Alaska Airlines Flights from Denver to Seattle
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1 Passenger
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Lowest fares from Denver to Seattle
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One-way low-fare flights Denver to Seattle.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Sep 24, 2025 | From $79 Seen: 1 day ago | |
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Sep 20, 2025 | From $79 Seen: 15 minutes ago | |
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Sep 27, 2025 | From $79 Seen: 15 minutes ago | |
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Sep 30, 2025 | From $79 Seen: 15 minutes ago | |
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Oct 11, 2025 | From $79 Seen: 15 minutes ago | |
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Oct 15, 2025 | From $79 Seen: 15 minutes ago | |
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Oct 21, 2025 | From $79 Seen: 15 minutes ago | |
| Denver (DEN) | Seattle (SEA) | One-way | Saver | Depart: Nov 4, 2025 | From $79 Seen: 15 minutes 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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