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Portugal

$719+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Jul 26 — Aug 21
Sun 7/26
Sun 8/2
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 June 26, 2026.

This Air France deal was found by Cheapflights users on 6/25. 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.
Mon 11/93:42 pm
GSP
-
LIS
2 stops14h 38m
Multiple Airlines
Wed 11/1811:30 am
LIS
-
GSP
2 stops17h 07m
Multiple Airlines
Deal found 6/25$719
This British Airways deal was found by Cheapflights users on 6/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:00 am
GSP
-
LIS
2 stops27h 55m
British Airways
Wed 11/1811:05 am
LIS
-
GSP
1 stop14h 49m
British Airways
Deal found 6/25$723
This KLM deal was found by Cheapflights users on 6/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:25 pm
GSP
-
LIS
2 stops13h 35m
KLM
Fri 12/2511:30 am
LIS
-
GSP
2 stops17h 07m
KLM
Deal found 6/22$745
This United Airlines deal was found by Cheapflights users on 6/22. 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 12/72:54 pm
GSP
-
LIS
1 stop14h 26m
United Airlines
Thu 12/101:00 pm
LIS
-
GSP
2 stops33h 00m
United Airlines
Deal found 6/22$746
This Air Canada deal was found by Cheapflights users on 6/21. 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.
Mon 12/78:40 am
GSP
-
LIS
2 stops20h 10m
Air Canada
Thu 12/101:00 pm
LIS
-
GSP
2 stops33h 00m
Air Canada
Deal found 6/21$749
This Delta deal was found by Cheapflights users on 6/23. 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 11/211:10 am
GSP
-
OPO
2 stops18h 25m
Delta
Tue 11/175:00 am
OPO
-
GSP
2 stops20h 14m
Delta
Deal found 6/23$750
This Travelocity deal was found by Cheapflights users on 6/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:30 am
GSP
-
LIS
2 stops24h 35m
British Airways
Fri 12/2511:05 am
LIS
-
GSP
1 stop14h 34m
British Airways
Deal found 6/22$759
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 12/136:30 am
GSP
-
LIS
1 stop21h 35m
American Airlines
Fri 12/2511:05 am
LIS
-
GSP
1 stop14h 34m
American Airlines
Deal found 6/22$767
This United Airlines deal was found by Cheapflights users on 6/23. 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 11/27:47 pm
GSP
-
OPO
2 stops32h 43m
United Airlines
Tue 11/1712:35 pm
OPO
-
GSP
1 stop16h 02m
United Airlines
Deal found 6/23$769
This United Airlines deal was found by Cheapflights users on 6/22. 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 10/67:35 pm
GSP
-
LIS
1 stop9h 55m
United Airlines
Tue 10/275:00 am
LIS
-
GSP
2 stops21h 46m
United Airlines
Deal found 6/22$775
This KLM deal was found by Cheapflights users on 6/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:28 pm
GSP
-
OPO
2 stops16h 02m
KLM
Wed 8/265:00 am
OPO
-
GSP
2 stops18h 15m
KLM
Deal found 6/22$881
This KAYAK deal was found by Cheapflights users on 6/23. 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.
Mon 11/26:00 am
GSP
-
OPO
1 stop22h 30m
Lufthansa
Tue 11/1712:35 pm
OPO
-
GSP
1 stop16h 02m
Lufthansa
Deal found 6/23$886

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 June 26, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$719
(Air France)

Popular in

December

Cheapest in

February

Average price

$1,257
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
Highest demand for flights based on searches. 15% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 26, 2026.
Use the filters below to find and compare flights from Greenville to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 11/9

6:00 am-2:55 pm

2 stops27h 55m

Lisbon Humberto Delgado

Wed 11/18

11:05 am-8:54 pm

1 stop14h 49m

$723

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sun 12/13

2:25 pm-9:00 am

2 stops13h 35m

Lisbon Humberto Delgado

Fri 12/25

11:30 am-11:37 pm

2 stops17h 07m

$745

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 12/7

2:54 pm-10:20 am

1 stop14h 26m

Lisbon Humberto Delgado

Thu 12/10

1:00 pm-5:00 pm

2 stops33h 00m

$746

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 11/2

11:10 am-10:35 am

2 stops18h 25m

Porto

Tue 11/17

5:00 am-8:14 pm

2 stops20h 14m

$750

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 8/17

1:28 pm-10:30 am

2 stops16h 02m

Porto

Wed 8/26

5:00 am-6:15 pm

2 stops18h 15m

$881

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 8/17

7:00 am-6:55 am

1 stop18h 55m

Porto

Wed 8/26

11:20 am-10:37 am

2 stops28h 17m

$888

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 8/4

6:30 am-7:00 am

2 stops19h 30m

Porto

Wed 9/2

11:20 am-10:37 am

2 stops28h 17m

$891
Quickest round-trip

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 8/3

11:18 am-6:55 am

1 stop14h 37m

Porto

Wed 9/2

12:35 pm-7:45 pm

1 stop12h 10m

$908

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sun 8/2

10:30 am-10:30 am

1 stop19h 00m

Lisbon Humberto Delgado

Tue 8/18

10:25 am-9:36 am

2 stops28h 11m

$983

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sun 8/2

10:30 am-11:05 am

2 stops19h 35m

Lisbon Humberto Delgado

Fri 9/4

11:25 am-10:37 am

2 stops28h 12m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 22 resultsSorted by cheapest first
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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 $509). Flying from Greenville to Portugal in May is currently the most expensive (average of $1,204). 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.

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 June 26, 2026.
Read through reviews of airlines operating flights from Greenville to Portugal, such as United Airlines,American Airlines, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,889 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,889 reviews
United Airlines
7.4
Good
9,889 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,757 reviews
United Airlines
7.4
Good
9,889 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
British Airways
6.7
Okay
8,072 reviews
United Airlines
7.4
Good
9,889 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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, KLM, and United Airlines fly from Greenville to Portugal in about 13h 35m. The time it takes to get you to your destination can typically vary by up to 14h 20m. 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 $509). Flying from Greenville to Portugal in May is currently the most expensive (average of $1,204). 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

Browse thousands of different options on Cheapflights for your next trip

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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 June 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$509Average$1,139FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$510Average$1,167FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$624Average$1,043FlexibilityNo cancel feeOn-time70%

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