Direct (nonstop) flights from Dulles to Key West

1 airline flys nonstop from Washington Dulles International (IAD) to Key West International (EYW). It's 1,023 miles (1,647 km), about 3h 22m in the air. Operated by United Airlines.

IAD
Washington Dulles International
🇺🇸 Dulles, USA
EYW
Key West International
🇺🇸 Key West, USA
Flight Time
3h 22m
Distance
1,023 mi
1,647 km
CO₂/pax
173 kg
−75 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IAD → EYW
Flight Time
3h 22m
Distance
1,023 mi

Alternative Routes

Other ways to fly from Dulles to Key West with one stop · direct emits 173 kg CO₂ per passenger

IAD TYS (Knoxville) EYW
Leg 1: 1h 34m (420 mi) Leg 2: 2h 4m (786 mi) Total: ~3h 38m 🍃 248 kg CO₂ (+43% vs. direct)
Leg 1
IAD → TYS
1h 34m · 420 mi
View IAD to TYS flights →
Leg 2
TYS → EYW
2h 4m · 786 mi
View TYS to EYW flights →
IAD MCO (Orlando) EYW
Leg 1: 2h 28m (758 mi) Leg 2: 1h 16m (268 mi) Total: ~3h 44m 🍃 215 kg CO₂ (+24% vs. direct)
Leg 1
IAD → MCO
2h 28m · 758 mi
View IAD to MCO flights →
Leg 2
MCO → EYW
1h 16m · 268 mi
View MCO to EYW flights →
IAD AVL (Asheville) EYW
Leg 1: 1h 34m (371 mi) Leg 2: 2h 10m (751 mi) Total: ~3h 44m 🍃 233 kg CO₂ (+35% vs. direct)
Leg 1
IAD → AVL
1h 34m · 371 mi
View IAD to AVL flights →
Leg 2
AVL → EYW
2h 10m · 751 mi
View AVL to EYW flights →
IAD TPA (Tampa) EYW
Leg 1: 2h 33m (811 mi) Leg 2: 1h 14m (240 mi) Total: ~3h 47m 🍃 220 kg CO₂ (+27% vs. direct)
Leg 1
IAD → TPA
2h 33m · 811 mi
View IAD to TPA flights →
Leg 2
TPA → EYW
1h 14m · 240 mi
View TPA to EYW flights →
IAD RDU (Raleigh/Durham) EYW
Leg 1: 1h 15m (224 mi) Leg 2: 2h 34m (799 mi) Total: ~3h 49m 🍃 215 kg CO₂ (+24% vs. direct)
Leg 1
IAD → RDU
1h 15m · 224 mi
View IAD to RDU flights →
Leg 2
RDU → EYW
2h 34m · 799 mi
View RDU to EYW flights →

Looking for the return flight?

EYW → IAD: Flights from Key West to Dulles

Frequently Asked Questions

How long is the direct flight from Dulles to Key West?

A nonstop flight from Dulles (IAD) to Key West (EYW) takes approximately 3 hours and 22 minutes. The distance is 1,023 miles (1,647 km).

Which airlines fly nonstop from Dulles to Key West?

Just United Airlines.

Is there a nonstop flight from Dulles to Key West?

Yes. 1 airline: United Airlines.

How far is Dulles from Key West?

The flight distance from Dulles to Key West is 1,023 miles (1,647 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What type of aircraft flies from Dulles to Key West?

At 3h 22m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Dulles to Key West?

Roughly 173 kg CO2 per passenger one-way. That's about the same as driving 865 km.

Is the return flight from Key West 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 Key West?

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?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.