Seattle to Louisville (BFI–SDF) — Airlines, Schedules & Connections

BFI Airport Page →
1,941 mi airlines 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 45 1-stop flights Verified 1h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Seattle to Louisville
Connecting service available through multiple hubs.
1 Flights/wk 1,941 mi 4h nonstop +3h ahead 45 1-stop hubs

While no nonstop service exists between BFI and SDF, connecting options are available through 45 hubs.

Also explore BFI Routes SDF Routes BFI Live Flights SDF Live Flights SDF Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BFI to SDF.
1-STOP
One-Stop Connections
45
Hubs
~5h
Fastest
~32h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
228
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.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Seattle, it's 9:00 PM in Louisville.
Distance & Flight Time
1,941 mi / 3,123 km
Nonstop flight time is approximately 4h 0m.
Facts

BFI–SDF Quick Facts

Key statistics for the Seattle to Louisville route.
Route details
Distance1,941 mi / 3,123 km
Flight time4h
Time difference+3 hours
Airlines (nonstop)0
Weekly flights1 out
1-stop connections45 hubs
Origin: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m
Destination: SDF
Full nameLouisville Muhammad Ali International Airport
IATA / ICAOSDF / KSDF
TimezoneAmerica/New_York
Passengers/yr4.7M
Elevation501 ft / 153 m
FAQ

Frequently Asked Questions

Common questions about BFI to SDF flights.
Nonstop flights from King County International Airport - Boeing Field to Louisville Muhammad Ali International Airport take approximately 4h. The route covers 1,941 miles.
There are approximately 1 nonstop flights per week from BFI to SDF.
Yes, 1-stop connections are available through BOI, APA, SLC, PDX, BNA, MSP, PWK, DAL, SCF, SNA, SUN, OAK, SJC, LAS, YVR, AUS, YYZ, PHX, IAD, SAN, SFO, ORD, HOU, LAX, EWR, CHS, CLT, BWI, MCO, LGB, SAV, RIC, ATL, DCA, SRQ, IAH, FLL, DFW, MIA, PBI, TEB, BOS, ANC, DEN and HND. These options provide additional schedule flexibility.
Louisville is 3 hours ahead of Seattle.
Yes, return flights from SDF 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.

Flights from BFI to SDF

King County International Airport - Boeing Field (BFI) and Louisville Muhammad Ali International Airport (SDF) are connected through multiple connecting hub airports.

BFI to SDF Flight Duration and Schedule

Nonstop flight time from BFI to SDF ranges from 4 hours 0 minutes. The route covers a distance of 1,941 miles (3,123 km).

Connecting Options and Alternatives

45 one-stop connections are available, with the fastest taking approximately 5 hours via BOI. Two-stop connections are also available via intermediate hubs.