Direct (nonstop) flights from London to Dulles

3 airlines fly nonstop from Heathrow (LHR) to Washington Dulles International (IAD). It's 3,676 miles (5,916 km), about 8h 25m in the air. Operated by British Airways, United Airlines, Virgin Atlantic.

LHR
Heathrow
🇬🇧 London, United Kingdom
IAD
Washington Dulles International
🇺🇸 Dulles, USA
Flight Time
8h 25m
Distance
3,676 mi
5,916 km
CO₂/pax
562 kg
−38 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 31, 2026

Airlines with non-stop flights

British Airways BA British Airways
Route
LHR → IAD
Flight Time
8h 25m
Distance
3,676 mi
United Airlines UA United Airlines
Route
LHR → IAD
Flight Time
8h 25m
Distance
3,676 mi
Virgin Atlantic VS Virgin Atlantic
Route
LHR → IAD
Flight Time
8h 25m
Distance
3,676 mi

Alternative Routes

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

LHR BOS (Boston) IAD
Leg 1: 7h 32m (3,265 mi) Leg 2: 1h 38m (411 mi) Total: ~9h 10m 🍃 600 kg CO₂ (+7% vs. direct)
Leg 1
LHR → BOS
7h 32m · 3,265 mi
View LHR to BOS flights →
Leg 2
BOS → IAD
1h 38m · 411 mi
View BOS to IAD flights →
LHR PHL (Philadelphia) IAD
Leg 1: 8h (3,545 mi) Leg 2: 1h 10m (134 mi) Total: ~9h 10m 🍃 592 kg CO₂ (+5% vs. direct)
Leg 1
LHR → PHL
8h · 3,545 mi
View LHR to PHL flights →
Leg 2
PHL → IAD
1h 10m · 134 mi
View PHL to IAD flights →
LHR YUL (Montreal) IAD
Leg 1: 7h 10m (3,250 mi) Leg 2: 2h (487 mi) Total: ~9h 10m 🍃 612 kg CO₂ (+9% vs. direct)
Leg 1
LHR → YUL
7h 10m · 3,250 mi
View LHR to YUL flights →
Leg 2
YUL → IAD
2h · 487 mi
View YUL to IAD flights →
LHR PIT (Pittsburgh) IAD
Leg 1: 8h 10m (3,721 mi) Leg 2: 1h 8m (183 mi) Total: ~9h 18m 🍃 628 kg CO₂ (+12% vs. direct)
Leg 1
LHR → PIT
8h 10m · 3,721 mi
View LHR to PIT flights →
Leg 2
PIT → IAD
1h 8m · 183 mi
View PIT to IAD flights →
LHR EWR (New York) IAD
Leg 1: 8h 5m (3,466 mi) Leg 2: 1h 23m (211 mi) Total: ~9h 28m 🍃 594 kg CO₂ (+6% vs. direct)
Leg 1
LHR → EWR
8h 5m · 3,466 mi
View LHR to EWR flights →
Leg 2
EWR → IAD
1h 23m · 211 mi
View EWR to IAD flights →

Looking for the return flight?

IAD → LHR: Flights from Dulles to London

Frequently Asked Questions

How long is the direct flight from London to Dulles?

A nonstop flight from London (LHR) to Dulles (IAD) takes approximately 8 hours and 25 minutes. The distance is 3,676 miles (5,916 km).

Which airlines fly nonstop from London to Dulles?

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

Is there a nonstop flight from London to Dulles?

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

How far is London from Dulles?

The flight distance from London to Dulles 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 London and Dulles?

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

Will I experience jet lag flying from London to Dulles?

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

What type of aircraft flies from London to Dulles?

At 8h 25m, 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 United Kingdom 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 London to Dulles?

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

Is the return flight from Dulles to London 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 London to Dulles?

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 Heathrow for this flight?

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