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Cheap flights from Greenville to Porto from $495

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to Porto departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Greenville to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:42 pm - 11:25 pm
GSP
-
OPO
22h 43m
2 stops
Lufthansa Logo
6:00 am - 10:45 pm
OPO
-
GSP
21h 45m
2 stops
$495Lufthansa
Tue, Apr 14 - Tue, Apr 28
Delta Logo
6:26 pm - 10:05 pm
GSP
-
OPO
22h 39m
2 stops
Delta Logo
6:15 am - 10:46 pm
OPO
-
GSP
21h 31m
2 stops
$500Delta
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
10:33 am - 9:20 am
GSP
-
OPO
41h 47m
2 stops
Multiple Airlines Logo
6:00 am - 10:45 pm
OPO
-
GSP
21h 45m
2 stops
$502Multiple Airlines
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
6:00 am - 7:40 am
GSP
-
OPO
20h 40m
2 stops
Multiple Airlines Logo
8:20 am - 11:03 pm
OPO
-
GSP
19h 43m
2 stops
$600Multiple Airlines
Tue, Apr 14 - Sun, Apr 19
American Airlines Logo
6:00 am - 7:40 am
GSP
-
OPO
20h 40m
2 stops
American Airlines Logo
8:20 am - 7:44 pm
OPO
-
GSP
16h 24m
2 stops
$601American Airlines
Tue, Apr 14 - Sun, Apr 19
American Airlines Logo
6:00 am - 7:40 am
GSP
-
OPO
20h 40m
2 stops
American Airlines Logo
8:20 am - 7:44 pm
OPO
-
GSP
16h 24m
2 stops
$647American Airlines
Tue, Apr 14 - Sun, Apr 19
Air Canada Logo
6:00 am - 7:00 am
GSP
-
OPO
20h 00m
2 stops
Air Canada Logo
12:15 pm - 11:56 am
OPO
-
GSP
28h 41m
2 stops
$687Air Canada
Tue, Aug 11 - Tue, Aug 25
United Airlines Logo
6:46 am - 7:00 am
GSP
-
OPO
19h 14m
2 stops
United Airlines Logo
12:15 pm - 11:56 am
OPO
-
GSP
28h 41m
2 stops
$702United Airlines
Tue, Aug 11 - Tue, Aug 25
Multiple Airlines Logo
10:21 am - 7:00 am
GSP
-
OPO
15h 39m
3 stops
Multiple Airlines Logo
12:15 pm - 11:56 am
OPO
-
GSP
28h 41m
2 stops
$710Multiple Airlines
Tue, Aug 11 - Tue, Aug 25
United Airlines Logo
6:46 am - 7:00 am
GSP
-
OPO
19h 14m
2 stops
United Airlines Logo
6:00 am - 9:49 am
OPO
-
GSP
32h 49m
2 stops
$751United Airlines
Wed, Aug 12 - Mon, Aug 24

American Airlines flights from Greenville to Porto

Our best American Airlines deals on Greenville to Porto flight tickets
American Airlines
Apr 14
GSP6:00 amGreenville
20h 40m
2 stops
OPO7:40 amPorto
Apr 19
OPO8:20 amPorto
16h 24m
2 stops
GSP7:44 pmGreenville
$601
American Airlines
Apr 14
GSP6:00 amGreenville
20h 40m
2 stops
OPO7:40 amPorto
Apr 19
OPO8:20 amPorto
16h 24m
2 stops
GSP7:44 pmGreenville
$647
American Airlines
Jul 6
GSP5:20 amGreenville
21h 20m
2 stops
OPO7:40 amPorto
Jul 20
OPO12:25 pmPorto
16h 32m
2 stops
GSP11:57 pmGreenville
$1,238

Lufthansa flights from Greenville to Porto

Our best Lufthansa deals on Greenville to Porto flight tickets
Lufthansa
Apr 14
GSP7:42 pmGreenville
22h 43m
2 stops
OPO11:25 pmPorto
Apr 28
OPO6:00 amPorto
21h 45m
2 stops
GSP10:45 pmGreenville
$495
Lufthansa
Feb 26
GSP12:05 pmGreenville
29h 20m
2 stops
OPO10:25 pmPorto
Mar 1
OPO6:15 amPorto
43h 26m
2 stops
GSP8:41 pmGreenville
$822
Lufthansa
Feb 26
GSP12:05 pmGreenville
16h 25m
1 stop
OPO9:30 amPorto
Mar 1
OPO6:00 amPorto
22h 59m
2 stops
GSP11:59 pmGreenville
$841

momondo Fare Finder

 
Customize your flight search to find flights from Greenville to Porto 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 February 14, 2026.
Use the filters below to find and compare flights from Greenville to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 4/14

7:42 pm-11:25 pm

2 stops22h 43m

Porto

Tue 4/28

6:00 am-10:45 pm

2 stops21h 45m

$495

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 4/14

6:26 pm-10:05 pm

2 stops22h 39m

Porto

Tue 4/28

6:15 am-10:46 pm

2 stops21h 31m

$500

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 4/14

10:33 am-9:20 am

2 stops41h 47m

Porto

Tue 4/28

6:00 am-10:45 pm

2 stops21h 45m

$502

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 4/14

6:00 am-7:40 am

2 stops20h 40m

Porto

Sun 4/19

8:20 am-11:03 pm

2 stops19h 43m

$600

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 4/14

6:00 am-7:40 am

2 stops20h 40m

Porto

Sun 4/19

8:20 am-7:44 pm

2 stops16h 24m

$601

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 4/14

6:00 am-7:40 am

2 stops20h 40m

Porto

Sun 4/19

8:20 am-7:44 pm

2 stops16h 24m

$647

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 8/11

6:00 am-7:00 am

2 stops20h 00m

Porto

Tue 8/25

12:15 pm-11:56 am

2 stops28h 41m

$687

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 8/11

6:46 am-7:00 am

2 stops19h 14m

Porto

Tue 8/25

12:15 pm-11:56 am

2 stops28h 41m

$702

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Tue 8/11

10:21 am-7:00 am

3 stops15h 39m

Porto

Tue 8/25

12:15 pm-11:56 am

2 stops28h 41m

$710

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Wed 8/12

6:46 am-7:00 am

2 stops19h 14m

Porto

Mon 8/24

6:00 am-9:49 am

2 stops32h 49m

$751

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto from

How to get the cheapest flight ticket from Greenville to Porto

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 airlines fly to Porto?

United Airlines, Iberia and American Airlines are the top three most popular airlines that fly to Porto from Greenville according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 5 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

When to book flights from Greenville to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Greenville to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Greenville to Porto (GSP to OPO) flight deals and tips

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

Fastest flight time

15h 35m

Direct flights

None
The fastest flight from Greenville to Porto takes 15h 35m
There are no direct flights from Greenville to Porto. There are no popular flight routes from Greenville to Porto.
Search flight deals

  • How far is Greenville to Porto by plane?

    The straight-line distance from Greenville to Porto is 3915.7 mi. Typically, this will take 15h 35m by plane in normal conditions.

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

    Prices for flights from Greenville Airport to Porto Airport were last updated today.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greenville Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Greenville to Porto. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Porto from Greenville on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto from Greenville.

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

Price alerts on flights to Porto from Greenville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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