Flights from Boston to Seattle
Searching for cheap flights from Boston to Seattle? Compare BOS–SEA fares, carriers and travel times, and find the cheapest months to fly.
Boston to Seattle flights overview
Fares on the Boston to Seattle route move daily with demand, sales and seat availability, so BookingTrolley compares live prices from several suppliers in one place. Based on this route's seasonal pattern, fares average roughly J$ 70,512.00 over the year. Nov tends to be the cheapest month to fly (around J$ 58,812.00), while Jun is usually the most expensive at about J$ 87,516.00 — a swing of roughly 49%.
Covering around 4,005 km between BOS and SEA, the quickest nonstop flight takes about 5 hours. Both full-service and low-cost carriers serve this corridor; BookingTrolley compares their published fares so you can weigh price against flight time and baggage.
Frequently asked questions about flying from Boston to Seattle
BookingTrolley tracks fares on Boston to Seattle (BOS–SEA). Jamaica travellers can compare live prices in USD before booking.
The flying time from Boston to Seattle is about 5 hours nonstop, covering roughly 4,005 km between BOS and SEA. BookingTrolley schedules show connecting itineraries take longer depending on layover length.
Multiple airlines serve BOS–SEA. BookingTrolley aggregates published fares so Jamaica researchers can compare options.
Mid-week travel and booking a few weeks ahead often help on international corridors like Boston to Seattle. BookingTrolley compares dates for Jamaica shoppers.
Find cheap flights on popular routes
Explore fares from Boston, into Seattle, and on related corridors with BookingTrolley.
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