Book Cheap Flights from Boston with Alaska Airlines
Compare one-way ticket prices from Boston.*
Boston (BOS)to
Seattle (SEA)
Boston (BOS)to
Portland (PDX)
Boston (BOS)to
San Francisco (SFO)
Boston (BOS)to
San Diego (SAN)
Boston (BOS)to
Anchorage (ANC)
Boston (BOS)to
Los Angeles (LAX)
Boston (BOS)to
Fairbanks (FAI)
Boston (BOS)to
San Luis Obispo (SBP)*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.
One-way flight deals from Boston.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Portland (PDX) | One-way | Main | Depart: Jul 21, 2025 | From $164 Seen: 12 hours ago | |
| Boston (BOS) | Portland (PDX) | One-way | Main | Depart: Jul 22, 2025 | From $164 Seen: 12 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Main | Depart: Sep 10, 2025 | From $168 Seen: 9 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Main | Depart: Aug 26, 2025 | From $168 Seen: 10 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Main | Depart: Sep 4, 2025 | From $168 Seen: 14 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Main | Depart: Sep 3, 2025 | From $168 Seen: 9 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Main | Depart: Sep 20, 2025 | From $168 Seen: 7 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Main | Depart: Aug 27, 2025 | From $169 Seen: 11 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Main | Depart: Sep 17, 2025 | From $169 Seen: 11 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Main | Depart: Sep 16, 2025 | From $169 Seen: 11 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Main | Depart: Oct 1, 2025 | From $169 Seen: 7 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Main | Depart: Sep 2, 2025 | From $169 Seen: 13 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Main | Depart: Sep 13, 2025 | From $169 Seen: 13 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Main | Depart: Sep 16, 2025 | From $169 Seen: 13 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Main | Depart: Sep 17, 2025 | From $169 Seen: 13 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Main | Depart: Sep 20, 2025 | From $169 Seen: 13 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Main | Depart: Sep 24, 2025 | From $169 Seen: 13 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Main | Depart: Oct 3, 2025 | From $180 Seen: 15 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Main | Depart: Sep 29, 2025 | From $180 Seen: 6 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Main | Depart: Jul 2, 2025 | From $180 Seen: 9 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.