$431+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Oct 20 — Oct 271
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
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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
Cheapest
Best
Last-minute
One-way
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 September 20, 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 September 20, 2026.
This KLM deal was found by Cheapflights users on 9/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:45 am -
2 stops16h 15m
Tue 11/105:00 am -
2 stops20h 01m
Deal found 9/19![KLM logo]()
$592
This Air France deal was found by Cheapflights users on 9/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:12 pm -
2 stops14h 48m
Mon 11/2311:15 am -
2 stops17h 23m
Deal found 9/17![Air France logo]()
$631
This Delta deal was found by Cheapflights users on 9/17. 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.
Sun 11/17:20 am -
2 stops19h 55m
Sun 11/85:55 am -
2 stops20h 32m
Deal found 9/17![Delta logo]()
$634
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:45 am -
2 stops17h 15m
Fri 11/65:30 am -
2 stops17h 39m
Deal found 9/15![Multiple Airlines logo]()
$643
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:37 pm -
2 stops26h 18m
Tue 11/36:00 am -
2 stops19h 58m
Deal found 9/15![Lufthansa logo]()
$702
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/3111:58 am -
1 stop17h 32m
Sat 11/76:00 am -
2 stops37h 16m
Deal found 9/16![United Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/3011:51 am -
1 stop16h 19m
Mon 11/95:00 am -
2 stops35h 17m
Deal found 9/16![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/26:20 am -
2 stops36h 10m
Mon 11/95:00 am -
2 stops23h 00m
Deal found 9/17![United Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/162:51 pm -
1 stop14h 29m
Mon 11/2311:55 am -
1 stop31h 21m
Deal found 9/17![United Airlines logo]()
$726
This Ovago deal was found by Cheapflights users on 9/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:58 am -
1 stop15h 12m
Sun 11/85:00 am -
2 stops33h 30m
Deal found 9/16![Lufthansa logo]()
$734
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/111:58 am -
1 stop16h 32m
Sun 11/86:00 am -
2 stops32h 30m
Deal found 9/17![United Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/285:50 am -
1 stop23h 40m
Tue 11/36:00 am -
2 stops19h 58m
Deal found 9/15![United Airlines logo]()
$809
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 September 20, 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 September 20, 2026.
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:37 pm -
2 stops26h 18m
Tue 11/36:00 am -
2 stops19h 58m
Deal found 9/15![Lufthansa logo]()
$702
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/3111:58 am -
1 stop17h 32m
Sat 11/76:00 am -
2 stops37h 16m
Deal found 9/16![United Airlines logo]()
$706
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:58 am -
1 stop17h 32m
Sat 11/76:00 am -
2 stops19h 58m
Deal found 9/16![Multiple Airlines logo]()
$706
This British Airways deal was found by Cheapflights users on 9/16. 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.
Tue 1/57:56 am -
2 stops23h 09m
Fri 2/511:05 am -
1 stop14h 36m
Deal found 9/16![British Airways logo]()
$751
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/307:43 pm -
2 stops32h 27m
Mon 11/95:00 am -
2 stops23h 00m
Deal found 9/15![United Airlines logo]()
$719
This British Airways deal was found by Cheapflights users on 9/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:32 am -
1 stop18h 33m
Mon 11/96:35 pm -
2 stops44h 42m
Deal found 9/19![British Airways logo]()
$796
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/26:20 am -
2 stops36h 10m
Mon 11/910:15 am -
1 stop17h 45m
Deal found 9/17![United Airlines logo]()
$734
This British Airways deal was found by Cheapflights users on 9/16. 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.
