Lowest Priced Flights to Boston on Alaska Airlines starting at $16*
Most popular flights to Boston on Alaska Airlines.*
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Boston (BOS)Portland (PDX)to
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Boston (BOS)*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.
Top offers for Boston one-way flights.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Francisco (SFO) | Boston (BOS) | One-way | Saver | Depart: Aug 18, 2026 | From $139 Seen: 10 hours ago | |
| San Francisco (SFO) | Boston (BOS) | One-way | Saver | Depart: May 19, 2026 | From $139 Seen: 10 hours ago | |
| San Francisco (SFO) | Boston (BOS) | One-way | Saver | Depart: Aug 4, 2026 | From $139 Seen: 10 hours ago | |
| San Francisco (SFO) | Boston (BOS) | One-way | Saver | Depart: Jun 9, 2026 | From $139 Seen: 10 hours ago | |
| San Francisco (SFO) | Boston (BOS) | One-way | Saver | Depart: Jul 14, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: May 23, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: Jun 2, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: Jun 7, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: Jun 8, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: May 17, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: May 18, 2026 | From $139 Seen: 10 hours ago | |
| Sacramento (SMF) | Boston (BOS) | One-way | Saver | Depart: May 27, 2026 | From $139 Seen: 48 minutes ago | |
| Portland (PDX) | Boston (BOS) | One-way | Saver | Depart: Jun 6, 2026 | From $144 Seen: 10 hours ago | |
| Portland (PDX) | Boston (BOS) | One-way | Saver | Depart: May 23, 2026 | From $144 Seen: 10 hours ago | |
| Portland (PDX) | Boston (BOS) | One-way | Saver | Depart: Jun 1, 2026 | From $144 Seen: 10 hours ago | |
| Portland (PDX) | Boston (BOS) | One-way | Saver | Depart: Jun 8, 2026 | From $144 Seen: 10 hours ago | |
| Portland (PDX) | Boston (BOS) | One-way | Saver | Depart: Jun 9, 2026 | From $144 Seen: 10 hours ago | |
| San Francisco (SFO) | Boston (BOS) | One-way | Saver | Depart: Jun 3, 2026 | From $144 Seen: 10 hours ago | |
| Portland (PDX) | Boston (BOS) | One-way | Saver | Depart: May 30, 2026 | From $144 Seen: 7 hours ago | |
| Sacramento (SMF) | Boston (BOS) | One-way | Saver | Depart: Jun 3, 2026 | From $144 Seen: 16 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.
Plan a trip to Boston
If you want to experience a true Irish pub, real cannoli, avant-garde art studios, and some of the finest jazz music you'll ever hear all in one place, Boston has you covered. It’s a walking town, so prepare to hike the maze of cobblestone streets. Take the subways anywhere you can't walk to; the city remodeled them with commissioned local artwork, and they are an exploration wonder unto themselves. Explore lovely Boston Public Garden right in the middle of the city, complete with Belgian elm, Kwanzan cherry trees, and swan boats. Walk the historic downtown Freedom Trail, and climb Bunker Hill for incredible city views. Experience the European feel of boutique-browsing on elegant Beacon Hill, as you walk by gas-lit wrought-iron street lanterns and Victorian era homes. Quincy Market, designed in 1824 in the Greek Revival style, gives you top-talent street theater performances and the largest international food hall in New England.
View airport information for Boston (BOS)