Seattle to Buffalo (BFI–BUF) — Airlines, Schedules & Connections

BFI Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 5 1-stop flights
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 5 hubs
DEN Denver 19h 27m EJAUA → UAWN Denver (DEN) to Buffalo flights
LAX Los Angeles 29h 58m EJAUA → B6 Los Angeles (LAX) to Buffalo flights
BWI Baltimore ~7h 46m → EJAWN Baltimore (BWI) to Buffalo flights
ORD Chicago ~8h 4m → AAACAS Chicago (ORD) to Buffalo flights
PHX Phoenix ~8h 40m WN → WN Phoenix (PHX) to Buffalo flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Seattle to Buffalo
Connecting service available through multiple hubs.
+3h ahead

While no nonstop service exists between BFI and BUF, 1-stop connecting options are available.

Also explore BFI Routes BUF Routes BFI Live Flights BUF Live Flights BUF Delays
All flights from Buffalo (BUF) Buffalo to Seattle flights
Connections

Connection Landscape

1-stop and 2-stop options for BFI to BUF.
1-STOP
One-Stop Connections
5
Hubs
~7h
Fastest
~29h
Longest
BWI ~7h 46m ORD ~8h 4m PHX ~8h 40m DEN ~19h 27m LAX ~29h 58m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
70
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
BFI → BUF
78%
Generally reliable. Most flights run on time.
Arriving
78%
Return
BUF → BFI
70%
Moderate delays possible. Allow buffer time.
Departing
70%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BUF delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+3h
Buffalo is 3 hours ahead of Seattle.
BFI: PDT · BUF: EDT

When it's 6:00 PM in Seattle, it's 9:00 PM in Buffalo.
Facts

BFI–BUF Quick Facts

Key statistics for the Seattle to Buffalo route.
Route details
Time difference+3 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m
Destination: BUF
Full nameBuffalo Niagara International Airport
IATA / ICAOBUF / KBUF
TimezoneAmerica/New_York
Passengers/yr5.0M
Elevation728 ft / 222 m
FAQ

Frequently Asked Questions

Common questions about BFI to BUF flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Denver and Los Angeles.
Buffalo is 3 hours ahead of Seattle.
Yes, return flights from BUF to BFI are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Denver and Los Angeles. Two-stop connections are also available via intermediate hubs.