S$698 Cheap Flights from Lisbon to Washington

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Cheap Flights from Lisbon to Washington (LIS-IAD)

Prices were available within the past 7 days and start at S$698 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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 . 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.
*Available to Expedia members.