Cheap Flights from Washington Dulles to Lisbon from P31,546

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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 to Lisbon? Find the lowest prices on one-way and return tickets right here.

Lisbon.P31,546 per passenger.Departing Wed, 13 Aug, returning Wed, 20 Aug.Return flight with Air Canada and Air Europa.Outbound indirect flight with Air Canada, departs from Washington Dulles on Wed, 13 Aug, arriving in Lisbon.Inbound indirect flight with Air Europa, departs from Lisbon on Wed, 20 Aug, arriving in Washington Dulles.Price includes taxes and charges.From P31,546, select.

Lisbon.P32,548 per passenger.Departing Sat, 28 Feb, returning Fri, 6 Mar.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 28 Feb, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Fri, 6 Mar, arriving in Washington Dulles.Price includes taxes and charges.From P32,548, select.

Lisbon.P33,272 per passenger.Departing Thu, 5 Mar, returning Sat, 14 Mar.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 5 Mar, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Sat, 14 Mar, arriving in Washington Dulles.Price includes taxes and charges.From P33,272, select.

Lisbon.P33,273 per passenger.Departing Sat, 14 Feb, returning Sat, 28 Feb.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 14 Feb, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Sat, 28 Feb, arriving in Washington Dulles.Price includes taxes and charges.From P33,273, select.

Lisbon.P33,323 per passenger.Departing Sat, 31 Jan, returning Sat, 28 Feb.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 31 Jan, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Sat, 28 Feb, arriving in Washington Dulles.Price includes taxes and charges.From P33,323, select.

Lisbon.P33,720 per passenger.Departing Sat, 17 Jan, returning Sat, 24 Jan.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 17 Jan, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Sat, 24 Jan, arriving in Washington Dulles.Price includes taxes and charges.From P33,720, select.

Lisbon.P33,890 per passenger.Departing Thu, 20 Nov, returning Wed, 26 Nov.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 20 Nov, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Wed, 26 Nov, arriving in Washington Dulles.Price includes taxes and charges.From P33,890, select.

Lisbon.P34,049 per passenger.Departing Sat, 18 Apr, returning Sat, 2 May.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 18 Apr, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Sat, 2 May, arriving in Washington Dulles.Price includes taxes and charges.From P34,049, 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.

Washington D.C. to Lisbon: Flight information

The things to know before you go.

Cheapest flight found	P31,546
Cheapest month to fly	August
Average flight time	7 hrs, 14 mins
Most popular airline	TAP Air Portugal
Average flights per week	35

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 P31,546. 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 14 minutes is the average flight time from Washington Dulles to Lisbon.

Which airlines fly direct from Washington Dulles to Lisbon?

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

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

As of July 2025, there are 35 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 August.

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 Wednesday, 13 August 2025.

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

Yes – the average flight time is 7 hours and 14 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, Air Canada and TAP Air Portugal offer the cheapest flight tickets to Lisbon.

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

Book a direct flight from Washington Dulles International Airport to Lisbon Portela Airport and you'll be in the air for an average of 7 hours 15 minutes.
Lisbon is four hours ahead of Washington DC and follows the UTC+0 timezone.
You can choose from 22 weekly Washington Dulles International Airport to Lisbon Portela Airport flights. The 17:00 departure with TAP Portugal is the earliest flight you can take. TAP Portugal operates the last service of the day at 23:30.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to board your IAD to LIS flight.
Travelling during a peak time like April? School holidays and other popular periods can mean longer queues and delays at check-in and security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.
TAP Portugal offers direct flights from Washington Dulles International Airport to Lisbon Portela Airport. Book with this popular airline, then get ready to discover the sights in Lisbon — and maybe even more of Portugal if your schedule allows.
The majority of passengers choose to travel with TAP Portugal on this route.
TAP Portugal is the most punctual carrier that offers IAD to LIS flights, with 68.33% of its services arriving on schedule.
We make it simple to book a flight with a stopover. To see all your options for tickets from Washington Dulles International Airport to Lisbon Portela Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Some great stopovers between IAD and LIS include:
- Philadelphia International Airport
- Newark Liberty International Airport
- Mohamed V International Airport

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

Right now, P14,449 is the cheapest price we've found for a one-way Washington Dulles International Airport to Lisbon Portela Airport flight. The best price for a return ticket is P31,546. Keep in mind that fares could change due to demand at the time of booking.
Don't leave things to the last minute. You're more likely to get cheap tickets from IAD to LIS if you book ahead. Airlines often have some excellent early bird deals.
November is the cheapest month for flights from Washington Dulles International Airport to Lisbon Portela Airport. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.
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 as soon as the price changes on cheap flights from IAD to LIS.
Lock in the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Washington Dulles International Airport to Lisbon Portela Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

You'll find IAD at 1 Saarinen Circle.
74.39% of flights leaving from Washington Dulles International Airport reach their destination on time.
To get to Washington Dulles International Airport from central Washington DC, it takes about 50 minutes if you're going by car. This depends on traffic though. It's approximately 56 kilometres from the airport to the city centre.
The journey when using public transport will take about 3 hours 25 minutes.
Have an early flight from Washington Dulles International Airport to Lisbon Portela Airport? Avoid the last-minute rush to the airport (and catch some extra z's) by choosing one of these stays near IAD:

Arriving at Lisbon Portela Airport (LIS)

Reserve a hotel near LIS if you have a late Washington Dulles International Airport to Lisbon Portela Airport flight. Pick one of these options and skip the long transfer after landing:
Pick up a Lisbon Portela Airport rental car and discover Lisbon and beyond with your own set of wheels. Klass Wagen, Goldcar and OK Mobility are well-known companies you can book with here.
Get the best deal by reserving your ride from Lisbon Portela Airport around two weeks ahead of your departure.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

Lisbon Portela Airport to central Lisbon has a drive time of about 20 minutes. It's approximately 10 kilometres away.
If you're travelling on public transport, expect a journey of about 1 hour.

When to fly to Lisbon Portela Airport (LIS)

June is the most popular month for flights from Washington Dulles International Airport to Lisbon Portela Airport. For a quieter experience, visit Lisbon in January.
The warmest month in Lisbon is August, with the temperature ranging between 16ºC (61ºF) and 29ºC (84ºF). Book your flights from Washington Dulles International Airport to Lisbon Portela Airport in this month if you enjoy this type of weather.
If you like travelling in cooler conditions, look for a cheap ticket from IAD to LIS in January. Temperatures average between 8ºC (46ºF) and 16ºC (61ºF) then.

Explore more of Portugal

You've done Lisbon, now it's time to explore other parts of Portugal. Travel about 274 kilometres north to Porto to check off its leading sights. From Livraria Lello to Ribeira District and The Douro River, there's plenty to keep you busy.
Around 8 kilometres north-west of Lisbon, Amadora is another essential stop in Portugal. Get a taste of what this destination has to offer at Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.