$338 Cheap Flights from Pittsburgh (PIT) to Lisbon (LIS)

View $338 flight on Tue, Oct 20, 2026Opens in a new window

Popular airlines from Pittsburgh Intl. Airport (PIT) to Humberto Delgado Airport (LIS)

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Cheap Flights from Pittsburgh to Lisbon (PIT-LIS)

Prices were available within the past 7 days and start at $338 for one-way flights and $714 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Nov 29 - Sun, Dec 6
PIT
Pittsburgh
LIS
Lisbon
$714 Roundtrip, found 6 days ago
$714
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 29 from Pittsburgh to Lisbon, returning Sun, Dec 6, priced at $714 found 6 days ago
Swiss International Air Lines
Sun, Jan 10 - Sun, Jan 17
PIT
Pittsburgh
LIS
Lisbon
$726 Roundtrip, found 4 days ago
$726
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Sun, Jan 10 from Pittsburgh to Lisbon, returning Sun, Jan 17, priced at $726 found 4 days ago
Virgin Atlantic
Fri, Nov 27 - Fri, Dec 4
PIT
Pittsburgh
LIS
Lisbon
$727 Roundtrip, found 4 days ago
$727
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Fri, Nov 27 from Pittsburgh to Lisbon, returning Fri, Dec 4, priced at $727 found 4 days ago
Iberia
Sun, Nov 1 - Wed, Nov 11
PIT
Pittsburgh
LIS
Lisbon
$727 Roundtrip, found 3 days ago
$727
Roundtrip
found 3 days ago
Select Iberia flight, departing Sun, Nov 1 from Pittsburgh to Lisbon, returning Wed, Nov 11, priced at $727 found 3 days ago
Delta
Fri, Feb 19 - Sun, Feb 28
PIT
Pittsburgh
LIS
Lisbon
$727 Roundtrip, found 19 hours ago
$727
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Feb 19 from Pittsburgh to Lisbon, returning Sun, Feb 28, priced at $727 found 19 hours ago
British Airways
Fri, Jan 15 - Fri, Jan 22
PIT
Pittsburgh
LIS
Lisbon
$729 Roundtrip, found 6 days ago
$729
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Jan 15 from Pittsburgh to Lisbon, returning Fri, Jan 22, priced at $729 found 6 days ago
American Airlines
Sun, Nov 1 - Wed, Nov 11
PIT
Pittsburgh
LIS
Lisbon
$731 Roundtrip, found 3 days ago
$731
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Nov 1 from Pittsburgh to Lisbon, returning Wed, Nov 11, priced at $731 found 3 days ago
Lufthansa
Mon, Nov 2 - Mon, Nov 9
PIT
Pittsburgh
LIS
Lisbon
$734 Roundtrip, found 5 days ago
$734
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Mon, Nov 2 from Pittsburgh to Lisbon, returning Mon, Nov 9, priced at $734 found 5 days ago
Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
PIT
Pittsburgh
LIS
Lisbon
$739 Roundtrip, found 5 days ago
$739
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Mon, Nov 2 from Pittsburgh to Lisbon, returning Mon, Nov 9, priced at $739 found 5 days ago
KLM
Mon, Nov 2 - Mon, Nov 9
PIT
Pittsburgh
LIS
Lisbon
$772 Roundtrip, found 5 days ago
$772
Roundtrip
found 5 days ago
Select KLM flight, departing Mon, Nov 2 from Pittsburgh to Lisbon, returning Mon, Nov 9, priced at $772 found 5 days ago

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 $1,075
LIS
Humberto Delgado
Cheapest
Flights from $1,075

Find the cheapest month to fly from Pittsburgh (PIT) to Lisbon (LIS)

April is typically the cheapest month to fly

From $530 - $1,305 per traveler.

Frequently asked questions

How much does a flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) cost?
You can find cheap one-way flights from $338 and cheap return flights from $714 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) with Expedia. One-way flights usually range from $389 to $2835, and return flights typically cost between $693 and $4320. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
February is typically the cheapest month to fly from Pittsburgh (PIT) to Lisbon (LIS), with average return fares around $576. This is about 40% lower than the average price throughout the year, as demand tends to drop after the holiday season. Other cheap months to fly from Pittsburgh to Lisbon include January and March.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
Enter PIT to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
When flying from Pittsburgh (PIT) to Lisbon (LIS), the best months to consider are January and February. January offers return flights at around $576, making it a cost-effective choice, while February is also a good option for travelers looking for lower fares. These months strike a balance between price and availability, as indicated by booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Pittsburgh (Pittsburgh International) to Lisbon (Humberto Delgado) usually departs at about 5:20 AM. This seasonal service can help you start your adventure in Lisbon early, maximizing your time in this beautiful city. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Pittsburgh International Airport (PIT) to Lisbon Humberto Delgado Airport (LIS) are in the afternoon, from 3pm to 6pm. About 33% of passengers prefer this time window. Many major carriers, including Delta Air Lines, United Airlines and American Airlines, offer flights during this window. This timing works well because it allows you to arrive in Lisbon in the morning, ready to start your day.
How long does it take to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
A flight from PIT to LIS with a layover takes around 15 hours 20 minutes, with the route covering approximately 3,679 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
Business class seats are offered on the PIT to LIS route. Airlines that offer business class service on this route include:

  • United Airlines
  • British Airways
  • American Airlines
  • Delta Air Lines
  • Air Canada
  • JetBlue Airways
  • Icelandair
  • Air France
  • Finnair

How do I earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lisbon from Pittsburgh Intl. (PIT)?
If you're planning to travel to Lisbon from Pittsburgh Intl. (PIT), you can fly into Humberto Delgado (LIS) Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), John F. Kennedy Intl. (JFK) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) Lisbon Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado)?
If you booked your Pittsburgh, PA (PIT-Pittsburgh Intl.) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Pittsburgh 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, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$714
Distance
3678 mi

Book with confidence

Pittsburgh to Lisbon Flights

The cheapest times to fly from Pittsburgh 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 Pittsburgh to Lisbon are during the month of November. You can find some of the cheapest flights from Pittsburgh to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pittsburgh to Lisbon

Sunday is one of the best days to book for cheap flights from Pittsburgh 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 Pittsburgh 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 Pittsburgh to Lisbon in 2026. You can also book with separate airlines for your outbound and return journeys, from $338 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 Pittsburgh 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 Pittsburgh 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.

 

Pittsburgh to Lisbon Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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