Chicago to Seattle (ORD–BFI) — Airlines, Schedules & Connections

ORD Airport Page →
1,716 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Flight Schedule No service Verified 1w ago
Also flown by charter / private operators: NetJets Aviation.
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 More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Chicago to Seattle
Connecting service available through multiple hubs.
2 Airlines 1,716 mi 4h 5m nonstop -2h behind

ORD–BFI had nonstop service from Sun Country Airlines and United Airlines, last on the schedule in September 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,716 miles in 4h 5m.

Also explore Browse available seat maps ORD Routes BFI Routes ORD Live Flights BFI Live Flights ORD Delays
All flights from Seattle (BFI) Seattle to Chicago flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop ORD–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
SY Sun Country Airlines 1 – – 93% – –
UA United Airlines 1 – – 93% Star Alliance –
Alliance coverage
Unaffiliated: SY (1 flights/wk, 50%)
Star Alliance: UA (1 flights/wk, 50%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for ORD to BFI.
1-STOP
One-Stop Connections
0
Hubs
–
Fastest
–
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
0
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
ORD → BFI
93%
Generally reliable. Most flights run on time.
Departing
93%
Return
BFI → ORD
97%
Generally reliable. Most flights run on time.
Arriving
97%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ORD delays →
Alternatives

Other ways to reach Seattle from Chicago

Nearby airports with service to King County International Airport - Boeing Field.
Metric ORD→BFI MDW→BFI RFD→BFI
Distance from ORD – 15 mi 63 mi
Nonstop airlines – 7 1
Weekly flights – 1 –
Flight time 4h 5m 3h 55m 3h 52m
Departure OTP 93% – –
Chicago (MDW) to Seattle flights · Chicago/Rockford (RFD) to Seattle flights · Milwaukee (MKE) to Seattle flights
Airports within 200 miles of ORD with service to King County International Airport - Boeing Field.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Seattle is 2 hours behind Chicago.
ORD: CDT · BFI: PDT

When it's 6:00 PM in Chicago, it's 4:00 PM in Seattle.
Distance & Flight Time
1,716 mi / 2,761 km
Nonstop flight time is approximately 4h 5m gate to gate.
Getting to ORD

CTA Blue Line runs 24/7 from downtown Loop stations to O'Hare (45 min, $5). Pace buses serve suburbs. Ride-shares cost $35–55 from downtown depending on traffic; add 30+ minutes during rush hour on the Kennedy Expressway.Economy parking lots E/F connect via ATS people mover. Terminal 5 (international) is separate from Terminals 1–3; allow extra time for inter-terminal transfers.

Facts

ORD–BFI Quick Facts

Key statistics for the Chicago to Seattle route.
Route details
Distance1,716 mi / 2,761 km
Flight time4h 5m
Time difference-2 hours
Airlines (nonstop)2
1-stop connectionsAvailable
Origin: ORD
Full nameChicago O'Hare International Airport
IATA / ICAOORD / KORD
TimezoneAmerica/Chicago
Passengers/yr80.0M
Elevation680 ft / 207 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 ORD to BFI flights.
Nonstop flights from Chicago O'Hare International Airport to King County International Airport - Boeing Field take about 4h 5m gate to gate. The route covers 1,716 miles.
2 airlines operated the nonstop from ORD to BFI: Sun Country Airlines and United Airlines. The last scheduled nonstop was in September 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in September 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 4h 5m.
Yes, 1-stop connections are available, ranked by layover time.
On a single ticket, yes. Your bags are checked through to BFI 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 2 hours behind Chicago.
Yes, return flights from BFI to ORD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include MDW, RFD and MKE. 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 ORD to BFI

Chicago O'Hare International Airport (ORD) and King County International Airport - Boeing Field (BFI) had nonstop service from Sun Country Airlines and United Airlines, last on the schedule in September 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

ORD to BFI Flight Duration and Schedule

Nonstop flight time from ORD to BFI is about 4 hours 5 minutes gate to gate. The route covers a distance of 1,716 miles (2,761 km).

Connecting Options and Alternatives

1-stop connecting options are also available. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (MDW), Chicago/Rockford (RFD) and Milwaukee (MKE).