Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Philadelphia to Lisbon

1 adult
0 bags
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Philadelphia to Lisbon

Cheap return flights

These are some of the best return flight deals from Philadelphia to Lisbon that have been recently found on momondo from popular airlines, departing in the coming months.
PHL-LIS
6h 34mdirect
LIS-PHL
7h 45mdirect
American Airlines
Find Deal
PHL-LIS
6h 34mdirect
LIS-PHL
7h 45mdirect
Finnair
Find Deal
PHL-LIS
6h 34mdirect
LIS-PHL
7h 35mdirect
Iberia
Find Deal
PHL-LIS
6h 34mdirect
LIS-PHL
7h 35mdirect
British Airways
Find Deal

See travel insights to Lisbon from

How to get the cheapest flight ticket from Philadelphia 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, January is the cheapest month to fly from Philadelphia to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R12 104. If you’re not able to fly to Lisbon in January, then February is your next best option. Flight prices from Philadelphia to Lisbon during February average around R12 490.

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

You are more likely to see cheaper flights to Lisbon from Philadelphia when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around R17 425 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Philadelphia for as low as R15 369 on momondo.

How have Philadelphia to Lisbon flight prices changed over time?

As of February 2025, prices for Philadelphia to Lisbon flights are approximately 39% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Lisbon

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

Cheap Philadelphia to Lisbon (PHL to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Lisbon

Direct flights

None
There are no direct flights from Philadelphia to Lisbon. There are no popular flight routes from Philadelphia to Lisbon.

  • How far is Philadelphia to Lisbon Humberto Delgado by plane?

    There are 5539,4 km between Philadelphia and Lisbon Humberto Delgado.

  • When did momondo last update prices for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Philadelphia Airport to Lisbon Humberto Delgado Airport are updated daily.

  • How old do you have to be to fly from Philadelphia Airport to Lisbon Humberto Delgado Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Lisbon Humberto Delgado Airport.

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

    The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Philadelphia 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 Philadelphia to Lisbon?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to Lisbon. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to Lisbon with flexible booking policies on momondo?

Yes. All flights to Lisbon from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Philadelphia 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 Philadelphia.

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

Yes momondo offers price alerts on flights to Lisbon from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Lisbon trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 28/2
Fri 7/3