Find Seattle to Boston flights starting at CAD 137.
Book one-way or return flights from Seattle to Boston from as little as CAD 137. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- SEA15:395h 20mDirectBOS23:59Tue, May 7|Seattle - Boston|Alaska AirlinesCAD 137CAD 25947% OFF47% OFFCAD 259CAD 137
- SEA23:3422h 4m1 stopBOS00:38Tue, Jun 4|Seattle - Boston|Alaska AirlinesCAD 149CAD 25942% OFF42% OFFCAD 259CAD 149
- SEA23:5521h 43m1 stopBOS00:38Tue, Jun 4|Seattle - Boston|American AirlinesCAD 157CAD 25939% OFF39% OFFCAD 259CAD 157
- SEA14:5511h 10m1 stopBOS05:05Sat, May 4|Seattle - Boston|Frontier AirlinesCAD 163CAD 163
- SEA09:4211h 28m1 stopBOS00:10Sat, May 11|Seattle - Boston|Spirit AirlinesCAD 171CAD 171
- SEA09:4211h 28m1 stopBOS00:10Wed, May 8|Seattle - Boston|Spirit AirlinesCAD 172CAD 172
- SEA21:255h 20mDirectBOS05:45Mon, May 13|Seattle - Boston|Alaska AirlinesCAD 176CAD 176
- SEA20:405h 29mDirectBOS05:09Tue, May 7|Seattle - Boston|Jetblue AirwaysCAD 179CAD 179
- SEA21:338h 58m1 stopBOS09:31Tue, May 14|Seattle - Boston|Alaska AirlinesCAD 180CAD 180
- SEA09:4211h 28m1 stopBOS00:10Mon, May 13|Seattle - Boston|Spirit AirlinesCAD 181CAD 181
- SEA13:003h 5mDirectBOS14:00Sun, May 5|Seattle - Boston|Alaska AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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- CheapestSEA17:0213h 29m2 transferBOS09:31Seattle-Tacoma International Airport - General Edward Lawrence Logan International AirportMon, May 6Frontier AirlinesCAD 212
- SEA17:0213h 29m2 transferBOS09:31Seattle-Tacoma International Airport - General Edward Lawrence Logan International AirportMon, May 6Frontier AirlinesCAD 212Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Seattle to Boston
Cheapest direct flight price | CAD 136 |
---|---|
Cheapest return ticket price | CAD 322 |
Cheapest month | December |
Peak season for travel | October |
Flight distance | 4,005.09km |
Average flight time | 5 hours 32 minutes |
Popular airline | American Airlines |
Plan Your Trip Around Boston
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