Book Cheap Flights from United States with Alaska Airlines
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1 Passenger
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Lowest one-way fares from United States.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | San Francisco (SFO) | One-way | Saver | Depart: Oct 26, 2026 | From $49 Seen: 2 hours ago | |
| Seattle (SEA) | San Francisco (SFO) | One-way | Saver | Depart: Oct 16, 2026 | From $49 Seen: 36 minutes ago | |
| San Francisco (SFO) | Seattle (SEA) | One-way | Saver | Depart: Oct 16, 2026 | From $49 Seen: 45 minutes ago | |
| San Francisco (SFO) | Seattle (SEA) | One-way | Saver | Depart: Oct 19, 2026 | From $49 Seen: 6 minutes ago | |
| San Francisco (SFO) | Los Angeles (LAX) | One-way | Saver | Depart: Apr 17, 2027 | From $59 Seen: 2 hours ago | |
| San Francisco (SFO) | Los Angeles (LAX) | One-way | Saver | Depart: Oct 22, 2026 | From $59 Seen: 1 hour ago | |
| San Francisco (SFO) | San Diego (SAN) | One-way | Saver | Depart: Oct 22, 2026 | From $59 Seen: 1 hour ago | |
| San Francisco (SFO) | San Diego (SAN) | One-way | Saver | Depart: Nov 19, 2026 | From $59 Seen: 1 hour ago | |
| San Francisco (SFO) | San Diego (SAN) | One-way | Saver | Depart: Nov 7, 2026 | From $59 Seen: 2 hours ago | |
| San Francisco (SFO) | San Diego (SAN) | One-way | Saver | Depart: Oct 13, 2026 | From $59 Seen: 50 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.