Flights from Boston to Seattle
BOSSEA
Boston Logan International Airport (Boston, United States) → Seattle–Tacoma International Airport (Seattle, United States)
- Nonstop
- 6h 18m
- Distance
- 4,006 km
- Frequency
- 7×/week
- One-way from
- $157
- Airlines
- Alaska Airlines, Delta Air Lines, JetBlue Airways
Fares by month
One-way, per personLowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.
Weekly schedule
Monday
- AS45907:13→10:396h 26mAlaska Airlines
- DL38407:55→11:206h 25mDelta Air Lines
- AS21509:03→12:276h 24mAlaska Airlines
- DL33210:50→14:126h 22mDelta Air Lines
- AS25718:20→21:446h 24mAlaska Airlines
- DL79718:42→22:056h 23mDelta Air Lines
Tuesday
- AS45907:13→10:396h 26mAlaska Airlines
- DL38407:55→11:206h 25mDelta Air Lines
- AS21509:03→12:276h 24mAlaska Airlines
- DL33210:50→14:126h 22mDelta Air Lines
- AS25717:44→21:086h 24mAlaska Airlines
- DL79717:55→21:206h 25mDelta Air Lines
Wednesday
- AS45907:13→10:396h 26mAlaska Airlines
- DL38407:55→11:206h 25mDelta Air Lines
- AS21509:03→12:276h 24mAlaska Airlines
- DL33210:50→14:126h 22mDelta Air Lines
- AS25717:44→21:086h 24mAlaska Airlines
- DL79717:55→21:206h 25mDelta Air Lines
Thursday
- AS45907:13→10:396h 26mAlaska Airlines
- DL38407:55→11:206h 25mDelta Air Lines
- AS21509:03→12:276h 24mAlaska Airlines
- DL33210:50→14:126h 22mDelta Air Lines
- AS25718:20→21:446h 24mAlaska Airlines
- DL79718:42→22:056h 23mDelta Air Lines
Friday
- AS45907:13→10:396h 26mAlaska Airlines
- DL38407:55→11:206h 25mDelta Air Lines
- AS21509:03→12:276h 24mAlaska Airlines
- DL33210:50→14:126h 22mDelta Air Lines
- AS25718:20→21:446h 24mAlaska Airlines
- DL79718:42→22:056h 23mDelta Air Lines
Saturday
- AS45907:13→10:396h 26mAlaska Airlines
- DL38407:55→11:206h 25mDelta Air Lines
- AS21509:03→12:276h 24mAlaska Airlines
- DL33210:50→14:126h 22mDelta Air Lines
- AS25716:33→19:596h 26mAlaska Airlines
- DL79718:42→22:056h 23mDelta Air Lines
Sunday
- AS45907:13→10:396h 26mAlaska Airlines
- DL38407:55→11:206h 25mDelta Air Lines
- AS21509:03→12:276h 24mAlaska Airlines
- DL33210:50→14:126h 22mDelta Air Lines
- DL288915:47→19:056h 18mDelta Air Lines
- AS25718:20→21:446h 24mAlaska Airlines
- DL79719:25→22:496h 24mDelta Air Lines
Boston to Seattle — frequently asked
- How long is the flight from Boston to Seattle?
- BOS–SEA is 6h 18m nonstop, covering 4,006 km (2,489 mi).
- Which airlines fly nonstop from Boston to Seattle?
- Alaska Airlines, Delta Air Lines, JetBlue Airways operate this route nonstop.
- How much is a flight from Boston to Seattle?
- One-way fares on BOS–SEA recently started from $157 ($166 nonstop). The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
- How often do flights run from Boston to Seattle?
- The route is served 7 days a week (43 scheduled departures).