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

BUF Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 23 1-stop flights
No nonstop service between BUF and SEA. Nearest airports to BUF with scheduled service: Toronto Pearson International Airport (YYZ, 68 mi) · Niagara Falls International Airport (IAG, 16 mi) · Niagara District Airport (YCM, 28 mi)
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 10 hubs
DTW Detroit 6h 56m AAAFAM AFASAY Detroit (DTW) to Seattle flights
MDW Chicago 7h 15m WN WN Chicago (MDW) to Seattle flights
DEN Denver 7h 15m EJAUAWN 8CAFAS Denver (DEN) to Seattle flights
MSP Minneapolis 7h 17m DLVS AFAMAS Minneapolis (MSP) to Seattle flights
ORD Chicago 7h 33m 5XAAAC AAASAV Chicago (ORD) to Seattle flights
BWI Baltimore 7h 45m WN ASAYWN Baltimore (BWI) to Seattle flights
IAD Dulles 8h 10m AVCMSN ASAVAY Dulles (IAD) to Seattle flights
DCA Washington 8h 13m AAAS ASAYDL Washington (DCA) to Seattle flights
ATL Atlanta 8h 16m AFAMDL AFAMAS Atlanta (ATL) to Seattle flights
LAS Las Vegas 8h 18m WN AFAMAS Las Vegas (LAS) to Seattle flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Buffalo to Seattle
Connecting service available through multiple hubs.
-3h behind

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

Connection Landscape

1-stop and 2-stop options for BUF to SEA.
1-STOP
One-Stop Connections
23
Hubs
~6h
Fastest
~18h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,649
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
BUF → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
84%
Return
SEA → BUF
63%
Moderate delays possible. Allow buffer time.
Departing
63%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BUF delays → SEA delays →

Other ways to reach Seattle from Buffalo

Nearby airports with service to Seattle–Tacoma International Airport.
Metric BUF→SEA YHM→SEA YYZ→SEA
Distance from BUF 63 mi 68 mi
Nonstop airlines 1 5
Weekly flights 27
Departure OTP 100%
Airports within 200 miles of BUF with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Seattle is 3 hours behind Buffalo.
BUF: EDT · SEA: PDT

When it's 6:00 PM in Buffalo, it's 3:00 PM in Seattle.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

BUF–SEA Quick Facts

Key statistics for the Buffalo to Seattle route.
Route details
Time difference-3 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: BUF
IATA / ICAOBUF / KBUF
TimezoneAmerica/New_York
Passengers/yr5.0M
Elevation728 ft / 222 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr50.8M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about BUF to SEA flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Detroit Metropolitan Wayne County, Chicago Midway and Denver.
On a single ticket, yes. Your bags are checked through to SEA and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Seattle is 3 hours behind Buffalo.
Nearby alternatives include YHM and YYZ. See the Alternatives section for a full comparison.
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 Detroit Metropolitan Wayne County, Chicago Midway and Denver. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Hamilton (YHM) and Toronto (YYZ).