Lowest Priced Flights to Portland on Allegiant starting at $39*

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*Modifying this information may result in a different fare

Best flights to Portland (PDX)

Provo (PVU)to

Portland (PDX)
Departing: January 9 2026
From
$48
Seen: 1 day ago
One-way
Economy

Phoenix / Mesa (AZA)to

Portland (PDX)
Departing: February 12 2026
From
$39
Seen: 55 minutes ago
One-way
Economy

Idaho Falls (IDA)to

Portland (PDX)
Departing: January 5 2026
From
$49
Seen: 18 hrs ago
One-way
Economy

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Cheap flights to Portland

Cheap flights to Portland
From
To
Fare Type
Dates
Price
Provo (PVU)Portland (PDX)One-way
/
Economy		Departing: February 2 2026

From

$48

Seen: 1 day ago

Phoenix / Mesa (AZA)Portland (PDX)One-way
/
Economy		Departing: February 26 2026

From

$39

Seen: 15 hrs ago

Appleton / Green Bay (ATW)Portland (PDX)One-way
/
Economy		Departing: June 22 2026

From

$113

Seen: 1 day ago

Idaho Falls (IDA)Portland (PDX)One-way
/
Economy		Departing: January 5 2026

From

$49

Seen: 18 hrs ago

Des Moines (DSM)Portland (PDX)One-way
/
Economy		Departing: June 16 2026

From

$116

Seen: 16 hrs ago

Grand Rapids (GRR)Portland (PDX)One-way
/
Economy		Departing: June 8 2026

From

$136

Seen: 20 hrs ago

Indianapolis (IND)Portland (PDX)One-way
/
Economy		Departing: June 4 2026

From

$110

Seen: 6 hrs ago

Cincinnati (CVG)Portland (PDX)One-way
/
Economy		Departing: June 14 2026

From

$115

Seen: 1 day ago

Flint (FNT)Portland (PDX)One-way
/
Economy		Departing: June 25 2026

From

$111

Seen: 1 day ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Travel Tips

Bundles are packages of popular services with an added discount.

Select a bundle to:

  • Streamline the booking experience

  • Save time

  • Save money!

  • Click here for more information.

Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.

  • Benefits include free checked bag, carry on, etc. Click here to learn more.

Lock in the lowest price by adding your checked and carryon bags when you book your flight.

  • By charging for carry-ons, we ensure there is space for everyone who needs it.

  • This leads to speedier boarding. Click here to see your bag options.

Cheap flights to Portland, OR (PDX) with Allegiant Airlines

Travel to Portland

Portland is excited for your arrival. Whether you seek endless activities or plan to do some sight seeing, Allegiant Airlines can get you there. With nonstop flights and low airfare, we're here to help make your trip memorable.

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