£260 Cheap Flights from Lisbon (LIS) to Washington (IAD)

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

Prices were available within the past 7 days and start at £260 for one-way flights and £258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
American Airlines
Finnair
Iberia
TAP Portugal
Lufthansa
Swiss International Air Lines
KLM
Brussels Airlines
British Airways
Flight from Lisbon to Washington route information
Origin airport
Humberto Delgado
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Return price
£258
Distance
5732 km

Compare flights from Lisbon to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Lisbon to Washington. Operating between them 5 flights per day, 20 airlines cover the route. And Air Canada, JetBlue, TAP Air Portugal, Lufthansa, United Airlines fly direct, getting you to Washington Dulles Intl. in just 8hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Humberto Delgado to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Humberto Delgado (LIS) to Washington Dulles Intl. (IAD) 

The easiest way to view the best deals on flights from Lisbon to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Humberto Delgado to Washington Dulles Intl. start at just £258 and range up to £425.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Lisbon and Washington
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Lisbon to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Humberto Delgado to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Lisbon/Portela Airport to Washington Dulles Intl. Airport (IAD)?
Round-trip tickets between Lisbon Airport and Dulles Intl. Airport start from £258. This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Humberto Delgado Airport (LIS) to IAD?
When it comes to cancellation fees, every airline has different terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from LIS to Dulles Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lisbon Airport to IAD flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lisbon/Portela Airport to Dulles Intl. Airport?
With a flight distance of 5,800 kilometres from LIS (LIS) to Dulles Intl. Airport (IAD), this is a long flight. Ensure that you drink lots of water and go for a short walk down the aisle every so often.
Which airlines fly direct from Humberto Delgado Airport (LIS) to IAD?
Offering 30 flights each month, TAP Portugal (TP) is a great choice when flying directly from Lisbon/Portela Airport to IAD.
Are Humberto Delgado Airport (LIS) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Humberto Delgado Airport (LIS) to Washington Dulles Intl. Airport (IAD) at the last minute could save you some serious cash. However, it could end up costing a good deal more! If you’d prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back often as deals are updated all the time on Expedia.
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