Direct (nonstop) flights from Lisbon to Dulles

2 airlines fly nonstop from Lisbon Airport (LIS) to Washington Dulles International (IAD). It's 3,591 miles (5,779 km), about 8h 50m in the air. Operated by TAP Portugal, United Airlines.

LIS
Lisbon Airport
🇵🇹 Lisbon, Portugal
IAD
Washington Dulles International
🇺🇸 Dulles, USA
Flight Time
8h 50m
Distance
3,591 mi
5,779 km
CO₂/pax
549 kg
−30 kg vs. layover
Airlines
2
TAP Portugal +1
Time Diff
-5h
Operated by TAP Portugal TAP Portugal United Airlines United Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

TAP Portugal TP TAP Portugal
Route
LIS → IAD
Flight Time
8h 50m
Distance
3,591 mi
United Airlines UA United Airlines
Route
LIS → IAD
Flight Time
8h 50m
Distance
3,591 mi

Alternative Routes

Other ways to fly from Lisbon to Dulles with one stop · direct emits 549 kg CO₂ per passenger

LIS PHL (Philadelphia) IAD
Leg 1: 8h (3,458 mi) Leg 2: 1h 10m (134 mi) Total: ~9h 10m 🍃 579 kg CO₂ (+5% vs. direct)
Leg 1
LIS → PHL
8h · 3,458 mi
View LIS to PHL flights →
Leg 2
PHL → IAD
1h 10m · 134 mi
View PHL to IAD flights →
LIS YHZ (Halifax) IAD
Leg 1: 6h 40m (2,786 mi) Leg 2: 2h 41m (825 mi) Total: ~9h 21m 🍃 604 kg CO₂ (+10% vs. direct)
Leg 1
LIS → YHZ
6h 40m · 2,786 mi
View LIS to YHZ flights →
Leg 2
YHZ → IAD
2h 41m · 825 mi
View YHZ to IAD flights →
LIS CMN (Casablanca) IAD
Leg 1: 1h 30m (382 mi) Leg 2: 8h (3,828 mi) Total: ~9h 30m 🍃 681 kg CO₂ (+24% vs. direct)
Leg 1
LIS → CMN
1h 30m · 382 mi
View LIS to CMN flights →
Leg 2
CMN → IAD
8h · 3,828 mi
View CMN to IAD flights →
LIS BOS (Boston) IAD
Leg 1: 7h 55m (3,193 mi) Leg 2: 1h 38m (411 mi) Total: ~9h 33m 🍃 589 kg CO₂ (+7% vs. direct)
Leg 1
LIS → BOS
7h 55m · 3,193 mi
View LIS to BOS flights →
Leg 2
BOS → IAD
1h 38m · 411 mi
View BOS to IAD flights →
LIS JFK (New York) IAD
Leg 1: 8h 5m (3,367 mi) Leg 2: 1h 30m (227 mi) Total: ~9h 35m 🍃 582 kg CO₂ (+6% vs. direct)
Leg 1
LIS → JFK
8h 5m · 3,367 mi
View LIS to JFK flights →
Leg 2
JFK → IAD
1h 30m · 227 mi
View JFK to IAD flights →

Looking for the return flight?

IAD → LIS: Flights from Dulles to Lisbon

Frequently Asked Questions

How long is the direct flight from Lisbon to Dulles?

A nonstop flight from Lisbon (LIS) to Dulles (IAD) takes approximately 8 hours and 50 minutes. The distance is 3,591 miles (5,779 km).

Which airlines fly nonstop from Lisbon to Dulles?

2 airlines: TAP Portugal, United Airlines.

Is there a nonstop flight from Lisbon to Dulles?

Yes. 2 airlines: TAP Portugal, United Airlines.

How far is Lisbon from Dulles?

The flight distance from Lisbon to Dulles is 3,591 miles (5,779 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 Lisbon and Dulles?

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

Will I experience jet lag flying from Lisbon to Dulles?

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

What type of aircraft flies from Lisbon to Dulles?

At 8h 50m, 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 Portugal 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 Lisbon to Dulles?

Roughly 549 kg CO2 per passenger one-way. That's about the same as driving 2,745 km.

Is the return flight from Dulles to Lisbon 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 Lisbon 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 Lisbon Airport for this flight?

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