Boston to Seattle (BOS → SEA). We are tracking 7 fares on this route.
Cheapest tracked fare $152 · typical price $299 · you save about $147 (49%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
JetBlue
2026-10-01
Direct
$152
—
2026-09-30
1 stop
$167
—
2026-10-14
1 stop
$167
—
2026-11-07
1 stop
$174
American Airlines
2027-01-26
1 stop
$213
Southwest Airlines
2026-12-10
1 stop
$215
Alaska Airlines
2027-01-25
Direct
$218
Could you save more?
The airport you were going to fly from is often not the cheapest one. Compare every airport in a region against each other, or check whether a multi-day stopover beats the direct fare.
The cheapest fare we have tracked on this route is $152, compared with a typical $299 for a trip of this distance.
Is it cheaper to fly to Seattle from a different airport?
Often, yes. Fares out of secondary airports are frequently cheaper than the obvious hub, but they are the ones most likely to be missing from a normal search. Our reverse search compares every airport in a region against each other so the cheaper departure point is not hidden.
Could a stopover make Boston to Seattle cheaper?
Sometimes. On thin long-haul routes a two-leg trip with a multi-day stopover can beat the direct fare, and occasionally a direct fare is not sold at all. Our detour search prices those routings against the direct flight.