$78 Cheap Flights from Portland (PWM) to Greenville (GSP)

View $78 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Portland to Greenville (PWM-GSP)

Prices were available within the past 7 days and start at $78 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Sep 26 - Sun, Sep 28
PWM
Portland
GSP
Greenville
$170 Roundtrip, found 3 days ago
$170
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Sep 26 from Portland to Greenville, returning Sun, Sep 28, priced at $170 found 3 days ago
Breeze Airways
Fri, Sep 26 - Sun, Sep 28
PWM
Portland
GSP
Greenville
$175 Roundtrip, found 3 days ago
$175
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Sep 26 from Portland to Greenville, returning Sun, Sep 28, priced at $175 found 3 days ago
Breeze Airways
Fri, Sep 26 - Sun, Sep 28
PWM
Portland
GSP
Greenville
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Sep 26 from Portland to Greenville, returning Sun, Sep 28, priced at $180 found 3 days ago
Breeze Airways
Fri, Sep 5 - Sun, Sep 14
PWM
Portland
GSP
Greenville
$184 Roundtrip, found 13 hours ago
$184
Roundtrip
found 13 hours ago
Select Breeze Airways flight, departing Fri, Sep 5 from Portland to Greenville, returning Sun, Sep 14, priced at $184 found 13 hours ago
Breeze Airways
Thu, Nov 13 - Thu, Nov 20
PWM
Portland
GSP
Greenville
$187 Roundtrip, found 2 hours ago
$187
Roundtrip
found 2 hours ago
Select Breeze Airways flight, departing Thu, Nov 13 from Portland to Greenville, returning Thu, Nov 20, priced at $187 found 2 hours ago
Breeze Airways
Fri, Sep 5 - Sun, Sep 14
PWM
Portland
GSP
Greenville
$189 Roundtrip, found 13 hours ago
$189
Roundtrip
found 13 hours ago
Select Breeze Airways flight, departing Fri, Sep 5 from Portland to Greenville, returning Sun, Sep 14, priced at $189 found 13 hours ago
Breeze Airways
Sun, Aug 31 - Sun, Sep 7
PWM
Portland
GSP
Greenville
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Select Breeze Airways flight, departing Sun, Aug 31 from Portland to Greenville, returning Sun, Sep 7, priced at $192 found 5 days ago
American Airlines
Thu, Sep 25 - Sun, Sep 28
PWM
Portland
GSP
Greenville
$220 Roundtrip, found 4 days ago
$220
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 25 from Portland to Greenville, returning Sun, Sep 28, priced at $220 found 4 days ago
Delta
Wed, Oct 1 - Wed, Oct 8
PWM
Portland
GSP
Greenville
$277 Roundtrip, found 7 hours ago
$277
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Oct 1 from Portland to Greenville, returning Wed, Oct 8, priced at $277 found 7 hours ago
Southwest Airlines
Wed, Oct 29 - Fri, Oct 31
PWM
Portland
GSP
Greenville
$287 Roundtrip, found 4 hours ago
$287
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Portland to Greenville, returning Fri, Oct 31, priced at $287 found 4 hours ago

Find the cheapest month to fly from Portland (PWM) to Greenville (GSP)

September is typically the cheapest month to fly

From $158 - $613 per traveler.

Graph displaying average flight prices per month

Alternative airports near Greenville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Greenville-Spartanburg Intl. GSP. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $371
GSP
Greenville-Spartanburg Intl.
Cheapest
Average driving time to city center18 min
Flights from $371
Flights from Portland (PWM) to Greenville (GSP)
Origin airport
Portland Intl. Jetport
Destination airport
Greenville-Spartanburg Intl.
Airlines serving
American Airlines, Breeze Airways, Delta, Southwest Airlines, United
Roundtrip price
$170
Distance
876 mi
Average flight time
4 hours 9 mins

Portland to Greenville Flights

The cheapest times to fly from Portland to Greenville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Greenville are during the month of September. You can find some of the cheapest flights from Portland to Greenville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Greenville

Sunday is one of the best days to book for cheap flights from Portland to Greenville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Greenville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Greenville in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Greenville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Greenville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP) cost?
Grab a cheap one-way flight from $78 or cheap return flight from $170 from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP)?
Planning your trip for September may help you find better deals, as it's the cheapest month for flights between PWM and GSP. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP)?
To find the cheapest airline flying from PWM to GSP, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP)?
Direct flights from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PWM to GSP?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP)?
Select a flight from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Waiting until just before your departure to book a flight from PWM to GSP generally means paying more. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans to maximize your chances of snagging a bargain.
Is it cheaper to book a PWM to GSP flight and hotel package?
You can save money by booking a PWM to GSP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your preferred flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Greenville-Spartanburg Intl. Airport (GSP)?
It's usually possible to cancel or reschedule your PWM to GSP flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.