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

Compare Washington D.C. to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

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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? Find the lowest prices on one-way and return tickets right here.
Lisbon.$652 per passenger.Departing Wed, 8 Oct, returning Wed, 15 Oct.Return flight with Air Canada and TAP Air Portugal.Outbound indirect flight with Air Canada, departs from Washington Dulles on Wed, 8 Oct, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Wed, 15 Oct, arriving in Washington Dulles.Price includes taxes and charges.From $652, select.
Lisbon.$689 per passenger.Departing Thu, 25 Sep, returning Fri, 10 Oct.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from Baltimore Washington International on Thu, 25 Sep, arriving in Lisbon.Inbound indirect flight with Fly Play, departs from Lisbon on Fri, 10 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $689, select.
Lisbon.$706 per passenger.Departing Sun, 14 Sep, returning Fri, 19 Sep.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from Baltimore Washington International on Sun, 14 Sep, arriving in Lisbon.Inbound indirect flight with Fly Play, departs from Lisbon on Fri, 19 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $706, select.
Lisbon.$729 per passenger.Departing Mon, 8 Dec, returning Mon, 15 Dec.Return flight with Lufthansa and Air Europa.Outbound indirect flight with Lufthansa, departs from Washington Dulles on Mon, 8 Dec, arriving in Lisbon.Inbound indirect flight with Air Europa, departs from Lisbon on Mon, 15 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $729, select.
Lisbon.$745 per passenger.Departing Tue, 18 Nov, returning Tue, 25 Nov.Return flight with Iberia and TAP Air Portugal.Outbound indirect flight with Iberia, departs from Washington Dulles on Tue, 18 Nov, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Tue, 25 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $745, select.
Lisbon.$860 per passenger.Departing Thu, 27 Nov, returning Mon, 1 Dec.Return flight with SWISS and TAP Air Portugal.Outbound indirect flight with SWISS, departs from Washington Dulles on Thu, 27 Nov, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Mon, 1 Dec, arriving in Washington Dulles.Price includes taxes and charges.From $860, select.
Lisbon.$860 per passenger.Departing Sat, 24 Jan, returning Sat, 31 Jan.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 24 Jan, arriving in Lisbon.Inbound indirect flight with Scandinavian Airlines, departs from Lisbon on Sat, 31 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $860, select.
Lisbon.$873 per passenger.Departing Thu, 30 Oct, returning Sat, 22 Nov.Return flight with Scandinavian Airlines and TAP Air Portugal.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Thu, 30 Oct, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Sat, 22 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $873, 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.
Aug
from $889
Sep
from $706
Oct
from $652
Nov
from $745
Dec
from $729
Jan
from $860
Feb
from $877
Mar
from $880
Apr
from $960
May
from $1,043
Jun
from $1,346
Jul
from $1,637

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.

Washington D.C. to Lisbon: Flight information

The things to know before you go.
Cheapest flight found$652
Cheapest month to flyOctober
Average flight time7 hrs, 14 mins
Most popular airlineTAP Air Portugal
Average flights per week66

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

The best price we found for a return flight from Washington D.C. to Lisbon is $652. 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.
7 hours and 14 minutes is the average flight time from Washington D.C. to Lisbon.
TAP Air Portugal, jetBlue and United fly direct from Washington D.C. to Lisbon.
As of August 2025, there are 33 flights per week flying from Washington D.C. to Lisbon.
The cheapest month to fly from Washington D.C. to Lisbon is usually October.
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 Wednesday, 8 October 2025.
Yes – the average flight time is 7 hours and 14 minutes.
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.
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.

Travelling from Washington DC to Lisbon Portela Airport (LIS): What you need to know

  • You can choose from a few airports when organising your flight from Washington DC to Lisbon Portela Airport (LIS). Explore your options for departing Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • Lisbon is four hours ahead of Washington DC. Lisbon Portela Airport is located in Lisbon, which runs on the UTC+0 timezone.

  • Your flight from Washington DC to LIS won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Peak travel periods mean busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stay on schedule.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Stopovers are the ideal opportunity to take a travel break and possibly even explore another city. When searching for cheap flights from Washington DC to LIS departing from Ronald Reagan National Airport (DCA), uncheck the 'Direct flights only' box to discover where you can stop along the way. Your journey might pause in:

    • Newark Liberty International Airport (EWR)

    • Logan International Airport (BOS)

    • Pearson International Airport (YYZ)

  • Located around 8 kilometres from the centre of Washington DC, DCA can be reached in about 15 minutes by car (depending on traffic). The journey by public transport is roughly 45 minutes.

  • Booked an early flight from Washington DC to Lisbon Portela Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by staying at one of these hotels near Ronald Reagan National Airport:

  • 76.44% of flights departing from Ronald Reagan National Airport make it to their destination on time.

  • The address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Think about kicking off your trip from Washington Dulles International Airport (IAD). You can book a direct Washington DC to Lisbon Portela Airport (LIS) flight ticket from this hub.

