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$139+ Cheap flights from Portland to Greenville (PDX - GSP)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GSP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Greenville are usually found in February or August, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Portland to Greenville

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Greenville (GSP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$282
(Delta)

One-way from

$139
(Delta)

Popular in

December

Cheapest in

February

Average price

$604
From Portland to Greenville
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One-way flight from Portland to Greenville
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Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 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 Portland to Greenville

Cheapest flights from Portland to Greenville
Explore the most affordable flight options available from Portland to Greenville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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.
Wed 10/16:00 amPDX - GSP
2 stops11h 16mDelta
Sat 10/116:45 amGSP - PDX
1 stop7h 11mDelta
Deal found 6/11$282
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:30 amPDX - GSP
1 stop8h 33mAmerican Airlines
Tue 8/125:43 pmGSP - PDX
1 stop8h 16mAmerican Airlines
Deal found 6/11$298
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/812:12 pmPDX - GSP
2 stops29h 40mMultiple Airlines
Wed 7/169:42 pmGSP - PDX
3 stops38h 36mMultiple Airlines
Deal found 6/11$372
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:35 pmPDX - GSP
2 stops11h 20mSouthwest
Sat 10/43:35 pmGSP - PDX
2 stops9h 35mSouthwest
Deal found 6/9$381
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/811:59 pmPDX - GSP
1 stop9h 05mUnited Airlines
Tue 7/155:35 pmGSP - PDX
1 stop7h 54mUnited Airlines
Deal found 6/9$389

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Greenville 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 Portland to Greenville that are best for you.

Fly from

Portland

Fly to

Greenville

Route

Depart

Return

Price

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 10/1

6:00 am-8:16 pm

2 stops11h 16m

Greenville

Sat 10/11

6:45 am-10:56 am

1 stop7h 11m

$282

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Mon 8/4

5:30 am-5:03 pm

1 stop8h 33m

Greenville

Tue 8/12

5:43 pm-10:59 pm

1 stop8h 16m

$298

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 7/8

12:12 pm-8:52 pm

2 stops29h 40m

Greenville

Wed 7/16

9:42 pm-9:18 am

3 stops38h 36m

$372

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Thu 10/2

7:35 pm-9:55 am

2 stops11h 20m

Greenville

Sat 10/4

3:35 pm-10:10 pm

2 stops9h 35m

$381

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 7/8

11:59 pm-12:04 pm

1 stop9h 05m

Greenville

Tue 7/15

5:35 pm-10:29 pm

1 stop7h 54m

$389

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 12/6

10:55 pm-10:31 am

1 stop8h 36m

$139

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 9/2

11:07 pm-12:28 pm

1 stop10h 21m

$149

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 8/5

11:59 pm-2:17 pm

2 stops11h 18m

$154

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sun 7/27

5:45 am-3:15 pm

1 stop6h 30m

$224

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 6/24

12:12 pm-8:56 pm

2 stops29h 44m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
1
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Best time to book a flight from Portland to Greenville

Have a flexible travel schedule? Discover the best time to fly to Greenville from Portland 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 Portland to Greenville

How far ahead should I book a flight from Portland to Greenville?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Greenville. Price data was last updated on June 9, 2025.

The best time to book flights from Portland to Greenville is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Portland to Greenville (average of $329). Flying from Portland to Greenville in March is currently the most expensive (average of $386). 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 PDX to GSP?

Find hourly flight availability from Portland to Greenville. 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 Portland to Greenville, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 24% versus a flight in the afternoon.

Rainfall in Greenville by month

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

In terms of precipitation, rainfall in Greenville ranges from 3.6 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Greenville when rainfall is around 3.6 in.

Temperature in Greenville by month

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

If weather is an important factor for your trip to Greenville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Greenville

Get insights into the airlines that provide service to Greenville. 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 Greenville. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Portland to Greenville, such as Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Portland to Greenville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland to Greenville round-trip?

    Flying on Delta is currently your cheapest option to Greenville, with prices starting at $282. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $298 and $381, respectively. Delta is priced at 46% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $139 on Delta. Other airlines that offer cheap prices include American Airlines from $149 and United Airlines from $154 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Greenville 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 Portland to Greenville?

    Currently, January is the cheapest month in which you can book a flight from Portland to Greenville (average of $329). Flying from Portland to Greenville in March is currently the most expensive (average of $386). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Simpsonville
Duncan
Seneca
Anderson

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Top 5 airlines flying from Portland to Greenville

Discover the top 5 airlines that operate flights from Portland to Greenville. 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
DeltaCheapest$326Average$477FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$350Average$494FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$366Average$583FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$367Average$592FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$476Average$716FlexibilityNo cancel feeOn-time75%

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