Alaska Airlines Flights from Pittsburgh to Seattle
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1 Passenger
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Lowest fares from Pittsburgh to Seattle
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One-way low-fare flights Pittsburgh to Seattle.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Apr 28, 2026 | From $129 Seen: 19 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Mar 25, 2026 | From $129 Seen: 19 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Apr 1, 2026 | From $129 Seen: 19 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Apr 18, 2026 | From $129 Seen: 19 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Apr 21, 2026 | From $129 Seen: 19 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Mar 24, 2026 | From $129 Seen: 19 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Apr 15, 2026 | From $129 Seen: 19 hours ago | |
| Pittsburgh (PIT) | Seattle (SEA) | One-way | Saver | Depart: Mar 21, 2026 | From $129 Seen: 19 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.