Cheap Flights from Washington Dulles to Lisbon

Compare Washington Dulles to Lisbon flight deals

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Flight deals from Washington Dulles to Lisbon

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Lisbon Airport? If you want to travel next month, return fares start from Rs213,846. Find the lowest prices on one-way and return tickets right here.

Lisbon.Rs69,244 per passenger.Departing Fri, 28 Aug.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Fri, 28 Aug, arriving in Lisbon.Price includes taxes and charges.From Rs69,244, select.

Lisbon.Rs76,746 per passenger.Departing Tue, 1 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Tue, 1 Sep, arriving in Lisbon.Price includes taxes and charges.From Rs76,746, select.

Lisbon.Rs78,623 per passenger.Departing Mon, 20 Jul.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 20 Jul, arriving in Lisbon.Price includes taxes and charges.From Rs78,623, select.

Lisbon.Rs80,644 per passenger.Departing Mon, 19 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Mon, 19 Oct, arriving in Lisbon.Price includes taxes and charges.From Rs80,644, select.

Lisbon.Rs88,024 per passenger.Departing Mon, 16 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 16 Nov, arriving in Lisbon.Price includes taxes and charges.From Rs88,024, select.

Lisbon.Rs88,399 per passenger.Departing Fri, 8 Jan.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Washington Dulles on Fri, 8 Jan, arriving in Lisbon.Price includes taxes and charges.From Rs88,399, select.

Lisbon.Rs88,437 per passenger.Departing Wed, 3 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Washington Dulles on Wed, 3 Feb, arriving in Lisbon.Price includes taxes and charges.From Rs88,437, select.

Lisbon.Rs88,699 per passenger.Departing Mon, 28 Dec.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Washington Dulles on Mon, 28 Dec, arriving in Lisbon.Price includes taxes and charges.From Rs88,699, select.

Lisbon.Rs89,014 per passenger.Departing Thu, 4 Mar.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Washington Dulles on Thu, 4 Mar, arriving in Lisbon.Price includes taxes and charges.From Rs89,014, select.

Lisbon.Rs89,134 per passenger.Departing Tue, 27 Apr.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Washington Dulles on Tue, 27 Apr, arriving in Lisbon.Price includes taxes and charges.From Rs89,134, select.

Lisbon.Rs91,900 per passenger.Departing Tue, 4 May.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Washington Dulles on Tue, 4 May, arriving in Lisbon.Price includes taxes and charges.From Rs91,900, select.

Lisbon.Rs150,345 per passenger.Departing Sun, 29 Nov.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 29 Nov, arriving in Lisbon.Price includes taxes and charges.From Rs150,345, select.

Lisbon.Rs153,351 per passenger.Departing Tue, 13 Oct.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 13 Oct, arriving in Lisbon.Price includes taxes and charges.From Rs153,351, select.

Lisbon.Rs153,442 per passenger.Departing Sun, 6 Dec.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 6 Dec, arriving in Lisbon.Price includes taxes and charges.From Rs153,442, select.

Lisbon.Rs161,614 per passenger.Departing Mon, 21 Sep.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Mon, 21 Sep, arriving in Lisbon.Price includes taxes and charges.From Rs161,614, select.

Lisbon.Rs181,312 per passenger.Departing Tue, 30 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue, 30 Jun, arriving in Lisbon.Price includes taxes and charges.From Rs181,312, select.

Find the cheapest month to fly from Washington Dulles to Lisbon

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

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Direct flights from Washington Dulles to Lisbon

Washington Dulles to Lisbon: Alternative routes

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

Lisbon

8km from central Lisbon

ClosestCheapest

from Rs69,244

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Cascais Municipal Aerodrome

19km from central Lisbon

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Washington D.C. to Lisbon: Flight information

The things to know before you go.

Cheapest flight found	Rs69,244
Cheapest month to fly	August
Average flight time	7 hrs, 9 mins
Most popular airline	Lufthansa
Average flights per week	46

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

How much are return flights from Washington Dulles to Lisbon?

The best price we found for a return flight from Washington Dulles to Lisbon is Rs184,819. 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 Washington Dulles to Lisbon?

7 hours and 9 minutes is the average flight time from Washington Dulles to Lisbon.

Which airlines fly direct from Washington Dulles to Lisbon?

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

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

As of June 2026, there are 46 flights per week flying from Washington Dulles to Lisbon.

