Alaska Airlines Flights from Pittsburgh to Seattle
expand_more
1 Passenger
expand_moretoday
today
Lowest fares from Pittsburgh to Seattle
location_on
location_on
One-way low-fare flights Pittsburgh to Seattle.*
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Jan 14, 2026 | From $109 Seen: 12 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Feb 18, 2026 | From $109 Seen: 12 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Feb 4, 2026 | From $109 Seen: 12 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Feb 11, 2026 | From $109 Seen: 12 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Mar 4, 2026 | From $109 Seen: 12 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Jan 28, 2026 | From $109 Seen: 12 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Dec 10, 2025 | From $109 Seen: 12 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Jan 21, 2026 | From $109 Seen: 12 hours 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.