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Cheap flights from Portland to Greenville from $166

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 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
11:30 pm - 9:55 am
PDX
-
GSP
7h 25m
1 stop
United Airlines Logo
6:10 am - 11:38 am
GSP
-
PDX
8h 28m
1 stop
$363United Airlines
Tue, Jul 21 - Tue, Jul 28
United Airlines Logo
5:00 am - 3:14 pm
PDX
-
GSP
7h 14m
1 stop
United Airlines Logo
3:01 pm - 10:52 pm
GSP
-
PDX
10h 51m
2 stops
$368United Airlines
Wed, Sep 9 - Tue, Sep 15
Southwest Logo
7:05 am - 8:55 pm
PDX
-
GSP
10h 50m
2 stops
Southwest Logo
5:30 pm - 11:10 pm
GSP
-
PDX
8h 40m
2 stops
$373Southwest
Wed, Sep 9 - Tue, Sep 15
Delta Logo
11:20 pm - 10:15 am
PDX
-
GSP
7h 55m
1 stop
Delta Logo
5:46 am - 10:27 am
GSP
-
PDX
7h 41m
1 stop
$381Delta
Thu, Aug 20 - Mon, Aug 24
United Airlines Logo
10:43 am - 8:58 pm
PDX
-
GSP
7h 15m
1 stop
United Airlines Logo
2:16 pm - 9:10 pm
GSP
-
PDX
9h 54m
2 stops
$392United Airlines
Sat, Oct 10 - Sat, Oct 17
Southwest Logo
11:30 pm - 12:25 pm
PDX
-
GSP
9h 55m
2 stops
Southwest Logo
5:30 pm - 11:10 pm
GSP
-
PDX
8h 40m
2 stops
$401Southwest
Tue, Aug 4 - Tue, Aug 18
American Airlines Logo
5:18 am - 4:38 pm
PDX
-
GSP
8h 20m
1 stop
American Airlines Logo
1:37 pm - 7:48 pm
GSP
-
PDX
9h 11m
1 stop
$410American Airlines
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
11:30 pm - 12:40 pm
PDX
-
GSP
10h 10m
2 stops
Southwest Logo
12:55 pm - 8:15 pm
GSP
-
PDX
10h 20m
2 stops
$412Southwest
Sat, Aug 15 - Sat, Aug 22
Delta Logo
10:55 pm - 9:18 am
PDX
-
GSP
7h 23m
1 stop
Delta Logo
6:00 am - 10:27 am
GSP
-
PDX
7h 27m
1 stop
$415Delta
Tue, Sep 1 - Mon, Sep 7
Southwest Logo
6:25 pm - 10:00 am
PDX
-
GSP
12h 35m
2 stops
Southwest Logo
7:00 am - 1:00 pm
GSP
-
PDX
9h 00m
2 stops
$417Southwest
Sat, Oct 10 - Sat, Oct 17

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American Airlines flights from Portland to Greenville

Our best American Airlines deals on Portland to Greenville flight tickets
American Airlines
Aug 20
PDX5:18 amPortland
8h 20m
1 stop
GSP4:38 pmGreenville
Aug 24
GSP5:28 pmGreenville
8h 41m
1 stop
PDX11:09 pmPortland
$361
American Airlines
Sep 1
PDX12:48 pmPortland
7h 02m
1 stop
GSP10:50 pmGreenville
Sep 7
GSP5:28 pmGreenville
8h 41m
1 stop
PDX11:09 pmPortland
$407
American Airlines
Aug 15
PDX5:18 amPortland
8h 20m
1 stop
GSP4:38 pmGreenville
Aug 22
GSP1:37 pmGreenville
9h 11m
1 stop
PDX7:48 pmPortland
$410

United Airlines flights from Portland to Greenville

Our best United Airlines deals on Portland to Greenville flight tickets
United Airlines
Jul 21
PDX11:30 pmPortland
7h 25m
1 stop
GSP9:55 amGreenville
Jul 28
GSP6:10 amGreenville
8h 28m
1 stop
PDX11:38 amPortland
$363
United Airlines
Oct 21
PDX10:43 amPortland
7h 34m
1 stop
GSP9:17 pmGreenville
Oct 27
GSP6:30 amGreenville
9h 47m
2 stops
PDX1:17 pmPortland
$368
United Airlines
Oct 10
PDX10:43 amPortland
7h 15m
1 stop
GSP8:58 pmGreenville
Oct 17
GSP2:16 pmGreenville
9h 54m
2 stops
PDX9:10 pmPortland
$392

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 June 26, 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 - GSP

PDXGSP

Portland

Tue 7/21

11:30 pm-9:55 am

1 stop7h 25m

Greenville

Tue 7/28

6:10 am-11:38 am

1 stop8h 28m

$363

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 9/9

5:00 am-3:14 pm

1 stop7h 14m

Greenville

Tue 9/15

3:01 pm-10:52 pm

2 stops10h 51m

$368

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Wed 9/9

7:05 am-8:55 pm

2 stops10h 50m

Greenville

Tue 9/15

5:30 pm-11:10 pm

2 stops8h 40m

$373

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Thu 8/20

11:20 pm-10:15 am

1 stop7h 55m

Greenville

Mon 8/24

5:46 am-10:27 am

1 stop7h 41m

$381

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 10/10

10:43 am-8:58 pm

1 stop7h 15m

Greenville

Sat 10/17

2:16 pm-9:10 pm

2 stops9h 54m

$392

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 8/4

11:30 pm-12:25 pm

2 stops9h 55m

Greenville

Tue 8/18

5:30 pm-11:10 pm

2 stops8h 40m

$401

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 8/15

5:18 am-4:38 pm

1 stop8h 20m

Greenville

Sat 8/22

1:37 pm-7:48 pm

1 stop9h 11m

$410

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 8/15

11:30 pm-12:40 pm

2 stops10h 10m

Greenville

Sat 8/22

12:55 pm-8:15 pm

2 stops10h 20m

$412
Quickest round-trip

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Tue 9/1

10:55 pm-9:18 am

1 stop7h 23m

Greenville

Mon 9/7

6:00 am-10:27 am

1 stop7h 27m

$415

PortlandGreenville

PDX - GSP

PDXGSP

Portland

Sat 10/10

6:25 pm-10:00 am

2 stops12h 35m

Greenville

Sat 10/17

7:00 am-1:00 pm

2 stops9h 00m

$417

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?

What is the cheapest month to fly to Greenville?

The month of September is another great option to travel to Greenville, with average flight prices from Portland averaging around $391.

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

You are more likely to see cheaper flights to Greenville from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Greenville for around $543 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Greenville from Portland for as low as $303 on momondo.

Can stopping save me money on Portland to Greenville flights?

You could potentially save up to 1% 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 June 2026, prices for Portland to Greenville flights are approximately 12% 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

6h 49m

Direct flights

None
The fastest flight from Portland to Greenville takes 6h 49m
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 6h 49m.

  • 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 $248Free CancellationRating
7.8
8,453 reviews
Search Delta flights
United AirlinesPriceFrom $312Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights
American AirlinesPriceFrom $366Free CancellationRating
7.1
11,769 reviews
Search American Airlines 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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