WashingtonSaint MartinDirect FlightsIAD–SXM
Washington (Washington Dulles International Airport) to Saint Martin (Princess Juliana International Airport).
Flight time from IAD to SXM is estimated at about 4h 3m, based on the 1,682-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with United Airlines appearing most often in that sample. Captured departure times run from 08:17 to 08:17 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~4h 3m Estimated from great-circle distance — no tracked flights yet. | 1,682 mi | 1/day From the current provider sample; confirm live timetables before booking. | International |
Airlines on this route
Captured airlines for IAD to SXM
Our current provider sample includes 1/day from IAD to SXM across 1 captured airline.
- First departure
- 08:17
- Last departure
- 08:17
- Captured departures/day
- 1
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 1/day | Boeing 737 · Seat map | 08:17 |
Aircraft on this route
Flying the other way?
SXM to IAD flights — 1/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAD to SXM, last seen June 15, 2026. Frequency uses 7 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from IAD to SXM?
The IAD to SXM flight time is estimated at about 4h 3m from great-circle distance until enough tracked flights are available.
How far is IAD from SXM?
IAD to SXM is about 1,682 miles by air.
Which airlines fly from IAD to SXM?
Our current provider sample for IAD to SXM includes United Airlines. Confirm live timetables before booking.
What aircraft fly from IAD to SXM?
Aircraft captured in our current provider sample for IAD to SXM include Boeing 737.