$487 Cheap Flights from Lisbon (LIS) to Philadelphia (PHL)

View $487 flight on Wed, Mar 11, 2026Opens in a new window

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

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Cheap Flights from Lisbon to Philadelphia (LIS-PHL)

Prices were available within the past 7 days and start at $487 for one-way flights and $697 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, Apr 16 - Mon, Apr 20
LIS
Lisbon
PHL
Philadelphia
$697 Roundtrip, found 5 days ago
$697
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Thu, Apr 16 from Lisbon to Philadelphia, returning Mon, Apr 20, priced at $697 found 5 days ago
United
Sat, Nov 8 - Mon, Nov 10
LIS
Lisbon
PHL
Philadelphia
$751 Roundtrip, found 3 hours ago
$751
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Nov 8 from Lisbon to Philadelphia, returning Mon, Nov 10, priced at $751 found 3 hours ago
Lufthansa
Wed, Jun 17 - Tue, Jun 23
LIS
Lisbon
PHL
Philadelphia
$770 Roundtrip, found 17 hours ago
$770
Roundtrip
found 17 hours ago
Select Lufthansa flight, departing Wed, Jun 17 from Lisbon to Philadelphia, returning Tue, Jun 23, priced at $770 found 17 hours ago
Lufthansa
Sat, Feb 7 - Sun, Feb 15
LIS
Lisbon
PHL
Philadelphia
$772 Roundtrip, found 2 hours ago
$772
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Sat, Feb 7 from Lisbon to Philadelphia, returning Sun, Feb 15, priced at $772 found 2 hours ago
Air Canada
Sat, Feb 7 - Sun, Feb 15
LIS
Lisbon
PHL
Philadelphia
$777 Roundtrip, found 2 hours ago
$777
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Feb 7 from Lisbon to Philadelphia, returning Sun, Feb 15, priced at $777 found 2 hours ago
Air Canada
Sat, Feb 7 - Sun, Feb 15
LIS
Lisbon
PHL
Philadelphia
$778 Roundtrip, found 2 hours ago
$778
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Feb 7 from Lisbon to Philadelphia, returning Sun, Feb 15, priced at $778 found 2 hours ago
British Airways
Sat, Nov 8 - Fri, Nov 14
LIS
Lisbon
PHL
Philadelphia
$780 Roundtrip, found 13 hours ago
$780
Roundtrip
found 13 hours ago
Select British Airways flight, departing Sat, Nov 8 from Lisbon to Philadelphia, returning Fri, Nov 14, priced at $780 found 13 hours ago
Iberia
Mon, Feb 23 - Sun, Mar 1
LIS
Lisbon
PHL
Philadelphia
$791 Roundtrip, found 1 hour ago
$791
Roundtrip
found 1 hour ago
Select Iberia flight, departing Mon, Feb 23 from Lisbon to Philadelphia, returning Sun, Mar 1, priced at $791 found 1 hour ago
British Airways
Mon, Feb 23 - Sun, Mar 1
LIS
Lisbon
PHL
Philadelphia
$792 Roundtrip, found 1 hour ago
$792
Roundtrip
found 1 hour ago
Select British Airways flight, departing Mon, Feb 23 from Lisbon to Philadelphia, returning Sun, Mar 1, priced at $792 found 1 hour ago
American Airlines
Sat, Nov 8 - Tue, Nov 18
LIS
Lisbon
PHL
Philadelphia
$802 Roundtrip, found 3 hours ago
$802
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Lisbon to Philadelphia, returning Tue, Nov 18, priced at $802 found 3 hours ago

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

September is typically the cheapest month to fly

From $560 - $1,084 per traveler.

Alternative airports near Philadelphia

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

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $957
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $957

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL) cost?
Snag a cheap one-way flight from $487 or cheap return flight from $697 from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
Traveling in April can help you save, as it's the cheapest month for flights between LIS and PHL. You'll usually find the lowest prices during off-peak months.
Which airlines fly direct from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
You can fly nonstop from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL) on an American Airlines flight.
What is the cheapest airline that flies from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from LIS to PHL. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
On average, you can choose from 2 direct flights each week from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL). To broaden your travel options, consider taking a flight with a layover. Just enter your dates on Expedia and then set the filter tool to include one stop or more.
What are the most popular departure times for flights from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
More passengers fly between LIS and PHL at 10 AM than at any other time. Rather go when it's quieter? Try choosing a quieter departure window and you're likely to save on your fare as well.
What day of the week has the most flights from LIS to PHL?
If you fly on a Friday, you'll get the biggest range of choices for flights from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
Humberto Delgado Airport (LIS)'s earliest flight to Philadelphia Intl. Airport (PHL) departs at approximately 10:55AM UTC+0. With a travel duration of 8h 5m, you'll land at around 2:00PM UTC-5.
How long does it take to fly from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
It takes about 8 hours and 2 minutes to cover the 3,500 mi from LIS to PHL.
What airline has the least delays from LIS to PHL?
Consider traveling with Finnair if you'd like to fly straight from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL) without any holdups. This carrier has the best track record for punctuality, with an on-time score of 92%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
To reach Philadelphia Intl. Airport (PHL) on time, pick a flight that leaves Humberto Delgado Airport (LIS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Philadelphia from Humberto Delgado Airport (LIS)?
If you're traveling on a direct flight from Humberto Delgado Airport (LIS) to Philadelphia, Philadelphia Intl. Airport (PHL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL) last-minute?
Waiting until right before your break to book a ticket from LIS to PHL often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a LIS to PHL flight and hotel package?
Compared with arranging hotels and flights separately, booking a LIS to PHL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Philadelphia Intl. Airport (PHL)?
Usually, it's possible to reschedule or cancel your LIS to PHL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Humberto Delgado
Destination airport
Philadelphia Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American 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
$697
Distance
3449 mi
Average flight time
8 hours 5 mins

Book with confidence

Lisbon to Philadelphia Flights

The cheapest times to fly from Lisbon to Philadelphia

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

 

The best time to book a flight from Lisbon to Philadelphia

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

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 Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $487 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 Philadelphia 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 Philadelphia 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 Philadelphia Flights

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