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Cheap Flights from Seattle to Boston - SEA to BOS (reverse)

Popular Flights from Seattle to Boston

  • Airfare from Seattle to Boston on American from $298 round trip
  • Airfare from Seattle to Boston on Alaska from $298 round trip
  • Airfare from Seattle to Boston on JetBlue from $298 round trip
  • Airfare from Seattle to Boston on US Airways from $309 round trip
  • Airfare from Seattle to Boston on United from $320 round trip

Did You Know?

  • Chicago, IL is the most popular connection for one stop flights between Seattle, WA and Boston, MA.
  • 12 airlines operate between Seattle, WA and Boston, MA
  • 323 flights per week fly out of Seattle, WA connecting to Boston, MA
  • Alaska has the most nonstop flights between Seattle, WA and Boston, MA.
  • The largest aircraft operated by S African flying between Seattle, WA and Boston, MA is a 32S with 150 seats.
  • 200,513 seats are available per day to fly out of Seattle, WA connecting to Boston, MA
  • The smallest aircraft operated by Copa flying between Seattle, WA and Boston, MA is a 737 with 157 seats.
  • The shortest flight between Seattle, WA and Boston, MA on Frontier is 2,771 miles.

Advance Purchase Prices from Seattle to Boston

  • Carrier
    0 Days
    1 Day
    3 Days
    7 Days
    10 Days
    14 Days
    21 Days
  • AirTran
    $574
    $574
    $398
    $338
    $408
    $316
    $316
  • Alaska
    $1038
    $1038
    $660
    $320
    $320
    $380
    $380
  • American
    $641
    $641
    $401
    $341
    $411
    $361
    $361
  • Continental
    $563
    $563
    $387
    $387
    $387
    $347
    $347
  • Delta
    $556
    $556
    $380
    $320
    $390
    $340
    $340
  • Frontier
    $557
    $557
    $401
    $341
    $411
    $319
    $319
  • JetBlue
    $1038
    $1038
    $660
    $320
    $320
    $380
    $380
  • Sun Ctry
    $687
    $687
    $471
    $329
    $329
    $329
    $329
  • US Airways
    $577
    $577
    $421
    $341
    $411
    $339
    $339
  • United
    $563
    $563
    $387
    $387
    $387
    $347
    $347
  • Virgin America
    $1205
    $1205
    $1077
    $341
    $341
    $707
    $707

Daily Non-stop Flight Schedules from Seattle/Tacoma International to Logan International

  • Airline
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Earliest Flight
    Latest Flight
  • Alaska
    2
    1
    2
    2
    2
    1
    1
    9:40 AM
    10:05 PM
  • JetBlue
    2
    1
    1
    2
    2
    1
    2
    2:20 PM
    11:13 PM

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$198
Virgin America, American, Delta, United, Alaska, US Airways, Hawaiian, Frontier
$158
Virgin America, American, Alaska, Delta, United, US Airways
$138
United, Alaska, Delta, US Airways, Sun Ctry, JetBlue, Frontier, Virgin America, AirTran, American
$252
Delta, Alaska, US Airways, American, Sun Ctry, United, Frontier, AirTran, Virgin America
$218
Delta, Alaska, United, US Airways, American, Sun Ctry, Frontier
$239
AirTran, Virgin America, Frontier, US Airways, American, Alaska, United, Sun Ctry, JetBlue
$298
United, Delta, US Airways, Alaska, Frontier, AirTran, American
$298
United, Alaska, American, Sun Ctry, Frontier, Virgin America, Delta, US Airways
$210
United, Frontier, Delta, Alaska, American, US Airways, Sun Ctry
$238
United, Sun Ctry, US Airways, American, Delta, Alaska
$293
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$169
Hawaiian, AirTran, United, Delta, Alaska, US Airways, Sun Ctry, JetBlue, Frontier, American, Virgin America
$261
Delta, American, US Airways, Frontier, AirTran, United, Alaska
$253
AirTran, Alaska, United, Delta, US Airways, American, JetBlue, Frontier, Virgin America
$282
Delta, United, Alaska, JetBlue
$242
Delta, American, United, Alaska, Hawaiian, US Airways
$535
AirTran, American, Alaska, United, Frontier, JetBlue, US Airways, Sun Ctry, Delta
$272
Delta, United, Virgin America, US Airways, American, Alaska, AirTran, JetBlue
$211
Alaska, United, Virgin America, Delta, Frontier, US Airways
$198
US Airways, Virgin America, Alaska, Delta, American
$138
US Airways, Alaska, United, Frontier, AirTran, American, Delta
$237
Alaska, AirTran, American, Frontier, United, US Airways, Delta
$218
American, United, Delta, Alaska, US Airways, Frontier
$118
Hawaiian, Delta, US Airways, United, American, Alaska
$448
Delta, US Airways, American, Hawaiian, United, Alaska
$369
Frontier, US Airways, Alaska, United, Delta
$198
Alaska, AirTran, JetBlue, American, US Airways, Delta, United
$247
US Airways, United, Alaska, American, Delta
$176
Alaska, United, Delta, US Airways, American, AirTran, Frontier
$264
US Airways, Alaska, American, Frontier, United, Delta
$233
US Airways, Alaska, JetBlue, American, United, Delta
$201
Frontier, AirTran, American, US Airways, Delta, Alaska, United
$239
AirTran, American, Alaska, Delta, United, US Airways
$218
Alaska, Hawaiian, American, US Airways, Delta, United
$340
Delta, United, US Airways, Frontier, AirTran, American, Alaska
$253
Virgin America, JetBlue, US Airways, American, United, Delta, Alaska
$239
American, Alaska, United, Delta, US Airways
$178
US Airways, Delta, Alaska, United
$218
American, Delta, Alaska, US Airways, Hawaiian
$138
Alaska, United, Delta, Frontier, US Airways, American
$208
US Airways, American, United, Delta, Alaska
$180
Alaska, American, US Airways, United, Delta
$178
Alaska
$138
Alaska, Delta, JetBlue, American, US Airways
$158
Cheap Flights from Seattle to Boston, from $298 Round trip from SEA to BOS