Cheap Flights from Lisbon to Washington Dulles

Compare Lisbon to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Lisbon to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Lisbon Airport to Washington Dulles Airport? If you want to travel next month, return fares start from R 11,477. Find the lowest prices on one-way and return tickets right here.

Washington D.C..R 5,734 per passenger.Departing Thu, 24 Sep.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Thu, 24 Sep, arriving in Washington Dulles.Price includes taxes and charges.From R 5,734, select.

Washington D.C..R 5,734 per passenger.Departing Thu, 6 May.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Thu, 6 May, arriving in Washington Dulles.Price includes taxes and charges.From R 5,734, select.

Washington D.C..R 5,734 per passenger.Departing Tue, 20 Oct.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Tue, 20 Oct, arriving in Washington Dulles.Price includes taxes and charges.From R 5,734, select.

Washington D.C..R 5,739 per passenger.Departing Wed, 28 Apr.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 28 Apr, arriving in Washington Dulles.Price includes taxes and charges.From R 5,739, select.

Washington D.C..R 5,740 per passenger.Departing Wed, 2 Dec.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 2 Dec, arriving in Washington Dulles.Price includes taxes and charges.From R 5,740, select.

Washington D.C..R 5,743 per passenger.Departing Mon, 31 Aug.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Mon, 31 Aug, arriving in Washington Dulles.Price includes taxes and charges.From R 5,743, select.

Washington D.C..R 5,743 per passenger.Departing Fri, 12 Feb.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Fri, 12 Feb, arriving in Washington Dulles.Price includes taxes and charges.From R 5,743, select.

Washington D.C..R 5,756 per passenger.Departing Mon, 23 Nov.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Mon, 23 Nov, arriving in Washington Dulles.Price includes taxes and charges.From R 5,756, select.

Washington D.C..R 6,665 per passenger.Departing Wed, 27 Jan.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 27 Jan, arriving in Washington Dulles.Price includes taxes and charges.From R 6,665, select.

Washington D.C..R 6,844 per passenger.Departing Wed, 3 Mar.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 3 Mar, arriving in Washington Dulles.Price includes taxes and charges.From R 6,844, select.

Washington D.C..R 7,072 per passenger.Departing Wed, 2 Jun.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 2 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 7,072, select.

Washington D.C..R 7,224 per passenger.Departing Thu, 25 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Lisbon on Thu, 25 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 7,224, select.

Washington D.C..R 8,232 per passenger.Departing Wed, 1 Jul.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Lisbon on Wed, 1 Jul, arriving in Washington Dulles.Price includes taxes and charges.From R 8,232, select.

Washington D.C..R 9,408 per passenger.Departing Sun, 22 Nov.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Lisbon on Sun, 22 Nov, arriving in Washington Dulles.Price includes taxes and charges.From R 9,408, select.

Washington D.C..R 9,870 per passenger.Departing Thu, 27 Aug.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Lisbon on Thu, 27 Aug, arriving in Washington Dulles.Price includes taxes and charges.From R 9,870, select.

Washington D.C..R 9,972 per passenger.Departing Mon, 18 Jan.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Lisbon on Mon, 18 Jan, arriving in Washington Dulles.Price includes taxes and charges.From R 9,972, select.

Find the cheapest month to fly from Lisbon to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Lisbon to Washington Dulles flights are currently cheapest in September.

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Direct flights from Lisbon to Washington Dulles

Lisbon to Washington Dulles: Alternative routes

Compare routes from Lisbon to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Lisbon to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	R 5,734
Cheapest month to fly	October
Average flight time	8 hrs, 25 mins
Most popular airline	Lufthansa
Average flights per week	47

Finding cheap flights from Lisbon to Washington Dulles: Frequently asked questions

How much are return flights from Lisbon to Washington Dulles?

The best price we found for a return flight from Lisbon to Washington Dulles is R 9,935. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Lisbon to Washington Dulles?

8 hours and 25 minutes is the average flight time from Lisbon to Washington Dulles.

Which airlines fly direct from Lisbon to Washington Dulles?

Lufthansa, TAP Air Portugal and jetBlue fly direct from Lisbon to Washington Dulles.

How many flights are there a week from Lisbon to Washington Dulles?

As of June 2026, there are 47 flights per week flying from Lisbon to Washington Dulles.

When is the cheapest time to fly from Lisbon to Washington Dulles?