  • From IAD, direct flights from Washington DC to LIS are offered by TAP Portugal.

  • On the IAD to LIS route, TAP Portugal is the top airline in terms of bookings.

  • TAP Portugal is the most consistently on-time carrier operating flights between Washington Dulles International Airport and Lisbon Portela Airport.

  • Break up your flight from Washington DC to Lisbon Portela Airport with a stop so you can recharge or tick a new place off your list. Some great stopovers between Washington Dulles International Airport and LIS are:

    • Newark Liberty International Airport (EWR)

    • Philadelphia International Airport (PHL)

    • Mohamed V International Airport (CMN)

  • On public transport, you can travel from central Washington DC to IAD in about 1 hour 10 minutes. The airport is roughly 56 kilometres away, and making the journey by car takes approximately 50 minutes.

  • Flying out early in the morning? You might like to check in to one of these hotels near Washington Dulles International Airport the day before your Washington DC to LIS flight:

  • When it comes to flight punctuality, Washington Dulles International Airport has an on-time arrival rate of 74.39%.

  • The address for IAD is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You can lock in a flight ticket from Washington DC to Lisbon Portela Airport (LIS) with a stop or two leaving from Baltimore/Wash International Thurgood Marshall Airport (BWI). These are some of the most common stopovers between BWI and LIS:

    • London Heathrow Airport (LHR)

    • John F. Kennedy International Airport (JFK)

    • Logan International Airport (BOS)

  • The journey time to BWI from central Washington DC is around 1 hour 30 minutes on public transport. If you're in a car, it'll take you about 50 minutes to cover the 48 kilometres or so.

  • Rest a little longer, move a little slower, and still make your Washington DC to Lisbon Portela Airport flight without having to rush. These hotels near Baltimore/Wash International Thurgood Marshall Airport make getting to the terminal a breeze if you're flying out first thing:

  • The on-time performance rate of BWI is 77.13%. In simpler terms, that's how frequently flights departing this airport reach their final stop as planned.

About Lisbon Portela Airport (LIS)

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Washington DC to Lisbon Portela Airport. Check in to one of these accommodation options near LIS instead:

  • Follow your own route with a Lisbon Portela Airport rental car. Pick up your wheels from Klass Wagen, Goldcar or OK Mobility and discover more of Lisbon and beyond.

  • For the best deal, reserve your ride around two weeks in advance of your Washington DC to Lisbon Portela Airport flight.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is roughly 6 kilometres from central Lisbon. The time it takes to get there in a cab or car hire depends on the time of day. Do a little research before you go.

  • It'll take around 1 hour if you're using public transport.

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

  • The lowest price we've found for a one-way ticket from Washington DC to Lisbon Portela Airport is $393. For a return flight on this route, the best price is $651. Depending on when and how early you book, these fares can change.

  • To score cheap flights from Washington DC to LIS, book your flight ticket six months ahead of your departure date.

  • November is when you're most likely to find a bargain on a Washington DC to Lisbon Portela Airport ticket. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • You don't need to check every day to find out if prices have dropped when you set up a Price Alert. We'll let you know the moment a lower fare pops up on flight tickets from Washington DC to LIS.

  • Tailor your trip using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Washington DC to Lisbon Portela Airport.

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

  • Picture the kind of break you want when deciding when to fly. February is the quietest month to go to Lisbon. June is when most people book flights from Washington DC to Lisbon Portela Airport (LIS), which may be perfect if you'd rather travel when it's busy.

  • Before locking in your Washington DC to LIS flight ticket, consider the type of weather you enjoy. August is the warmest month in Lisbon, with temperatures ranging from 16ºC (61ºF) to 29ºC (84ºF).

  • January sees temperatures of between 8ºC (46ºF) and 16ºC (61ºF). Look for cheap tickets from Washington DC to Lisbon Portela Airport around that time if you want to travel when it's cooler.

More about Lisbon

  • Once you've booked your flight from Washington DC to Lisbon Portela Airport, find a hotel that offers a good mix of location and comfort. Make one of these accommodation options your base for exploring Lisbon:

  • Every great holiday has to include some sightseeing. Belém, Pasteis de Belém and Real Mosteiro de Santa Maria de Belém are essential stops on your Lisbon itinerary.

Explore more of Portugal

  • Lisbon has plenty going for it, but there are so many other corners of Portugal just waiting to be explored. Around 274 kilometres north of Lisbon, a trip to Porto will keep you on the move. Start with leading attractions like Ribeira District, Rio Douro and Livraria Lello.

  • Coimbra is another essential stop in Portugal and is around 177 kilometres north of Lisbon. No trip is complete without seeing Biblioteca Joanina, Old Cathedral of Coimbra (Se Velha de Coimbra) and Mesquita de Coimbra.

Plan the rest of your trip from Washington D.C. to Lisbon

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.