What airlines fly to Portugal?

United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Portugal from Greenville according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Greenville to Portugal?

United Airlines is the most popular carrier operating 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?

There are 3 operators available for flights from Greenville Airport to Portugal as of September 2026.

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.

$494 Cheap Flights from Greenville to Portugal in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Greenville to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 8:00 amGSP Greenville-LIS Lisbon Humberto Delgado

15h 00m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

10:00 am - 9:21 pmLIS Lisbon Humberto Delgado-GSP Greenville

16h 21m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$572KLM

Sun, Jan 10 - Fri, Jan 29

11:05 am - 8:00 amGSP Greenville-LIS Lisbon Humberto Delgado

15h 55m1 stop New York LaGuardia

10:00 am - 10:16 pmLIS Lisbon Humberto Delgado-GSP Greenville

17h 16m1 stop New York John F Kennedy Intl

$582Delta

Mon, Feb 8 - Tue, Feb 23

11:05 am - 8:00 amGSP Greenville-LIS Lisbon Humberto Delgado

15h 55m1 stop New York LaGuardia

10:00 am - 10:16 pmLIS Lisbon Humberto Delgado-GSP Greenville

17h 16m1 stop New York John F Kennedy Intl

$582Delta

Mon, Feb 8 - Wed, Feb 24

12:15 pm - 8:10 amGSP Greenville-LIS Lisbon Humberto Delgado

14h 55m1 stop Newark

11:20 am - 11:19 pmLIS Lisbon Humberto Delgado-GSP Greenville

40h 59m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$712United Airlines

Sun, Jan 10 - Fri, Jan 29

11:58 am - 8:10 amGSP Greenville-LIS Lisbon Humberto Delgado

15h 12m1 stop Newark

5:00 am - 11:17 amLIS Lisbon Humberto Delgado-GSP Greenville

35h 17m2 stops Frankfurt am Main Newark

$714United Airlines

Mon, Nov 2 - Tue, Nov 10

2:54 pm - 6:55 amGSP Greenville-LIS Lisbon Humberto Delgado

35h 01m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

10:55 am - 11:19 pmLIS Lisbon Humberto Delgado-GSP Greenville

41h 24m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$715United Airlines

Tue, Jan 5 - Fri, Feb 5

7:56 am - 12:05 pmGSP Greenville-LIS Lisbon Humberto Delgado

23h 09m2 stops Philadelphia London Heathrow

11:05 am - 8:41 pmLIS Lisbon Humberto Delgado-GSP Greenville

14h 36m1 stop Philadelphia

$729British Airways

Tue, Jan 5 - Fri, Feb 5

7:56 am - 12:05 pmGSP Greenville-LIS Lisbon Humberto Delgado

23h 09m2 stops Philadelphia London Heathrow

11:05 am - 8:41 pmLIS Lisbon Humberto Delgado-GSP Greenville

14h 36m1 stop Philadelphia

$730British Airways

Tue, Jan 5 - Fri, Feb 5

4:03 pm - 9:05 amGSP Greenville-LIS Lisbon Humberto Delgado

12h 02m1 stop Philadelphia

11:05 am - 8:41 pmLIS Lisbon Humberto Delgado-GSP Greenville

14h 36m1 stop Philadelphia

$731American Airlines

Sun, Jan 10 - Fri, Jan 29

4:01 pm - 7:40 amGSP Greenville-LIS Lisbon Humberto Delgado

10h 39m1 stop Philadelphia

11:05 am - 10:55 pmLIS Lisbon Humberto Delgado-GSP Greenville

16h 50m2 stops Philadelphia Charlotte Douglas

$736American Airlines

Tue, Jan 5 - Fri, Feb 5

Cheap last minute flights

Enter your travel dates to find the best prices.

