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Cheap flights from Portland to Greenville from $152

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Greenville departing on 9/10. 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 Portland to Greenville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:17 am - 9:18 pmPDX  Portland-GSP Greenville
10h 01m1 stop Chicago O'Hare Intl
United Airlines Logo
6:30 am - 11:28 amGSP  Greenville-PDX Portland
7h 58m1 stop Chicago O'Hare Intl
$253United Airlines
Wed, Sep 9 - Tue, Sep 15
United Airlines Logo
10:47 am - 10:59 pmPDX  Portland-GSP Greenville
9h 12m1 stop Chicago O'Hare Intl
United Airlines Logo
4:29 pm - 9:13 pmGSP  Greenville-PDX Portland
7h 44m1 stop Denver Intl
$253United Airlines
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
11:08 pm - 11:03 amPDX  Portland-GSP Greenville
8h 55m1 stop Chicago O'Hare Intl
American Airlines Logo
5:24 pm - 11:23 pmGSP  Greenville-PDX Portland
8h 59m1 stop Dallas/Fort Worth
$253American Airlines
Wed, Sep 23 - Tue, Sep 29
Southwest Logo
11:30 pm - 12:30 pmPDX  Portland-GSP Greenville
10h 00m2 stops Chicago Midway Nashville Intl
Southwest Logo
5:30 pm - 11:15 pmGSP  Greenville-PDX Portland
8h 45m2 stops Nashville Intl Chicago Midway
$264Southwest
Wed, Sep 9 - Tue, Sep 15
American Airlines Logo
11:58 am - 10:17 pmPDX  Portland-GSP Greenville
7h 19m1 stop Dallas/Fort Worth
American Airlines Logo
1:11 pm - 7:36 pmGSP  Greenville-PDX Portland
9h 25m1 stop Chicago O'Hare Intl
$301American Airlines
Wed, Sep 2 - Wed, Sep 9
Delta Logo
9:45 pm - 9:31 amPDX  Portland-GSP Greenville
8h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:00 pm - 7:08 pmGSP  Greenville-PDX Portland
10h 08m1 stop Atlanta Hartsfield-Jackson
$365Delta
Thu, Dec 31 - Sat, Jan 9
Southwest Logo
11:30 pm - 12:25 pmPDX  Portland-GSP Greenville
9h 55m2 stops Chicago Midway Nashville Intl
Southwest Logo
8:40 am - 3:00 pmGSP  Greenville-PDX Portland
9h 20m1 stop Baltimore/Washington
$370Southwest
Tue, Sep 22 - Fri, Sep 25
Delta Logo
11:20 pm - 10:11 amPDX  Portland-GSP Greenville
7h 51m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:30 am - 10:45 amGSP  Greenville-PDX Portland
8h 15m1 stop Atlanta Hartsfield-Jackson
$628Delta
Fri, Nov 20 - Fri, Nov 27
Alaska Airlines Logo
9:30 pm - 11:05 amPDX  Portland-GSP Greenville
10h 35m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl
Alaska Airlines Logo
11:42 am - 9:51 pmGSP  Greenville-PDX Portland
13h 09m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl
$878Alaska Airlines
Fri, Nov 20 - Fri, Nov 27
Alaska Airlines Logo
9:30 pm - 11:05 amPDX  Portland-GSP Greenville
10h 35m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl
Alaska Airlines Logo
11:42 am - 9:51 pmGSP  Greenville-PDX Portland
13h 09m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl
$911Alaska Airlines
Fri, Nov 20 - Fri, Nov 27

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United Airlines flights from Portland to Greenville

Our best United Airlines deals on Portland to Greenville flight tickets
United Airlines
Sep 9
PDX8:17 amPortland
10h 01m
1 stop
GSP9:18 pmGreenville
Sep 15
GSP6:30 amGreenville
7h 58m
1 stop
PDX11:28 amPortland
$253
United Airlines
Oct 31
PDX9:00 amPortland
10h 59m
2 stops
GSP10:59 pmGreenville
Nov 4
GSP4:29 pmGreenville
7h 44m
1 stop
PDX9:13 pmPortland
$258
United Airlines
Sep 9
PDX11:02 pmPortland
7h 33m
1 stop
GSP9:35 amGreenville
Sep 15
GSP10:33 amGreenville
10h 36m
2 stops
PDX6:09 pmPortland
$310

