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Portugal

$365+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$505
(FlightHub)

One-way from

$365
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$1,002
From Greenville to Portugal
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One-way flight from Greenville to Portugal
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Highest demand for flights based on searches. 28% potential increase in price ($372 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/11. 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 stops34h 39mScandinavian Airlines
Deal found 9/11$505
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/125:00 amLIS - GSP
2 stops20h 49mUnited Airlines
Deal found 9/10$555
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/251:38 pmGSP - LIS
1 stop15h 27mAmerican Airlines
Wed 11/126:30 amLIS - GSP
2 stops19h 28mAmerican Airlines
Deal found 9/10$557
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/289:10 amGSP - LIS
2 stops20h 10mUnited Airlines
Mon 11/105:00 amLIS - GSP
2 stops44h 49mUnited Airlines
Deal found 9/10$568
This Ovago deal was found by Cheapflights users on 9/10. 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
2 stops18h 35mBritish Airways
Tue 11/118:45 pmLIS - GSP
2 stops29h 13mBritish Airways
Deal found 9/10$580
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 11/1910:08 amGSP - OPO
2 stops19h 22mDelta
Thu 11/2711:15 amOPO - GSP
2 stops17h 40mDelta
Deal found 9/10$591
This Ovago deal was found by Cheapflights users on 9/10. 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 11/103:50 pmLIS - GSP
2 stops34h 08mBritish Airways
Deal found 9/10$594
This Booking.com deal was found by Cheapflights users on 9/11. 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 20mAir Canada
Sat 12/611:20 amLIS - GSP
2 stops17h 39mAir Canada
Deal found 9/11$646
This Air France deal was found by Cheapflights users on 9/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:44 pmGSP - OPO
2 stops15h 46mMultiple Airlines
Tue 10/2811:15 amOPO - GSP
2 stops25h 44mMultiple Airlines
Deal found 9/10$651
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/272:55 pmGSP - LIS
1 stop14h 20mUnited Airlines
Sat 12/611:55 amLIS - GSP
1 stop12h 15mUnited Airlines
Deal found 9/11$655
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Thu 11/2710:00 amGSP - LIS
3 stops18h 20mMultiple Airlines
Sat 12/611:20 amLIS - GSP
2 stops17h 39mMultiple Airlines
Deal found 9/11$662
This Ovago deal was found by Cheapflights users on 9/10. 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 10/146:05 pmGSP - OPO
1 stop10h 40mLufthansa
Tue 10/286:00 amOPO - GSP
2 stops21h 56mLufthansa
Deal found 9/10$761

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 September 11, 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

$507

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 1/12

6:33 pm-9:05 am

1 stop9h 32m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-11:17 pm

2 stops17h 22m

$514

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sat 10/25

11:05 am-10:05 am

1 stop18h 00m

Lisbon Humberto Delgado

Wed 11/12

6:30 am-8:58 pm

2 stops19h 28m

$557

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 10/28

9:10 am-9:20 am

2 stops20h 10m

Lisbon Humberto Delgado

Mon 11/10

5:00 am-8:49 pm

2 stops44h 49m

$568

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 1/12

10:51 am-9:20 am

2 stops17h 29m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-11:48 pm

3 stops17h 53m

$568

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 1/12

11:08 am-11:45 am

2 stops19h 37m

Porto

Thu 1/22

8:20 am-8:35 pm

2 stops17h 15m

$580

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Wed 11/19

10:08 am-10:30 am

2 stops19h 22m

Porto

Thu 11/27

11:15 am-11:55 pm

2 stops17h 40m

$591

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 10/28

1:35 pm-9:05 am

1 stop15h 30m

Lisbon Humberto Delgado

Mon 11/10

3:50 pm-5:51 pm

2 stops31h 01m

$595

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Thu 11/27

6:00 am-9:20 am

2 stops22h 20m

Lisbon Humberto Delgado

Sat 12/6

11:20 am-11:59 pm

2 stops17h 39m

$646

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Thu 11/27

2:55 pm-10:15 am

1 stop14h 20m

Lisbon Humberto Delgado

Sat 12/6

5:00 am-7:10 pm

2 stops19h 10m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 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 $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 September 11, 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 September 11, 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
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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, American Airlines, and United Airlines fly from Greenville to Portugal in about 9h 32m. The time it takes to get you to your destination can typically vary by up to 10h 38m. 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 Air Canada ($365), United Airlines ($367), and American Airlines ($594).

  • 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$535Average$883FlexibilityNo cancel feeOn-time70%
DeltaCheapest$550Average$794FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$600Average$968FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$670Average$1,110FlexibilityNo cancel feeOn-time71%

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