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Cheap flights from Washington, D.C. to Lisbon

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Find the cheapest flights from Washington, D.C. to Lisbon

Cheap return flights

These are some of the best return flight deals from Washington, D.C. to Lisbon that have been recently found on momondo from popular airlines, departing in the coming months.
IAD-LIS
6h 55mdirect
LIS-IAD
8h 40mdirect
Air Canada
Find Deal
IAD-LIS
7h 30mdirect
LIS-IAD
8h 45mdirect
JetBlue
Find Deal
IAD-LIS
6h 55mdirect
LIS-IAD
8h 40mdirect
Lufthansa
Find Deal
IAD-LIS
7h 20mdirect
LIS-IAD
8h 45mdirect
TAP AIR PORTUGAL
Find Deal
IAD-LIS
6h 55mdirect
LIS-IAD
8h 40mdirect
United Airlines
Find Deal

See travel insights to Lisbon from

How to get the cheapest flight ticket from Washington, D.C. to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Lisbon?

In general, February is the cheapest month to fly from Washington, D.C. to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R12 583. If you’re not able to fly to Lisbon in February, then January is your next best option. Flight prices from Washington, D.C. to Lisbon during January average around R12 987.

What is the cheapest Washington, D.C. to Lisbon Humberto Delgado flight route?

Fly from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado for the best Washington, D.C. - Lisbon Humberto Delgado flight prices

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Washington, D.C. when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around R16 702 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Washington, D.C. for as low as R15 427 on momondo.

What cabin class options are available on Washington, D.C. to Lisbon Humberto Delgado flights?

There are 1 cabin classes available to choose from on Washington, D.C. to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. to Lisbon flight prices changed over time?

As of February 2025, prices for Washington, D.C. to Lisbon flights are approximately 38% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Lisbon (WAS to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Lisbon

Direct flights

None
There are no direct flights from Washington, D.C. to Lisbon. There are no popular flight routes from Washington, D.C. to Lisbon.

  • How far is Washington, D.C. to Lisbon Humberto Delgado by plane?

    The distance between Washington, D.C. and Lisbon Humberto Delgado is about 5732,6 km.

  • When did momondo last update prices for flights from Washington, D.C. to Lisbon Humberto Delgado Airport?

    Prices for flights from Washington, D.C. to Lisbon Humberto Delgado Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. to Lisbon Humberto Delgado Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Lisbon?


Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Estoril
Fátima
Almada
Torres Vedras
Óbidos
Setúbal
Figueira da Foz
Leiria
Nazaré
Tomar

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Lisbon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Washington, D.C..

Can I find flights from Washington, D.C. to Lisbon with flexible booking policies on momondo?

Flights from Washington, D.C. to Lisbon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Lisbon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Lisbon right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Washington, D.C. and alert you when they change.


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