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Portugal

$473+ Cheap flights from Greenville (GSP) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Greenville to Portugal

Keep the following information in mind while searching for Greenville to Portugal flight deals. Data was last updated June 12, 2025.

Round-trip from

$609
(United Airlines)

One-way from

$473
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$1,566
From Greenville to Portugal
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One-way flight from Greenville to Portugal
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Highest demand for flights based on searches. 28% potential increase in price ($379 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Greenville to Portugal

Cheapest flights from Greenville to Portugal
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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 10/252:46 pmGSP - LIS
2 stops38h 34mUnited Airlines
Wed 11/125:00 amLIS - GSP
2 stops20h 49mUnited Airlines
Deal found 6/12$609
This Ovago deal was found by Cheapflights users on 6/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:14 pmGSP - LIS
1 stop16h 01mBritish Airways
Mon 11/106:35 pmLIS - GSP
2 stops30h 58mBritish Airways
Deal found 6/12$631
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:05 pmGSP - LIS
2 stops19h 35mLufthansa
Mon 11/1012:30 pmLIS - GSP
2 stops40h 29mLufthansa
Deal found 6/10$641
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 11/139:10 amGSP - OPO
2 stops24h 35mUnited Airlines
Thu 11/2012:30 pmOPO - GSP
2 stops28h 26mUnited Airlines
Deal found 6/11$670
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/154:00 pmGSP - OPO
2 stops21h 10mDelta
Thu 8/219:20 amOPO - GSP
2 stops19h 39mDelta
Deal found 6/11$845
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:28 pmGSP - LIS
2 stops17h 07mDelta
Wed 12/315:30 amLIS - GSP
2 stops23h 15mDelta
Deal found 6/11$856
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:05 pmGSP - LIS
2 stops17h 15mMultiple Airlines
Mon 11/107:10 amLIS - GSP
3 stops21h 49mMultiple Airlines
Deal found 6/12$884
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1612:45 pmGSP - LIS
2 stops17h 20mAir Canada
Wed 7/2311:25 amLIS - GSP
2 stops31h 52mAir Canada
Deal found 6/12$903
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/124:10 pmGSP - LIS
2 stops11h 55mAmerican Airlines
Mon 7/2111:05 amLIS - GSP
1 stop14h 25mAmerican Airlines
Deal found 6/9$977
This Air France deal was found by Cheapflights users on 6/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:20 pmGSP - OPO
2 stops17h 10mMultiple Airlines
Thu 8/219:20 amOPO - GSP
2 stops16h 09mMultiple Airlines
Deal found 6/12$1,173
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:15 pmGSP - LIS
2 stops38h 40mScandinavian Airlines
Wed 12/317:00 pmLIS - GSP
2 stops33h 45mScandinavian Airlines
Deal found 6/12$1,280
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2112:30 pmGSP - LIS
2 stops29h 35mFinnair
Sat 9/276:35 amLIS - GSP
2 stops20h 55mFinnair
Deal found 6/11$1,284

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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Greenville to Portugal that are best for you.

Fly from

Greenville

Fly to

Portugal

Route

Depart

Return

Price

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sat 10/25

2:46 pm-10:20 am

2 stops38h 34m

Lisbon Humberto Delgado

Wed 11/12

5:00 am-8:49 pm

2 stops20h 49m

$609

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 10/28

1:14 pm-9:15 am

1 stop16h 01m

Lisbon Humberto Delgado

Mon 11/10

6:35 pm-8:33 pm

2 stops30h 58m

$631

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 10/28

12:05 pm-11:40 am

2 stops19h 35m

Lisbon Humberto Delgado

Mon 11/10

12:30 pm-11:59 pm

2 stops40h 29m

$641

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Thu 11/13

9:10 am-2:45 pm

2 stops24h 35m

Porto

Thu 11/20

12:30 pm-11:56 am

2 stops28h 26m

$670

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Fri 8/15

4:00 pm-6:10 pm

2 stops21h 10m

Porto

Thu 8/21

9:20 am-11:59 pm

2 stops19h 39m

$845

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Tue 10/28

12:05 pm-9:20 am

2 stops17h 15m

Lisbon Humberto Delgado

Mon 11/10

7:10 am-11:59 pm

3 stops21h 49m

$884

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Wed 7/16

12:45 pm-11:05 am

2 stops17h 20m

Lisbon Humberto Delgado

Wed 7/23

11:25 am-2:17 pm

2 stops31h 52m

$903

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sat 7/12

4:10 pm-9:05 am

2 stops11h 55m

Lisbon Humberto Delgado

Mon 7/21

11:05 am-8:30 pm

1 stop14h 25m

$977

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Sat 8/16

5:20 pm-3:30 pm

2 stops17h 10m

Porto

Thu 8/21

9:20 am-8:29 pm

2 stops16h 09m

$1,173

GreenvilleLisbon

GSP - LIS

GSPLIS

Greenville

Sun 9/21

12:30 pm-11:05 pm

2 stops29h 35m

Lisbon Humberto Delgado

Sat 9/27

6:35 am-10:30 pm

2 stops20h 55m

$1,284

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 18 results
1
2

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.
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

What is the cheapest month to book a flight from Greenville to Portugal?

Currently, January is the cheapest month in which you can book a flight from Greenville to Portugal (average of $612). Flying from Greenville to Portugal in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GSP to PT?

Find hourly flight availability from Greenville to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Greenville to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Greenville to Portugal to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What airport do you fly from for flights from Greenville to Portugal?

    Greenville (GSP), located 10.4 mi from the city center, is the airport you fly out of when you book flights from Greenville to Portugal.

  • What are the cheapest airlines to fly from Greenville to Portugal one-way?

    The cheapest airlines for a one-way flight from Greenville to Portugal are American Airlines ($473), Air Canada ($474), and Lufthansa ($535).

  • Can I find deals for flights from Greenville to Portugal that include hotel bookings?

    Yes. In addition to deals on Greenville to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Portugal.

  • Can I find deals for business class flights from Greenville to Portugal?

    Yes. Cheapflights offers flight deals from Greenville to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Greenville to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Greenville to Portugal (average of $612). Flying from Greenville to Portugal in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Greenville to Portugal

Discover the top 4 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$535Average$941FlexibilityNo cancel feeOn-time70%
DeltaCheapest$550Average$794FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$600Average$938FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$676Average$1,176FlexibilityNo cancel feeOn-time71%

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