$355 Cheap Flights from Philadelphia (PHL) to Lisbon (LIS)

View $355 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Philadelphia to Lisbon (PHL-LIS)

Prices were available within the past 7 days and start at $355 for one-way flights and $529 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Dec 3 - Thu, Dec 11
PHL
Philadelphia
LIS
Lisbon
$529 Roundtrip, found 6 hours ago
$529
Roundtrip
found 6 hours ago
Select British Airways flight, departing Wed, Dec 3 from Philadelphia to Lisbon, returning Thu, Dec 11, priced at $529 found 6 hours ago
Iberia
Wed, Dec 3 - Thu, Dec 11
PHL
Philadelphia
LIS
Lisbon
$529 Roundtrip, found 6 hours ago
$529
Roundtrip
found 6 hours ago
Select Iberia flight, departing Wed, Dec 3 from Philadelphia to Lisbon, returning Thu, Dec 11, priced at $529 found 6 hours ago
British Airways
Wed, Dec 3 - Thu, Dec 11
PHL
Philadelphia
LIS
Lisbon
$529 Roundtrip, found 6 hours ago
$529
Roundtrip
found 6 hours ago
Select British Airways flight, departing Wed, Dec 3 from Philadelphia to Lisbon, returning Thu, Dec 11, priced at $529 found 6 hours ago
American Airlines
Mon, Mar 16 - Tue, Mar 24
PHL
Philadelphia
LIS
Lisbon
$530 Roundtrip, found 9 hours ago
$530
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Mon, Mar 16 from Philadelphia to Lisbon, returning Tue, Mar 24, priced at $530 found 9 hours ago
Scandinavian Airlines
Tue, Feb 24 - Sat, Feb 28
PHL
Philadelphia
LIS
Lisbon
$539 Roundtrip, found 6 days ago
$539
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Tue, Feb 24 from Philadelphia to Lisbon, returning Sat, Feb 28, priced at $539 found 6 days ago
Virgin Atlantic
Mon, Nov 24 - Wed, Dec 3
PHL
Philadelphia
LIS
Lisbon
$545 Roundtrip, found 6 hours ago
$545
Roundtrip
found 6 hours ago
Select Virgin Atlantic flight, departing Mon, Nov 24 from Philadelphia to Lisbon, returning Wed, Dec 3, priced at $545 found 6 hours ago
Delta
Mon, Nov 24 - Fri, Dec 12
PHL
Philadelphia
LIS
Lisbon
$545 Roundtrip, found 5 hours ago
$545
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Nov 24 from Philadelphia to Lisbon, returning Fri, Dec 12, priced at $545 found 5 hours ago
Aer Lingus
Mon, Sep 29 - Wed, Oct 8
PHL
Philadelphia
LIS
Lisbon
$584 Roundtrip, found 1 day ago
$584
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Sep 29 from Philadelphia to Lisbon, returning Wed, Oct 8, priced at $584 found 1 day ago
Air France
Mon, Nov 10 - Wed, Nov 19
PHL
Philadelphia
LIS
Lisbon
$608 Roundtrip, found 4 days ago
$608
Roundtrip
found 4 days ago
Select Air France flight, departing Mon, Nov 10 from Philadelphia to Lisbon, returning Wed, Nov 19, priced at $608 found 4 days ago
KLM
Mon, Nov 10 - Wed, Nov 19
PHL
Philadelphia
LIS
Lisbon
$623 Roundtrip, found 4 days ago
$623
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Nov 10 from Philadelphia to Lisbon, returning Wed, Nov 19, priced at $623 found 4 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Lisbon (LIS)

November is typically the cheapest month to fly

From $483 - $1,263 per traveler.

Alternative airports near Lisbon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Humberto Delgado LIS. Cheapest option available. Flights from $1,015
LIS
Humberto Delgado
Cheapest
Flights from $1,015
Flights from Philadelphia (PHL) to Lisbon (LIS)
Origin airport
Philadelphia Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$528
Distance
3449 mi
Average flight time
6 hours 45 mins

Philadelphia to Lisbon Flights

The cheapest times to fly from Philadelphia to Lisbon

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 Philadelphia to Lisbon are during the month of December. You can find some of the cheapest flights from Philadelphia to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Lisbon

Sunday is one of the best days to book for cheap flights from Philadelphia to Lisbon: 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 Philadelphia to Lisbon

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 Philadelphia to Lisbon in 2025. You can also book with separate airlines for your outbound and return journeys, from $355 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 Philadelphia to Lisbon 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 Philadelphia to Lisbon 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.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS) cost?
Grab a cheap one-way flight from $355 or cheap return flight from $529 from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS) 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 Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
The cheapest month to fly from PHL to LIS is December, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
Catch a nonstop flight with American Airlines and journey straight from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS).
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHL to LIS flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
On average, you can take your pick of 3 direct flights departing from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS) each week. If you don't see one that works for your schedule, consider catching a flight that includes a layover. Filter your search on Expedia to include one or more stops and choose the best alternative.
What are the most popular departure times for flights from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
Flights between PHL and LIS are busiest at 9 PM. For a more relaxed atmosphere and potentially cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from PHL to LIS?
Travel on a Friday if you're looking for the best selection of flights from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS).
What is the earliest flight from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
Philadelphia Intl. Airport (PHL)'s earliest flight to Humberto Delgado Airport (LIS) departs at approximately 8:30PM UTC-5. With a flight time of 6h 25m, you'll arrive at around 7:55AM UTC+0.
How long does it take to fly from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
Flights from PHL to LIS have an average travel time of 6 hours and 26 minutes. The total distance between these two airports is 3,500 mi.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
Select a flight from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Lisbon District from Philadelphia Intl. Airport (PHL)?
If you've booked a direct flight from Philadelphia Intl. Airport (PHL) to Lisbon District, Humberto Delgado Airport (LIS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS) last-minute?
Last-minute fares from PHL to LIS are generally more expensive. To secure the lowest prices, start looking for flights well ahead of time. That said, if your travel plans are flexible, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a PHL to LIS flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHL to LIS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Humberto Delgado Airport (LIS)?
Typically, it's possible to cancel or reschedule your PHL to LIS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.