Back to CalculatorRoute ID: BOS-SEA
Flight Distance from Boston (BOS) to Seattle (SEA)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
BOSKBOS
Boston, United States
Boston Logan International Airport
Great Circle Path
4,006 km2,489 miles • 2,163 NM
Destination Airport
KSEASEA
Seattle, United States
Seattle–Tacoma International Airport
Direct Distance
4,006 km
2,489 Statute Miles
2,163 Nautical Miles
Commercial Flight
5h 13m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
361 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
296° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
5h 13m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
4h 51m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
8h 12m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🇺🇸 United States
Allowed Stay365 days
Passport Validity Required0 months
💡 Official Note: Freedom of movement within home country.
This information is provided for general guidance only and does not replace official verification with an embassy, consulate, or the IATA Travel Centre before you travel.
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Flight Path & Geodetic Arc Map
Great Circle Flight Arc Path
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Departure Airport Specs
Boston Logan International Airport (BOS)
- City / Country: Boston, United States
- ICAO Code: KBOS
- Coordinates: 42.3620°, -71.0079°
- Timezone: America/New_York
- Elevation: 20 ft
Arrival Airport Specs
Seattle–Tacoma International Airport (SEA)
- City / Country: Seattle, United States
- ICAO Code: KSEA
- Coordinates: 47.4479°, -122.3103°
- Timezone: America/Los_Angeles
- Elevation: 433 ft
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