$143 Cheap Flights from Greenville (GSP) to Portland (PDX)

View $143 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Portland International Airport (PDX)

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Cheap Flights from Greenville to Portland (GSP-PDX)

Prices were available within the past 7 days and start at $143 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Feb 14 - Wed, Feb 18
GSP
Greenville
PDX
Portland
$285 Roundtrip, found 13 hours ago
$285
Roundtrip
found 13 hours ago
Select Delta flight, departing Sat, Feb 14 from Greenville to Portland, returning Wed, Feb 18, priced at $285 found 13 hours ago
Delta
Sat, Jan 17 - Sun, Jan 18
GSP
Greenville
PDX
Portland
$292 Roundtrip, found 5 days ago
$292
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 17 from Greenville to Portland, returning Sun, Jan 18, priced at $292 found 5 days ago
United
Sat, Jan 17 - Sun, Jan 18
GSP
Greenville
PDX
Portland
$311 Roundtrip, found 5 days ago
$311
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jan 17 from Greenville to Portland, returning Sun, Jan 18, priced at $311 found 5 days ago
United
Sat, Jan 17 - Sun, Jan 18
GSP
Greenville
PDX
Portland
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jan 17 from Greenville to Portland, returning Sun, Jan 18, priced at $316 found 5 days ago
Delta
Mon, Nov 17 - Thu, Nov 27
GSP
Greenville
PDX
Portland
$322 Roundtrip, just found
$322
Roundtrip
just found
Select Delta flight, departing Mon, Nov 17 from Greenville to Portland, returning Thu, Nov 27, priced at $322 just found
United
Sat, Jan 17 - Sun, Jan 18
GSP
Greenville
PDX
Portland
$322 Roundtrip, found 5 days ago
$322
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jan 17 from Greenville to Portland, returning Sun, Jan 18, priced at $322 found 5 days ago
United
Thu, Feb 5 - Sat, Feb 21
GSP
Greenville
PDX
Portland
$324 Roundtrip, found 1 day ago
$324
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 5 from Greenville to Portland, returning Sat, Feb 21, priced at $324 found 1 day ago
Delta
Sat, Jan 17 - Sun, Jan 18
GSP
Greenville
PDX
Portland
$325 Roundtrip, found 5 days ago
$325
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 17 from Greenville to Portland, returning Sun, Jan 18, priced at $325 found 5 days ago
American Airlines
Thu, Feb 12 - Sun, Feb 15
GSP
Greenville
PDX
Portland
$332 Roundtrip, found 6 days ago
$332
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Feb 12 from Greenville to Portland, returning Sun, Feb 15, priced at $332 found 6 days ago
Southwest Airlines
Thu, Feb 5 - Sat, Feb 21
GSP
Greenville
PDX
Portland
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Feb 5 from Greenville to Portland, returning Sat, Feb 21, priced at $337 found 1 day ago

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

August is typically the cheapest month to fly

From $202 - $725 per traveler.

Alternative airports near Portland

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

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $533
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $533

Frequently asked questions

How much does a flight from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX) cost?
Get a cheap one-way flight from $143 or cheap return flight from $285 from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX)?
Flying in February is a good way to save, as it's the cheapest month for flights between GSP and PDX. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest GSP to PDX flight.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX)?
Direct flights from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GSP to PDX?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX)?
To avoid potential delays on the Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be canceled.**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 Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX) last-minute?
Holding off until right before your break to book a ticket from GSP to PDX often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of landing a bargain.
Is it cheaper to book a GSP to PDX flight and hotel package?
Compared with arranging hotels and flights separately, booking a GSP to PDX flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Greenville-Spartanburg Intl. Airport (GSP) to Portland Intl. Airport (PDX)?
In most cases, you can modify or cancel your GSP to PDX flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Origin airport
Greenville-Spartanburg Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$284
Distance
2226 mi

Book with confidence

Greenville to Portland Flights

The cheapest times to fly from Greenville to Portland

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 Greenville to Portland are during the month of February. You can find some of the cheapest flights from Greenville to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Greenville to Portland

Sunday is one of the best days to book for cheap flights from Greenville to Portland: 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 Greenville to Portland

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 Greenville to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $143 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 Greenville to Portland 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 Greenville to Portland 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.

 

Greenville to Portland Flights

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*Available to One Key members.