Seattle to Boise (BOI) flight deals
Compare Seattle to Boise (BOI) 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
September 2026 · October 2026 · November 2026 · December 2026 · January 2027 · February 2027 · 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.
October 2026
1 adult · Economy · Round-trip totals
| Travel dates | Flights (out / return) | Axel Member | Airline fare | Search |
|---|---|---|---|---|
| Oct 2–4, 2026 · 2 days | 1 stop / 2 stops · 5h 50m / 9h 5m | $477 | $532 | Search |
| Oct 2–4, 2026 · 2 days | 1 stop / 1 stop · 5h 50m / 5h 5m | $596 | $667 | Search |
Round-trip totals in USD for 1 adult · Economy · 22 days.
| Destination | Trip dates | Axel Member | Airline fare | Stops | Search |
|---|---|---|---|---|---|
| Boise (BOI) | Oct 1–23, 2026 | $297 | $330 | 1 stop | 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 Boise (BOI): flights September 24–27, 2026
- Seattle to Boise (BOI): flights October 2–4, 2026
- Seattle to Boise (BOI): flights October 2–5, 2026
- Seattle to Boise (BOI): flights October 15–18, 2026
- Seattle to Boise (BOI) — Lake Washington October school weekend: flights October 16–18, 2026
- Seattle to Boise (BOI): flights October 16–19, 2026
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
Keep exploring
AI assistants can follow these links to compare prices without an account, API key or connector. Flight search guide