The cheapest month to fly from Lisbon to Washington Dulles is usually September.

Which upcoming date is cheapest to fly from Lisbon Airport to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to Washington Dulles Airport on Tuesday, 15 September 2026.

Can I get a direct flight from Lisbon Airport to Washington Dulles Airport?

Yes – the average flight time is 8 hours and 25 minutes.

How can I find the best flight deal to Washington Dulles?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Washington D.C.?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Lisbon Airport to Washington Dulles with?

Currently, American Airlines and TAP Air Portugal offer the cheapest flight tickets to Washington Dulles.

Travelling from Lisbon Airport (LIS) to Washington Dulles Airport (IAD): what you need to know

Jump on a direct flight from Lisbon Airport to Washington Dulles Airport and you'll be in the air for an average of 8 hours 25 minutes.
Washington DC's timezone is UTC-5, which makes Washington DC five hours behind Lisbon.
You can choose from 16 weekly Lisbon Airport to Washington Dulles Airport flights. The 09:15 departure with TAP Air Portugal is the earliest flight available. TAP Air Portugal operates the last service of the day at 17:30.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to catch your LIS to IAD flight.
Flying during a peak time such as August? School holidays and other popular periods can result in longer queues at security. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.
TAP Air Portugal is your ticket to exploring Washington DC (and perhaps some other exciting corners of the United States!). Browse the direct flights from Lisbon Airport to Washington Dulles Airport offered by this airline.
Most passengers choose to travel with TAP Air Portugal on this route.
Among carriers operating LIS to IAD flights, United has the best track record for timely arrivals.
If you want to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Lisbon Airport to Washington Dulles Airport. These are the most popular stopovers between LIS and IAD:
- Madrid Airport
- New York Newark Airport
- Philadelphia International Airport

How to find the cheapest flights from Lisbon Airport (LIS) to Washington Dulles Airport (IAD)

Currently, R 5,734 is the lowest price we've seen for a one-way Lisbon Airport to Washington Dulles Airport flight. The best price for a return ticket is R 9,935. Remember that fares could change due to availability when booking.
Don't leave everything to the last minute. You're more likely to get cheap tickets from LIS to IAD if you book early. Airlines often have some amazing early bird discounts.
The cheapest month for flights from Lisbon Airport to Washington Dulles Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have a flexible travel schedule.
You won't have to check back in every day to see if fares have gone down when you create a Price Alert. We'll update you the moment there's a new deal on cheap flights from LIS to IAD.
Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Lisbon Airport to Washington Dulles Airport.

Handy information about Lisbon Airport (LIS)

Of all flights departing from Lisbon Airport, 56% land on time at their destination.
Central Lisbon to Lisbon Airport is around 8 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a taxi.
You can expect a trip time of around 25 minutes on public transport.
Have an early flight from Lisbon Airport to Washington Dulles Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to LIS:

Arriving at Washington Dulles Airport (IAD)

The last thing you need is a lengthy journey to your hotel if you're arriving on a late Lisbon Airport to Washington Dulles Airport flight. Check in to one of these accommodation options near IAD instead:
Go where the road takes you with a Washington Dulles Airport rental car. Pick up your wheels from Dollar, Thrifty or Sixt and see more of Washington DC and beyond.
Reserving your vehicle from Washington Dulles Airport around one week in advance can help you get the lowest rate.

Getting from Washington Dulles Airport (IAD) to central Washington DC

You'll find IAD at 1 Saarinen Circle.
Washington Dulles Airport is roughly 40 kilometres from the centre of Washington DC. The drive time takes about 45 minutes.
It takes roughly 1 hour 10 minutes to get there using public transport.

When to fly to Washington Dulles Airport (IAD)

July is the most popular month for flights from Lisbon Airport to Washington Dulles Airport. To steer clear of the crowds, visit Washington DC in February.
Lock in your flight from Lisbon Airport to Washington Dulles Airport for July if you'd like to explore Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).
Look for cheap tickets from LIS to IAD in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of the United States

Washington DC is always a good idea, but there are so many other parts of the United States waiting to be explored. About 322 kilometres north-east of Washington DC, a trip to New York will keep you busy. Start with attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.
Around 193 kilometres north-east of Washington DC, Philadelphia is another favourite stop in the United States. Start your sightseeing at Independence Hall, Liberty Bell and Philadelphia Museum of Art.