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Flights Fare Calendar Find minimum fare between Washington Dulles Intl. and Humberto Delgado Click this button to get previous days data Click this button to get next days data $1,942 $1,665 $1,387 $1,110 $832 $555 $277 $0 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S Price is $1,942 on Lufthansa Price is $832 on Delta Price is $827 on Delta Price is $411 on Lufthansa Price is $827 on Delta Price is $734 on Iberia Price is $565 on United Price is $562 on United Price is $499 on Lufthansa Price is $370 on United Price is $398 on Lufthansa Price is $370 on United Price is $392 on Lufthansa Price is $389 on United Price is $371 on United Price is $523 on United Price is $390 on Lufthansa Price is $410 on Lufthansa Price is $380 on Lufthansa Price is $1,195 on TAP Portugal Price is $653 on Swiss International Air Lines Price is $415 on Lufthansa Price is $370 on Swiss International Air Lines Price is $380 on Lufthansa Price is $790 on Swiss International Air Lines Price is $387 on Brussels Airlines Price is $351 on United Price is $351 on United Price is $349 on TAP Portugal

Amazing IAD to LIS Flight Deals

The cheapest flights to Humberto Delgado found within the past 7 days were $309 round trip and $160 one way. Prices and availability subject to change. Additional terms may apply.

FAQs about flights from Washington Dulles Intl. Airport (IAD) to Humberto Delgado Airport (LIS)

Are there direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Lisbon/Portela Airport?

If you're not so fond of stopovers, it's smart to book your flight from Washington, DC (IAD-Washington Dulles Intl.) to Lisbon (LIS-Humberto Delgado) in advance. TAP Air Portugal is the only carrier that offers direct flights between Washington (and vicinity) and Lisbon District.

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 Lisbon (LIS-Humberto Delgado), please visit our Customer Service Portal.

How long is the flight from Washington, DC (IAD-Washington Dulles Intl.) to Lisbon/Portela Airport?

With the flight between Washington and Lisbon District taking around 8 hours and 44 minutes, you'll have time to get a lot of things done in the air. Take advantage of the journey by bringing that novel you never have time to read, checking out what's on the in-flight entertainment or having a decent nap. You might even find you can squeeze in all three before the plane lands.

What is the flight distance from Washington, DC (IAD-Washington Dulles Intl.) to Lisbon/Portela Airport?

The distance from Washington, DC (IAD-Washington Dulles Intl.) to Lisbon (LIS-Humberto Delgado) is 4,101 mi. Aside from filling your laptop or phone with more TV shows, it'll be wise to take a neck pillow and a cozy sweater too.

What airlines fly from Washington, DC (IAD-Washington Dulles Intl.) to Lisbon/Portela Airport?

If you're searching for an air carrier that flies straight from Washington to Lisbon District and is rated highly by other travelers, consider TAP Portugal. They offer 20 flights every month.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week 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 2019, flights departing on a Tuesday 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 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Washington Dulles Intl. to Humberto Delgado Flight FAQ

Traveling FromWashington Dulles Intl.
Traveling ToHumberto Delgado
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$309

Route Info

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


Distance:
4,651.00 miles


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Popular Flight Routes from Lisbon (LIS)

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*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.