S$716 Cheap Flights from Lisbon to Washington

View S$716 flight on Sat, 6 Sep, 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$716 for one-way flights and S$766 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$766 Return, found 6 days ago
S$766
Return
found 6 days ago
Select Lufthansa flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$766 found 6 days ago
Swiss International Air Lines
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$778 Return, found 6 days ago
S$778
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$778 found 6 days ago
United
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$796 Return, found 6 days ago
S$796
Return
found 6 days ago
Select United flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$796 found 6 days ago
United
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$799 Return, found 6 days ago
S$799
Return
found 6 days ago
Select United flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$799 found 6 days ago
Lufthansa
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$800 Return, found 6 days ago
S$800
Return
found 6 days ago
Select Lufthansa flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$800 found 6 days ago
Lufthansa
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$803 Return, found 6 days ago
S$803
Return
found 6 days ago
Select Lufthansa flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$803 found 6 days ago
United
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$805 Return, found 6 days ago
S$805
Return
found 6 days ago
Select United flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$805 found 6 days ago
Swiss International Air Lines
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$808 Return, found 6 days ago
S$808
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$808 found 6 days ago
KLM
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$819 Return, found 6 days ago
S$819
Return
found 6 days ago
Select KLM flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$819 found 6 days ago
Air France
Fri, 3 Oct - Tue, 7 Oct
LIS
Lisbon
IAD
Washington
S$837 Return, found 6 days ago
S$837
Return
found 6 days ago
Select Air France flight, departing Fri, 3 Oct from Lisbon to Washington, returning Tue, 7 Oct, priced at S$837 found 6 days ago

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

November is typically the cheapest month to fly

From S$504 - S$1,050 per traveller.

Graph displaying average flight prices per month

Lisbon to Washington route information
Origin airport
Humberto Delgado
Destination airport
Washington Dulles Intl.
Return price
S$765
Distance
5732 km
Average flight time
3 hours 18 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$766. 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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