Alaska Airlines Flights from San Diego to Seattle

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Lowest fares from San Diego to Seattle

May 2025
From$141*
Seen: 6 hours ago
Flight Type One Way|Saver
$98
$314
Displaying fares for May-2025
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Range$98-$314

*Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability.

One-way low-fare flights San Diego to Seattle.*

One-way low-fare flights San Diego to Seattle.*
From
To
Fare Type
Dates
Price
San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Aug 23, 2025

From

$89

Seen: 1 day ago

San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Oct 11, 2025

From

$89

Seen: 22 hours ago

San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Sep 24, 2025

From

$89

Seen: 21 hours ago

San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Aug 20, 2025

From

$89

Seen: 1 hour ago

San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Aug 30, 2025

From

$89

Seen: 1 hour ago

San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Sep 16, 2025

From

$89

Seen: 1 day ago

San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Sep 2, 2025

From

$89

Seen: 8 hours ago

San Diego (SAN)Seattle (SEA)One-way
|
Saver		Depart: Oct 4, 2025

From

$89

Seen: 6 hours ago

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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