S$661 Cheap Flights from Lisbon to Washington

View S$661 flight on Mon, 8 Dec, 2025Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Lisbon to Washington (LIS-IAD)

Prices were available within the past 7 days and start at S$661 for one-way flights and S$767 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$767 Return, found 1 day ago
S$767
Return
found 1 day ago
Select United flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$767 found 1 day ago
United
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$776 Return, found 1 day ago
S$776
Return
found 1 day ago
Select United flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$776 found 1 day ago
Swiss International Air Lines
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$780 Return, found 1 day ago
S$780
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$780 found 1 day ago
Swiss International Air Lines
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$788 Return, found 1 day ago
S$788
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$788 found 1 day ago
American Airlines
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$798 Return, found 1 day ago
S$798
Return
found 1 day ago
Select American Airlines flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$798 found 1 day ago
Swiss International Air Lines
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$806 Return, found 1 day ago
S$806
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$806 found 1 day ago
United
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$812 Return, found 1 day ago
S$812
Return
found 1 day ago
Select United flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$812 found 1 day ago
United
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$813 Return, found 1 day ago
S$813
Return
found 1 day ago
Select United flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$813 found 1 day ago
Air Canada
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$821 Return, found 1 day ago
S$821
Return
found 1 day ago
Select Air Canada flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$821 found 1 day ago
British Airways
Wed, 14 Jan - Mon, 19 Jan
LIS
Lisbon
IAD
Washington
S$823 Return, found 1 day ago
S$823
Return
found 1 day ago
Select British Airways flight, departing Wed, 14 Jan from Lisbon to Washington, returning Mon, 19 Jan, priced at S$823 found 1 day ago

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Find the cheapest month to fly from Lisbon (LIS) to Washington (IAD)

February is typically the cheapest month to fly

From S$591 - S$1,011 per traveller.
Lisbon to Washington route information
Origin airport
Humberto Delgado
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, KLM, Lufthansa, Swiss International Air Lines, United
Return price
S$767
Distance
5732 km
Average flight time
3 hours 43 mins

Flights from Lisbon District to Chantilly

There are several airlines that operate frequent flights from Lisbon (LIS) to Washington D.C. (IAD) including

The earliest flight leaves Portela Airport at 07:15 and arrives at Washington Dulles Intl. Airport at 14:35. The last flight of the day departs Lisbon at 14:35 and arrives at Washington D.C. at 21:30.

The flight distance from Lisbon to Washington D.C. is about 6930 km, the shortest flight is 08 hours 15 minutes with Air Europa.

Expedia lets you search across the largest number of airlines and Chantilly flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Lisbon District Chantilly flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Lisbon District to Chantilly trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Chantilly flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Lisbon District to Chantilly with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$767. 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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