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Lisbon Airport on Sunday, 25 October 2026.

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

Yes – the average flight time is 7 hours and 9 minutes.

How can I find the best flight deal to Lisbon?

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 Lisbon 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 Lisbon?

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

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

Currently, Royal Air Maroc and United offer the cheapest flight tickets to Lisbon.

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

Hop on a direct flight from Washington Dulles Airport to Lisbon Airport and you'll be in the air for an average of 7 hours 15 minutes.
Lisbon's timezone is UTC+0, making Lisbon five hours ahead of Washington DC.
Flights from IAD to LIS start at 17:00 — the first with TAP Air Portugal. The last departure is at 23:30 with TAP Air Portugal. Overall, you can take your pick of 16 weekly Washington Dulles Airport to Lisbon Airport flights.
Leave enough time to catch your IAD to LIS flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.
Flying during a peak month like July? Major public holidays and other popular seasons can result in longer lines at check-in and security. Play it safe and get there up to four hours before international flights and two hours before domestic departures.
Travelling to Lisbon (and then discovering more of Portugal!) is a breeze with TAP Air Portugal. This popular carrier offers direct flights from Washington Dulles Airport to Lisbon Airport.
TAP Air Portugal is the most frequently booked airline on this route.
United is the most punctual carrier that offers IAD to LIS flights, with 78.33% of its services arriving as scheduled.
Consider adding a stopover when booking your ticket from Washington Dulles Airport to Lisbon Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between IAD and LIS:
- New York Newark Airport
- Philadelphia International Airport
- Mohammed V Airport

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

Rs69,244 is the lowest price for a one-way Washington Dulles Airport to Lisbon Airport flight. Return flights start from Rs184,819. These prices can change depending on demand and availability.
Get cheap tickets from IAD to LIS by booking six months ahead. According to our research, that's the sweet spot for landing a bargain.
The cheapest month for flights from Washington Dulles Airport to Lisbon Airport is November. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.
You won't have to check every day to see if fares have gone down when you create a Price Alert. We'll update you the moment a special offer becomes available on cheap flights from IAD to LIS.
Tailor your flights using filters. Select your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Washington Dulles Airport to Lisbon Airport.

Handy information about Washington Dulles Airport (IAD)

IAD's address is 1 Saarinen Circle.
Of the departures from Washington Dulles Airport, 77% touch down on time at their destination.
To get to Washington Dulles Airport from central Washington DC, it takes around 45 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.
Planning to take public transport? Expect a journey time of around 1 hour 10 minutes.
Get your trip off to a hassle-free start by staying near IAD. Whether you're taking an early flight from Washington Dulles Airport to Lisbon Airport or just don't want to be rushed, these stays have you covered:

Arriving at Lisbon Airport (LIS)

The last thing you want is a lengthy trip to your hotel if you're getting in late on a Washington Dulles Airport to Lisbon Airport flight. Book one of these accommodation options near LIS instead:
Travel at your own pace with a Lisbon Airport rental car. Pick up your wheels from Klass Wagen, Goldcar or OK Mobility and chase adventure across Lisbon and beyond.
Secure the lowest price by reserving your vehicle from Lisbon Airport around two weeks ahead of your trip.

Getting from Lisbon Airport (LIS) to central Lisbon

Lisbon Airport is approximately 8 kilometres from the centre of Lisbon. Driving there takes about 20 minutes.
It'll take around 25 minutes if you're travelling on public transport.

When to fly to Lisbon Airport (LIS)

August is the most popular month for flights from Washington Dulles Airport to Lisbon Airport. To escape the crowds, visit Lisbon in March.
Book your flight from Washington Dulles Airport to Lisbon Airport for August if you'd like to go to Lisbon during its warmest month. Expect temperatures of between 16ºC and 29ºC.
Look for cheap tickets from IAD to LIS in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 8ºC and 16ºC on average.

Explore more of Portugal

Lisbon has plenty to offer, but there are so many other corners of Portugal waiting to be discovered. About 274 kilometres north of Lisbon, a visit to Porto will keep you on the go. Start with leading attractions like Ribeira District, Rio Douro and Livraria Lello.
If you're eager to discover another major stop in Portugal, consider Amadora, roughly 8 kilometres north-west of Lisbon. Roman Villa, Park Fantasia and Palácio dos Condes da Lousã are the start of reasons to visit.