Puerto Rico)
Outbound
06/18/25
1 Stopover (DFW)
AA0524, AA0514
17h 16min
Return
07/15/25
1 Stopover (CLT)
AA0783, AA5549
08h 13min
American Airlines ?
$524
Washington DC
San Juan (Puerto Rico)
Outbound
09/19/25
1 Stopover (CLT)
AA5189, AA0783
05h 47min
Return
09/29/25
1 Stopover (CLT)
AA0783, AA5106
16h 52min
American Airlines ?
$549
Washington DC
San Juan (Puerto Rico)
Outbound
06/18/25
direct
UA2021
03h 54min
Return
07/15/25
1 Stopover (ORD)
UA2088, UA0276
08h 34min
United Airlines ?
$565
Washington DC
San Juan (Puerto Rico)
Outbound
06/18/25
direct
UA2021
03h 54min
Return
07/15/25
direct
UA2024
03h 59min
United Airlines
$579
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to San Juan (Puerto Rico)

Favorite airline: United Airlines
95 % of bookings on this flight route are made with United Airlines, Copa and Delta.
United Airlines
63 %
Copa
16 %
Delta
16 %
Stopover flights are the cheapest connection
On this route, direct flights are $ 7.00 more expensive than flights with a stopover.
non stop flight
1 stop
03h 54min
08h 36min
$ 482
$ 475
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 77 % of travelers will book a direct flight.
Route
bookings
Direct flights
03h 54min, from $ 482
77 %
1 stopover Houston - George Bush Intercontinental Airport, TX
11h 42min, from $ 512
15 %
1 stopover Charlotte Douglas International Airport, NC
08h 36min, from $ 475
8 %

Important flight information

Flight information: Washington DC - San Juan (Puerto Rico)

Roundtrip from $ 364,35
Flight duration min. 03:46 / max. 05:20
Return flight duration min. 03:54/ max. 05:25
Distance 2537 km
Flights per week 11
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport San Juan - Luis Muñoz Marín International Airport (SJU)
Destination country Flights to Puerto Rico
Alternative flights to San Juan (Puerto Rico)
Flight destinations with a similar price