Cheap flights from IAD to LIS (Washington Dulles Intl. to Humberto Delgado)

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Cheap Flights from IAD to LIS starting at $412 One Way, $529 Round Trip

Prices starting at $529 for return flights and $412 for one-way flights to Humberto Delgado were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 27 - Sun, Oct 18
IAD
Washington
LIS
Lisbon
$529 Roundtrip, found 2 days ago
$529
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, Sep 27 from Washington to Lisbon, returning Sun, Oct 18, priced at $529 found 2 days ago
Sun, Sep 6 - Mon, Sep 14
IAD
Washington
LIS
Lisbon
$649 Roundtrip, found 2 hours ago
$649
Roundtrip
found 2 hours ago
Select TAP Portugal flight, departing Sun, Sep 6 from Washington to Lisbon, returning Mon, Sep 14, priced at $649 found 2 hours ago
Fri, Oct 30 - Wed, Nov 11
IAD
Washington
LIS
Lisbon
$697 Roundtrip, found 4 days ago
$697
Roundtrip
found 4 days ago
Select Royal Air Maroc flight, departing Fri, Oct 30 from Washington to Lisbon, returning Wed, Nov 11, priced at $697 found 4 days ago
Mon, Nov 16 - Thu, Nov 26
IAD
Washington
LIS
Lisbon
$748 Roundtrip, found 2 days ago
$748
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Nov 16 from Washington to Lisbon, returning Thu, Nov 26, priced at $748 found 2 days ago
Wed, Nov 18 - Wed, Nov 25
IAD
Washington
LIS
Lisbon
$749 Roundtrip, found 2 days ago
$749
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 18 from Washington to Lisbon, returning Wed, Nov 25, priced at $749 found 2 days ago

Hotel Ideas near Humberto Delgado

Airport Hotels near Humberto Delgado

Hotel Star Inn Lisbon Aeroporto

Hotel Star Inn Lisbon Aeroporto

3 out of 5
Aeroporto Internacional Lisboa, Rua C-2 Lisbon
The price is $166 total per night from Jul 26 to Jul 27
$166 total
per night
Jul 26 - Jul 27
Book a stay at this business-friendly hotel in Lisbon. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the breakfast and ...
9.2/10 Wonderful! (3,152 reviews)
"Nice and close to airport"

Reviewed on Jul 18, 2026

Hotel Star Inn Lisbon Aeroporto
Meliá Lisboa Aeroporto

Meliá Lisboa Aeroporto

4 out of 5
Aeroporto Internacional de Lisboa Lisbon
The price is $205 total per night from Jul 28 to Jul 29
$205 total
per night
Jul 28 - Jul 29
Book a stay at this spa hotel in Lisbon. Enjoy free WiFi, an outdoor pool, and a full-service spa. Our guests praise the breakfast and the pool in our reviews. ...
Meliá Lisboa Aeroporto
Hotel Acta Moa

Hotel Acta Moa

4 out of 5
Avenida Almirante Gago Coutinho 30 Lisbon
The price is $123 total per night from Jul 20 to Jul 21
$123 total
per night
Jul 20 - Jul 21
Stay at this hotel in Lisbon. Enjoy free WiFi, an outdoor pool, and breakfast (surcharge). Popular attractions Avenida da Liberdade and Rossio Square are located ...
9/10 Wonderful! (918 reviews)
"Nice place to relax after a long day!"

Reviewed on Jul 19, 2026

Hotel Acta Moa
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

IAD to LIS Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York
LIS Address & GPS
Address:
Lisbon ,
Portugal
IATA Code:
LIS
Longitude:
-9.128165
Latitude:
38.770043
Time Zone:
Europe/Lisbon

Frequently asked questions

Are there non-stop flights from Washington Dulles Intl. Airport (IAD) to LIS?
Before you step aboard the aircraft at Dulles Intl. Airport, you should pack loads of delicious treats in your hand luggage. TAP Portugal flies straight to LIS, so you won't get the chance to stock up en route.
What is the shortest flight from Washington Dulles Intl. Airport (IAD) to Lisbon/Portela Airport?
With the shortest possible flight time from Washington Dulles Intl. Airport (IAD) to LIS being 12 hours and 46 minutes, it's smart to have some in-flight survival tricks up your sleeve. Earplugs, a neck pillow and an eye-mask should be among the basic items you put in your carry-on bag.
How many hours flight from Washington Dulles Intl. Airport (IAD) to Lisbon Airport?
There's no need to be apprehensive about the 12 hours and 48 minutes that you'll spend in the air between IAD and Lisbon/Portela Airport. It may be a lengthy ride, but a couple of movies, a captivating book and a decent rest will help pass the time.
What airlines have the most flights from IAD to Lisbon/Portela Airport?
Are you ready to plan your Washington to Lisbon District airfare? TAP Portugal should be your first choice. With 26 flights every month to choose from on this route, they've got the ticket to your next big adventure.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

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