LIS - IAD

Find cheap flights from Lisbon to Washington, D.C.

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KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Lisbon to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Lisbon to Washington, D.C., as well as popular online travel agencies
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Flights Deals
Expert advice
Useful Info
Flights Deals

Cheap Flight Deals from Lisbon to Washington, D.C. (LIS-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Lisbon to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Lisbon to Dulles Intl

KAYAK's recommended return flight deals from the most popular airlines that fly from Lisbon to Dulles Intl.
Discover the best prices for you by selecting your travel dates on KAYAK.
Air Canada Logo
LIS-IAD
8h 35mdirect
Air Canada Logo
IAD-LIS
7h 15mdirect
Air Canada
Find Deal
JetBlue Logo
LIS-IAD
8h 20mdirect
JetBlue Logo
IAD-LIS
7h 20mdirect
JetBlue
Find Deal
Lufthansa Logo
LIS-IAD
8h 35mdirect
Lufthansa Logo
IAD-LIS
7h 15mdirect
Lufthansa
Find Deal
TAP AIR PORTUGAL Logo
LIS-IAD
8h 25mdirect
TAP AIR PORTUGAL Logo
IAD-LIS
7h 20mdirect
TAP AIR PORTUGAL
Find Deal
United Airlines Logo
LIS-IAD
8h 35mdirect
United Airlines Logo
IAD-LIS
7h 15mdirect
United Airlines
Find Deal
Expert advice

Expert advice for your flight from Lisbon to Dulles Intl

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
LIS

For departures from LIS, arrive early to navigate long check-in and security queues, especially in Terminal 2. Bring snacks and entertainment for the wait.

Read more about LISby Duncan Madden
IAD

Upon arrival at IAD, use the Silver Line Metro for a convenient 50-minute ride to central D.C. Taxis and rideshares are also available but can be costly.

Read more about IADby Stefanie Waldek
Our travel experts
Duncan Madden

Duncan Madden

Expert on LIS

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Useful Info

KAYAK's insights & trends for Lisbon to Dulles Intl flights

Get data-powered insights and trends into flights from Lisbon to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Lisbon to Washington, D.C.?

The average price of all round-trip flights from Lisbon to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Washington, D.C. on a Friday and more expensive on a Monday. On your return trip to Lisbon, you should consider flying back on a Saturday, and avoid Fridays for better deals.

What is the cheapest month to fly from Lisbon to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Lisbon to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Lisbon to Washington, D.C. Dulles Intl Airport is November, where tickets cost £419 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is £697 and £597 respectively.

Can I save money by flying with a stopover from Lisbon to Washington, D.C. Dulles Intl Airport?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.
Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 2 stops stopover the cheapest option at £1,432 on average.

How far in advance should I book a flight from Lisbon to Washington, D.C. Dulles Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Lisbon to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Lisbon to Washington, D.C. Dulles Intl Airport, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Good to know - Cheap tickets from Lisbon to Washington, D.C.

Low season

February

High season

December
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly and prices are also 9% lower on average.

When to book flights from Lisbon to Dulles Intl

Are your dates flexible? Find out the best times to travel from Lisbon to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Lisbon to Dulles Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Lisbon to Dulles Intl 
Verified travelerFlew with TAP AIR PORTUGALLIS-IADApr 2024
Tap has very professional and pleasant crewmembers both in the cabin as well as the flight deck. Additionally, their ticket counter boarding gate and lounge personnel are superb. You can’t go wrong with them. They’ll help you anyway they can if they cannot, they will point you to someone who can fly more with them in the future..
AshleyFlew with TAP AIR PORTUGALLIS-IADJan 2024
Ensure the lounge is open before booking and be ready for poor service

FAQs for booking Lisbon to Washington, D.C. flights

  • Which airlines offer Wi-Fi service onboard planes from Lisbon to Washington, D.C.?

    Lufthansa, Virgin Atlantic, SWISS, and Air France offer inflight Wi-Fi service on the Lisbon to Washington, D.C. flight route.

  • Which aircraft models fly most regularly from Lisbon to Washington, D.C.?

    The Boeing 767-400 is the aircraft model that flies most regularly on the Lisbon to Washington, D.C. flight route.

  • Which airline alliances offer flights from Lisbon to Washington, D.C.?

    Star Alliance is the only airline alliance operating flights between Lisbon and Washington, D.C..

  • On which days can I fly direct from Lisbon to Washington, D.C.?

    There are direct flights from Lisbon to Washington, D.C. on a daily basis.

  • How does KAYAK find such low prices on flights from Lisbon to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Lisbon to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Lisbon to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Lisbon is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Lisbon to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington, D.C. with an airline and back to Lisbon with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Lisbon to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Lisbon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Lisbon to Washington, D.C.?

Find which airlines fly direct from Lisbon Humberto Delgado Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

Lisbon Humberto Delgado to Washington, D.C. Dulles Intl

Monday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Tuesday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Wednesday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Thursday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Friday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Saturday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Sunday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to Lisbon Humberto Delgado

Monday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Tuesday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Wednesday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Thursday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Friday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Saturday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

Sunday

Air Canada, JetBlue, Lufthansa, +2 more

Air Canada, JetBlue, +3 more

See more direct flights
See more direct flights

Everything you need to know for your flight from Lisbon to Dulles Intl

Information on your arrival and departure airports

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