Alaska Airlines Flights from San Diego to Boston
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1 Passenger
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Lowest fares from San Diego to Boston
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One-way low-fare flights San Diego to Boston.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: May 19, 2026 | From $129 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: Apr 28, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: Mar 11, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: May 5, 2026 | From $139 Seen: 10 hours ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: May 16, 2026 | From $129 Seen: 1 hour ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: May 20, 2026 | From $129 Seen: 1 hour ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: Mar 10, 2026 | From $129 Seen: 20 minutes ago | |
| San Diego (SAN) | Boston (BOS) | One-way | Saver | Depart: Mar 17, 2026 | From $134 Seen: 3 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.