8:29 pm - 9:45 amGSP Greenville-OPO Porto

32h 16m1 stop Newark

7:20 pm - 9:58 amOPO Porto-GSP Greenville

43h 38m2 stops Zurich Chicago O'Hare Intl

$941SWISS

Thu, Sep 17 - Mon, Sep 28

8:29 pm - 9:45 amGSP Greenville-OPO Porto

32h 16m1 stop Newark

7:20 pm - 9:58 amOPO Porto-GSP Greenville

43h 38m2 stops Zurich Chicago O'Hare Intl

$961SWISS

Thu, Sep 17 - Mon, Sep 28

5:45 am - 8:30 amGSP Greenville-OPO Porto

21h 45m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 9:50 pmOPO Porto-GSP Greenville

21h 50m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$986Delta

Thu, Sep 17 - Mon, Sep 28

7:47 pm - 9:45 amGSP Greenville-OPO Porto

32h 58m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 1:33 pmOPO Porto-GSP Greenville

36h 33m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,011United Airlines

Thu, Sep 17 - Mon, Sep 28

5:45 am - 8:30 amGSP Greenville-OPO Porto

21h 45m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 9:50 pmOPO Porto-GSP Greenville

21h 50m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,056Delta

Thu, Sep 17 - Mon, Sep 28

4:00 pm - 9:45 amGSP Greenville-OPO Porto

12h 45m1 stop Newark

12:10 pm - 7:00 pmOPO Porto-GSP Greenville

35h 50m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,089United Airlines

Thu, Sep 17 - Mon, Sep 28

10:25 am - 9:45 amGSP Greenville-OPO Porto

18h 20m2 stops Washington, D.C. Dulles Intl Newark

12:10 pm - 7:00 pmOPO Porto-GSP Greenville

35h 50m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,093United Airlines

Thu, Sep 17 - Mon, Sep 28

4:00 pm - 6:55 amGSP Greenville-OPO Porto

9h 55m1 stop Newark

7:20 pm - 9:58 amOPO Porto-GSP Greenville

43h 38m2 stops Zurich Chicago O'Hare Intl

$1,125Multiple Airlines

Thu, Sep 17 - Mon, Sep 28

8:29 pm - 9:45 amGSP Greenville-OPO Porto

32h 16m1 stop Newark

7:20 pm - 9:58 amOPO Porto-GSP Greenville

43h 38m2 stops Zurich Chicago O'Hare Intl

$1,132SWISS

Thu, Sep 17 - Mon, Sep 28

8:05 am - 8:30 amGSP Greenville-OPO Porto

19h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 9:26 pmOPO Porto-GSP Greenville

21h 26m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,133Delta

Thu, Sep 17 - Mon, Sep 28

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United Airlines flights from Greenville to Portugal

