Direct (nonstop) flights from Dulles to Sint Maarten

1 airline flys nonstop from Washington Dulles International (IAD) to Princess Juliana International (SXM). It's 1,678 miles (2,701 km), about 4h 9m in the air. Operated by United Airlines.

IAD
Washington Dulles International
🇺🇸 Dulles, USA
SXM
Princess Juliana International
🇸🇽 Sint Maarten, Sint Maarten
Flight Time
4h 9m
Distance
1,678 mi
2,701 km
CO₂/pax
284 kg
−42 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IAD → SXM
Flight Time
4h 9m
Distance
1,678 mi

Alternative Routes

Other ways to fly from Dulles to Sint Maarten with one stop · direct emits 284 kg CO₂ per passenger

IAD SJU (San Juan) SXM
Leg 1: 3h 52m (1,571 mi) Leg 2: 1h 2m (192 mi) Total: ~4h 54m 🍃 326 kg CO₂ (+15% vs. direct)
Leg 1
IAD → SJU
3h 52m · 1,571 mi
View IAD to SJU flights →
Leg 2
SJU → SXM
1h 2m · 192 mi
View SJU to SXM flights →
IAD PHL (Philadelphia) SXM
Leg 1: 1h 15m (134 mi) Leg 2: 4h 14m (1,670 mi) Total: ~5h 29m 🍃 332 kg CO₂ (+17% vs. direct)
Leg 1
IAD → PHL
1h 15m · 134 mi
View IAD to PHL flights →
Leg 2
PHL → SXM
4h 14m · 1,670 mi
View PHL to SXM flights →
IAD CLT (Charlotte) SXM
Leg 1: 1h 35m (321 mi) Leg 2: 3h 59m (1,611 mi) Total: ~5h 34m 🍃 356 kg CO₂ (+25% vs. direct)
Leg 1
IAD → CLT
1h 35m · 321 mi
View IAD to CLT flights →
Leg 2
CLT → SXM
3h 59m · 1,611 mi
View CLT to SXM flights →
IAD JFK (New York) SXM
Leg 1: 1h 28m (227 mi) Leg 2: 4h 8m (1,681 mi) Total: ~5h 36m 🍃 351 kg CO₂ (+24% vs. direct)
Leg 1
IAD → JFK
1h 28m · 227 mi
View IAD to JFK flights →
Leg 2
JFK → SXM
4h 8m · 1,681 mi
View JFK to SXM flights →
IAD MCO (Orlando) SXM
Leg 1: 2h 28m (758 mi) Leg 2: 3h 15m (1,358 mi) Total: ~5h 43m 🍃 394 kg CO₂ (+39% vs. direct)
Leg 1
IAD → MCO
2h 28m · 758 mi
View IAD to MCO flights →
Leg 2
MCO → SXM
3h 15m · 1,358 mi
View MCO to SXM flights →

Frequently Asked Questions

How long is the direct flight from Dulles to Sint Maarten?

A nonstop flight from Dulles (IAD) to Sint Maarten (SXM) takes approximately 4 hours and 9 minutes. The distance is 1,678 miles (2,701 km).

Which airlines fly nonstop from Dulles to Sint Maarten?

Just United Airlines.

Is there a nonstop flight from Dulles to Sint Maarten?

Yes. 1 airline: United Airlines.

How far is Dulles from Sint Maarten?

The flight distance from Dulles to Sint Maarten is 1,678 miles (2,701 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Dulles to Sint Maarten?

At 4h 9m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

Do I need a visa to travel from USA to Sint Maarten?

Depends on your passport. Check with the Sint Maarten embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Dulles to Sint Maarten?

Roughly 284 kg CO2 per passenger one-way. That's about the same as driving 1,420 km.

Is the return flight from Sint Maarten to Dulles also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Dulles to Sint Maarten?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Washington Dulles International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.