Book Cheap Flights from Boston with Alaska Airlines
Find round-trip flight deals from Boston.*
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Spokane (GEG)*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) | San Diego (SAN) | One-way | Saver | Depart: Feb 19, 2026 | From $114 Seen: 6 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Saver | Depart: Apr 1, 2026 | From $114 Seen: 7 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Saver | Depart: Mar 11, 2026 | From $114 Seen: 4 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Saver | Depart: Feb 25, 2026 | From $114 Seen: 5 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Saver | Depart: Mar 18, 2026 | From $114 Seen: 10 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Saver | Depart: Oct 21, 2026 | From $119 Seen: 11 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Saver | Depart: Sep 23, 2026 | From $119 Seen: 10 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Saver | Depart: Mar 10, 2026 | From $119 Seen: 12 hours ago | |
| Boston (BOS) | Portland (PDX) | One-way | Saver | Depart: Feb 25, 2026 | From $119 Seen: 6 hours ago | |
| Boston (BOS) | Portland (PDX) | One-way | Saver | Depart: Feb 18, 2026 | From $119 Seen: 1 hour ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Saver | Depart: Mar 3, 2026 | From $119 Seen: 5 hours ago | |
| Boston (BOS) | San Diego (SAN) | One-way | Saver | Depart: Mar 16, 2026 | From $124 Seen: 5 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Saver | Depart: Mar 18, 2026 | From $129 Seen: 3 hours ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Saver | Depart: Mar 3, 2026 | From $129 Seen: 43 minutes ago | |
| Boston (BOS) | Seattle (SEA) | One-way | Saver | Depart: Feb 17, 2026 | From $129 Seen: 39 minutes ago | |
| Boston (BOS) | Portland (PDX) | One-way | Saver | Depart: Mar 3, 2026 | From $129 Seen: 12 hours ago | |
| Boston (BOS) | Portland (PDX) | One-way | Saver | Depart: Jun 3, 2026 | From $129 Seen: 10 hours ago | |
| Boston (BOS) | Portland (PDX) | One-way | Saver | Depart: May 6, 2026 | From $129 Seen: 10 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Saver | Depart: Feb 26, 2026 | From $129 Seen: 5 hours ago | |
| Boston (BOS) | San Francisco (SFO) | One-way | Saver | Depart: Mar 12, 2026 | From $129 Seen: 7 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.