$547+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Oct 30 — Nov 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/1011:58 am -
1 stop16h 32m
Tue 11/176:00 am -
2 stops32h 30m
Deal found 9/27![United Airlines logo]()
$706
This United Airlines deal was found by Cheapflights users on 9/26. 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 11/46:20 am -
2 stops22h 10m
Wed 11/1112:35 pm -
2 stops25h 55m
Deal found 9/26![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/117:43 pm -
1 stop9h 37m
Wed 11/1811:20 am -
2 stops41h 27m
Deal found 9/27![United Airlines logo]()
$711
This Delta deal was found by Cheapflights users on 9/29. 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 11/45:00 pm -
2 stops17h 25m
Wed 11/115:00 am -
2 stops21h 33m
Deal found 9/29![Delta logo]()
$715
This Travelocity deal was found by Cheapflights users on 9/27. 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.
Wed 11/1110:54 am -
1 stop17h 11m
Wed 11/1811:05 am -
1 stop13h 46m
Deal found 9/27![British Airways logo]()
$726
This Travelocity deal was found by Cheapflights users on 9/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:40 am -
2 stops24h 00m
Mon 11/162:20 pm -
2 stops38h 27m
Deal found 9/25![Multiple Airlines logo]()
$734
This British Airways deal was found by Cheapflights users on 9/25. 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 11/94:01 pm -
1 stop12h 04m
Mon 11/166:35 pm -
2 stops44h 42m
Deal found 9/25![British Airways logo]()
$745
This Expedia deal was found by Cheapflights users on 9/28. 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.
Fri 11/138:11 am -
2 stops19h 49m
Fri 11/2011:30 am -
2 stops35h 44m
Deal found 9/28![KLM logo]()
$757
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/1211:58 am -
1 stop15h 12m
Thu 11/1910:55 am -
2 stops41h 52m
Deal found 9/28![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/257:43 pm -
1 stop10h 22m
Sat 11/75:00 am -
2 stops20h 58m
Deal found 9/27![United Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 9/26. 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.
Thu 11/512:54 pm -
2 stops21h 16m
Wed 11/115:00 am -
2 stops21h 33m
Deal found 9/26![Delta logo]()
$769
This Orbitz deal was found by Cheapflights users on 9/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:55 am -
2 stops23h 10m
Wed 11/1111:05 am -
1 stop13h 46m
Deal found 9/26![British Airways logo]()
$773
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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/1011:58 am -
1 stop16h 32m
Tue 11/176:00 am -
2 stops32h 30m
Deal found 9/27![United Airlines logo]()
$706
This United deal was found by Cheapflights users on 9/27. 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.
Wed 11/45:40 am -
1 stop22h 50m
Wed 11/1112:35 pm -
2 stops25h 55m
Deal found 9/27![Multiple Airlines logo]()
$711
This British Airways deal was found by Cheapflights users on 9/25. 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 11/94:01 pm -
1 stop12h 04m
Mon 11/166:35 pm -
2 stops44h 42m
Deal found 9/25![British Airways logo]()
$745
This Delta deal was found by Cheapflights users on 9/26. 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.
Thu 11/512:54 pm -
2 stops21h 16m
Wed 11/115:00 am -
2 stops21h 33m
Deal found 9/26![Delta logo]()
$769
This KLM deal was found by Cheapflights users on 9/27. 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.
Thu 11/55:00 pm -
2 stops34h 35m
Wed 11/116:00 pm -
2 stops31h 01m
Deal found 9/27![KLM logo]()
$958
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/46:20 am -
2 stops22h 10m
Wed 11/1112:35 pm -
2 stops25h 55m
Deal found 9/27![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 9/29. 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 1/57:47 pm -
2 stops30h 08m
Fri 2/510:55 am -
2 stops38h 51m
Deal found 9/29![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/116:20 am -
2 stops20h 50m
Wed 11/1811:20 am -
2 stops41h 27m
Deal found 9/27![United Airlines logo]()
$715
This American Airlines deal was found by Cheapflights users on 9/27. 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 11/107:41 pm -
2 stops34h 49m
Tue 11/1711:15 am -
3 stops39h 44m
Deal found 9/27![Multiple Airlines logo]()
$952
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/1211:58 am -
1 stop15h 12m
Thu 11/1910:55 am -
2 stops41h 52m
Deal found 9/28![United Airlines logo]()
$761
This Delta deal was found by Cheapflights users on 9/27. 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 10/145:00 pm -
2 stops20h 45m
Wed 10/215:00 am -
2 stops21h 27m
Deal found 9/27![Delta logo]()
$1,121
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/145:30 am -
1 stop23h 00m
Sat 11/216:00 am -
2 stops18h 01m
Deal found 9/30![United Airlines logo]()
$811
This KAYAK deal was found by Cheapflights users on 9/26. 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 11/511:58 am -
2 stops17h 22m
Wed 11/114:30 pm -
2 stops35h 30m
Deal found 9/26![Multiple Airlines logo]()
$1,133
This British Airways deal was found by Cheapflights users on 9/28. 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 12/64:00 pm -
1 stop12h 05m
Wed 12/911:05 am -
1 stop13h 37m
Deal found 9/28![British Airways logo]()
$1,263
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/2910:26 am -
1 stop19h 54m
Sat 11/75:00 am -
2 stops20h 58m
Deal found 9/26![United Airlines logo]()
$813
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/2011:30 am -
1 stop17h 15m
Tue 10/276:00 am -
2 stops31h 51m
Deal found 9/29![United Airlines logo]()
$990
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/63:03 pm -
