Alaska Airlines Flights from Seattle to Boston
Lowest fares from Seattle to Boston
One-way low-fare flights Seattle to Boston.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Apr 7, 2025 | From $129* Seen: 52 minutes ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Apr 7, 2025 From $129 Seen: 52 minutes ago |
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Apr 13, 2025 | From $129* Seen: 1 hour ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Apr 13, 2025 From $129 Seen: 1 hour ago |
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Apr 9, 2025 | From $129* Seen: 1 hour ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Apr 9, 2025 From $129 Seen: 1 hour ago |
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Mar 18, 2025 | From $129* Seen: 28 minutes ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Mar 18, 2025 From $129 Seen: 28 minutes ago |
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Mar 26, 2025 | From $129* Seen: 6 minutes ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Mar 26, 2025 From $129 Seen: 6 minutes ago |
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Mar 11, 2025 | From $129* Seen: 1 hour ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Mar 11, 2025 From $129 Seen: 1 hour ago |
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Mar 30, 2025 | From $129* Seen: 52 minutes ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Mar 30, 2025 From $129 Seen: 52 minutes ago |
| FromSeattle (SEA) | ToBoston (BOS) | One-way | Saver | Depart: Mar 28, 2025 | From $129* Seen: 23 minutes ago | From Seattle To Boston Fare Type One-way Saver Dates Depart: Mar 28, 2025 From $129 Seen: 23 minutes ago |
*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
Book one-way flights from Seattle to Boston with miles*
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Boston (BOS)*Prices have been available for one-way and round trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.