Cheap Flights from Boston to Seattle
Looking for cheap flights from Boston to Seattle? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Boston to Seattle vary by season, cabin, and date, but available award flights can start around 12,500 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Boston to Seattle for specific travel dates.
2026-09-11
BOS - SEA
Economy | 1 Stop | 2 left
From 12,500 Pts + $5.6
2026-09-12
BOS - SEA
Economy | 1 Stop
From 12,500 Pts + $5.6
2026-09-15
BOS - SEA
Economy | Non stop
From 12,500 Pts + $5.6
2026-09-22
BOS - SEA
Economy | Non stop
From 12,500 Pts + $5.6
2026-09-23
BOS - SEA
Economy | Non stop
From 12,500 Pts + $5.6
2026-09-25
BOS - SEA
Economy | Non stop
From 12,500 Pts + $5.6
Premium cabin flights from Boston to Seattle
Premium cabin
2026-09-12
BOS - SEA
First | 1 Stop | 5 left
From 35,000 Pts + $25.6
Premium cabin
2026-09-13
BOS - SEA
First | 1 Stop | 1 left
From 35,000 Pts + $25.6
Premium cabin
2026-09-17
BOS - SEA
First | 1 Stop | 1 left
From 35,000 Pts + $25.6
Premium cabin
2026-09-21
BOS - SEA
First | 1 Stop | 4 left
From 35,000 Pts + $25.6
Premium cabin
2026-09-13
BOS - SEA
First | 1 Stop
From 46,500 Pts + $5.6
Premium cabin
2026-09-14
BOS - SEA
First | 1 Stop
From 46,500 Pts + $5.6
Selected hotels for your next stay
Seattle (United States)
Kimpton Hotel Vintage Seattle
From 25,000 Pts or $220
Everett (United States)
Hotel Indigo Seattle Everett Waterfront
From 30,000 Pts or $219
Seattle (United States)
Kimpton Palladian Hotel
From 36,000 Pts or $304
Frequently Asked Questions
The cheapest route from Boston to Seattle depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Boston to Seattle.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Boston to Seattle.
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