Cheapest Direct Flight
Delta Air Lines
18 Aug, Tue19:35
Boston – Seattle
6h 36m
Non-stop
BOS–SEA
Search Flights from Boston to Seattle
Quick Flight Summary from Boston to Seattle
Key numbers to know before you book
- Lowest recent price SAR 793
- Direct flight duration 6 hour 23 min
- Arrival airports LKE / SEA / PAE
- Best days to book Monday, Tuesday
- Average over the last 30 days SAR 931
Cheapest flights from Boston to Seattle
Delta Air Lines
19 Aug, Wed19:35
Boston – Seattle
6h 36m
Non-stop
BOS–SEA
Shortest Flight
Delta Air Lines
13 Jul, Mon07:53
Boston – Seattle
6h 23m
Non-stop
BOS–SEA
Delta Air Lines
21 Jul, Tue19:29
Boston – Seattle
6h 33m
Non-stop
BOS–SEA
JetBlue
6 Jul, Mon07:10
Boston – Seattle
6h 23m
Non-stop
BOS–SEA
JetBlue
10 Aug, Mon19:30
Boston – Seattle
6h 23m
Non-stop
BOS–SEA
Delta Air Lines
10 Jul, Fri19:29
Boston – Seattle
6h 33m
Non-stop
BOS–SEA
JetBlue
18 Jul, Sat19:01
Boston – Seattle
6h 30m
Non-stop
BOS–SEA
American Airlines
12 Aug, Wed15:20
Boston – Seattle
10h 36m
1 stop
BOS–SEA
Last update: 06 July 2026 07:48
Estimated Prices for Boston to Seattle Flights
Cheapest Day18 July Saturday
Best Price
SAR 793
Average Price
SAR 1,079
SAR 1,364
SAR 793
Key Features of the Airlines
- Lowest Fares
- Hajj & Umrah Specialist
- Easy Mobile Booking
- Best LCC Middle East
- Flexible Rebooking
- Wide Domestic Network
- Egypt-KSA Specialist
- 30kg Free Baggage
- Full Service Included
- Full Service with Meals
- 23kg Free Baggage
- SkyTeam Member
- Star Alliance Member
- Complimentary Meals
- 2x23kg Baggage
Information compiled by AI. For the most up-to-date information, contact the airline.
Flights with Alternative Departure Locations Boston Seattle
More Information About Seattle
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