Southwest flights from Portland to Greenville

Our best Southwest deals on Portland to Greenville flight tickets
Southwest
Sep 9
PDX11:30 pmPortland
10h 00m
2 stops
GSP12:30 pmGreenville
Sep 15
GSP5:30 pmGreenville
8h 45m
2 stops
PDX11:15 pmPortland
$264
Southwest
Sep 22
PDX11:30 pmPortland
9h 55m
2 stops
GSP12:25 pmGreenville
Sep 25
GSP8:40 amGreenville
9h 20m
1 stop
PDX3:00 pmPortland
$370
Southwest
Sep 5
PDX6:50 amPortland
9h 10m
2 stops
GSP7:00 pmGreenville
Sep 11
GSP8:40 amGreenville
9h 20m
1 stop
PDX3:00 pmPortland
$374

momondo 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Portland to Greenville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Wed 9/9

8:17 am-9:18 pm

1 stop10h 01m

Greenville

Tue 9/15

6:30 am-11:28 am

1 stop7h 58m

$253

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Sat 10/31

10:47 am-10:59 pm

1 stop9h 12m

Greenville

Wed 11/4

4:29 pm-9:13 pm

1 stop7h 44m

$253

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Wed 9/23

11:08 pm-11:03 am

1 stop8h 55m

Greenville

Tue 9/29

5:24 pm-11:23 pm

1 stop8h 59m

$253

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Wed 9/9

11:30 pm-12:30 pm

2 stops10h 00m

Greenville

Tue 9/15

5:30 pm-11:15 pm

2 stops8h 45m

$264

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Wed 9/2

11:58 am-10:17 pm

1 stop7h 19m

Greenville

Wed 9/9

1:11 pm-7:36 pm

1 stop9h 25m

$301

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Thu 12/31

9:45 pm-9:31 am

1 stop8h 46m

Greenville

Sat 1/9

12:00 pm-7:08 pm

1 stop10h 08m

$365

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Tue 9/22

11:30 pm-12:25 pm

2 stops9h 55m

Greenville

Fri 9/25

8:40 am-3:00 pm

1 stop9h 20m

$370
Quickest round-trip

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Fri 11/20

11:20 pm-10:11 am

1 stop7h 51m

Greenville

Fri 11/27

5:30 am-10:45 am

1 stop8h 15m

$628

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Fri 11/20

9:30 pm-11:05 am

2 stops10h 35m

Greenville

Fri 11/27

11:42 am-9:51 pm

2 stops13h 09m

$878

PortlandGreenville

PDX Portland - GSP Greenville

PDXGSP

Portland

Fri 11/20

9:30 pm-11:05 am

2 stops10h 35m

Greenville

Fri 11/27

11:42 am-9:51 pm

2 stops13h 09m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Greenville from

How to get the cheapest flight ticket from Portland to Greenville

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 typical price of a round-trip flight between Portland and Greenville?

Prices are currently low for flights on this route.

Typical prices usually range from $461 to $686.
The lowest price recently found on this route was $253.

What is the cheapest month to fly to Greenville?

The month of February is another great option to travel to Greenville, with average flight prices from Portland averaging around $390.

Can stopping save me money on Portland to Greenville flights?

You could potentially save up to 2% on your flight if you consider stops on a Portland to Greenville flight.

How have Portland to Greenville flight prices changed over time?

As of August 2026, prices for Portland to Greenville flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Greenville

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

Cheap Portland to Greenville (PDX to GSP) flight deals and tips

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

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from Portland to Greenville takes 7h 00m
There are no direct flights from Portland to Greenville. There are no popular flight routes from Portland to Greenville.
Search flight deals

Frequently asked questions about flying from Portland to Greenville

  • How far is Portland to Greenville by plane?

    A flight from Portland to Greenville will travel around 2221.9 mi. In terms of flight time, this usually takes a little over 7h 00m.

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

    Prices for flights from Portland Airport to Greenville Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Greenville Airport?

  • How old do you have to be to fly from Portland Airport to Greenville 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 Portland Airport to Greenville Airport.

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

    The required travel and health documents for your Greenville 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 Greenville Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Greenville?

Best airlines flying from Portland to Greenville

Compare and see reviews for airlines that fly from Portland to Greenville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $246Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
10,103 reviews
Search United Airlines flights
American AirlinesPriceFrom $362Free CancellationRating
7.1
11,902 reviews
Search American Airlines flights
SouthwestPriceFrom $415Free CancellationRating
8.0
4,221 reviews
Search Southwest flights

Traveling to a place near Greenville?

Book flights to Greenville if you plan to visit one of these locations
Anderson
Simpsonville
Greenwood
Greer
Seneca
Duncan

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Greenville. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Portland to Greenville 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 Portland to Greenville?

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 Greenville from Portland.

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

If you are simply researching potential flights to Greenville, momondo offers a useful price alert feature which will track prices for flights to Greenville from Portland and alert you when they change.

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