Sun 11/17:55 am -
1 stop20h 10m
Sat 11/76:45 pm -
2 stops44h 32m
Deal found 9/16![British Airways logo]()
$824
This United Airlines deal was found by Cheapflights users on 9/17. 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 1/186:30 am -
2 stops28h 00m
Fri 1/226:00 am -
3 stops46h 19m
Deal found 9/17![United Airlines logo]()
$768
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/285:50 am -
1 stop23h 40m
Tue 11/36:00 am -
2 stops19h 58m
Deal found 9/15![United Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/25:46 pm -
2 stops35h 49m
Sat 10/1012:20 pm -
2 stops26h 38m
Deal found 9/15![United Airlines logo]()
$973
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sun 12/66:25 am -
1 stop20h 45m
Wed 12/911:20 am -
2 stops34h 33m
Deal found 9/19![United Airlines logo]()
$1,002
Last-minute flights from Greenville to PortugalDiscover last-minute flight deals from Greenville to Portugal. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portugal. Data last updated September 20, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:00 pm -
1 stop12h 45m
Sat 10/34:50 pm -
2 stops29h 15m
Deal found 9/15![Multiple Airlines logo]()
$1,306
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 9/186:20 am -
2 stops19h 30m
Sat 10/36:00 am -
2 stops18h 00m
Deal found 9/15![United Airlines logo]()
$1,361
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:33 am -
3 stops15h 37m
Sat 10/310:00 am -
3 stops18h 13m
Deal found 9/15![Air Canada logo]()
$3,851
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:45 am -
2 stops17h 15m
Fri 11/65:30 am -
2 stops17h 39m
Deal found 9/15![Multiple Airlines logo]()
$643
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:00 pm -
1 stop12h 10m
Fri 11/610:15 am -
1 stop17h 53m
Deal found 9/15![Lufthansa logo]()
$746
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:37 pm -
2 stops26h 18m
Tue 11/36:00 am -
2 stops19h 58m
Deal found 9/15![Lufthansa logo]()
$702
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/285:50 am -
1 stop23h 40m
Tue 11/36:00 am -
2 stops19h 58m
Deal found 9/15![United Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/3011:51 am -
1 stop16h 19m
Mon 11/95:00 am -
2 stops35h 17m
Deal found 9/16![United Airlines logo]()
$714
This KAYAK deal was found by Cheapflights users on 9/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:50 am -
1 stop22h 20m
Mon 11/910:15 am -
1 stop17h 45m
Deal found 9/18![Lufthansa logo]()
$751
This British Airways deal was found by Cheapflights users on 9/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:32 am -
1 stop18h 33m
Mon 11/96:35 pm -
2 stops44h 42m
Deal found 9/19![British Airways logo]()
$796
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/3111:58 am -
1 stop17h 32m
Sat 11/76:00 am -
2 stops37h 16m
Deal found 9/16![United Airlines logo]()
$706
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:58 am -
1 stop17h 32m
Sat 11/712:35 pm -
1 stop15h 25m
Deal found 9/16![Lufthansa logo]()
$1,110
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 September 20, 2026.
Search for one-way flight options from Greenville to Portugal. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:24 pm -
3 stops32h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$431
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:51 pm -
2 stops37h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air Canada logo]()
$479
This TravelUp deal was found by Cheapflights users on 9/17. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:35 pm -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Lufthansa logo]()
$511
This Delta deal was found by Cheapflights users on 9/18. 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.
Wed 10/148:05 am -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$518
This TravelUp deal was found by Cheapflights users on 9/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:35 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Lufthansa logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:05 am -
3 stops32h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$546
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 September 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $586 (Delta) |
One-way from | $431 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,194 |
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 7,457,451 searches. Data last updated September 20, 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
Wed 10/14
8:24 pm-9:35 am
3 stops32h 11m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$431
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sat 10/17
2:51 pm-9:20 am
2 stops37h 29m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$479
Quickest round-trip
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sat 10/17
7:35 pm-10:35 am
1 stop10h 00m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$511
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Wed 10/14
8:05 am-10:55 am
2 stops21h 50m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$518
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sat 10/17
8:05 am-9:35 pm
3 stops32h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$546
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Wed 10/28
5:37 pm-11:55 pm
2 stops26h 18m
Porto
Tue 11/3
6:00 am-8:58 pm
2 stops19h 58m
$702
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Sat 10/31
11:58 am-9:30 am
1 stop17h 32m
Porto
Sat 11/7
6:00 am-2:16 pm
2 stops37h 16m
$706
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Sat 10/31
11:58 am-9:30 am
1 stop17h 32m
Porto
Sat 11/7
6:00 am-8:58 pm
2 stops19h 58m
$706
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Fri 10/30
7:43 pm-8:10 am
2 stops32h 27m
Lisbon Humberto Delgado
Mon 11/9
5:00 am-11:00 pm
2 stops23h 00m
$719
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Mon 11/2
6:20 am-11:30 pm
2 stops36h 10m
Lisbon Humberto Delgado
Mon 11/9
10:15 am-11:00 pm
1 stop17h 45m
$734
Showing 1-10 of 17 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 September 20, 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.
Overall
7.4
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Crew
8.1
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Alternative routes for Greenville to Portugal
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Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Greenville to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Greenville and Portugal flights
Browse other Greenville and Portugal flight options. Last updated on September 20, 2026.
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Greenville to 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 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$509 | Average$1,405 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$510 | Average$1,103 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$624 | Average$1,091 | FlexibilityNo cancel fee | On-time70% |