Louisville to Ontario (SDF–ONT) — Airlines, Schedules & Connections

SDF Airport Page →
1,792 mi airlines 2/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 37 1-stop flights Verified 27m 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
Louisville to Ontario
Connecting service available through multiple hubs.
2 Flights/wk 1,792 mi 3h 36m nonstop -3h behind 37 1-stop hubs

While no nonstop service exists between SDF and ONT, connecting options are available through 37 hubs.

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

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SDF to ONT.
1-STOP
One-Stop Connections
37
Hubs
~5h
Fastest
~25h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
973
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.
Alternatives

Other ways to reach Ontario from Louisville

Nearby airports with service to Ontario International Airport.
Metric SDF→ONT LEX→ONT CVG→ONT
Distance from SDF – 62 mi 84 mi
Nonstop airlines 0 1 3
Weekly flights 2 – 4
Flight time 3h 36m 4h 14m 4h 39m
Departure OTP 86% – –
Lexington (LEX) to Ontario flights · Cincinnati / Covington (CVG) to Ontario flights · Indianapolis (IND) to Ontario flights
Airports within 200 miles of SDF with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Ontario is 3 hours behind Louisville.
SDF: EDT · ONT: PDT

When it's 6:00 PM in Louisville, it's 3:00 PM in Ontario.
Distance & Flight Time
1,792 mi / 2,884 km
Nonstop flight time is approximately 3h 36m to 3h 59m.
Facts

SDF–ONT Quick Facts

Key statistics for the Louisville to Ontario route.
Route details
Distance1,792 mi / 2,884 km
Flight time3h 36m to 3h 59m
Time difference-3 hours
Airlines (nonstop)0
Weekly flights2 out / 2 return
1-stop connections37 hubs
Origin: SDF
Full nameLouisville Muhammad Ali International Airport
IATA / ICAOSDF / KSDF
TimezoneAmerica/New_York
Passengers/yr4.7M
Elevation501 ft / 153 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about SDF to ONT flights.
Nonstop flights from Louisville Muhammad Ali International Airport to Ontario International Airport take approximately 3h 36m to 3h 59m. The route covers 1,792 miles.
There are approximately 2 nonstop flights per week from SDF to ONT. The return direction has about 2 weekly flights.
Yes, 1-stop connections are available through VNY, MEM, BUR, BOI, OAK, STS, MSP, SJC, MDW, PDX, MCO, YUL, MLB, PBI, PHL, EWR, FLL, BOS, MIA, JFK, ANC, ATL, LAS, ORD, HNL, CLT, BNA, IAH, PHX, DFW, DEN, SLC, SFO, AUS, HOU, BWI and DAL. These options provide additional schedule flexibility.
Ontario is 3 hours behind Louisville.
Yes, return flights from ONT to SDF are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include LEX, CVG and IND. 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 SDF to ONT

Louisville Muhammad Ali International Airport (SDF) and Ontario International Airport (ONT) are connected through multiple connecting hub airports.

SDF to ONT Flight Duration and Schedule

Nonstop flight time from SDF to ONT ranges from 3 hours 36 minutes to 3 hours 59 minutes. The route covers a distance of 1,792 miles (2,884 km). There are approximately 2 weekly flights outbound and 2 return, totaling 4 flights per week in both directions.

Connecting Options and Alternatives

37 one-stop connections are available, with the fastest taking approximately 5 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Lexington (LEX), Cincinnati / Covington (CVG) and Indianapolis (IND).