Cheap flights from Washington D.C. to Lisbon

Compare Washington D.C. to Lisbon flight deals

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Flight deals from Washington D.C. to Lisbon Airport

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 $759. Find the lowest prices on one-way and return tickets right here.

Lisbon.$425 per passenger.Departing Wed, 21 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 21 Oct, arriving in Lisbon.Price includes taxes and charges.From $425, select.

Lisbon.$456 per passenger.Departing Mon, 18 May.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 18 May, arriving in Lisbon.Price includes taxes and charges.From $456, select.

Lisbon.$471 per passenger.Departing Thu, 30 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Thu, 30 Apr, arriving in Lisbon.Price includes taxes and charges.From $471, select.

Lisbon.$510 per passenger.Departing Tue, 21 Jul.One-way flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Tue, 21 Jul, arriving in Lisbon.Price includes taxes and charges.From $510, select.

Lisbon.$516 per passenger.Departing Sun, 2 Aug.One-way flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Sun, 2 Aug, arriving in Lisbon.Price includes taxes and charges.From $516, select.

Lisbon.$518 per passenger.Departing Wed, 18 Nov.One-way flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Wed, 18 Nov, arriving in Lisbon.Price includes taxes and charges.From $518, select.

Lisbon.$521 per passenger.Departing Tue, 1 Sep.One-way flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Tue, 1 Sep, arriving in Lisbon.Price includes taxes and charges.From $521, select.

Lisbon.$639 per passenger.Departing Sun, 7 Jun.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Washington Dulles on Sun, 7 Jun, arriving in Lisbon.Price includes taxes and charges.From $639, select.

Lisbon.$706 per passenger.Departing Mon, 23 Mar.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Washington Dulles on Mon, 23 Mar, arriving in Lisbon.Price includes taxes and charges.From $706, select.

Lisbon.$778 per passenger.Departing Mon, 30 Mar.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Washington Dulles on Mon, 30 Mar, arriving in Lisbon.Price includes taxes and charges.From $778, select.

Lisbon.$780 per passenger.Departing Wed, 21 Oct.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Washington Dulles on Wed, 21 Oct, arriving in Lisbon.Price includes taxes and charges.From $780, select.

Lisbon.$790 per passenger.Departing Wed, 22 Jul.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Washington Dulles on Wed, 22 Jul, arriving in Lisbon.Price includes taxes and charges.From $790, select.

Lisbon.$793 per passenger.Departing Mon, 6 Apr.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Washington Dulles on Mon, 6 Apr, arriving in Lisbon.Price includes taxes and charges.From $793, select.

Lisbon.$794 per passenger.Departing Mon, 3 Aug.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Washington Dulles on Mon, 3 Aug, arriving in Lisbon.Price includes taxes and charges.From $794, select.

Lisbon.$798 per passenger.Departing Wed, 18 Nov.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Washington Dulles on Wed, 18 Nov, arriving in Lisbon.Price includes taxes and charges.From $798, select.

Lisbon.$800 per passenger.Departing Sat, 19 Dec.One-way flight with Royal Air Maroc.Outbound indirect flight with Royal Air Maroc, departs from Washington Dulles on Sat, 19 Dec, arriving in Lisbon.Price includes taxes and charges.From $800, 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 $425

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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	$425
Cheapest month to fly	October
Average flight time	7 hrs, 12 mins
Most popular airline	TAP Air Portugal
Average flights per week	43

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 $759. 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 12 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 Air Canada fly direct from Washington D.C. to Lisbon.

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

As of March 2026, there are 43 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 April.

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 Monday, 13 April 2026.

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

Yes – the average flight time is 7 hours and 12 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.

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

Washington Dulles International Airport (IAD) is Washington DC's main airport. Explore your options for booking a flight from Washington DC to Lisbon Humberto Delgado Airport (LIS) leaving from here.
The timezone in Lisbon is UTC+0, which is five hours ahead of Washington DC. Lisbon Humberto Delgado Airport is located in Lisbon.
To ensure you get on your flight from Washington DC to LIS, leave plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.
Travelling during a peak time like April? Popular periods (like Christmas and New Year) can easily add another hour at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

We make it a piece of cake to book cheap flights from Washington DC to LIS with a stopover. To explore all your options leaving from Ronald Reagan Washington National Airport (DCA), uncheck 'Direct flights only.' Next, pick a flight offering a stop long enough to tour your chosen city. Major stopovers between DCA and LIS include:
- Newark Liberty International Airport (EWR)
- Boston Logan International Airport (BOS)
- Toronto Pearson International Airport (YYZ)
Located around 6 kilometres from the centre of Washington DC, DCA can be reached in about 10 minutes by car, depending on traffic. The journey by public transport takes roughly 25 minutes.
Want a stress-free start to your holiday? Stay near Ronald Reagan Washington National Airport. Whether you have an early flight from Washington DC to Lisbon Humberto Delgado Airport or just don't like being rushed, these hotels have you covered:
When it comes to the on-time performance of Ronald Reagan Washington National Airport, data shows 76% of flights arrive within the scheduled time frame.
DCA's address is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

