Cheap Flights from Washington D.C. (WASA) to Lisbon (LIS)

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Flight deals from Washington D.C. to Lisbon

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Lisbon Airport? If you want to travel next month, return fares start from $1,056. Find the lowest prices on one-way and return tickets right here.

Lisbon.$988 per passenger.Departing Wed, 18 Nov, returning Sun, 29 Nov.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Wed, 18 Nov, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Sun, 29 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $988, select.

Lisbon.$988 per passenger.Departing Sun, 11 Oct, returning Tue, 20 Oct.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Sun, 11 Oct, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Tue, 20 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $988, select.

Lisbon.$988 per passenger.Departing Wed, 28 Oct, returning Tue, 3 Nov.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Wed, 28 Oct, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Tue, 3 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $988, select.

Lisbon.$989 per passenger.Departing Mon, 11 Jan, returning Wed, 20 Jan.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Mon, 11 Jan, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Wed, 20 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $989, select.

Lisbon.$989 per passenger.Departing Wed, 2 Dec, returning Sat, 5 Dec.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Wed, 2 Dec, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Sat, 5 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $989, select.

Lisbon.$989 per passenger.Departing Wed, 30 Sep, returning Mon, 5 Oct.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Wed, 30 Sep, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Mon, 5 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $989, select.

Lisbon.$989 per passenger.Departing Sun, 22 Nov, returning Tue, 1 Dec.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Sun, 22 Nov, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Tue, 1 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $989, select.

Lisbon.$989 per passenger.Departing Sun, 7 Feb, returning Thu, 11 Feb.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Sun, 7 Feb, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Thu, 11 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $989, select.

Lisbon.$993 per passenger.Departing Fri, 15 Jan, returning Sat, 27 Feb.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Fri, 15 Jan, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Sat, 27 Feb, arriving in Washington Dulles.Price includes taxes and charges.From $993, select.

Lisbon.$993 per passenger.Departing Fri, 30 Oct, returning Sat, 5 Dec.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Fri, 30 Oct, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Sat, 5 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $993, select.

Lisbon.$993 per passenger.Departing Wed, 10 Mar, returning Wed, 17 Mar.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Wed, 10 Mar, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Wed, 17 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $993, select.

Lisbon.$995 per passenger.Departing Sun, 20 Sep, returning Thu, 26 Nov.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Sun, 20 Sep, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Thu, 26 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $995, select.

Lisbon.$1,020 per passenger.Departing Sat, 4 Jul, returning Mon, 27 Jul.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 4 Jul, arriving in Lisbon.Inbound indirect flight with WestJet, departs from Lisbon on Mon, 27 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $1,020, select.

Lisbon.$1,021 per passenger.Departing Thu, 20 Aug, returning Thu, 27 Aug.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 20 Aug, arriving in Lisbon.Inbound indirect flight with Scandinavian Airlines, departs from Lisbon on Thu, 27 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,021, select.

Lisbon.$1,027 per passenger.Departing Mon, 3 May, returning Thu, 6 May.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Mon, 3 May, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Thu, 6 May, arriving in Washington Dulles.Price includes taxes and charges.From $1,027, select.

Lisbon.$1,027 per passenger.Departing Wed, 7 Apr, returning Sun, 11 Apr.Return flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Wed, 7 Apr, arriving in Lisbon.Inbound indirect flight with Royal Air Maroc, departs from Lisbon on Sun, 11 Apr, arriving in Washington Dulles.Price includes taxes and charges.From $1,027, select.

Find the cheapest month to fly from Washington D.C. to Lisbon

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

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Direct flights from Washington D.C. to Lisbon

Washington D.C. to Lisbon: Alternative routes

Compare routes from Washington D.C. 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 $988

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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	$988
Cheapest month to fly	October
Average flight time	7 hrs, 13 mins
Most popular airline	TAP Air Portugal
Average flights per week	148

Finding cheap flights from Washington D.C. to Lisbon: Frequently asked questions

How much are return flights from Washington D.C. to Lisbon?

The best price we found for a return flight from Washington D.C. to Lisbon is $988. 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 D.C. to Lisbon?

7 hours and 13 minutes is the average flight time from Washington D.C. to Lisbon.

Which airlines fly direct from Washington D.C. to Lisbon?

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

How many flights are there a week from Washington D.C. to Lisbon?

As of May 2026, there are 148 flights per week flying from Washington D.C. to Lisbon.

When is the cheapest time to fly from Washington D.C. to Lisbon?

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

Which upcoming date is cheapest to fly from Washington D.C. to Lisbon Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Lisbon Airport on Sunday, 11 October 2026.

Can I get a direct flight from Washington D.C. to Lisbon Airport?

Yes – the average flight time is 7 hours and 13 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.

