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

View AU$796 flight on Fri, 7 Nov 2025Opens in a new window

Popular airlines from Washington to Lisbon (LIS-Humberto Delgado)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, 12 Dec - Fri, 19 Dec
IAD
Washington
LIS
Lisbon
AU$1,459 Return, found 5 days ago
AU$1,459
Return
found 5 days ago
Select TAP Portugal flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,459 found 5 days ago
Turkish Airlines
Fri, 12 Dec - Fri, 19 Dec
IAD
Washington
LIS
Lisbon
AU$1,483 Return, found 5 days ago
AU$1,483
Return
found 5 days ago
Select Turkish Airlines flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,483 found 5 days ago
TAP Portugal
Fri, 12 Dec - Fri, 19 Dec
IAD
Washington
LIS
Lisbon
AU$1,575 Return, found 5 days ago
AU$1,575
Return
found 5 days ago
Select TAP Portugal flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,575 found 5 days ago
Aer Lingus
Fri, 12 Dec - Fri, 19 Dec
IAD
Washington
LIS
Lisbon
AU$1,611 Return, found 5 days ago
AU$1,611
Return
found 5 days ago
Select Aer Lingus flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,611 found 5 days ago
Delta
Fri, 12 Dec - Fri, 19 Dec
IAD
Washington
LIS
Lisbon
AU$1,658 Return, found 5 days ago
AU$1,658
Return
found 5 days ago
Select Delta flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,658 found 5 days ago
United
Fri, 12 Dec - Fri, 19 Dec
IAD
Washington
LIS
Lisbon
AU$1,666 Return, found 5 days ago
AU$1,666
Return
found 5 days ago
Select United flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,666 found 5 days ago
United
Fri, 12 Dec - Fri, 19 Dec
DCA
Washington
LIS
Lisbon
AU$1,675 Return, found 5 days ago
AU$1,675
Return
found 5 days ago
Select United flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,675 found 5 days ago
Delta
Fri, 12 Dec - Fri, 19 Dec
IAD
Washington
LIS
Lisbon
AU$1,676 Return, found 5 days ago
AU$1,676
Return
found 5 days ago
Select Delta flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,676 found 5 days ago
United
Fri, 12 Dec - Fri, 19 Dec
DCA
Washington
LIS
Lisbon
AU$1,676 Return, found 5 days ago
AU$1,676
Return
found 5 days ago
Select United flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,676 found 5 days ago
Air Canada
Fri, 12 Dec - Fri, 19 Dec
DCA
Washington
LIS
Lisbon
AU$1,686 Return, found 5 days ago
AU$1,686
Return
found 5 days ago
Select Air Canada flight, departing Fri, 12 Dec from Washington to Lisbon, returning Fri, 19 Dec, priced at AU$1,686 found 5 days ago

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

November is typically the cheapest month to fly

From AU$632 - AU$1,542 per traveller.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Humberto Delgado
Return price
AU$1,459
Distance
5732 km

Book with confidence

WAS to LIS Flights

Ready to get away? Use Expedia.com.au to book cheap flights from Maryland to Lisbon District AU$1,459, and have leftover money to spare on adventures and activities while you’re in town. We have the world’s largest selection of flights, not to mention lower airfares than you’ll find anywhere else on the Internet.

Our user-friendly tools make it easier than ever to book WAS to LIS flights, even if you’re hoping to hop aboard one of the last-minute flights leaving today. So whether you seek a spontaneous trip to this city’s hottest attractions, or prefer to plan out every detail of your adventure ahead of time, Expedia.com.au is here to help you find exactly what you are interested in.

If you’re on the hunt for cheap flights to Lisbon District from Maryland, you need not look any further. We make it simple for you to compare different airline carriers or choose the one that appeals to you most. We work with dozens of airlines in order to offer you incredible deals on business and personal travel. Start by searching through our selection of plane tickets today, and you’ll be in the sky before you know it.

WAS to LIS Flights
*Available to Expedia members.