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$504+ Cheap flights from Pittsburgh (PIT) to Lisbon (LIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — LIS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Lisbon Humberto Delgado are usually found in February or January, booked 38 days in advance, depart on a Monday or Wednesday and return on a Monday

Find flight deals from Pittsburgh to Lisbon

Cheapest flights from Pittsburgh to Lisbon
Explore the most affordable flight options available from Pittsburgh to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:55 pmPIT - LIS
2 stops34h 25mAir Canada
Tue 12/95:00 amLIS - PIT
2 stops41h 14mAir Canada
Deal found 10/26$513
This Rumbo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:00 pmPIT - LIS
1 stop11h 00mVirgin Atlantic
Tue 12/910:00 amLIS - PIT
1 stop12h 00mVirgin Atlantic
Deal found 10/26$528
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:30 amPIT - LIS
1 stop18h 45mUnited Airlines
Tue 12/911:20 amLIS - PIT
2 stops28h 54mUnited Airlines
Deal found 10/27$532
This United deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:23 pmPIT - LIS
2 stops15h 52mMultiple Airlines
Tue 12/95:00 amLIS - PIT
2 stops23h 34mMultiple Airlines
Deal found 10/27$533
This KAYAK deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:10 pmPIT - LIS
2 stops40h 35mSWISS
Mon 12/811:50 amLIS - PIT
2 stops38h 00mSWISS
Deal found 10/27$534
This Booking.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:55 pmPIT - LIS
1 stop10h 00mMultiple Airlines
Mon 12/83:25 pmLIS - PIT
2 stops34h 25mMultiple Airlines
Deal found 10/26$542
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:15 pmPIT - LIS
1 stop16h 40mAmerican Airlines
Tue 12/911:05 amLIS - PIT
1 stop16h 25mAmerican Airlines
Deal found 10/26$543
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:00 pmPIT - LIS
1 stop11h 00mDelta
Tue 12/911:15 amLIS - PIT
1 stop11h 24mDelta
Deal found 10/27$547
This Expedia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:15 pmPIT - LIS
1 stop12h 35mBritish Airways
Tue 12/911:05 amLIS - PIT
1 stop12h 42mBritish Airways
Deal found 10/27$548
This Orbitz deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:51 pmPIT - LIS
2 stops24h 39mMultiple Airlines
Mon 12/83:25 pmLIS - PIT
2 stops34h 25mMultiple Airlines
Deal found 10/28$551

Cheap flight deals from Pittsburgh to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$513
(Mytrip)

One-way from

$504
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$820
Provider with most accurate pricing for Pittsburgh-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-Lisbon Humberto Delgado flights.
Search Deals
From Pittsburgh to Lisbon Humberto Delgado
Search Deals
One-way flight from Pittsburgh to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($316 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Pittsburgh to Lisbon that are best for you.

Fly from

Pittsburgh

Fly to

Lisbon

Route

Depart

Return

Price

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Mon 11/24

1:23 pm-10:15 am

2 stops15h 52m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-11:34 pm

2 stops23h 34m

$533

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Tue 12/2

2:10 pm-2:35 pm

2 stops19h 25m

Lisbon Humberto Delgado

Mon 12/8

3:25 pm-8:50 pm

2 stops34h 25m

$534

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Wed 12/3

11:55 am-10:15 am

2 stops17h 20m

Lisbon Humberto Delgado

Tue 12/9

11:20 am-12:43 pm

2 stops30h 23m

$537

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Sun 1/11

5:46 pm-9:20 am

2 stops34h 34m

Lisbon Humberto Delgado

Mon 1/19

11:50 am-9:07 pm

2 stops38h 17m

$542

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Wed 3/11

6:02 pm-11:30 pm

2 stops25h 28m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-11:19 pm

2 stops22h 19m

$545

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Mon 11/24

5:00 pm-9:00 am

1 stop11h 00m

Lisbon Humberto Delgado

Tue 12/9

11:15 am-5:39 pm

1 stop11h 24m

$547

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Wed 12/3

9:15 pm-2:50 pm

1 stop12h 35m

Lisbon Humberto Delgado

Tue 12/9

11:05 am-10:30 pm

1 stop16h 25m

$548

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Wed 3/11

10:15 pm-5:40 pm

1 stop15h 25m

Lisbon Humberto Delgado

Wed 3/18

11:15 am-10:18 pm

1 stop15h 03m

$548

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Tue 12/2

5:51 pm-11:30 pm

2 stops24h 39m

Lisbon Humberto Delgado

Mon 12/8

3:25 pm-8:50 pm

2 stops34h 25m

$551

PittsburghLisbon

PIT - LIS

PITLIS

Pittsburgh

Mon 3/23

10:20 am-10:15 am

1 stop19h 55m

Lisbon Humberto Delgado

Thu 4/2

12:20 pm-11:22 pm

1 stop16h 02m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 13 results
1
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Compare providers for flights from Pittsburgh to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pittsburgh to Lisbon in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Pittsburgh-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pittsburgh-Lisbon flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Pittsburgh-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-Lisbon flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pittsburgh-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pittsburgh to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Pittsburgh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Lisbon

How far ahead should I book a flight from Pittsburgh to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Lisbon. Price data was last updated on October 24, 2025.

The best time to book flights from Pittsburgh to Lisbon is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Pittsburgh to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Lisbon (average of $544). Flying from Pittsburgh to Lisbon in June is currently the most expensive (average of $1,021). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PIT to LIS?

Find hourly flight availability from Pittsburgh to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

It’s optimal to fly from Pittsburgh to Lisbon at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated October 28, 2025.
Read through reviews of airlines operating flights from Pittsburgh to Lisbon, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
TAP AIR PORTUGAL
7.1
Good
2,035 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,483 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pittsburgh to Lisbon?

    For as low as $537, SWISS can have you in Lisbon from Pittsburgh in 17h 20m. The distance between Pittsburgh and Lisbon is about 3675 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Pittsburgh to Lisbon round-trip?

    Our cheapest airline available from Pittsburgh to Lisbon is Air Canada. Our recent data shows that you can find tickets from as low as $592 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $595 and $605 round-trip. These flights start at 38% lower than the current average price 3 months from now.

  • Can I find deals for flights from Pittsburgh to Lisbon that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Lisbon.

  • Can I find deals for business class flights from Pittsburgh to Lisbon?

    Yes. Cheapflights offers flight deals from Pittsburgh to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pittsburgh to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Lisbon (average of $544). Flying from Pittsburgh to Lisbon in June is currently the most expensive (average of $1,021). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pittsburgh to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Pittsburgh to Lisbon

Discover the top 8 airlines that operate flights from Pittsburgh to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$592Average$980FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$595Average$934FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$605Average$919FlexibilityNo cancel feeOn-time70%
DeltaCheapest$667Average$1,091FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$668Average$1,090FlexibilityNo cancel feeOn-time71%
KLMCheapest$721Average$1,217FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$735Average$1,286FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$785Average$1,213FlexibilityNo cancel feeOn-timeN/A

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