$735+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Nov 14 — Nov 211
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
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 October 15, 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 October 15, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/1111:58 am -
1 stop15h 12m
Wed 11/185:00 am -
2 stops33h 30m
Deal found 10/14![United Airlines logo]()
$736
This Expedia deal was found by Cheapflights users on 10/14. 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.
Wed 11/1110:54 am -
1 stop17h 11m
Wed 11/1811:05 am -
1 stop13h 46m
Deal found 10/14![British Airways logo]()
$749
This Expedia deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:06 pm -
2 stops14h 39m
Wed 12/28:40 pm -
2 stops28h 02m
Deal found 10/11![Multiple Airlines logo]()
$760
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:58 am -
1 stop16h 32m
Wed 12/212:35 pm -
2 stops40h 05m
Deal found 10/11![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Fri 11/2710:27 am -
1 stop18h 53m
Fri 12/411:20 am -
2 stops41h 20m
Deal found 10/13![United Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/266:20 am -
2 stops22h 10m
Thu 12/36:00 am -
2 stops22h 40m
Deal found 10/12![United Airlines logo]()
$783
This FlightHub deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:26 am -
2 stops42h 29m
Mon 11/92:20 pm -
2 stops37h 40m
Deal found 10/10![Multiple Airlines logo]()
$868
This British Airways deal was found by Cheapflights users on 10/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:57 pm -
1 stop13h 08m
Mon 11/93:45 pm -
2 stops32h 43m
Deal found 10/13![British Airways logo]()
$869
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 10/306:20 am -
2 stops24h 00m
Mon 11/95:00 am -
2 stops20h 58m
Deal found 10/14![United Airlines logo]()
$891
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:15 pm -
1 stop16h 15m
Fri 12/116:00 am -
3 stops46h 40m
Deal found 10/11![United Airlines logo]()
$1,077
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:43 pm -
2 stops18h 52m
Tue 11/179:25 am -
2 stops42h 22m
Deal found 10/10![Lufthansa logo]()
$1,345
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:43 pm -
2 stops24h 02m
Wed 11/116:30 am -
2 stops16h 31m
Deal found 10/10![Lufthansa logo]()
$1,588
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 October 15, 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 October 15, 2026.
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:40 am -
2 stops23h 45m
Fri 1/226:00 am -
2 stops18h 07m
Deal found 10/10![United Airlines logo]()
$735
This British Airways deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/58:00 am -
1 stop20h 05m
Fri 2/511:05 am -
1 stop14h 41m
Deal found 10/10![British Airways logo]()
$754
This Delta deal was found by Cheapflights users on 10/14. 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.
Tue 10/276:57 pm -
2 stops18h 33m
Sat 10/315:30 am -
2 stops17h 39m
Deal found 10/14![Delta logo]()
$1,047
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:43 pm -
2 stops18h 52m
Tue 11/179:25 am -
2 stops42h 22m
Deal found 10/10![Lufthansa logo]()
$1,345
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/265:40 am -
1 stop22h 50m
Thu 12/36:00 am -
2 stops22h 40m
Deal found 10/12![United Airlines logo]()
$785
This KAYAK deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:40 am -
2 stops32h 55m
Thu 11/59:35 am -
2 stops41h 33m
Deal found 10/11![TAP AIR PORTUGAL logo]()
$1,605
This British Airways deal was found by Cheapflights users on 10/12. 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.
Sat 2/277:58 am -
1 stop20h 07m
Mon 3/1512:55 pm -
2 stops49h 31m
Deal found 10/12![British Airways logo]()
$838
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:58 am -
1 stop16h 32m
Wed 12/212:35 pm -
1 stop16h 05m
Deal found 10/11![United Airlines logo]()
$803
This British Airways deal was found by Cheapflights users on 10/14. 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.