Our best United Airlines deals on Greenville to Portugal flight tickets

United Airlines

Nov 2

GSP11:58 amGreenville

15h 12m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 10

LIS5:00 amLisbon Humberto Delgado

35h 17m

2 stops

GSP11:17 amGreenville

$714

United Airlines

Jan 5

GSP2:54 pmGreenville

35h 01m

2 stops

LIS6:55 amLisbon Humberto Delgado

Feb 5

LIS10:55 amLisbon Humberto Delgado

41h 24m

2 stops

GSP11:19 pmGreenville

$715

United Airlines

Feb 27

GSP2:54 pmGreenville

36h 16m

2 stops

LIS8:10 amLisbon Humberto Delgado

Mar 14

LIS10:40 amLisbon Humberto Delgado

55h 30m

2 stops

GSP2:10 pmGreenville

$716

Delta flights from Greenville to Portugal

Our best Delta deals on Greenville to Portugal flight tickets

Delta

Feb 8

GSP11:05 amGreenville

15h 55m

1 stop

LIS8:00 amLisbon Humberto Delgado

Feb 24

LIS10:00 amLisbon Humberto Delgado

17h 16m

1 stop

GSP10:16 pmGreenville

$582

Delta

Jan 5

GSP7:15 amGreenville

19h 45m

2 stops

LIS8:00 amLisbon Humberto Delgado

Feb 5

LIS10:00 amLisbon Humberto Delgado

16h 58m

2 stops

GSP9:58 pmGreenville

$586

Delta

Feb 9

GSP3:42 pmGreenville

20h 48m

2 stops

LIS5:30 pmLisbon Humberto Delgado

Feb 24

LIS10:00 amLisbon Humberto Delgado

18h 37m

2 stops

GSP11:37 pmGreenville

$606

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Sun 1/10

12:00 pm-8:00 am

2 stops15h 00m

Lisbon Humberto Delgado

Fri 1/29

10:00 am-9:21 pm

2 stops16h 21m

$572

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Mon 2/8

11:05 am-8:00 am

1 stop15h 55m

Lisbon Humberto Delgado

Tue 2/23

10:00 am-10:16 pm

1 stop17h 16m

$582

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Mon 2/8

11:05 am-8:00 am

1 stop15h 55m

Lisbon Humberto Delgado

Wed 2/24

10:00 am-10:16 pm

1 stop17h 16m

$582

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Sun 1/10

12:15 pm-8:10 am

1 stop14h 55m

Lisbon Humberto Delgado

Fri 1/29

11:20 am-11:19 pm

2 stops40h 59m

$712

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Mon 11/2

11:58 am-8:10 am

1 stop15h 12m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-11:17 am

2 stops35h 17m

$714

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Tue 1/5

2:54 pm-6:55 am

2 stops35h 01m

Lisbon Humberto Delgado

Fri 2/5

10:55 am-11:19 pm

2 stops41h 24m

$715

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Tue 1/5

7:56 am-12:05 pm

2 stops23h 09m

Lisbon Humberto Delgado

Fri 2/5

11:05 am-8:41 pm

1 stop14h 36m

$729

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Tue 1/5

7:56 am-12:05 pm

2 stops23h 09m

Lisbon Humberto Delgado

Fri 2/5

11:05 am-8:41 pm

1 stop14h 36m

$730

Quickest round-trip

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Sun 1/10

4:03 pm-9:05 am

1 stop12h 02m

Lisbon Humberto Delgado

Fri 1/29

11:05 am-8:41 pm

1 stop14h 36m

$731

GreenvilleLisbon

GSP Greenville - LIS Lisbon Humberto Delgado

GSPLIS

Greenville

Tue 1/5

4:01 pm-7:40 am

1 stop10h 39m

Lisbon Humberto Delgado

Fri 2/5

11:05 am-10:55 pm

2 stops16h 50m

$736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

Prices

Airlines

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 $0, 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 30% 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

Best Price Found	$494
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Portugal from Greenville in the past 72 hours is $494. The best round-trip flight deal from Greenville to Portugal found on momondo in the last 72 hours is $572.

The fastest flight from Greenville to Portugal takes 12h 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?
There are 3 operators available for flights from Greenville Airport to Portugal as of September 2026.
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 Airlines	PriceFrom $509	Free Cancellation	Rating 7.1 12,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $510	Free Cancellation	Rating 7.4 10,207 reviews	Search United Airlines flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 8,212 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.

An easier way to manage your Portugal trip

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Popular cities

Other flights from Greenville

Other flights to Portugal

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $471

Flights to Portofrom $539

Flights to Funchalfrom $589

Flights to Farofrom $576

Flights to Ponta Delgadafrom $558

Flights to Lajesfrom $566

Flights to Hortafrom $582

Flights to Pico Islandfrom $588

Flights to Porto Santofrom $756

Flights to Velasfrom $591

Cheap flights from Greenville to Portugal from $494

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 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Greenville to Portugal

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United Airlines flights from Greenville to Portugal

Our best United Airlines deals on Greenville to Portugal flight tickets

Delta flights from Greenville to Portugal

Our best Delta deals on Greenville to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Greenville to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Greenville to Portugal

What is the cheapest month to fly to Portugal?

Can stopping save me money on Greenville to Portugal flights?

What is the cheapest airline that flies from Greenville to Portugal?

What airlines fly to Portugal?

Cheap Greenville to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Greenville to Portugal

Best airlines flying from Greenville to Portugal

Compare and see reviews for airlines that fly from Greenville to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Greenville flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year