Flights from Washington DC to San Juan (Puerto Rico)

Trip type

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
05/16/26
1 Stopover (MCO)
F94229, F91746
14h 39min
Return
05/29/26
1 Stopover (CLT)
AA0783, AA5219
17h 06min
Frontier Airlines ?
$278
Best option
Washington DC
San Juan (Puerto Rico)
Outbound
04/03/26
direct
UA2025
04h 00min
Return
04/16/26
direct
UA2022
04h 01min
United Airlines ?
$1,013
Washington DC
San Juan (Puerto Rico)
Outbound
05/16/26
1 Stopover (MCO)
F94229, F91746
14h 39min
Return
05/29/26
2 Stopovers (DFW, BOS)
AA2742, AA1048, UA1734
30h 44min
Frontier Airlines ?
$398
Washington DC
San Juan (Puerto Rico)
Outbound
05/16/26
1 Stopover (CLT)
AA5266, AA2830
11h 36min
Return
05/29/26
1 Stopover (DFW)
AA2742, AA1906
10h 27min
American Airlines ?
$769
Washington DC
San Juan (Puerto Rico)
Outbound
04/03/26
1 Stopover (MCO)
F94811, F93506
20h 03min
Return
04/16/26
2 Stopovers (IAH, SAL)
UA1644, UA1290, N34326
29h 27min
Frontier Airlines ?
$786
Washington DC
San Juan (Puerto Rico)
Outbound
03/14/26
direct
UA2025
03h 50min
Return
03/21/26
direct
UA2022
04h 05min
United Airlines ?
$1,220
found 3 days ago
Washington DC
San Juan (Puerto Rico)
Outbound
03/28/26
direct
UA2025
03h 50min
Return
04/25/26
direct
UA2024
04h 01min
United Airlines ?
$1,337
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 $277.50
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
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