Seattle to Boston (BOS) flight deals
Compare Seattle to Boston (BOS) flights across upcoming months. See dated fares below, or choose your own dates and travelers.
Flights from Seattle (SEA) · Seattle to United States flight deals
Browse fares by month
October 2026 · November 2026 · December 2026 · March 2027 · April 2027 · May 2027 · June 2027 · July 2027 · August 2027
Fares observed September 16 – 17, 2026. USD for the travelers shown. Search a trip for current prices. For starting totals, choose a return flight to confirm the final price.
November 2026
1 adult · Economy · Round-trip starting totals
March 2027
1 adult · Economy · Round-trip totals
| Travel dates | Flights (out / return) | Axel Member | Airline fare | Search |
|---|---|---|---|---|
| Mar 1–3, 2027 · 2 days | 1 stop / Nonstop · 7h 8m / 6h 34m | $496 | $552 | Search |
Round-trip totals in USD for 1 adult · Economy · 22 days.
| Destination | Trip dates | Axel Member | Airline fare | Stops | Search |
|---|---|---|---|---|---|
| Boston (BOS) | Mar 1–23, 2027 | $318 | $354 | 2 stops | Search |
Non-members can also book and save on airline fares. Live search shows prices with and without Membership. Optional Membership: $15 for the first month, then $10/month. Cancel anytime.
Explore specific trips
- Seattle to Boston (BOS) — elementary/K–8 Thanksgiving break: flights November 21–24, 2026
- Seattle to Boston (BOS) — elementary/K–8 Thanksgiving break: flights November 22–25, 2026
- Seattle to Boston (BOS) — winter break: flights December 19, 2026–January 3, 2027
- Seattle to Boston (BOS): flights March 4–7, 2027
- Seattle to Boston (BOS): flights March 5–8, 2027
- Seattle to Boston (BOS) — spring break: flights April 10–13, 2027
More dates by month
- September 2026
- October 2026
- November 2026
- December 2026
- January 2027
- February 2027
- March 2027
- April 2027
- May 2027
- June 2027
- July 2027
- August 2027
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