Cheap Flight Tickets from Washington (IAD) to Lisbon (LIS), Starting at $7457

Good to Know: Cheapest and Fastest IAD - LIS Flights

Useful information for finding best airline tickets from Washington Dulles International to Lisbon Portela on your next trip.

Cheapest Round Trip Flight

$7457

AA American Airlines • 1 stop • 21h 40m

Dec 01 – Dec 08

The cheapest round trip flight from Washington to Lisbon (IAD-LIS-IAD) is currently $7457

🔍 Search Flights

Cheapest Direct Flight

$7543

UA United Airlines • nonstop • 10h 50m

Dec 01

The cheapest nonstop flight from Washington to Lisbon (IAD-LIS) is currently $7543

🔍 Search Flights

Fastest Flight

10h 50m

The fastest nonstop flight from Washington to Lisbon (IAD-LIS) takes 10h 50m

Top Airlines Flying from Washington to Lisbon

Turkish Airlines - TK

Turkish Airlines

United Airlines, UA

United Airlines

Lufthansa Airline (LH)

Lufthansa Airlines

American Airlines, AA

American Airlines

Air Canada-AC

Air Canada

Etihad Airways-EY

Etihad Airways

Iberia airline

Iberia Airlines

Latest Flight Deals from Washington (IAD) to Lisbon (LIS)

Compare and book low fare round-trip air tickets from Washington to Lisbon. Ideal for travelers with confirmed return itineraries.

Dec 01 - Dec 08, Economy
AA
Washington → Lisbon
21h 40m
5:50 PM - 11:50 AM • 1 stop
AA
Washington → Lisbon
24h 10m
6:30 AM - 4:20 PM • 1 stop
$7457
American Airlines
Dec 01 - Dec 08, Economy
SN
Washington → Lisbon
55h 10m
5:45 PM - 7:55 AM • 1 stop
SN
Washington → Lisbon
18h 38m
10:15 AM - 4:33 PM • 1 stop
$7548
Brussels Airlines
Dec 01 - Dec 08, Economy
UA
Washington → Lisbon
20h 35m
6:00 PM - 11:35 AM • 1 stop
UA
Washington → Lisbon
13h 40m
12:20 PM - 3:40 PM • nonstop
$7783
United Airlines
Dec 01 - Dec 08, Economy
AA
Washington → Lisbon
25h 45m
6:05 PM - 2:50 PM • 1 stop
AA
Washington → Lisbon
17h 32m
11:05 AM - 4:57 PM • 1 stop
$7973
American Airlines
Dec 01 - Dec 08, Economy
AA
Washington → Lisbon
20h 5m
9:45 PM - 2:50 PM • 1 stop
AA
Washington → Lisbon
17h 32m
11:05 AM - 4:57 PM • 1 stop
$7973
American Airlines
Dec 01 - Dec 08, Economy
BA
Washington → Lisbon
20h 5m
9:45 PM - 2:50 PM • 1 stop
BA
Washington → Lisbon
17h 32m
11:05 AM - 4:57 PM • 1 stop
$8001
British Airways

Fly from Washington to Lisbon with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Lisbon? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Lisbon Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to LIS?
The most popular airline flying from Washington to Lisbon are
Can I fly from IAD to LIS non-stop?
Yes, you can fly IAD to LIS non-stop on
Which airlines fly nonstop between Washington and Lisbon?
The non-stop flights between Washington and Lisbon are .
What’s the earliest departure time from IAD to LIS Airport?
The earliest flight leaves IAD at 5:45 pm and lands in LIS - Lisbon Portela
What are the airports in Lisbon?
LIS
Can I make changes to my Washington to Lisbon flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to LIS?
Read the fare rules of the Washington to Lisbon air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Lisbon?
operate flights between Washington and Lisbon
How long does a flight from Washington to Lisbon take?
It takes approximately 8 hour to fly non-stop from IAD to LIS, which is 3591.41 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Lisbon (LIS) ?
In the past couple of days, the cheapest tickets to LIS from IAD were found on AA : USD 7457
Do I need a passport to fly between IAD and LIS?
Yes
What’s the latest departure time from IAD to LIS ?
The last flight leaves IAD at 10:15 pm

Washington (IAD) to Lisbon (LIS): Airport Information

Origin Airport Washington Dulles International , Washington, US
Destination Airport Lisbon Portela , Lisbon, PT
Distance 3591 miles

More Flight Options for Washington (IAD) and Lisbon (LIS)

Why Fareleaders for IAD to LIS Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Washington to Lisbon flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on IAD to LIS flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Washington to Lisbon flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Washington (IAD) to Lisbon (LIS)
Terms and Conditions*