Direct (nonstop) flights from Saint Thomas to Dulles

1 airline flys nonstop from Saint Thomas (STT) to Washington Dulles International (IAD). It's 1,606 miles (2,584 km), about 4h 18m in the air. Operated by United Airlines.

STT
Saint Thomas
🇻🇮 Saint Thomas, U.S. Virgin Islands
IAD
Washington Dulles International
🇺🇸 Dulles, USA
Flight Time
4h 18m
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 28, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
STT → IAD
Flight Time
4h 18m
Distance
1,606 mi

Alternative Routes

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

STT SJU (San Juan) IAD
Leg 1: 45m (68 mi) Leg 2: 4h 5m (1,571 mi) Total: ~4h 50m 🍃 303 kg CO₂ (+12% vs. direct)
Leg 1
STT → SJU
45m · 68 mi
View STT to SJU flights →
Leg 2
SJU → IAD
4h 5m · 1,571 mi
View SJU to IAD flights →
STT PHL (Philadelphia) IAD
Leg 1: 4h 18m (1,605 mi) Leg 2: 1h 10m (134 mi) Total: ~5h 28m 🍃 321 kg CO₂ (+18% vs. direct)
Leg 1
STT → PHL
4h 18m · 1,605 mi
View STT to PHL flights →
Leg 2
PHL → IAD
1h 10m · 134 mi
View PHL to IAD flights →
STT MCO (Orlando) IAD
Leg 1: 3h 15m (1,246 mi) Leg 2: 2h 18m (758 mi) Total: ~5h 33m 🍃 376 kg CO₂ (+39% vs. direct)
Leg 1
STT → MCO
3h 15m · 1,246 mi
View STT to MCO flights →
Leg 2
MCO → IAD
2h 18m · 758 mi
View MCO to IAD flights →
STT FLL (Fort Lauderdale) IAD
Leg 1: 3h 2m (1,107 mi) Leg 2: 2h 38m (901 mi) Total: ~5h 40m 🍃 379 kg CO₂ (+40% vs. direct)
Leg 1
STT → FLL
3h 2m · 1,107 mi
View STT to FLL flights →
Leg 2
FLL → IAD
2h 38m · 901 mi
View FLL to IAD flights →
STT CLT (Charlotte) IAD
Leg 1: 4h 12m (1,520 mi) Leg 2: 1h 31m (321 mi) Total: ~5h 43m 🍃 341 kg CO₂ (+26% vs. direct)
Leg 1
STT → CLT
4h 12m · 1,520 mi
View STT to CLT flights →
Leg 2
CLT → IAD
1h 31m · 321 mi
View CLT to IAD flights →

Frequently Asked Questions

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

A nonstop flight from Saint Thomas (STT) to Dulles (IAD) takes approximately 4 hours and 18 minutes. The distance is 1,606 miles (2,584 km).

Which airlines fly nonstop from Saint Thomas to Dulles?

Just United Airlines.

Is there a nonstop flight from Saint Thomas to Dulles?

Yes. 1 airline: United Airlines.

How far is Saint Thomas from Dulles?

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

What type of aircraft flies from Saint Thomas to Dulles?

At 4h 18m, 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 U.S. Virgin Islands to USA?

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

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

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

Is the return flight from Dulles to Saint Thomas 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 Saint Thomas to Dulles?

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 Saint Thomas for this flight?

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