$348+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Sep 17 — Sep 241
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Greenville to Portugal
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Cheapest flights from Greenville to PortugalExplore 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 18, 2026.
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 18, 2026.
This Expedia deal was found by Cheapflights users on 8/14. 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.
Sat 10/247:35 pm -
2 stops36h 00m
Tue 11/35:00 am -
2 stops23h 00m
Deal found 8/14![Lufthansa logo]()
$733
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:45 pm -
1 stop10h 45m
Fri 12/116:00 am -
2 stops17h 50m
Deal found 8/17![United Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 12/68:45 am -
1 stop18h 25m
Wed 12/911:20 am -
2 stops38h 51m
Deal found 8/13![United Airlines logo]()
$746
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sun 12/65:45 pm -
1 stop10h 45m
Tue 12/812:35 pm -
1 stop15h 44m
Deal found 8/16![United Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 8/16. 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 12/1010:21 am -
1 stop18h 59m
Wed 12/235:00 am -
2 stops34h 08m
Deal found 8/16![United Airlines logo]()
$764
This Air France deal was found by Cheapflights users on 8/16. 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.
Wed 9/305:00 pm -
2 stops16h 55m
Wed 10/75:00 am -
2 stops18h 09m
Deal found 8/16![Multiple Airlines logo]()
$775
This British Airways deal was found by Cheapflights users on 8/16. 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.
Thu 12/104:01 pm -
1 stop12h 04m
Wed 12/2311:05 am -
1 stop28h 32m
Deal found 8/16![British Airways logo]()
$776
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:57 pm -
2 stops14h 58m
Tue 9/295:35 am -
2 stops22h 20m
Deal found 8/17![Delta logo]()
$787
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/711:58 am -
2 stops41h 07m
Sat 11/1412:25 pm -
2 stops33h 31m
Deal found 8/16![United Airlines logo]()
$789
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:15 am -
1 stop17h 50m
Tue 11/311:05 am -
1 stop13h 50m
Deal found 8/14![British Airways logo]()
$795
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/207:43 pm -
2 stops32h 47m
Mon 11/2312:35 pm -
2 stops49h 55m
Deal found 8/16![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/146:10 pm -
2 stops31h 05m
Tue 9/226:00 am -
2 stops18h 05m
Deal found 8/15![United Airlines logo]()
$932
Best flights from Greenville to PortugalDiscover carefully curated flight deals from Greenville to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Greenville to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This British Airways deal was found by Cheapflights users on 8/15. 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.
Tue 1/57:56 am -
2 stops23h 09m
Fri 2/511:05 am -
1 stop14h 54m
Deal found 8/15![British Airways logo]()
$729
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:45 pm -
1 stop10h 45m
Fri 12/116:00 am -
2 stops17h 50m
Deal found 8/17![United Airlines logo]()
$745
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:05 am -
2 stops19h 45m
Fri 10/95:00 am -
2 stops21h 27m
Deal found 8/18![Delta logo]()
$915
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
1 stop21h 10m
Wed 12/911:20 am -
2 stops38h 51m
Deal found 8/17![United Airlines logo]()
$752
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 12/65:45 pm -
1 stop10h 45m
Tue 12/812:35 pm -
1 stop15h 44m
Deal found 8/15![United Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/711:58 am -
2 stops41h 07m
Sat 11/1412:25 pm -
2 stops33h 31m
Deal found 8/16![United Airlines logo]()
$789
This British Airways deal was found by Cheapflights users on 8/16. 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.
Thu 12/177:56 am -
2 stops23h 09m
Sun 12/2711:05 am -
1 stop28h 32m
Deal found 8/16![British Airways logo]()
$1,047
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/207:43 pm -
2 stops32h 47m
Mon 11/2312:35 pm -
1 stop16h 12m
Deal found 8/16![United Airlines logo]()
$916
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:40 pm -
2 stops26h 25m
Thu 10/811:05 am -
1 stop13h 51m
Deal found 8/17![British Airways logo]()
$1,123
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/146:10 pm -
2 stops31h 05m
Tue 9/226:00 am -
2 stops18h 05m
Deal found 8/15![United Airlines logo]()
$932
This British Airways deal was found by Cheapflights users on 8/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:56 pm -
1 stop10h 09m
Tue 10/2011:05 am -
1 stop28h 39m
Deal found 8/14![British Airways logo]()
$1,162
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/25:46 pm -
2 stops33h 34m
Sat 10/105:05 am -
2 stops20h 53m
Deal found 8/16![United Airlines logo]()
$983
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:53 pm -
1 stop9h 52m
Thu 10/86:00 am -
2 stops18h 00m
Deal found 8/17![United Airlines logo]()
$1,074
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop21h 20m
Fri 10/97:25 am -
2 stops20h 48m
Deal found 8/18![United Airlines logo]()
$1,121
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/94:00 pm -
1 stop9h 55m
Thu 9/176:00 am -
2 stops22h 15m
Deal found 8/13![United Airlines logo]()
$1,155
Last-minute flights from Greenville to PortugalDiscover last-minute flight deals from Greenville to Portugal. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portugal. Data last updated August 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 9/912:00 pm -
1 stop16h 45m
Thu 9/176:00 am -
2 stops18h 45m
Deal found 8/14![United Airlines logo]()
$1,155
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/146:10 pm -
2 stops31h 05m
Tue 9/226:00 am -
2 stops18h 05m
Deal found 8/15![United Airlines logo]()
$932
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am -
1 stop21h 45m
Mon 9/287:20 pm -
2 stops43h 38m
Deal found 8/17![SWISS logo]()
$1,023
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/177:00 am -
1 stop18h 55m
Mon 9/286:00 am -
2 stops37h 16m
Deal found 8/16![United Airlines logo]()
$1,026
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:25 am -
2 stops19h 50m
Mon 9/287:20 pm -
2 stops43h 38m
Deal found 8/17![Multiple Airlines logo]()
$1,032
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:25 pm -
2 stops35h 30m
Fri 10/25:55 am -
2 stops21h 29m
Deal found 8/17![Delta logo]()
$954
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:25 pm -
2 stops35h 30m
Sun 10/44:25 pm -
2 stops34h 01m
Deal found 8/17![Delta logo]()
$1,027
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:57 pm -
2 stops14h 58m
Tue 9/295:35 am -
2 stops22h 20m
Deal found 8/17![Delta logo]()
$787
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:20 pm -
1 stop11h 45m
Tue 9/297:10 am -
2 stops16h 49m
Deal found 8/17![American Airlines logo]()
$919
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:25 pm -
2 stops16h 00m
Mon 10/55:00 am -
2 stops21h 26m
Deal found 8/14![Delta logo]()
$965
This Air France deal was found by Cheapflights users on 8/16. 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.
