Direct (nonstop) flights from Dulles to Saint Thomas

1 airline flys nonstop from Washington Dulles International (IAD) to Saint Thomas (STT). It's 1,606 miles (2,584 km), about 3h 57m in the air. Operated by United Airlines.

IAD
Washington Dulles International
🇺🇸 Dulles, USA
STT
Saint Thomas
🇻🇮 Saint Thomas, U.S. Virgin Islands
Flight Time
3h 57m
Distance
1,606 mi
2,584 km
CO₂/pax
271 kg
−32 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IAD → STT
Flight Time
3h 57m
Distance
1,606 mi

Alternative Routes

Other ways to fly from Dulles to Saint Thomas with one stop · direct emits 271 kg CO₂ per passenger

IAD SJU (San Juan) STT
Leg 1: 3h 52m (1,571 mi) Leg 2: 39m (68 mi) Total: ~4h 31m 🍃 303 kg CO₂ (+12% vs. direct)
Leg 1
IAD → SJU
3h 52m · 1,571 mi
View IAD to SJU flights →
Leg 2
SJU → STT
39m · 68 mi
View SJU to STT flights →
IAD PHL (Philadelphia) STT
Leg 1: 1h 15m (134 mi) Leg 2: 3h 58m (1,605 mi) Total: ~5h 13m 🍃 321 kg CO₂ (+18% vs. direct)
Leg 1
IAD → PHL
1h 15m · 134 mi
View IAD to PHL flights →
Leg 2
PHL → STT
3h 58m · 1,605 mi
View PHL to STT flights →
IAD CLT (Charlotte) STT
Leg 1: 1h 35m (321 mi) Leg 2: 3h 43m (1,520 mi) Total: ~5h 18m 🍃 341 kg CO₂ (+26% vs. direct)
Leg 1
IAD → CLT
1h 35m · 321 mi
View IAD to CLT flights →
Leg 2
CLT → STT
3h 43m · 1,520 mi
View CLT to STT flights →
IAD FLL (Fort Lauderdale) STT
Leg 1: 2h 49m (901 mi) Leg 2: 2h 34m (1,107 mi) Total: ~5h 23m 🍃 379 kg CO₂ (+40% vs. direct)
Leg 1
IAD → FLL
2h 49m · 901 mi
View IAD to FLL flights →
Leg 2
FLL → STT
2h 34m · 1,107 mi
View FLL to STT flights →
IAD MCO (Orlando) STT
Leg 1: 2h 28m (758 mi) Leg 2: 3h (1,246 mi) Total: ~5h 28m 🍃 376 kg CO₂ (+39% vs. direct)
Leg 1
IAD → MCO
2h 28m · 758 mi
View IAD to MCO flights →
Leg 2
MCO → STT
3h · 1,246 mi
View MCO to STT flights →

Frequently Asked Questions

How long is the direct flight from Dulles to Saint Thomas?

A nonstop flight from Dulles (IAD) to Saint Thomas (STT) takes approximately 3 hours and 57 minutes. The distance is 1,606 miles (2,584 km).

Which airlines fly nonstop from Dulles to Saint Thomas?

Just United Airlines.

Is there a nonstop flight from Dulles to Saint Thomas?

Yes. 1 airline: United Airlines.

How far is Dulles from Saint Thomas?

The flight distance from Dulles to Saint Thomas is 1,606 miles (2,584 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Dulles to Saint Thomas?

At 3h 57m, 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 U.S. Virgin Islands?

Depends on your passport. Check with the U.S. Virgin Islands embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Dulles to Saint Thomas?

Roughly 271 kg CO2 per passenger one-way. That's about the same as driving 1,355 km.

Is the return flight from Saint Thomas 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 Saint Thomas?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. 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.