Toronto to Seattle (YYZ–BFI) — Airlines, Schedules & Connections

YYZ Airport Page →
2,054 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 10 1-stop flights Verified 4w ago
Also flown by charter / private operators.
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
SLC Salt Lake City 8h 50m ACDLWS → EJAPXTUA Salt Lake City (SLC) to Seattle flights
LAX Los Angeles 9h 15m ACNHNZ → UA Los Angeles (LAX) to Seattle flights
YEG Edmonton ~6h 20m ACAFAV → Edmonton (YEG) to Seattle flights
YYJ Victoria ~7h 18m ACAVHRT → Victoria (YYJ) to Seattle flights
RDU Raleigh/Durham ~8h 30m ACASPTP → Raleigh/Durham (RDU) to Seattle flights
SBA Santa Barbara ~9h 3m AC → UA Santa Barbara (SBA) to Seattle flights
ATL Atlanta ~9h 15m ACAMDL → Atlanta (ATL) to Seattle flights
JFK New York ~9h 18m AFAMCI → DL New York (JFK) to Seattle flights
LGB Long Beach ~9h 50m → UA Long Beach (LGB) to Seattle flights
TPA Tampa ~10h 7m ACWS → Tampa (TPA) to Seattle flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Toronto to Seattle
Connecting service available through multiple hubs.
2,054 mi 4h 39m nonstop -3h behind

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

Also explore YYZ Routes BFI Routes YYZ Live Flights BFI Live Flights YYZ Delays
All flights from Seattle (BFI) Seattle to Toronto flights
Connections

Connection Landscape

1-stop and 2-stop options for YYZ to BFI.
1-STOP
One-Stop Connections
10
Hubs
~6h
Fastest
~10h
Longest
YEG ~6h 20m YYJ ~7h 18m RDU ~8h 30m SLC ~8h 50m SBA ~9h 3m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
134
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
YYZ → BFI
55%
Frequent delays expected. Consider flexible booking.
Departing
55%
Return
BFI → YYZ
60%
Moderate delays possible. Allow buffer time.
Arriving
60%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. YYZ delays →
Alternatives

Other ways to reach Seattle from Toronto

Nearby airports with service to King County International Airport - Boeing Field.
Metric YYZ→BFI BUF→BFI
Distance from YYZ – 68 mi
Nonstop airlines – 1
Weekly flights – –
Flight time 4h 39m 4h 58m
Departure OTP 55% –
Buffalo (BUF) to Seattle flights
Airports within 200 miles of YYZ with service to King County International Airport - Boeing Field.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Seattle is 3 hours behind Toronto.
YYZ: EDT · BFI: PDT

When it's 6:00 PM in Toronto, it's 3:00 PM in Seattle.
Distance & Flight Time
2,054 mi / 3,305 km
Nonstop flight time is approximately 4h 39m gate to gate.
Visa & Entry

Canadian citizens do not need a visa or ESTA to enter the United States for tourism or business stays up to 6 months. A valid Canadian passport is required for air travel. Land and sea crossings also accept a NEXUS card, enhanced driver's license, or FAST card. At the border, officers determine the length of stay and may ask for proof of ties to Canada and a return plan.

Verify entry requirements with official sources before travel.
Getting to YYZ

The UP Express train runs from Union Station (downtown Toronto) to Terminal 1 in 25 minutes (CAD $12.35). Trains depart every 15 minutes during peak hours, every 30 minutes off-peak and overnight. Highway 427 and the 401 are heavily congested during rush hours.

Taxis and ride-hail from downtown cost CAD $50–70 and take 25–60 minutes depending on traffic. MiWay and Brampton Transit buses serve the airport from the western suburbs. Long-term parking is available in the Viscount Road lots with free shuttle service.

Facts

YYZ–BFI Quick Facts

Key statistics for the Toronto to Seattle route.
Route details
Distance2,054 mi / 3,305 km
Flight time4h 39m
Time difference-3 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: YYZ
Full nameToronto Pearson International Airport
IATA / ICAOYYZ / CYYZ
TimezoneAmerica/Toronto
Passengers/yr46.8M
Elevation569 ft / 173 m
Destination: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m
FAQ

Frequently Asked Questions

Common questions about YYZ to BFI flights.
Nonstop flights from Toronto Pearson International Airport to King County International Airport - Boeing Field take about 4h 39m gate to gate. The route covers 2,054 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Salt Lake City and Los Angeles.
Seattle is 3 hours behind Toronto.
Yes, return flights from BFI to YYZ are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BUF. 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.

Flights from YYZ to BFI

Toronto Pearson International Airport (YYZ) and King County International Airport - Boeing Field (BFI) are connected through multiple connecting hub airports.

YYZ to BFI Flight Duration and Schedule

Nonstop flight time from YYZ to BFI is about 4 hours 39 minutes gate to gate. The route covers a distance of 2,054 miles (3,305 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Salt Lake City and Los Angeles. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Buffalo (BUF).