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Cheap Flights from Lisbon to Washington Dulles

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Compare Lisbon to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Lisbon to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Lisbon to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..R 6,495 per passenger.Departing Tue, 27 May.One-way flight with Air Europa.Outbound indirect flight with Air Europa, departs from Lisbon on Tue, 27 May, arriving in Washington Dulles.Price includes taxes and charges.From R 6,495, select.
Washington D.C..R 6,642 per passenger.Departing Tue, 17 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Tue, 17 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 6,642, select.
Washington D.C..R 6,771 per passenger.Departing Wed, 18 Jun.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Lisbon on Wed, 18 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 6,771, select.
Washington D.C..R 7,307 per passenger.Departing Sat, 5 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Sat, 5 Jul, arriving in Washington Dulles.Price includes taxes and charges.From R 7,307, select.
Washington D.C..R 8,019 per passenger.Departing Mon, 8 Sep.One-way flight with Air Transat.Outbound indirect flight with Air Transat, departs from Lisbon on Mon, 8 Sep, arriving in Washington Dulles.Price includes taxes and charges.From R 8,019, select.
Washington D.C..R 8,126 per passenger.Departing Thu, 22 May.One-way flight with TAP Air Portugal.Outbound direct flight with TAP Air Portugal departs from Lisbon on Thu, 22 May, arriving in Washington Dulles.Price includes taxes and charges.From R 8,126, select.
Washington D.C..R 8,660 per passenger.Departing Wed, 8 Oct.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Lisbon on Wed, 8 Oct, arriving in Washington Dulles.Price includes taxes and charges.From R 8,660, select.
Washington D.C..R 8,858 per passenger.Departing Sun, 17 Aug.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Sun, 17 Aug, arriving in Washington Dulles.Price includes taxes and charges.From R 8,858, select.

Find the cheapest month to fly from Lisbon to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Lisbon to Washington Dulles flights are currently cheapest in May.
May
from R 6,495
Jun
from R 6,642
Jul
from R 7,307
Aug
from R 8,858
Sep
from R 8,019
Oct
from R 8,660
Nov
from R 9,698
Dec
from R 8,880
Jan
from R 12,142
Feb
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Mar
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Apr
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Direct flights from Lisbon to Washington Dulles

Lisbon to Washington Dulles: Alternative routes

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

Lisbon to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 6,495
Cheapest month to flyMay
Average flight time8 hrs, 30 mins
Most popular airlinejetBlue
Average flights per week40

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

The best price we found for a return flight from Lisbon to Washington Dulles is R 8,484. 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.
8 hours and 30 minutes is the average flight time from Lisbon to Washington Dulles.
jetBlue, TAP Air Portugal and Air Canada fly direct from Lisbon to Washington Dulles.
As of May 2025, there are 40 flights per week flying from Lisbon to Washington Dulles.
The cheapest month to fly from Lisbon to Washington Dulles is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to Washington Dulles Airport on Thursday, 4 September 2025.
Yes – the average flight time is 8 hours and 30 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 Washington Dulles 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 Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Iberia and United offer the cheapest flight tickets to Washington Dulles.

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

  • Book a direct flight from Lisbon Portela Airport to Washington Dulles International Airport and you'll be in the air for an average of 8 hours 25 minutes.

  • The timezone in Washington DC is UTC-4, which is four hours behind Lisbon.

  • Choose from 22 weekly Lisbon Portela Airport to Washington Dulles International Airport flights. The 09:15 departure with TAP Portugal is the earliest available. TAP Portugal operates the latest service of the day at 17:40.

  • Get to the airport on time so you don't miss your LIS to IAD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Travelling during a peak month such as June? Public holidays and other high seasons can mean longer queues at airport checkpoints. Play things extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • TAP Portugal has direct flights from Lisbon Portela Airport to Washington Dulles International Airport. Book with this popular airline, then get ready to see the sights in Washington DC — and maybe even more of United States if time allows.

  • The majority of travellers choose to travel with TAP Portugal on this route.

  • TAP Portugal stands out as the most punctual carrier for LIS to IAD flights, with 83.33% of its services landing as scheduled.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Lisbon Portela Airport to Washington Dulles International Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Worthwhile stopovers between LIS and IAD include:

    • Philadelphia International Airport

    • Adolfo Suarez Madrid-Barajas Airport

    • Newark Liberty International Airport

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

  • The cheapest price we've found for a one-way Lisbon Portela Airport to Washington Dulles International Airport flight is R 6,495. A round-trip fare is currently R 8,484. Depending on the availability when you book, these fares may change.

  • To get cheap tickets from LIS to IAD, book your trip six months before your departure date.

  • Plan your trip for May. That's the cheapest month for flights from Lisbon Portela Airport to Washington Dulles International Airport. If your travel dates are flexible, use the 'Whole month' tool to find the cheapest price across each month.

  • Snapping up cheap flights from LIS to IAD is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Lisbon Portela Airport to Washington Dulles International Airport.

Handy information about Lisbon Portela Airport (LIS)

  • When it comes to Lisbon Portela Airport's on-time performance, 64.1% of flights stick to their scheduled arrival time.

  • Lisbon Portela Airport is around 10 kilometres from central Lisbon. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Planning to take public transport? You can expect a journey time of around 1 hour.

  • Catching an early flight from Lisbon Portela Airport to Washington Dulles International Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to LIS:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • You'll find IAD at 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to drive to the centre.

  • If you're taking public transport, expect a journey time of about 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • April is the busiest month for flights from Lisbon Portela Airport to Washington Dulles International Airport. To avoid the crowds, travel to Washington DC in January.

  • The warmest month in Washington DC is July, with the temperature ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your flights from Lisbon Portela Airport to Washington Dulles International Airport in this month if this is the type of weather you like.

  • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Look for cheap tickets from LIS to IAD around that time if you like travelling in cooler conditions.

Explore more of United States

  • New York is just one of the many places in United States waiting to be discovered after you've experienced Washington DC. Around 322 kilometres away to the north-east, its best attractions include Statue of Liberty, Central Park and Empire State Building.

  • Around 193 kilometres north-east of Washington DC, Philadelphia is another essential stop in United States. Get a taste of what this destination has to offer at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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

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