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Cheap flights from Greenville to Portugal from $436

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 10/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Greenville to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:21 am - 6:55 am
GSP
-
LIS
39h 34m
2 stops
United Airlines Logo
10:55 am - 5:00 pm
LIS
-
GSP
35h 05m
2 stops
$714United Airlines
Tue, Jan 5 - Fri, Feb 5
United Airlines Logo
5:41 pm - 6:55 am
GSP
-
LIS
32h 14m
2 stops
United Airlines Logo
10:55 am - 5:19 pm
LIS
-
GSP
35h 24m
2 stops
$714United Airlines
Tue, Jan 5 - Fri, Feb 5
United Airlines Logo
10:50 am - 6:55 am
GSP
-
LIS
39h 05m
2 stops
United Airlines Logo
10:55 am - 11:19 pm
LIS
-
GSP
41h 24m
2 stops
$714United Airlines
Tue, Jan 5 - Fri, Feb 5
British Airways Logo
10:36 am - 2:45 pm
GSP
-
LIS
23h 09m
2 stops
British Airways Logo
11:05 am - 8:59 pm
LIS
-
GSP
14h 54m
1 stop
$728British Airways
Tue, Jan 5 - Fri, Feb 5
British Airways Logo
7:55 am - 9:05 am
GSP
-
LIS
20h 10m
1 stop
British Airways Logo
11:05 am - 8:48 pm
LIS
-
GSP
14h 43m
1 stop
$730British Airways
Tue, Nov 24 - Fri, Dec 4
British Airways Logo
10:36 am - 9:05 am
GSP
-
LIS
17h 29m
1 stop
British Airways Logo
11:05 am - 8:59 pm
LIS
-
GSP
14h 54m
1 stop
$768British Airways
Tue, Jan 5 - Fri, Feb 5
American Airlines Logo
10:36 am - 9:05 am
GSP
-
LIS
17h 29m
1 stop
American Airlines Logo
11:05 am - 8:59 pm
LIS
-
GSP
14h 54m
1 stop
$815American Airlines
Tue, Jan 5 - Fri, Feb 5
American Airlines Logo
10:54 am - 9:05 am
GSP
-
LIS
17h 11m
1 stop
American Airlines Logo
11:05 am - 7:55 pm
LIS
-
GSP
13h 50m
1 stop
$831American Airlines
Fri, Nov 13 - Mon, Nov 16
KLM Logo
10:14 am - 10:30 am
GSP
-
OPO
19h 16m
2 stops
KLM Logo
5:00 am - 5:41 pm
OPO
-
GSP
17h 41m
2 stops
$921KLM
Mon, Dec 28 - Mon, Jan 11
Delta Logo
2:00 pm - 3:25 pm
GSP
-
OPO
20h 25m
2 stops
Delta Logo
5:00 am - 10:55 pm
OPO
-
GSP
22h 55m
2 stops
$947Delta
Wed, Sep 9 - Thu, Sep 17

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American Airlines flights from Greenville to Portugal

Our best American Airlines deals on Greenville to Portugal flight tickets
American Airlines
Jan 5
GSP10:36 amGreenville
17h 29m
1 stop
LIS9:05 amLisbon Humberto Delgado
Feb 5
LIS11:05 amLisbon Humberto Delgado
14h 54m
1 stop
GSP8:59 pmGreenville
$815
American Airlines
Nov 13
GSP10:54 amGreenville
17h 11m
1 stop
LIS9:05 amLisbon Humberto Delgado
Nov 16
LIS11:05 amLisbon Humberto Delgado
13h 50m
1 stop
GSP7:55 pmGreenville
$831
American Airlines
Dec 29
GSP5:39 amGreenville
22h 26m
1 stop
LIS9:05 amLisbon Humberto Delgado
Jan 6
LIS11:05 amLisbon Humberto Delgado
14h 54m
1 stop
GSP8:59 pmGreenville
$944

United Airlines flights from Greenville to Portugal

Our best United Airlines deals on Greenville to Portugal flight tickets
United Airlines
Jan 5
GSP10:21 amGreenville
39h 34m
2 stops
LIS6:55 amLisbon Humberto Delgado
Feb 5
LIS10:55 amLisbon Humberto Delgado
35h 05m
2 stops
GSP5:00 pmGreenville
$714
United Airlines
Nov 24
GSP6:30 amGreenville
20h 40m
2 stops
LIS8:10 amLisbon Humberto Delgado
Dec 4
LIS11:20 amLisbon Humberto Delgado
36h 30m
2 stops
GSP6:50 pmGreenville
$715
United Airlines
Nov 24
GSP5:50 amGreenville
21h 20m
1 stop
LIS8:10 amLisbon Humberto Delgado
Dec 4
LIS11:20 amLisbon Humberto Delgado
40h 59m
2 stops
GSP11:19 pmGreenville
$716

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 July 28, 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

Tue 1/5

10:21 am-6:55 am

2 stops39h 34m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-5:00 pm

2 stops35h 05m

$714

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 1/5

5:41 pm-6:55 am

2 stops32h 14m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-5:19 pm

2 stops35h 24m

$714

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 1/5

10:50 am-6:55 am

2 stops39h 05m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-11:19 pm

2 stops41h 24m

$714

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 1/5

10:36 am-2:45 pm

2 stops23h 09m

Lisbon Humberto Delgado

Fri 2/5

11:05 am-8:59 pm

1 stop14h 54m

$728

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 11/24

7:55 am-9:05 am

1 stop20h 10m

Lisbon Humberto Delgado

Fri 12/4

11:05 am-8:48 pm

1 stop14h 43m

$730

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 1/5

10:36 am-9:05 am

1 stop17h 29m

Lisbon Humberto Delgado

Fri 2/5

11:05 am-8:59 pm

1 stop14h 54m

$768

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 1/5

10:36 am-9:05 am

1 stop17h 29m

Lisbon Humberto Delgado

Fri 2/5

11:05 am-8:59 pm

1 stop14h 54m

$815
Quickest round-trip

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Fri 11/13

10:54 am-9:05 am

1 stop17h 11m

Lisbon Humberto Delgado

Mon 11/16

11:05 am-7:55 pm

1 stop13h 50m

$831

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 12/28

10:14 am-10:30 am

2 stops19h 16m

Porto

Mon 1/11

5:00 am-5:41 pm

2 stops17h 41m

$921

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Wed 9/9

2:00 pm-3:25 pm

2 stops20h 25m

Porto

Thu 9/17

5:00 am-10:55 pm

2 stops22h 55m

$947

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 April instead. Flights to Portugal in April, while not as cheap as those in February, still average around $837.

Can stopping save me money on Greenville to Portugal flights?

You could potentially save up to 47% 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

10h 45m

Direct flights

None
The fastest flight from Greenville to Portugal takes 10h 45m
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
American AirlinesPriceFrom $509Free CancellationRating
7.1
11,841 reviews
Search American Airlines flights
United AirlinesPriceFrom $559Free CancellationRating
7.4
10,046 reviews
Search United Airlines flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
8,128 reviews
Search British Airways 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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