Sat 3/1310:59 am -
2 stops20h 06m
Sun 3/2112:55 pm -
2 stops49h 31m
Deal found 10/14![British Airways logo]()
$907
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:43 pm -
3 stops24h 02m
Thu 11/55:50 pm -
3 stops31h 08m
Deal found 10/11![Multiple Airlines logo]()
$2,104
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:15 pm -
1 stop16h 15m
Fri 12/116:00 am -
3 stops46h 40m
Deal found 10/11![United Airlines logo]()
$1,077
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:15 pm -
1 stop14h 55m
Wed 12/911:20 am -
2 stops41h 20m
Deal found 10/10![United Airlines logo]()
$1,084
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:43 pm -
2 stops24h 02m
Wed 11/116:30 am -
2 stops16h 31m
Deal found 10/10![Lufthansa logo]()
$1,588
Last-minute flights from Greenville to PortugalDiscover last-minute flight deals from Greenville to Portugal. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Portugal. Data last updated October 15, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:26 am -
2 stops42h 29m
Mon 11/92:20 pm -
2 stops37h 40m
Deal found 10/10![Multiple Airlines logo]()
$868
This British Airways deal was found by Cheapflights users on 10/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:57 pm -
1 stop13h 08m
Mon 11/93:45 pm -
2 stops32h 43m
Deal found 10/13![British Airways logo]()
$869
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 10/306:20 am -
2 stops24h 00m
Mon 11/95:00 am -
2 stops20h 58m
Deal found 10/14![United Airlines logo]()
$891
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:43 pm -
2 stops24h 02m
Mon 11/99:30 am -
2 stops41h 30m
Deal found 10/10![Lufthansa logo]()
$1,595
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:43 pm -
2 stops24h 02m
Wed 11/116:30 am -
2 stops16h 31m
Deal found 10/10![Lufthansa logo]()
$1,588
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/1111:58 am -
1 stop15h 12m
Wed 11/185:00 am -
2 stops33h 30m
Deal found 10/14![United Airlines logo]()
$736
This Expedia deal was found by Cheapflights users on 10/14. 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.
Wed 11/1110:54 am -
1 stop17h 11m
Wed 11/1811:05 am -
1 stop13h 46m
Deal found 10/14![British Airways logo]()
$749
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:43 pm -
2 stops18h 52m
Tue 11/179:25 am -
2 stops42h 22m
Deal found 10/10![Lufthansa logo]()
$1,345
This Expedia deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:06 pm -
2 stops14h 39m
Wed 12/28:40 pm -
2 stops28h 02m
Deal found 10/11![Multiple Airlines logo]()
$760
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:58 am -
1 stop16h 32m
Wed 12/212:35 pm -
2 stops40h 05m
Deal found 10/11![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/266:20 am -
2 stops22h 10m
Thu 12/36:00 am -
2 stops22h 40m
Deal found 10/12![United Airlines logo]()
$783
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Fri 11/2710:27 am -
1 stop18h 53m
Fri 12/411:20 am -
2 stops41h 20m
Deal found 10/13![United Airlines logo]()
$779
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 October 15, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $735 (United Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $1,067 |
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 October 15, 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
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Mon 1/18
10:40 am-3:25 pm
2 stops23h 45m
Porto
Fri 1/22
6:00 am-7:07 pm
2 stops18h 07m
$735
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Tue 1/5
8:00 am-9:05 am
1 stop20h 05m
Lisbon Humberto Delgado
Fri 2/5
11:05 am-8:46 pm
1 stop14h 41m
$754
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Thu 11/26
5:40 am-9:30 am
1 stop22h 50m
Porto
Thu 12/3
6:00 am-11:40 pm
2 stops22h 40m
$785
Quickest round-trip
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Wed 11/25
11:58 am-9:30 am
1 stop16h 32m
Porto
Wed 12/2
12:35 pm-11:40 pm
1 stop16h 05m
$803
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sat 2/27
7:58 am-9:05 am
1 stop20h 07m
Lisbon Humberto Delgado
Mon 3/15
12:55 pm-10:26 am
2 stops49h 31m
$838
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sat 3/13
10:59 am-12:05 pm
2 stops20h 06m
Lisbon Humberto Delgado
Sun 3/21
12:55 pm-10:26 am
2 stops49h 31m
$907
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Tue 10/27
6:57 pm-5:30 pm
2 stops18h 33m
Lisbon Humberto Delgado
Sat 10/31
5:30 am-7:09 pm
2 stops17h 39m
$1,047
GreenvillePorto
GSP Greenville - OPO Porto
GSPOPO
Greenville
Mon 12/7
12:15 pm-9:30 am
1 stop16h 15m
Porto
Fri 12/11
6:00 am-11:40 pm
3 stops46h 40m
$1,077
GreenvilleLisbon
GSP Greenville - LIS Lisbon Humberto Delgado
GSPLIS
Greenville
Sun 12/6
12:15 pm-8:10 am
1 stop14h 55m
Lisbon Humberto Delgado
Wed 12/9
11:20 am-11:40 pm
2 stops41h 20m
$1,084
GreenvillePonta Delgada
GSP Greenville - PDL Ponta Delgada Nordela
GSPPDL
Greenville
Wed 11/11
7:43 pm-6:35 pm
2 stops18h 52m
Ponta Delgada Nordela
Tue 11/17
9:25 am-11:47 pm
2 stops42h 22m
$1,345
Showing 1-10 of 13 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
GSP-PDL
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
GSP-PDL
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 October 15, 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.
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
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 October 15, 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 October 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$509 | Average$1,405 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$510 | Average$1,043 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$624 | Average$1,091 | FlexibilityNo cancel fee | On-time70% |