Routes/Boston, MA (Metropolitan Area) to Seattle, WA
Boston, MA (Metropolitan Area) to Seattle, WA
Average one-way fare in 2026 Q1: $325 · 2496 nonstop miles · 905 passengers per day.
2026 Q1 fare$325
2025 Q1 fare$252
Change+$72
Passengers/day905
Distance2496 mi
The average fare a year earlier (2025 Q1) was $252. The change is $72 higher (28.7%).
The largest carrier on this route in 2026 Q1 was Delta with 47% of passengers. The lowest-fare carrier was Alaska with 44% of passengers, at an average fare of $309.
All routes from Boston, MA (Metropolitan Area) · All routes from Seattle, WA
All quarters on this route
| Quarter | Passengers/day | Avg. fare | Largest carrier | Largest share | Lowest-fare carrier |
|---|---|---|---|---|---|
| 2024 Q1 | 1042 | $262 | Delta | 40% | JetBlue |
| 2024 Q2 | 1798 | $334 | Alaska | 42% | Alaska |
| 2024 Q3 | 2159 | $352 | Alaska | 39% | JetBlue |
| 2024 Q4 | 1541 | $305 | Delta | 39% | JetBlue |
| 2025 Q1 | 1045 | $252 | Delta | 40% | JetBlue |
| 2025 Q2 | 1841 | $296 | Alaska | 36% | JetBlue |
| 2025 Q3 | 2184 | $312 | Alaska | 38% | JetBlue |
| 2025 Q4 | 1352 | $336 | Alaska | 43% | Alaska |
| 2026 Q1 | 905 | $325 | Delta | 47% | Alaska |