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Portugal

$580+ Cheap flights from Greenville (GSP) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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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 August 20, 2025.

Round-trip from

$580
(Ovago)

Popular in

June

Cheapest in

November

Average price

$873
From Greenville to Portugal
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($376 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 20, 2025.

This Ovago deal was found by Cheapflights users on 8/17. 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.
Wed 10/291:35 pmGSP - LIS
1 stop15h 20mBritish Airways
Tue 11/118:45 pmLIS - GSP
2 stops29h 09mBritish Airways
Deal found 8/17$591
This Ovago deal was found by Cheapflights users on 8/18. 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.
Tue 10/281:35 pmGSP - LIS
1 stop15h 30mBritish Airways
Mon 11/106:35 pmLIS - GSP
2 stops28h 17mBritish Airways
Deal found 8/18$610
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Tue 10/2810:00 amGSP - LIS
1 stop20h 15mUnited Airlines
Mon 11/105:00 amLIS - GSP
2 stops44h 49mUnited Airlines
Deal found 8/20$618
This Ovago deal was found by Cheapflights users on 8/18. 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 10/251:38 pmGSP - LIS
1 stop15h 27mBritish Airways
Wed 11/126:30 amLIS - GSP
2 stops19h 24mBritish Airways
Deal found 8/18$630
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 11/2810:00 amGSP - LIS
1 stop19h 15mUnited Airlines
Thu 12/1110:55 amLIS - GSP
2 stops38h 54mUnited Airlines
Deal found 8/19$632
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/255:34 pmGSP - LIS
2 stops35h 46mUnited Airlines
Wed 11/1211:20 amLIS - GSP
2 stops34h 33mUnited Airlines
Deal found 8/20$633
This FlightHub deal was found by Cheapflights users on 8/18. 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 10/255:16 pmGSP - LIS
2 stops35h 39mScandinavian Airlines
Wed 11/124:55 pmLIS - GSP
2 stops33h 26mScandinavian Airlines
Deal found 8/18$639
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 12/269:40 amGSP - OPO
2 stops24h 05mUnited Airlines
Fri 1/212:30 pmOPO - GSP
2 stops37h 26mUnited Airlines
Deal found 8/20$1,285
This Gurufare deal was found by Cheapflights users on 8/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:07 pmGSP - OPO
1 stop10h 38mLufthansa
Wed 8/276:00 amOPO - GSP
2 stops17h 52mLufthansa
Deal found 8/20$1,428
This United Airlines deal was found by Cheapflights users on 8/20. 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 8/216:07 pmGSP - OPO
1 stop10h 38mUnited Airlines
Wed 8/279:35 amOPO - GSP
1 stop12h 30mUnited Airlines
Deal found 8/20$1,495

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 August 20, 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

11:08 am-9:05 am

1 stop16h 57m

Lisbon Humberto Delgado

Thu 1/22

6:30 am-8:35 pm

2 stops19h 05m

$580

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 1/12

10:21 am-9:20 am

2 stops41h 59m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-9:11 pm

2 stops39h 16m

$588

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Wed 10/29

1:35 pm-8:55 am

1 stop15h 20m

Lisbon Humberto Delgado

Tue 11/11

8:45 pm-8:54 pm

2 stops29h 09m

$591

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 10/28

1:35 pm-9:05 am

1 stop15h 30m

Lisbon Humberto Delgado

Mon 11/10

6:35 pm-5:52 pm

2 stops28h 17m

$610

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sun 2/15

10:21 am-11:40 am

2 stops20h 19m

Porto

Thu 3/5

6:00 am-9:11 pm

2 stops20h 11m

$617

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sun 2/15

10:21 am-11:40 am

2 stops20h 19m

Porto

Wed 3/4

6:00 am-9:11 pm

2 stops20h 11m

$617

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 1/12

10:21 am-11:40 am

2 stops20h 19m

Porto

Thu 1/22

6:00 am-9:11 pm

2 stops20h 11m

$617

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sun 2/15

10:21 am-11:40 am

2 stops20h 19m

Porto

Tue 3/3

6:00 am-9:11 pm

2 stops20h 11m

$617

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sun 2/15

10:21 am-11:40 am

2 stops20h 19m

Porto

Fri 3/6

6:00 am-9:11 pm

2 stops20h 11m

$617

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sun 2/15

10:21 am-11:40 am

2 stops20h 19m

Porto

Mon 3/2

12:30 pm-4:55 pm

2 stops33h 25m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 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, January is the cheapest month in which you can book a flight from Greenville to Portugal (average of $612). Flying from Greenville to Portugal in June is currently the most expensive (average of $1,127). 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 August 20, 2025.

When flying from Greenville to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 20, 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
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,289 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 and United Airlines fly from Greenville to Portugal in about 16h 57m. The time it takes to get you to your destination can typically vary by up to 3h 22m. The distance between Greenville and Portugal is about 3937 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, January is the cheapest month in which you can book a flight from Greenville to Portugal (average of $612). Flying from Greenville to Portugal in June is currently the most expensive (average of $1,127). 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$535Average$883FlexibilityNo cancel feeOn-time70%
DeltaCheapest$550Average$794FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$600Average$949FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$702Average$1,144FlexibilityNo cancel feeOn-time71%

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