Cheap flights to a Seattle Mariners home game from Boston

Round trips from Boston from $351. Fly into Seattle (SEA). Cheapest dates, deal ratings and where to book.

• Seattle: $351, 2026-10-21 to 2026-10-21
• Seattle: $353, 2026-10-16 to 2026-10-16
• Seattle: $380, 2026-10-21 to 2026-10-28
• Seattle: $412, 2026-12-01 to 2026-12-03
• Seattle: $467, 2026-10-12 to 2026-10-16
• Seattle: $472, 2026-11-23 to 2026-11-30
• Seattle: $534, 2026-12-20 to 2027-01-03

Nearby

• Athletics
• San Francisco Giants
• Los Angeles Dodgers
• Colorado Rockies
• Los Angeles Angels
• San Diego Padres
• Arizona Diamondbacks
• Minnesota Twins