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Portugal

$383+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/209:40 amGSP - LIS
1 stop19h 35mUnited Airlines
Wed 12/315:00 amLIS - GSP
2 stops19h 16mUnited Airlines
Deal found 12/3$1,124
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Sat 12/205:36 pmGSP - LIS
2 stops34h 44mUnited Airlines
Sat 12/2711:55 amLIS - GSP
1 stop12h 21mUnited Airlines
Deal found 12/2$1,330
This FlightHub deal was found by Cheapflights users on 12/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:36 pmGSP - LIS
2 stops34h 44mMultiple Airlines
Sat 12/2711:55 amLIS - GSP
1 stop12h 21mMultiple Airlines
Deal found 12/4$1,666
This Air Canada deal was found by Cheapflights users on 12/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:36 pmGSP - LIS
2 stops34h 44mAir Canada
Sat 12/2711:20 amLIS - GSP
2 stops36h 56mAir Canada
Deal found 12/3$1,700
This Ovago deal was found by Cheapflights users on 12/3. 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.
Sat 12/2012:16 pmGSP - LIS
1 stop14h 54mLufthansa
Sat 12/2711:55 amLIS - GSP
1 stop12h 21mLufthansa
Deal found 12/3$1,897
This Air Canada deal was found by Cheapflights users on 12/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:36 pmGSP - LIS
2 stops34h 44mAir Canada
Wed 12/3111:00 amLIS - GSP
2 stops32h 15mAir Canada
Deal found 12/2$1,917

Find flight deals from Greenville to Portugal

Keep the following information in mind while searching for Greenville to Portugal flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$444
(oojo)

One-way from

$383
(Air France)

Popular in

June

Cheapest in

October

Average price

$1,182
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.
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From Greenville to Portugal
Search Deals
One-way flight from Greenville to Portugal
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($330 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 4, 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

6:00 am-12:05 pm

2 stops25h 05m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-5:56 pm

1 stop12h 01m

$444

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Wed 2/25

8:19 am-8:00 am

2 stops18h 41m

Lisbon Humberto Delgado

Thu 3/5

10:00 am-9:38 pm

2 stops16h 38m

$460

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Wed 2/25

12:10 pm-8:00 am

2 stops14h 50m

Lisbon Humberto Delgado

Mon 3/9

5:00 am-8:33 pm

2 stops19h 33m

$476

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Wed 2/25

11:35 am-8:00 am

2 stops15h 25m

Lisbon Humberto Delgado

Sat 3/7

5:30 am-8:19 pm

2 stops19h 49m

$482

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Thu 2/26

6:00 am-8:00 am

2 stops21h 00m

Lisbon Humberto Delgado

Thu 3/5

10:00 am-8:19 pm

2 stops15h 19m

$485

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 1/12

2:55 pm-11:40 am

2 stops15h 45m

Porto

Thu 1/22

6:00 am-7:29 pm

2 stops18h 29m

$488

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sat 2/7

6:20 am-8:55 am

2 stops21h 35m

Lisbon Humberto Delgado

Thu 2/19

11:20 am-11:59 pm

2 stops41h 39m

$489

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sun 2/8

6:49 am-8:10 am

2 stops20h 21m

Lisbon Humberto Delgado

Tue 2/17

11:20 am-2:16 pm

2 stops31h 56m

$491

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sat 2/7

12:04 pm-8:10 am

1 stop15h 06m

Lisbon Humberto Delgado

Tue 2/17

5:00 am-8:55 pm

2 stops20h 55m

$492

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sun 2/8

11:49 am-8:10 am

1 stop15h 21m

Lisbon Humberto Delgado

Wed 2/18

5:00 am-8:55 pm

2 stops20h 55m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 22 results
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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, December is the cheapest month in which you can book a flight from Greenville to Portugal (average of $519). Flying from Greenville to Portugal in June is currently the most expensive (average of $749). 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 December 4, 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 26% 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 December 4, 2025.
Read through reviews of airlines operating flights from Greenville to Portugal, such as United Airlines, American Airlines, and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,063 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,063 reviews
United Airlines
7.4
Good
9,063 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,043 reviews
United Airlines
7.4
Good
9,063 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,559 reviews
United Airlines
7.4
Good
9,063 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 British Airways, Delta, and Lufthansa fly from Greenville to Portugal in about 15h 45m. The time it takes to get you to your destination can typically vary by up to 9h 20m. The distance between Greenville and Portugal is about 3901 mi. This flight may include one or multiple stops.

  • 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, December is the cheapest month in which you can book a flight from Greenville to Portugal (average of $519). Flying from Greenville to Portugal in June is currently the most expensive (average of $749). 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 3 airlines flying from Greenville to Portugal

Discover the top 3 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$535Average$1,013FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$587Average$1,067FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$619Average$985FlexibilityNo cancel feeOn-time69%

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