1 stop14h 02m
Wed 12/911:20 am -
2 stops41h 20m
Deal found 9/29![United Airlines logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/147:35 pm -
1 stop9h 55m
Wed 10/2110:25 am -
1 stop12h 46m
Deal found 9/27![United Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 9/27. 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 11/510:42 am -
3 stops18h 38m
Wed 11/116:05 am -
3 stops21h 55m
Deal found 9/27![United Airlines logo]()
$14,400
Last-minute flights from Greenville to PortugalDiscover last-minute flight deals from Greenville to Portugal. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portugal. Data last updated September 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/24:00 pm -
1 stop11h 20m
Sat 10/1010:25 am -
1 stop17h 48m
Deal found 9/30![United Airlines logo]()
$1,073
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/2011:30 am -
1 stop17h 15m
Tue 10/276:00 am -
2 stops31h 51m
Deal found 9/29![United Airlines logo]()
$990
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/257:43 pm -
1 stop10h 22m
Sat 11/75:00 am -
2 stops20h 58m
Deal found 9/27![United Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 9/27. 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 10/258:00 am -
1 stop21h 05m
Sat 11/710:40 am -
1 stop14h 11m
Deal found 9/27![American Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/2910:26 am -
1 stop19h 54m
Sat 11/75:00 am -
2 stops20h 58m
Deal found 9/26![United Airlines logo]()
$813
This British Airways deal was found by Cheapflights users on 9/29. 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 9/29![British Airways logo]()
$795
This United Airlines deal was found by Cheapflights users on 9/25. 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 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 11/912:25 pm -
2 stops39h 35m
Deal found 9/25![United Airlines logo]()
$800
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 30, 2026.
Search for one-way flight options from Greenville to Portugal. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This TravelUp deal was found by Cheapflights users on 9/27. 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.
Tue 12/157:48 pm -
1 stop9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Lufthansa logo]()
$547
This United Airlines deal was found by Cheapflights users on 9/27. 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 12/1510:27 am -
2 stops16h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Tue 12/1511:28 am -
3 stops37h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Fri 10/168:05 am -
3 stops48h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$1,969
This BusinessClass deal was found by Cheapflights users on 9/27. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:56 pm -
1 stop10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![British Airways logo]()
$8,073
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 30, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $706 (United Airlines) |
One-way from | $547 (TravelUp) |
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 30, 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
Quickest round-trip
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Tue 12/15
7:48 pm-10:05 am
1 stop9h 17m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$547
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Tue 12/15
10:27 am-8:10 am
2 stops16h 43m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$549
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Tue 12/15
11:28 am-5:55 am
3 stops37h 27m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$570
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Tue 11/10
11:58 am-9:30 am
1 stop16h 32m
Porto
Tue 11/17
6:00 am-9:30 am
2 stops32h 30m
$706
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Wed 11/4
6:20 am-9:30 am
2 stops22h 10m
Porto
Wed 11/11
12:35 pm-9:30 am
2 stops25h 55m
$710
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Wed 11/4
5:40 am-9:30 am
1 stop22h 50m
Porto
Wed 11/11
12:35 pm-9:30 am
2 stops25h 55m
$711
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Tue 1/5
7:47 pm-6:55 am
2 stops30h 08m
Lisbon Humberto Delgado
Fri 2/5
10:55 am-8:46 pm
2 stops38h 51m
$714
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Wed 11/11
6:20 am-8:10 am
2 stops20h 50m
Lisbon Humberto Delgado
Wed 11/18
11:20 am-11:47 pm
2 stops41h 27m
$715
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Mon 11/9
4:01 pm-9:05 am
1 stop12h 04m
Lisbon Humberto Delgado
Mon 11/16
6:35 pm-10:17 am
2 stops44h 42m
$745
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Thu 11/12
11:58 am-8:10 am
1 stop15h 12m
Lisbon Humberto Delgado
Thu 11/19
10:55 am-11:47 pm
2 stops41h 52m
$761
Showing 1-10 of 24 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-OPO
GSP-LIS
GSP-FAO
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-OPO
GSP-LIS
GSP-FAO
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 30, 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
Food
6.7
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Entertainment
7.1
Crew
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Greenville to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Greenville to Portugal by cabin class
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 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Greenville to Portugal flights
Consider these flights traveling from Greenville to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
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 30, 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% |