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Cheap flights from Greenville to Portugal from $483

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to Portugal departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Greenville to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:01 am - 9:05 am
GSP
-
LIS
17h 04m
1 stop
American Airlines Logo
6:35 am - 7:02 pm
LIS
-
GSP
17h 27m
2 stops
$765American Airlines
Mon, May 4 - Tue, May 12
United Airlines Logo
7:35 pm - 9:20 am
GSP
-
LIS
32h 45m
2 stops
United Airlines Logo
1:00 pm - 10:58 pm
LIS
-
GSP
38h 58m
2 stops
$766United Airlines
Mon, May 4 - Tue, May 12
British Airways Logo
11:01 am - 9:05 am
GSP
-
LIS
17h 04m
1 stop
British Airways Logo
11:05 am - 5:44 pm
LIS
-
GSP
11h 39m
1 stop
$801British Airways
Mon, May 4 - Tue, May 12
British Airways Logo
6:28 pm - 9:05 am
GSP
-
LIS
9h 37m
1 stop
British Airways Logo
11:05 am - 10:36 am
LIS
-
GSP
28h 31m
1 stop
$856British Airways
Thu, May 7 - Fri, May 15
British Airways Logo
6:28 pm - 9:05 am
GSP
-
LIS
9h 37m
1 stop
British Airways Logo
7:20 am - 10:36 am
LIS
-
GSP
32h 16m
2 stops
$879British Airways
Thu, May 7 - Fri, May 15
Delta Logo
10:55 am - 10:45 am
GSP
-
LIS
18h 50m
2 stops
Delta Logo
5:35 am - 10:35 pm
LIS
-
GSP
22h 00m
2 stops
$933Delta
Mon, Jul 6 - Tue, Jul 14
Delta Logo
10:55 am - 10:45 am
GSP
-
LIS
18h 50m
2 stops
Delta Logo
10:00 am - 10:35 pm
LIS
-
GSP
17h 35m
1 stop
$936Delta
Mon, Jul 6 - Tue, Jul 14
British Airways Logo
7:52 am - 9:05 am
GSP
-
LIS
20h 13m
1 stop
British Airways Logo
11:05 am - 5:50 pm
LIS
-
GSP
11h 45m
1 stop
$970British Airways
Sun, Jul 5 - Tue, Jul 14
Multiple Airlines Logo
7:35 pm - 10:45 pm
GSP
-
LIS
22h 10m
2 stops
Multiple Airlines Logo
11:25 am - 2:15 pm
LIS
-
GSP
31h 50m
2 stops
$972Multiple Airlines
Thu, May 7 - Fri, May 15
Lufthansa Logo
11:18 am - 9:45 am
GSP
-
OPO
17h 27m
1 stop
Lufthansa Logo
9:00 am - 11:34 pm
OPO
-
GSP
19h 34m
1 stop
$1,095Lufthansa
Sat, Jul 18 - Fri, Jul 24

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Lufthansa flights from Greenville to Portugal

Our best Lufthansa deals on Greenville to Portugal flight tickets
Lufthansa
Apr 21
GSP7:42 pmGreenville
22h 03m
2 stops
LIS10:45 pmLisbon Humberto Delgado
May 12
LIS10:25 amLisbon Humberto Delgado
17h 40m
1 stop
GSP11:05 pmGreenville
$919
Lufthansa
Jul 18
GSP11:18 amGreenville
17h 27m
1 stop
OPO9:45 amPorto
Jul 24
OPO9:00 amPorto
19h 34m
1 stop
GSP11:34 pmGreenville
$1,095
Lufthansa
Jul 17
GSP11:18 amGreenville
14h 37m
1 stop
OPO6:55 amPorto
Jul 25
OPO12:35 pmPorto
15h 59m
1 stop
GSP11:34 pmGreenville
$1,266

