Direct (nonstop) flights from Dulles to London

3 airlines fly nonstop from Washington Dulles International (IAD) to Heathrow (LHR). It's 3,676 miles (5,916 km), about 7h 30m in the air. Operated by British Airways, United Airlines, Virgin Atlantic.

IAD
Washington Dulles International
🇺🇸 Dulles, USA
LHR
Heathrow
🇬🇧 London, United Kingdom
Flight Time
7h 30m
Distance
3,676 mi
5,916 km
CO₂/pax
562 kg
−55 kg vs. layover
Airlines
3
British Airways +2
Time Diff
+5h
Operated by British Airways British Airways United Airlines United Airlines Virgin Atlantic Virgin Atlantic

Route data last updated: May 29, 2026

Airlines with non-stop flights

British Airways BA British Airways
Route
IAD → LHR
Flight Time
7h 30m
Distance
3,676 mi
United Airlines UA United Airlines
Route
IAD → LHR
Flight Time
7h 30m
Distance
3,676 mi
Virgin Atlantic VS Virgin Atlantic
Route
IAD → LHR
Flight Time
7h 30m
Distance
3,676 mi

Alternative Routes

Other ways to fly from Dulles to London with one stop · direct emits 562 kg CO₂ per passenger

IAD YOW (Ottawa) LHR
Leg 1: 1h 43m (449 mi) Leg 2: 6h 25m (3,332 mi) Total: ~8h 8m 🍃 617 kg CO₂ (+10% vs. direct)
Leg 1
IAD → YOW
1h 43m · 449 mi
View IAD to YOW flights →
Leg 2
YOW → LHR
6h 25m · 3,332 mi
View YOW to LHR flights →
IAD YHZ (Halifax) LHR
Leg 1: 2h 26m (825 mi) Leg 2: 5h 55m (2,857 mi) Total: ~8h 21m 🍃 615 kg CO₂ (+9% vs. direct)
Leg 1
IAD → YHZ
2h 26m · 825 mi
View IAD to YHZ flights →
Leg 2
YHZ → LHR
5h 55m · 2,857 mi
View YHZ to LHR flights →
IAD PHL (Philadelphia) LHR
Leg 1: 1h 15m (134 mi) Leg 2: 7h 10m (3,545 mi) Total: ~8h 25m 🍃 592 kg CO₂ (+5% vs. direct)
Leg 1
IAD → PHL
1h 15m · 134 mi
View IAD to PHL flights →
Leg 2
PHL → LHR
7h 10m · 3,545 mi
View PHL to LHR flights →
IAD PIT (Pittsburgh) LHR
Leg 1: 1h 7m (183 mi) Leg 2: 7h 20m (3,721 mi) Total: ~8h 27m 🍃 628 kg CO₂ (+12% vs. direct)
Leg 1
IAD → PIT
1h 7m · 183 mi
View IAD to PIT flights →
Leg 2
PIT → LHR
7h 20m · 3,721 mi
View PIT to LHR flights →
IAD BOS (Boston) LHR
Leg 1: 1h 43m (411 mi) Leg 2: 6h 45m (3,265 mi) Total: ~8h 28m 🍃 600 kg CO₂ (+7% vs. direct)
Leg 1
IAD → BOS
1h 43m · 411 mi
View IAD to BOS flights →
Leg 2
BOS → LHR
6h 45m · 3,265 mi
View BOS to LHR flights →

Looking for the return flight?

LHR → IAD: Flights from London to Dulles

Frequently Asked Questions

How long is the direct flight from Dulles to London?

A nonstop flight from Dulles (IAD) to London (LHR) takes approximately 7 hours and 30 minutes. The distance is 3,676 miles (5,916 km).

Which airlines fly nonstop from Dulles to London?

3 airlines: British Airways, United Airlines, Virgin Atlantic.

Is there a nonstop flight from Dulles to London?

Yes. 3 airlines: British Airways, United Airlines, Virgin Atlantic.

How far is Dulles from London?

The flight distance from Dulles to London is 3,676 miles (5,916 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to New York.

What is the time difference between Dulles and London?

London is 5 hours ahead of Dulles. (America/New_York vs Europe/London.)

Will I experience jet lag flying from Dulles to London?

Maybe mild — 5-hour difference. Most people adjust in a day or two.

What type of aircraft flies from Dulles to London?

At 7h 30m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

Do I need a visa to travel from USA to United Kingdom?

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

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

Roughly 562 kg CO2 per passenger one-way. That's about the same as driving 2,810 km.

Is the return flight from London 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 London?

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.