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Portugal

$373+ Cheap flights from Greenville (GSP) to Portugal

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find flight deals from Greenville to Portugal

Cheapest flights from Greenville to Portugal
Explore the most affordable flight options available from Greenville to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This United Airlines deal was found by Cheapflights users on 10/12. 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 10/299:10 amGSP - LIS
2 stops19h 45mUnited Airlines
Tue 11/1111:20 amLIS - GSP
2 stops36h 50mUnited Airlines
Deal found 10/12$492
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Mon 12/812:05 pmGSP - LIS
1 stop15h 05mUnited Airlines
Wed 12/2411:55 amLIS - GSP
1 stop31h 20mUnited Airlines
Deal found 10/13$502
This Expedia deal was found by Cheapflights users on 10/14. 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.
Tue 10/218:01 amGSP - LIS
2 stops20h 19mMultiple Airlines
Tue 11/112:10 pmLIS - GSP
2 stops38h 46mMultiple Airlines
Deal found 10/14$507
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/2612:23 pmGSP - LIS
2 stops21h 27mUnited Airlines
Wed 12/35:00 amLIS - GSP
2 stops19h 10mUnited Airlines
Deal found 10/12$514
This Orbitz deal was found by Cheapflights users on 10/14. 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 10/215:34 pmGSP - LIS
2 stops23h 31mLufthansa
Tue 11/112:10 pmLIS - GSP
2 stops38h 46mLufthansa
Deal found 10/14$526
This Ovago deal was found by Cheapflights users on 10/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:46 pmGSP - LIS
1 stop14h 44mLufthansa
Wed 11/125:00 amLIS - GSP
2 stops23h 56mLufthansa
Deal found 10/12$529
This Booking.com deal was found by Cheapflights users on 10/13. 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.
Thu 11/276:00 amGSP - LIS
2 stops22h 20mMultiple Airlines
Thu 12/42:10 pmLIS - GSP
2 stops38h 49mMultiple Airlines
Deal found 10/13$548
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 11/2710:00 amGSP - LIS
1 stop19h 15mUnited Airlines
Thu 12/45:00 amLIS - GSP
2 stops43h 10mUnited Airlines
Deal found 10/13$550
This United deal was found by Cheapflights users on 10/14. 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.
Thu 10/238:01 amGSP - LIS
1 stop19h 19mMultiple Airlines
Tue 11/112:10 pmLIS - GSP
2 stops38h 46mMultiple Airlines
Deal found 10/14$557
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:25 pmGSP - LIS
2 stops22h 05mLufthansa
Mon 11/106:10 amLIS - GSP
2 stops22h 46mLufthansa
Deal found 10/12$561
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:21 pmGSP - OPO
2 stops17h 04mLufthansa
Tue 11/116:00 amOPO - GSP
2 stops22h 56mLufthansa
Deal found 10/12$749
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 10/206:05 pmGSP - OPO
1 stop10h 40mUnited Airlines
Fri 11/1412:30 pmOPO - GSP
2 stops26h 36mUnited Airlines
Deal found 10/14$758

Cheap flight deals from Greenville to Portugal

Keep the following information in mind while searching for Greenville to Portugal flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$486
(United)

One-way from

$373
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$670
Provider with most accurate pricing for Greenville-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Lisbon Humberto Delgado flights.
Search Deals
From Greenville to Portugal
Search Deals
One-way flight from Greenville to Portugal
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($355 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 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 Greenville to Portugal 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 14, 2025.
Use the filters below to find and compare flights from Greenville to Portugal that are best for you.

Fly from

Greenville

Fly to

Portugal

Route

Depart

Return

Price

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 1/12

11:49 am-8:10 am

1 stop15h 21m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-8:47 pm

2 stops38h 52m

$486

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 1/12

11:49 am-9:20 am

2 stops40h 31m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-8:47 pm

2 stops38h 52m

$491

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 12/8

12:05 pm-8:10 am

1 stop15h 05m

Lisbon Humberto Delgado

Wed 12/24

11:55 am-11:56 pm

2 stops17h 01m

$502

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 1/12

11:00 am-12:05 pm

2 stops20h 05m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-5:56 pm

1 stop12h 01m

$506

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Wed 11/26

12:23 pm-2:50 pm

2 stops21h 27m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-7:10 pm

2 stops19h 10m

$514

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 1/12

11:49 am-2:55 pm

2 stops22h 06m

Porto

Thu 1/22

6:00 am-11:48 pm

2 stops22h 48m

$549

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Thu 11/27

10:00 am-10:15 am

1 stop19h 15m

Lisbon Humberto Delgado

Thu 12/4

5:00 am-7:10 pm

2 stops43h 10m

$550

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Fri 3/27

10:00 am-9:30 am

2 stops19h 30m

Porto

Tue 3/31

6:00 am-6:50 pm

2 stops17h 50m

$865

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sun 12/21

8:34 am-11:40 am

2 stops46h 06m

Porto

Sun 12/28

6:00 am-10:56 am

2 stops33h 56m

$1,372

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sun 12/21

11:55 am-12:50 pm

2 stops19h 55m

Porto

Sun 12/28

6:00 am-7:16 pm

2 stops18h 16m

$1,711

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 17 results
1
2

Best time to book a flight from Greenville to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Greenville 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 Greenville to Portugal

What is the cheapest month to book a flight from Greenville to Portugal?

Currently, January is the cheapest month in which you can book a flight from Greenville to Portugal (average of $535). Flying from Greenville to Portugal in June is currently the most expensive (average of $758). 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 GSP to PT?

Find hourly flight availability from Greenville to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Greenville to Portugal in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated October 14, 2025.
Read through reviews of airlines operating flights from Greenville to Portugal, 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
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

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
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

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
8,976 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

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
11,042 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

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
7,456 reviews
Delta
8.0
Very good
7,975 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

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 Greenville to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Greenville to Portugal?

    Greenville (GSP), located 10.4 mi from the city center, is the airport you fly out of when you book flights from Greenville to Portugal.

  • How long is the flight from Greenville to Portugal?

    Airlines like Air Canada, United Airlines, and Lufthansa fly from Greenville to Portugal in about 15h 05m. The time it takes to get you to your destination can typically vary by up to 25h 26m. The distance between Greenville and Portugal is about 3937 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Greenville to Portugal one-way?

    The cheapest airlines for a one-way flight from Greenville to Portugal are United Airlines ($373), British Airways ($436), and Lufthansa ($508).

  • Can I find deals for flights from Greenville to Portugal that include hotel bookings?

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

  • How can I find direct flights from Greenville to Portugal?

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

  • Can I find deals for business class flights from Greenville to Portugal?

    Yes. Cheapflights offers flight deals from Greenville to Portugal 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 Greenville to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Greenville to Portugal (average of $535). Flying from Greenville to Portugal in June is currently the most expensive (average of $758). 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

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Top 4 airlines flying from Greenville to Portugal

Discover the top 4 airlines that operate flights from Greenville to Portugal. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$535Average$912FlexibilityNo cancel feeOn-time70%
DeltaCheapest$577Average$994FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$619Average$985FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$670Average$1,110FlexibilityNo cancel feeOn-time71%

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