Washington to San Juan flights (IAD–SJU)
IADWashington Dulles International Airport
United States
United States
SJULuis Munoz Marin International Airport
Puerto Rico
Puerto Rico
Frontier Airlines and United Airlines fly Washington to San Juan (IAD–SJU) nonstop and back, a great-circle distance of 2,530 km (1,570 mi).
Compare all 2 Washington–San Juan airport pairs
- From
- IAD
- Washington
- To
- SJU
- San Juan
- Nonstop
- Yes · 2 airlines
- Airlines
- F9 · UA
- Distance
- 2,530 km (1,570 mi)
- Time in the air
- 3h 23m
- Flights a week
- UA ~3
- Aircraft seen
- Boeing 737 Max 8 · Boeing 737 Max 9
Network data imported from airport and airline sources:· How we verify
Washington to San Juan: frequently asked questions
Tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How long is the IAD–SJU flight?
3h 23m wheels-up to wheels-down, the median of 22 tracked flights.
Which airlines fly IAD–SJU direct?
Frontier Airlines and United Airlines.
What is the time difference between Washington and San Juan?
None: Washington and San Juan keep the same time.
How many IAD–SJU flights a week?
United Airlines 3 each way.
What aircraft fly IAD–SJU?
Boeing 737 Max 8 and Boeing 737 Max 9.
San Juan to Washington: the return flight (SJU–IAD)
All 2 airlines also fly SJU–IAD nonstop.
Airlines flying IAD–SJU nonstop
| Airline | Usually takes off (IAD time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Frontier Airlines F9 | — | low-cost | — | — |
| United Airlines UA | 08:52–09:24 | full-service | Star Alliance | — |
One-stop alternatives to flying IAD–SJU nonstop
One airline on both legs; check it's sold as one ticket.
- Via Charlotte (CLT) with
American Airlines: 2,890 km (1,800 mi) flown, 14% further than nonstop. - Via Newark (EWR) with United Airlines: 2,940 km (1,820 mi) flown, 16% further than nonstop.
- Via Fort Lauderdale (FLL) with Frontier Airlines: 3,140 km (1,950 mi) flown, 24% further than nonstop.
- Via Orlando (MCO) with Frontier Airlines: 3,140 km (1,950 mi) flown, 24% further than nonstop.
- Via Miami (MIA) with Frontier Airlines: 3,170 km (1,970 mi) flown, 25% further than nonstop.
IAD–SJU route map
More from Washington and San Juan
Explore the airlines’ route maps
Plan your arrival at Luis Munoz Marin International Airport (SJU)
Departure
Washington Dulles International Airport
Washington Dulles (IAD), Washington. In our data, 47 airlines fly nonstop from IAD to 117 destinations.
View IAD airport guide →Arrival
Luis Munoz Marin International Airport
Luis Munoz Marin (SJU), San Juan.
Other nonstop airport pairs, Washington to San Juan
Washington and San Juan are connected nonstop from more than one airport. Compare the pairs by airline count:
Onward from San Juan
Places you can't fly to nonstop from IAD, but can from SJU — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.