₩541,700 Cheap Flights from Lisbon (LIS) to Washington (IAD)

View ₩541,700 flight on Fri, Nov 7, 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 ₩541,700 for one-way flights and ₩873,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩873,700 Roundtrip, found 19 hours ago
₩873,700
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩873,700 found 19 hours ago
Swiss International Air Lines
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩883,600 Roundtrip, found 19 hours ago
₩883,600
Roundtrip
found 19 hours ago
Select Swiss International Air Lines flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩883,600 found 19 hours ago
United
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩907,600 Roundtrip, found 19 hours ago
₩907,600
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩907,600 found 19 hours ago
United
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩911,200 Roundtrip, found 19 hours ago
₩911,200
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩911,200 found 19 hours ago
United
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩916,900 Roundtrip, found 19 hours ago
₩916,900
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩916,900 found 19 hours ago
Lufthansa
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩936,400 Roundtrip, found 19 hours ago
₩936,400
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩936,400 found 19 hours ago
Lufthansa
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩940,000 Roundtrip, found 19 hours ago
₩940,000
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩940,000 found 19 hours ago
Lufthansa
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩945,700 Roundtrip, found 19 hours ago
₩945,700
Roundtrip
found 19 hours ago
Select Lufthansa flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩945,700 found 19 hours ago
Royal Air Maroc
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩1,113,800 Roundtrip, found 19 hours ago
₩1,113,800
Roundtrip
found 19 hours ago
Select Royal Air Maroc flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩1,113,800 found 19 hours ago
British Airways
Thu, Oct 9 - Sun, Oct 12
LIS
Lisbon
IAD
Washington
₩1,160,900 Roundtrip, found 19 hours ago
₩1,160,900
Roundtrip
found 19 hours ago
Select British Airways flight, departing Thu, Oct 9 from Lisbon to Washington, returning Sun, Oct 12, priced at ₩1,160,900 found 19 hours ago

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

January is typically the cheapest month to fly

From ₩608,035 - ₩1,513,432 per traveler.

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 ₩873,700. 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 kilometers 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.

Travel information

Travel information

Origin airport
Humberto Delgado
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, British Airways, Finnair, Iberia, Lufthansa, Royal Air Maroc, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
₩873,700
Distance
5732 km
Average flight time
3 hours 23 mins

Book with confidence

Book with confidence

Lisbon District to Chantilly Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Lisbon District to Chantilly will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Chantilly.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with LIS to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Lisbon District for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Lisbon District to Chantilly Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

Washington nearby Airports

Washington

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