Flying from Washington DC to Lisbon Humberto Delgado Airport (LIS): What you need to know

Planning your getaway begins with working out where you'll fly out of in Washington DC. Washington Dulles International Airport (IAD) is the city's main base, so check out your options for reserving a flight from Washington DC to Lisbon Humberto Delgado Airport (LIS) out of here.
Lisbon is five hours ahead of Washington DC. Lisbon Humberto Delgado Airport is located in Lisbon, which runs on the UTC+0 timezone.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to catch your flight from Washington DC to LIS.
July is a busy time to fly out. If you're taking off then or during a major holiday like Thanksgiving or Christmas, show up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

Think about adding a stopover to find cheap flights from Washington DC to LIS. Simply uncheck 'Direct flights only' when searching for departures from Ronald Reagan Washington National Airport (DCA). Break up the journey at one of these popular options:
- Newark Liberty International Airport (EWR)
- Boston Logan International Airport (BOS)
- Toronto Pearson International Airport (YYZ)
The journey from central Washington DC to DCA takes around 25 minutes by public transport. If you ride-share, drive or get a taxi, you'll cover the 6 kilometres in 10 minutes or so, depending on traffic conditions.
Have an early flight from Washington DC to Lisbon Humberto Delgado Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by picking one of these stays near Ronald Reagan Washington National Airport:
71% of flights leaving from Ronald Reagan Washington National Airport reach their destination on time.
You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

Consider starting your trip from Washington Dulles International Airport (IAD). You can book a direct Washington DC to Lisbon Humberto Delgado Airport (LIS) plane ticket from this hub.
TAP Portugal offers direct flights from Washington DC to LIS departing from IAD. Book your favourite seat and arrive at your destination in one go.
TAP Air Portugal is the top choice for travellers flying from IAD to LIS.
The carrier with the best on-time performance is United. Its Washington Dulles International Airport to Lisbon Humberto Delgado Airport flights arrive as planned 78.33% of the time.
Add a little extra to your holiday with a stopover on your flight from Washington DC to Lisbon Humberto Delgado Airport. Check out these connections between Washington Dulles International Airport and LIS:
- Newark Liberty International Airport (EWR)
- Philadelphia International Airport (PHL)
- Casablanca Mohammed V International Airport (CMN)
IAD is around 40 kilometres from central Washington DC. It'll take you 45 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 10 minutes.
Start your holiday sooner with an additional night away from home. Before your Washington DC to LIS flight, kick back in one of these hotels close to Washington Dulles International Airport:
77% of flights departing Washington Dulles International Airport make it to their destination as expected.
The address for IAD is 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

Choosing a plane ticket from Washington DC to Lisbon Humberto Delgado Airport (LIS) with a stop or two can offer you more departure time choices along with better fares. When leaving from Baltimore Washington International Airport (BWI), here's where you can detour to on the way to LIS:
- London Heathrow Airport (LHR)
- New York John F. Kennedy International Airport (JFK)
- Boston Logan International Airport (BOS)
BWI is roughly 48 kilometres from central Washington DC. Driving from the city centre to the airport takes about 40 minutes. If you're planning to take public transport, you can expect a journey of around 50 minutes.
Set yourself up for a smooth departure — stay close to Baltimore Washington International Airport and know you'll get to your boarding gate with time to spare. Check in to one of these hotels the day before if you're catching an early Washington DC to Lisbon Humberto Delgado Airport flight:
Flights that take off from BWI land at their destination on schedule 77% of the time.

About Lisbon Humberto Delgado Airport (LIS)

If you're arriving on a late flight from Washington DC to Lisbon Humberto Delgado Airport, few things top the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and snoozing soon after at one of these options near LIS:
Lock in the best deal by booking your ride around two weeks before your Washington DC to Lisbon Humberto Delgado Airport flight.

Getting from Lisbon Humberto Delgado Airport (LIS) to central Lisbon

Lisbon Humberto Delgado Airport is around 6 kilometres from central Lisbon. How long it takes to get there by taxi or car hire will depend on the time of day. Do a little research before you go.
When travelling on public transport, expect a journey time of around 25 minutes.

How to find the cheapest flights from Washington DC to Lisbon Humberto Delgado Airport (LIS)

The lowest price we've found for a one-way ticket from Washington DC to Lisbon Humberto Delgado Airport is $503. For a return flight on this route, the best price is $988. Depending on when and how early you book, these fares may change.
To snap up cheap flights from Washington DC to LIS, book your ticket six months before your planned departure.
Organise your trip for November. That's the best month for scoring a great bargain on Washington DC to Lisbon Humberto Delgado Airport tickets. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest price across each month.
You don't need to search every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment a new deal shows up on plane tickets from Washington DC to LIS.
Filters make it easier to track down a bargain for your flight from Washington DC to Lisbon Humberto Delgado Airport. Pick the departure times, airlines and number of stops that check all your boxes. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Washington DC to Lisbon Humberto Delgado Airport (LIS)

January is the quietest month for flights from Washington DC to Lisbon Humberto Delgado Airport (LIS), while August is the most popular. Choose the best time to go to Lisbon based on whether you like a bustling atmosphere or a more laid-back vibe.
Lock in a Washington DC to LIS plane ticket departing in August if you're eager to experience the city during its warmest month. You can expect temperatures in Lisbon to range from 16ºC (61ºF) to 29ºC (84ºF).
If you want to travel in cooler conditions, search for a cheap ticket from Washington DC to Lisbon Humberto Delgado Airport in January when temperatures are between 8ºC (46ºF) and 16ºC (61ºF).

More about Lisbon

After booking your flight from Washington DC to Lisbon Humberto Delgado Airport, find a hotel that puts you in a great location. Make one of these options your base for exploring Lisbon:
Your visit to Lisbon should come with a side of sightseeing. Top attractions that should be on your list include Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

Explore more of Portugal

Lisbon has plenty going for it, but there are so many other parts of Portugal you'll want to see. Around 274 kilometres north of Lisbon, a trip to Porto will fill your itinerary to the brim. Start with leading sights like Ribeira District, Rio Douro and Livraria Lello.
Coimbra is another sought-after destination in Portugal and is around 177 kilometres north of Lisbon. No trip is complete without a visit to Biblioteca Joanina, Old Cathedral of Coimbra (Se Velha de Coimbra) and Paço das Escolas.