$307 Cheap Flights from Washington (IAD) to Lisbon (LIS)

Bundle Your Flight + Hotel & Save!

Featured airlines

Top nine airline logos for desktop

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Washington to Lisbon (IAD-LIS)

Prices were available within the past 7 days and start at $307 for one-way flights and $344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
TAP Portugal
Scandinavian Airlines
Royal Air Maroc
United
American Airlines
Delta
British Airways
Virgin Atlantic
Iberia
Flights from Washington (IAD) to Lisbon (LIS)
Origin airport
Washington Dulles Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air France, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$344
Distance
3582 mi
Average flight time
12 hours 21 mins

Washington to Lisbon Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to Lisbon offer the perfect respite. Not only does exploring Lisbon provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Washington to Lisbon may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from IAD to LIS today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Lisbon are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Lisbon more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Lisbon is $307 now!

Frequently asked questions

How much is a one-way flight from Dulles Intl. Airport to Lisbon/Portela Airport?
Purchase your tickets with Expedia and you could score one-way Washington flights to Lisbon District from just $362. This was the lowest fare found for this particular journey leaving within the next three months — an Fly Play flight, departing Dulles Intl. Airport on July 28 2024 and arriving at Lisbon/Portela Airport. The price was last updated on May 7 2024 and has not changed since. Ready to snap up your own bargain flights? Awesome deals are just a few clicks away.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to LIS?
Book your ticket with TAP Portugal and you’ll be in the air for about 7 hours and 15 minutes. This top carrier has a direct flight that departs at 5:55PM from IAD and gets to Humberto Delgado Airport (LIS) at 6:10AM. Expedia has some epic flight deals, so find out what’s available on this route today.
Is it cheaper to buy a plane ticket from Dulles Intl. Airport to LIS last minute?
Booking your trip from Dulles Intl. Airport to Lisbon Airport last minute could save you a tidy sum if you’re lucky enough to find an epic deal. However, fares usually don’t come down in price closer to the departure date. If you hold out, flights could also be booked out or the best seats long gone. If you don’t want to risk it, book well in advance of when you want to leave. Note that some of the biggest deals can be found up to a year in advance. If your favorite airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia constantly.
What is the cheapest airline flying from Dulles Intl. Airport to Lisbon Airport in the next 90 days?
With plane tickets from $362 for a flight from Washington to Lisbon District, Fly Play is the cheapest airline found on Expedia. This price is based on airfares found on Expedia departing within the next 90 days and was updated on May 7 2024 and has not changed since. The flight takes off from Dulles Intl. Airport on July 28 2024 and touches down at Lisbon/Portela Airport.
What's the cheapest price for a flight from Dulles Intl. Airport to Lisbon Airport next month?
The cheapest ticket for a flight from Washington to Lisbon District over the next month is $626. If you’re planning a trip soon, now’s the time to lock in this fare. This price was found after searching all available flights on Expedia departing within the next 30 days. This fare is for a one-way TAP Portugal flight leaving Washington Dulles Intl. Airport (IAD) on June 3 2024 and landing at Lisbon/Portela Airport. This price was last updated on May 7 2024 and has not changed since.
What airline has the least delays from Dulles Intl. Airport to LIS?
Take off with United Airlines from Dulles Intl. Airport to Lisbon Airport and you’re more likely to land at the time printed on your plane ticket. This carrier tops the list on this route, with 100% of services arriving on time. If you find yourself facing a delay, the Expedia App will help you stay up to date. It’ll give you real-time trip alerts, from flight delays to gate number changes and which carousel to collect your luggage.
What airports do you fly into for Lisbon District from Sterling?
With Humberto Delgado Airport (LIS), Cascais Airport (CAT) and Setubal (XSZ) to choose from, making your way from Sterling to Lisbon District is a cinch. The city’s major hub, Humberto Delgado Airport (LIS), is about 4 mi north of the downtown area. As well as the price of tickets, consider factors like the ease of getting from the airport and the distance to your hotel when choosing where to fly into. Get your Lisbon District trip off to an awesome start by exploring Castle of São Jorge and Rossio Square.
What are the most popular departure times for flights from Dulles Intl. Airport to Lisbon Airport?
The most popular departure times for trips from Washington Dulles Intl. Airport (IAD) to Humberto Delgado Airport (LIS) fall between 5:00 PM - 6:00 PM on TAP Portugal. Our suggestion is to head out in the morning. The earlier you go, the better your odds of a delay-free flight with less air traffic in the skies.
Can I change the date of my flight from Washington Dulles Intl. Airport (IAD) to Humberto Delgado Airport (LIS)?
It’s a cinch to make amendments to your IAD to Lisbon Airport journey yourself. Just log in to the Expedia Trips portal and hit “change flight.” Search for new flights and choose the one that works with your new plans. You’ll see an estimate of applicable flight change costs. Alternatively, use our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.
*Available to One Key members.