You can book a direct Washington DC to Lisbon Humberto Delgado Airport (LIS) plane ticket with departures from Washington Dulles International Airport (IAD). Check if flying out of IAD makes more sense for your journey.
From IAD, direct flights from Washington DC to LIS can be booked with TAP Portugal.
On the IAD to LIS route, TAP Air Portugal is the preferred choice of many.
TAP Air Portugal has the best on-time rating of any carrier operating flights between Washington Dulles International Airport and Lisbon Humberto Delgado Airport.
Split up your flight from Washington DC to Lisbon Humberto Delgado Airport with a stop so you can recharge or perhaps go somewhere you've never been before. Some great stopovers between Washington Dulles International Airport and LIS include:
- Newark Liberty International Airport (EWR)
- Philadelphia International Airport (PHL)
- Casablanca Mohammed V International Airport (CMN)
Using public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 40 kilometres away, and making the trip by car takes approximately 45 minutes.
Get your holiday started early with an extra night away from home. Before catching your Washington DC to LIS flight, kick back in one of these hotels close to Washington Dulles International Airport:
Washington Dulles International Airport has an on-time performance of 74%. This figure highlights how frequently flights that take off from this airport arrive on schedule.
The address for IAD is 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

Book a plane ticket from Washington DC to Lisbon Humberto Delgado Airport (LIS) departing from Baltimore Washington International Airport (BWI) with a stop or two. Popular stopovers between BWI and LIS are:
- 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. The drive from the city centre to the airport takes about 40 minutes. If you're considering public transport, expect a journey of around 50 minutes.
Skip the rush on your departure day — stay close to Baltimore Washington International Airport and know you'll make it to the terminal with time to spare. Check in to one of these hotels the day before if you've booked an early Washington DC to Lisbon Humberto Delgado Airport flight:
Airports have an on-time performance rating that measures how often flights arrive without delays. At BWI, that figure is 77%.

About Lisbon Humberto Delgado Airport (LIS)

Have a late flight from Washington DC to Lisbon Humberto Delgado Airport? Don't let it rob you of real rest. Stay at one of these hotels near LIS and get cosy, quick:
Fast-track your adventure by picking up a Lisbon Humberto Delgado Airport rental car. Grab a set of wheels from Klass Wagen, Goldcar or OK Mobility and experience the lesser-explored corners of Lisbon and beyond.
Lock in the best rate by reserving 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 to central Lisbon is roughly 6 kilometres. If you're getting a taxi or renting a car, plan in advance to make your trip as easy as possible. Journey times vary based on traffic conditions and the time of day.
It takes around 25 minutes when travelling by public transport.

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

$425 is the best price for a one-way ticket from Washington DC to Lisbon Humberto Delgado Airport. Return flights start at $759. These prices can change based on demand.
Book six months before you travel. Pricing trends show that this is the ideal window for finding cheap flights from Washington DC to LIS.
The best month for landing cheap Washington DC to Lisbon Humberto Delgado Airport tickets is November. Use the 'Whole month' tool to compare prices, then select the dates with the lowest fares.
Save time looking for cheap plane tickets from Washington DC to LIS by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.
Find an affordable flight from Washington DC to Lisbon Humberto Delgado Airport by using filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

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

It's time to figure out your travel dates for your flight from Washington DC to Lisbon Humberto Delgado Airport (LIS). August is the busiest month to visit Lisbon. If you like your getaways a little more chill, think about going in January.
Book a Washington DC to LIS plane ticket departing in August if you want to visit the city during its warmest month. Expect temperatures in Lisbon to range from 16ºC (61ºF) to 29ºC (84ºF).
If you want 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

Start your Lisbon trip right by choosing the ideal place to stay. Once you've booked your flight from Washington DC to Lisbon Humberto Delgado Airport, browse our range of accommodation options including:
Your visit to Lisbon should come with a bit of sightseeing. Highlights that belong on your itinerary include Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

Explore more of Portugal

Porto is just one of the many cities in Portugal waiting to be discovered after you've seen Lisbon. Around 274 kilometres away to the north, popular attractions include Ribeira District, Rio Douro and Livraria Lello.
If you're ready to explore another great destination in Portugal, head for Coimbra, about 177 kilometres north of Lisbon. Biblioteca Joanina, Old Cathedral of Coimbra (Se Velha de Coimbra) and Mesquita de Coimbra are key reasons to visit.