Wed 9/305:00 pm -
2 stops16h 55m
Wed 10/75:00 am -
2 stops18h 09m
Deal found 8/16![Multiple Airlines logo]()
$775
This SmartFares deal was found by Cheapflights users on 8/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:47 am -
1 stop20h 18m
Wed 10/711:05 am -
1 stop13h 51m
Deal found 8/16![British Airways logo]()
$1,018
One-way flights from Greenville to PortugalSearch for one-way flight options from Greenville to Portugal. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Greenville to Portugal. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:21 am -
2 stops18h 09m
Deal found 8/17![United Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:32 pm -
3 stops44h 13m
Deal found 8/14![Multiple Airlines logo]()
$443
This TravelUp deal was found by Cheapflights users on 8/14. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:46 pm -
2 stops23h 59m
Deal found 8/14![Lufthansa logo]()
$468
This Expedia deal was found by Cheapflights users on 8/14. 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.
Mon 10/58:00 am -
1 stop20h 05m
Deal found 8/14![British Airways logo]()
$576
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Sat 10/244:00 pm -
2 stops15h 05m
Deal found 8/15![Multiple Airlines logo]()
$6,006
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 August 18, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $710 (United Airlines) |
One-way from | $348 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $1,043 |
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 18, 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
Cheapest round-trip
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Tue 1/5
7:56 am-12:05 pm
2 stops23h 09m
Lisbon Humberto Delgado
Fri 2/5
11:05 am-8:59 pm
1 stop14h 54m
$729
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Mon 12/7
5:45 pm-9:30 am
1 stop10h 45m
Porto
Fri 12/11
6:00 am-6:50 pm
2 stops17h 50m
$745
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sun 12/6
6:00 am-8:10 am
1 stop21h 10m
Lisbon Humberto Delgado
Wed 12/9
11:20 am-9:11 pm
2 stops38h 51m
$752
Quickest round-trip
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Sun 12/6
5:45 pm-9:30 am
1 stop10h 45m
Porto
Tue 12/8
12:35 pm-11:19 pm
1 stop15h 44m
$754
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sat 11/7
11:58 am-10:05 am
2 stops41h 07m
Lisbon Humberto Delgado
Sat 11/14
12:25 pm-4:56 pm
2 stops33h 31m
$789
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Fri 10/2
8:05 am-8:50 am
2 stops19h 45m
Lisbon Humberto Delgado
Fri 10/9
5:00 am-9:27 pm
2 stops21h 27m
$915
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Fri 11/20
7:43 pm-9:30 am
2 stops32h 47m
Porto
Mon 11/23
12:35 pm-11:47 pm
1 stop16h 12m
$916
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Mon 9/14
6:10 pm-6:15 am
2 stops31h 05m
Porto
Tue 9/22
6:00 am-7:05 pm
2 stops18h 05m
$932
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Fri 10/2
5:46 pm-8:20 am
2 stops33h 34m
Lisbon Humberto Delgado
Sat 10/10
5:05 am-8:58 pm
2 stops20h 53m
$983
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Thu 12/17
7:56 am-12:05 pm
2 stops23h 09m
Lisbon Humberto Delgado
Sun 12/27
11:05 am-10:37 am
1 stop28h 32m
$1,047
Showing 1-10 of 19 resultsSorted by cheapest first
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.
GSP-LIS
GSP-OPO
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
GSP-PT0
GSP-LIS
GSP-OPO
No data available for this route at this time. Please check back soon.
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 18, 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.
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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Alternative routes for Greenville to Portugal
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Greenville and Portugal flights
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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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$509 | Average$1,405 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$559 | Average$1,167 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$624 | Average$1,091 | FlexibilityNo cancel fee | On-time70% |