Allegiant AirDepart08:43
Thu, Nov 12GSP → PDX
10h 20m · 3 stops
$332one way, per person
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- Cheapest fare
- $332
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 10h 20m
Allegiant Air · Thu, Nov 12
from $332
Usually 1+ stop
3,580 km
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Cheapest month to fly from Greenville to Portland
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Greenville to Portland
Greenville (GSP) and Portland (PDX) are about 3,580 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 10h 20m. Over the next few months, one-way fares start from $332, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Greenville to Portland?
The cheapest one-way fare we've seen recently is $332 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Greenville to Portland?
November 2026 currently has the lowest fares, from $332 one way.
Are there direct flights from Greenville to Portland?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Greenville to Portland?
The quickest journey we've seen takes about 10h 20m. Greenville and Portland are around 3,580 km apart.
Which airlines fly from Greenville to Portland?
Recent fares on this route were with Allegiant Air.
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