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Louisville International Airport to Ontario International Airport flight
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Cheap Flights from Louisville International Airport to Ontario International Airport

Search for flights from Louisville to Los Angeles and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
      • SDF11:15 am
        15h 32m
        1 stop
        ONT11:47 pm
        Louisville - Ontario|Wed, Jan 22|Southwest Airlines
        $167$259
        36% OFF
        36% OFF
        $259$167

        Choose Southwest Airlines flights from Louisville to Ontario. The one-way connecting flight with Southwest Airlines departs from Louisville International Airport on Wed, Jan 22, arriving at Ontario International Airport. One-way Prices start from $167 including taxes and charges.

      • SDF07:05 am
        7h 45m
        1 stop
        ONT11:50 am
        Louisville - Ontario|Sat, Jan 11|Delta Air Lines
        $168$259
        35% OFF
        35% OFF
        $259$168

        Choose Delta Air Lines flights from Louisville to Ontario. The one-way connecting flight with Delta Air Lines departs from Louisville International Airport on Sat, Jan 11, arriving at Ontario International Airport. One-way Prices start from $168 including taxes and charges.

      • SDF07:05 am
        7h 45m
        1 stop
        ONT11:50 am
        Louisville - Ontario|Sat, Jan 25|Delta Air Lines
        $168$259
        35% OFF
        35% OFF
        $259$168

        Choose Delta Air Lines flights from Louisville to Ontario. The one-way connecting flight with Delta Air Lines departs from Louisville International Airport on Sat, Jan 25, arriving at Ontario International Airport. One-way Prices start from $168 including taxes and charges.

      • SDF06:00 am
        8h 55m
        1 stop
        ONT11:55 am
        Louisville - Ontario|Wed, Jan 8|Delta Air Lines
        $170
        $170

        Choose Delta Air Lines flights from Louisville to Ontario. The one-way connecting flight with Delta Air Lines departs from Louisville International Airport on Wed, Jan 8, arriving at Ontario International Airport. One-way Prices start from $170 including taxes and charges.

      • SDF06:00 am
        8h 50m
        1 stop
        ONT11:50 am
        Louisville - Ontario|Sat, Jan 18|Delta Air Lines
        $173
        $173

        Choose Delta Air Lines flights from Louisville to Ontario. The one-way connecting flight with Delta Air Lines departs from Louisville International Airport on Sat, Jan 18, arriving at Ontario International Airport. One-way Prices start from $173 including taxes and charges.

      • SDF06:00 am
        8h 50m
        1 stop
        ONT11:50 am
        Louisville - Ontario|Wed, Jan 22|Delta Air Lines
        $174
        $174

        Choose Delta Air Lines flights from Louisville to Ontario. The one-way connecting flight with Delta Air Lines departs from Louisville International Airport on Wed, Jan 22, arriving at Ontario International Airport. One-way Prices start from $174 including taxes and charges.

      • SDF05:00 pm
        8h 52m
        1 stop
        ONT10:52 pm
        Louisville - Ontario|Tue, Mar 4|Delta Air Lines
        $174
        $174

        Choose Delta Air Lines flights from Louisville to Ontario. The one-way connecting flight with Delta Air Lines departs from Louisville International Airport on Tue, Mar 4, arriving at Ontario International Airport. One-way Prices start from $174 including taxes and charges.

      • SDF07:20 am
        7h 10m
        1 stop
        ONT11:30 am
        Louisville - Ontario|Tue, Mar 4|Southwest Airlines
        $175
        $175

        Choose Southwest Airlines flights from Louisville to Ontario. The one-way connecting flight with Southwest Airlines departs from Louisville International Airport on Tue, Mar 4, arriving at Ontario International Airport. One-way Prices start from $175 including taxes and charges.

      • SDF05:01 pm
        8h 51m
        1 stop
        ONT10:52 pm
        Louisville - Ontario|Sat, Feb 15|Delta Air Lines
        $175
        $175

        Choose Delta Air Lines flights from Louisville to Ontario. The one-way connecting flight with Delta Air Lines departs from Louisville International Airport on Sat, Feb 15, arriving at Ontario International Airport. One-way Prices start from $175 including taxes and charges.

      • SDF03:25 pm
        8h 45m
        1 stop
        ONT09:10 pm
        Louisville - Ontario|Tue, Jan 7|United Airlines
        $188
        $188

        Choose United Airlines flights from Louisville to Ontario. The one-way connecting flight with United Airlines departs from Louisville International Airport on Tue, Jan 7, arriving at Ontario International Airport. One-way Prices start from $188 including taxes and charges.

      • SDF01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Louisville - Los Angeles|Sun, Dec 29|Southwest Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Louisville International Airport to Ontario International Airport

See which airlines fly from Louisville to Los Angeles. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

American Airlines
From $115
Delta Air Lines
From $148
Allegiant Air
From $166
Southwest Airlines
From $167
United Airlines
From $188

Find more flights and airlines

Find Cheaper Flights from Louisville to Los Angeles

Explore other flights from Louisville to Los Angeles to find the best alternative options.

  • Cheapest
    Allegiant Air
    SDF
    09:37 pm
    19h 14m
    2 transfer
    LAX
    01:51 pm
    Louisville International Airport - Los Angeles International Airport
    Sun, Jan 12Allegiant Air
    $109
  • Allegiant Air
    SDF
    09:37 pm
    19h 14m
    2 transfer
    LAX
    01:51 pm
    Louisville International Airport - Los Angeles International Airport
    Sun, Jan 12Allegiant Air
    $109
    Find More Flights

Louisville International Airport to Ontario International Airport Flights Info

Flight distance2,886.51 km
Cheapest one-way ticket price$167

FAQs for Louisville International Airport to Ontario International Airport Flights

  • How long is a flight from Louisville International Airport to Ontario International Airport?

    It takes around 6 hours 5 minutes to fly from Louisville International Airport (SDF) to Ontario International Airport (ONT).

  • How many daily flights are there from Louisville International Airport (SDF) to Ontario International Airport (ONT)?

    There are around 1 daily flights from Louisville International Airport (SDF) to Ontario International Airport (ONT).

  • When are flight tickets from Louisville International Airport (SDF) to Ontario International Airport (ONT) the cheapest?

    Tickets cost around $378 in January, making it the cheapest month to book. Louisville International Airport (SDF) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Louisville International Airport (SDF) to Ontario International Airport (ONT) most expensive?

    The route from Louisville International Airport (SDF) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around $378 in January, the most expensive month to book this route.

  • What time does the earliest flight from Louisville International Airport to Ontario International Airport depart?

    The earliest flight departs from Louisville International Airport (SDF) at 06:10 and arrives in Ontario International Airport (ONT) at 13:00.

  • What is the transportation method from the main airport to downtown in Los Angeles?

    • The distance from Los Angeles International Airport to downtown is about 19 km. It takes about 30 minutes by taxi.
    • The distance from Ontario International Airport to downtown is about 59 km. It takes about 1 hour 10 minutes by taxi.

  • What's the closest airport to Ontario International Airport (ONT)?

    The closest airport to Ontario International Airport (ONT) is Chino Airport. The distance is around 9 km.

  • Which airline operates the most direct flights from Louisville International Airport (SDF) to Ontario International Airport (ONT)?

    Southwest Airlines is a very popular airline operating an average of 4 flights per month.

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