British Airways flights from Greenville to Portugal

Our best British Airways deals on Greenville to Portugal flight tickets
British Airways
May 4
GSP11:01 amGreenville
17h 04m
1 stop
LIS9:05 amLisbon Humberto Delgado
May 12
LIS11:05 amLisbon Humberto Delgado
11h 39m
1 stop
GSP5:44 pmGreenville
$801
British Airways
Apr 18
GSP11:01 amGreenville
17h 04m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 29
LIS11:05 amLisbon Humberto Delgado
13h 33m
1 stop
GSP7:38 pmGreenville
$808
British Airways
May 7
GSP6:28 pmGreenville
9h 37m
1 stop
LIS9:05 amLisbon Humberto Delgado
May 15
LIS11:05 amLisbon Humberto Delgado
28h 31m
1 stop
GSP10:36 amGreenville
$856

momondo 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, momondo users made 832,500 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Greenville to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 5/4

11:01 am-9:05 am

1 stop17h 04m

Lisbon Humberto Delgado

Tue 5/12

6:35 am-7:02 pm

2 stops17h 27m

$765

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 5/4

7:35 pm-9:20 am

2 stops32h 45m

Lisbon Humberto Delgado

Tue 5/12

1:00 pm-10:58 pm

2 stops38h 58m

$766
Quickest round-trip

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 5/4

11:01 am-9:05 am

1 stop17h 04m

Lisbon Humberto Delgado

Tue 5/12

11:05 am-5:44 pm

1 stop11h 39m

$801

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Thu 5/7

6:28 pm-9:05 am

1 stop9h 37m

Lisbon Humberto Delgado

Fri 5/15

11:05 am-10:36 am

1 stop28h 31m

$856

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Thu 5/7

6:28 pm-9:05 am

1 stop9h 37m

Lisbon Humberto Delgado

Fri 5/15

7:20 am-10:36 am

2 stops32h 16m

$879

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 7/6

10:55 am-10:45 am

2 stops18h 50m

Lisbon Humberto Delgado

Tue 7/14

5:35 am-10:35 pm

2 stops22h 00m

$933

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Mon 7/6

10:55 am-10:45 am

2 stops18h 50m

Lisbon Humberto Delgado

Tue 7/14

10:00 am-10:35 pm

1 stop17h 35m

$936

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sun 7/5

7:52 am-9:05 am

1 stop20h 13m

Lisbon Humberto Delgado

Tue 7/14

11:05 am-5:50 pm

1 stop11h 45m

$970

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Thu 5/7

7:35 pm-10:45 pm

2 stops22h 10m

Lisbon Humberto Delgado

Fri 5/15

11:25 am-2:15 pm

2 stops31h 50m

$972

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sat 7/18

11:18 am-9:45 am

1 stop17h 27m

Porto

Fri 7/24

9:00 am-11:34 pm

1 stop19h 34m

$1,095

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from Greenville to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Greenville is in February. Flight prices, which tend to average around $587, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Greenville during October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $652.

Can stopping save me money on Greenville to Portugal flights?

You could potentially save up to 48% on your flight if you consider stops on a Greenville to Portugal flight.

Cheap Greenville to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Portugal

Fastest flight time

9h 37m

Direct flights

None
The fastest flight from Greenville to Portugal takes 9h 37m
There are no direct flights from Greenville to Portugal. There are no popular flight routes from Greenville to Portugal.
Search flight deals

Frequently asked questions about flying from Greenville to Portugal

  • When did momondo last update prices for flights from Greenville Airport to Portugal?

    Prices for flights from Greenville Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from Greenville Airport to Portugal?

  • How old do you have to be to fly from Greenville Airport to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Greenville Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Greenville to Portugal

Compare and see reviews for airlines that fly from Greenville to Portugal with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $535Free CancellationRating
6.7
7,890 reviews
Search British Airways flights
United AirlinesPriceFrom $559Free CancellationRating
7.4
9,600 reviews
Search United Airlines flights
American AirlinesPriceFrom $587Free CancellationRating
7.1
11,591 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to Portugal?

It is quick and easy to find Greenville to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

Can I find flights from Greenville to Portugal with flexible booking policies on momondo?

Flights from Greenville to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Greenville to Portugal?

momondo provides multiple filters to help you find the best flight to Portugal from Greenville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Greenville to Portugal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Greenville to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Portugal

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