Alaska Airlines Flights from Saint Louis to Portland

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Lowest fares from Saint Louis to Portland

Jun 2025
From$226*
Seen: 14 hours ago
Flight Type One Way|Saver
$226
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Range$226-$330

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

One-way low-fare flights Saint Louis to Portland.*

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One-way low-fare flights Saint Louis to Portland.*
From
To
Fare Type
Dates
Price
Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Nov 9, 2025

From

$127

Seen: 11 hours ago

Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Oct 5, 2025

From

$172

Seen: 1 day ago

Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Sep 5, 2025

From

$172

Seen: 11 hours ago

Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Oct 12, 2025

From

$174

Seen: 1 day ago

Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Jun 19, 2025

From

$226

Seen: 14 hours ago

Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Jun 28, 2025

From

$233

Seen: 1 day ago

Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Jul 9, 2025

From

$268

Seen: 1 day ago

Saint Louis (STL)Portland (PDX)One-way
|
Saver		Depart: Jun 27, 2025

From

$269

Seen: 1 day ago

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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