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Cheap Flights from Portland to Grants Pass

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Find the cheapest month or even day of the year to fly to Grants Pass

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Portland to Grants Pass: Flight information

The things to know before you go.
Fly intoMedford Airport
Cheapest flight foundSAR 256
Cheapest month to flySeptember
Average flight time59 mins
Most popular airlineAlaska Airlines
Average flights per week116

Find the cheapest month to fly from Portland to Grants Pass

We’re always keeping an eye on fares, so you can find the best flight deal in seconds. It looks like Portland to Grants Pass flights are currently cheapest in September. We’ve based this on flights into Medford Airport.
Jun
from SAR 686
Jul
from SAR 332
Aug
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Sep
from SAR 256
Oct
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Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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May
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Finding cheap flights from Portland to Grants Pass: Frequently asked questions

The best price we found for a return flight from Portland to Grants Pass is SAR 587. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
The average flight time to Grants Pass is 59 minutes. We've calculated this based on journeys to Medford Airport.
Alaska Airlines, Horizon Air, Hawaiian Airlines all offer direct flights to Medford Airport.
We’ve found roughly 78 per week flying from Portland Airport to Grants Pass.
We've checked every Portland Airport to Grants Pass fare we could find, and the cheapest upcoming date to fly seems to be on Friday, 15 August 2025. Overall, the cheapest month to fly from Portland Airport to Grants Pass is usually August.
If you're flying from Portland Airport, the cheapest airport near Grants Pass is Medford – which is 38.2 km away from the centre of Grants Pass. We've found flights into this airport from SAR 587.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Grants Pass on Friday, 15 August 2025.
No airlines currently offer direct flights between Portland Airport and Grants Pass. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Grants Pass but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Grants Pass is around 40 days in advance, so don’t leave your flight to the last minute.
Medford Airport is the best option, and is around 38.2km from Grants Pass.
Medford Airport is closest to Grants Pass, at around 38.2 km away.
In June, the average temperature is usually around 15°C. August is typically the warmest month in Grants Pass, when it usually averages around 30°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging -1°C. The rainiest month is December.
Currently, the cheapest airline that flies to Medford Airport - the closest airport to Grants Pass - Alaska Airlines.

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