$302 Cheap flights from Humberto Delgado to Washington Dulles Intl. (LIS to IAD)

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Find The Best Dates To Fly from Humberto Delgado to Washington Dulles Intl.

Amazing LIS to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $373 round trip and $302 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Nov 11 - Sun, Nov 17
LIS
Lisbon
IAD
Washington
$373 Roundtrip, found 6 days ago
$373
Roundtrip
found 6 days ago
Select Fly Play flight, departing Mon, Nov 11 from Lisbon to Washington, returning Sun, Nov 17, priced at $373 found 6 days ago
Mon, Nov 25 - Sun, Dec 1
LIS
Lisbon
IAD
Washington
$389 Roundtrip, found 5 days ago
$389
Roundtrip
found 5 days ago
Select Fly Play flight, departing Mon, Nov 25 from Lisbon to Washington, returning Sun, Dec 1, priced at $389 found 5 days ago
Mon, Nov 25 - Sun, Dec 1
LIS
Lisbon
IAD
Washington
$519 Roundtrip, found 5 days ago
$519
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Mon, Nov 25 from Lisbon to Washington, returning Sun, Dec 1, priced at $519 found 5 days ago
Thu, Nov 21 - Thu, Nov 28
LIS
Lisbon
IAD
Washington
$551 Roundtrip, found 2 days ago
$551
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Nov 21 from Lisbon to Washington, returning Thu, Nov 28, priced at $551 found 2 days ago
Mon, Nov 25 - Sun, Dec 1
LIS
Lisbon
IAD
Washington
$554 Roundtrip, found 5 days ago
$554
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Mon, Nov 25 from Lisbon to Washington, returning Sun, Dec 1, priced at $554 found 5 days ago
Thu, Oct 24 - Mon, Oct 28
LIS
Lisbon
IAD
Washington
$571 Roundtrip, found 2 days ago
$571
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Oct 24 from Lisbon to Washington, returning Mon, Oct 28, priced at $571 found 2 days ago
Mon, Sep 16 - Mon, Sep 23
LIS
Lisbon
IAD
Washington
$572 Roundtrip, found 4 days ago
$572
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Mon, Sep 16 from Lisbon to Washington, returning Mon, Sep 23, priced at $572 found 4 days ago
Fri, Jun 7 - Sun, Jun 9
LIS
Lisbon
IAD
Washington
$572 Roundtrip, found 2 days ago
$572
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jun 7 from Lisbon to Washington, returning Sun, Jun 9, priced at $572 found 2 days ago
Wed, Aug 28 - Fri, Sep 13
LIS
Lisbon
IAD
Washington
$577 Roundtrip, found 4 days ago
$577
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Aug 28 from Lisbon to Washington, returning Fri, Sep 13, priced at $577 found 4 days ago
Thu, May 30 - Tue, Jun 4
LIS
Lisbon
IAD
Washington
$581 Roundtrip, found 5 days ago
$581
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, May 30 from Lisbon to Washington, returning Tue, Jun 4, priced at $581 found 5 days ago

Frequently asked questions

Can I catch a flight from Humberto Delgado Airport (LIS) to Washington Dulles Intl. Airport (IAD) right now?
For info on any present IAD travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up en route.
Are there direct flights from Lisbon Airport to Washington Dulles Intl. Airport (IAD)?
The only thing separating you and your next memorable adventure is a single flight. TAP Air Portugal is the only air carrier that operates direct services between Lisbon Airport and IAD, so you may want to book well in advance.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Dulles Intl. Airport, please visit our Customer Service Portal.
How long is the flight from Humberto Delgado Airport (LIS) to IAD?
Taking around 11 hours and 40 minutes all up, traveling from Lisbon District to Sterling is no small task. On such a long flight, it’s a good idea to go for a wander to stretch your legs whenever you can.
What is the flight distance from Lisbon Airport to Dulles Intl. Airport?
With 3,600 mi separating Lisbon/Portela Airport and IAD, you’ll have ample time to relax and unwind. Make the most of the entertainment on board, write in your journal or catch up on some shut-eye.
What airlines fly from Lisbon/Portela Airport to Dulles Intl. Airport?
With TAP Air Portugal, you won’t have to stress about extended layovers or hanging around waiting to board your next flight. This popular airline company will fly you nonstop from Lisbon District to Sterling on one of the 30 flights servicing this route each month.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, Delta or American Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Humberto Delgado
Traveling To
Washington Dulles Intl.
Shortest Flight Time
8 hours 10 mins
Earliest Departure Time
12:20PM WEST
Latest Departure Time
5:25PM WEST
Lowest Flight Price
$373

Route Info

Flight path for flights from Lisbon Portela Airport to Washington Dulles International Airport.


Origin:
LIS - Lisbon Portela Airport
Destination:
IAD - Washington Dulles International Airport
Distance:
4,651.00 miles


Discover our best flights from Lisbon LIS to Washington IAD. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Lisbon LIS to Washington IAD at the right price  

Airfares to Washington IAD from Lisbon LIS currently cost between $373 and $717. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Lisbon LIS to Washington IAD 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Lisbon LIS to Washington IAD on Travelocity starting at $302. Prices and availability subject to change. Additional terms may apply. 

 

Get to Washington IAD from Lisbon LIS quicker with direct flights. 

Get to Washington faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAD from LIS to take around 8 hour(s) 10 min(s).  

 

Find our cheapest airfares for flights from Lisbon LIS to Washington IAD

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAD from LIS. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Lisbon LIS to Washington IAD today 

If you’re flexible about when you travel, November is usually the cheapest month to fly from Lisbon LIS to Washington IAD. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Washington IAD from Lisbon LIS 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAD from LIS have this option.  

 

Travel with confidence when you book flights to Washington IAD from Lisbon LIS with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.