$365 Cheap Flights from Lisbon (LIS) to Washington (DCA)

View $365 flight on Thu, Feb 12, 2026Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Lisbon to Washington (LIS-DCA)

Prices were available within the past 7 days and start at $365 for one-way flights and $486 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Dec 13 - Sun, Dec 14
LIS
Lisbon
DCA
Washington
$486 Roundtrip, found 2 hours ago
$486
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Dec 13 from Lisbon to Washington, returning Sun, Dec 14, priced at $486 found 2 hours ago
Air Canada
Sat, Dec 13 - Mon, Dec 15
LIS
Lisbon
DCA
Washington
$509 Roundtrip, found 2 hours ago
$509
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Dec 13 from Lisbon to Washington, returning Mon, Dec 15, priced at $509 found 2 hours ago
British Airways
Fri, Feb 20 - Wed, Feb 25
LIS
Lisbon
DCA
Washington
$529 Roundtrip, found 6 days ago
$529
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Feb 20 from Lisbon to Washington, returning Wed, Feb 25, priced at $529 found 6 days ago
British Airways
Tue, Dec 16 - Wed, Dec 31
LIS
Lisbon
DCA
Washington
$530 Roundtrip, found 9 hours ago
$530
Roundtrip
found 9 hours ago
Select British Airways flight, departing Tue, Dec 16 from Lisbon to Washington, returning Wed, Dec 31, priced at $530 found 9 hours ago
British Airways
Tue, Dec 23 - Tue, Jan 6
LIS
Lisbon
DCA
Washington
$532 Roundtrip, found 4 days ago
$532
Roundtrip
found 4 days ago
Select British Airways flight, departing Tue, Dec 23 from Lisbon to Washington, returning Tue, Jan 6, priced at $532 found 4 days ago
British Airways
Tue, Dec 16 - Wed, Dec 31
LIS
Lisbon
DCA
Washington
$532 Roundtrip, found 9 hours ago
$532
Roundtrip
found 9 hours ago
Select British Airways flight, departing Tue, Dec 16 from Lisbon to Washington, returning Wed, Dec 31, priced at $532 found 9 hours ago
British Airways
Tue, Dec 16 - Wed, Dec 31
LIS
Lisbon
DCA
Washington
$536 Roundtrip, found 9 hours ago
$536
Roundtrip
found 9 hours ago
Select British Airways flight, departing Tue, Dec 16 from Lisbon to Washington, returning Wed, Dec 31, priced at $536 found 9 hours ago
American Airlines
Tue, Dec 16 - Wed, Dec 31
LIS
Lisbon
DCA
Washington
$544 Roundtrip, found 9 hours ago
$544
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Dec 16 from Lisbon to Washington, returning Wed, Dec 31, priced at $544 found 9 hours ago
Iberia
Fri, Jan 30 - Sat, Feb 7
LIS
Lisbon
DCA
Washington
$554 Roundtrip, found 20 hours ago
$554
Roundtrip
found 20 hours ago
Select Iberia flight, departing Fri, Jan 30 from Lisbon to Washington, returning Sat, Feb 7, priced at $554 found 20 hours ago
United
Sun, Dec 14 - Wed, Dec 31
LIS
Lisbon
DCA
Washington
$617 Roundtrip, found 9 hours ago
$617
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Dec 14 from Lisbon to Washington, returning Wed, Dec 31, priced at $617 found 9 hours ago

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA) cost?
Get a cheap one-way flight from $365 or cheap return flight from $486 from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA)?
December is the most affordable month to fly from LIS to DCA. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline that'll fly you from LIS to DCA, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA)?
Nonstop flights from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LIS to DCA?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA)?
Opt for a flight from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Humberto Delgado Airport (LIS)?
Washington Dulles Intl. Airport (IAD) is the only airport in Washington with direct flights from Humberto Delgado Airport (LIS). Explore the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your plane ticket from LIS to DCA just before your journey is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a LIS to DCA flight and hotel package?
You can save money by booking a LIS to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Ronald Reagan Washington National Airport (DCA)?
It's generally possible to cancel or reschedule your LIS to DCA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Humberto Delgado
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$486
Distance
3565 mi

Book with confidence

Book with confidence

Lisbon to Washington Flights

The cheapest times to fly from Lisbon to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Washington are during the month of December. You can find some of the cheapest flights from Lisbon to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Washington

Sunday is one of the best days to book for cheap flights from Lisbon to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $365 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lisbon to Washington Flights

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*Available to One Key members.