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San Diego International Airport to Ontario International Airport flight
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Cheap Flights from San Diego International Airport to Ontario International Airport

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

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • SAN11:34
        10h 23m
        1 stop
        ONT21:57
        San Diego - Ontario|Tue, May 7|Frontier Airlines
        $37$64
        42% OFF
        42% OFF
        $64$37
      • SAN08:34
        13h 35m
        1 stop
        ONT22:09
        San Diego - Ontario|Wed, May 15|Frontier Airlines
        $38$64
        41% OFF
        41% OFF
        $64$38
      • SAN08:34
        13h 23m
        1 stop
        ONT21:57
        San Diego - Ontario|Wed, May 1|Frontier Airlines
        $38$64
        40% OFF
        40% OFF
        $64$38
      • SAN08:34
        13h 23m
        1 stop
        ONT21:57
        San Diego - Ontario|Wed, May 8|Frontier Airlines
        $39
        $39
      • SAN11:34
        10h 23m
        1 stop
        ONT21:57
        San Diego - Ontario|Tue, May 14|Frontier Airlines
        $39
        $39
      • SAN08:44
        13h 14m
        1 stop
        ONT21:58
        San Diego - Ontario|Sat, May 11|Frontier Airlines
        $40
        $40
      • SAN11:13
        10h 44m
        1 stop
        ONT21:57
        San Diego - Ontario|Wed, May 8|Spirit Airlines
        $41
        $41
      • SAN08:44
        13h 15m
        1 stop
        ONT21:59
        San Diego - Ontario|Fri, May 10|Frontier Airlines
        $44
        $44
      • SAN08:44
        13h 13m
        1 stop
        ONT21:57
        San Diego - Ontario|Mon, May 13|Frontier Airlines
        $44
        $44
      • SAN11:04
        5h 36m
        1 stop
        ONT16:40
        San Diego - Ontario|Tue, May 28|Frontier Airlines
        $47
        $47
      • SAN13:00
        3h 5m
        Direct
        ONT14:00
        San Diego - Los Angeles|Tue, May 7|Frontier 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 San Diego International Airport to Ontario International Airport

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

Frontier Airlines
From $37
Spirit Airlines
From $41
Alaska Airlines
From $69
United Airlines
From $101
American Airlines
From $113
Delta Air Lines
From $122
Southwest Airlines
From $131
ANA airlines
Find more flights and airlines

Find Cheaper Flights from San Diego to Los Angeles

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

  • Cheapest
    Spirit Airlines
    SAN
    14:38
    7h 14m
    1 transfer
    LAX
    21:52
    San Diego International Airport - Los Angeles International Airport
    Wed, May 15Spirit Airlines
    $33
  • Spirit Airlines
    SAN
    14:38
    7h 14m
    1 transfer
    LAX
    21:52
    San Diego International Airport - Los Angeles International Airport
    Wed, May 15Spirit Airlines
    $33
    Find More Flights

San Diego International Airport to Ontario International Airport Flights Info

Flight distance152.52km
Cheapest one-way ticket price$37
Cheapest return ticket price$103

FAQs for San Diego International Airport to Ontario International Airport Flights

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

    It takes around 46 minutes to fly from San Diego International Airport (SAN) to Ontario International Airport (ONT).

  • How many daily flights are there from San Diego International Airport (SAN) to Ontario International Airport (ONT)?

    There are around 2 daily flights from San Diego International Airport (SAN) to Ontario International Airport (ONT).

  • When are flight tickets from San Diego International Airport (SAN) to Ontario International Airport (ONT) the cheapest?

    Tickets cost around $1,414 in January, making it the cheapest month to book. San Diego International Airport (SAN) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from San Diego International Airport (SAN) to Ontario International Airport (ONT) most expensive?

    The route from San Diego International Airport (SAN) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around $1,414 in January, the most expensive month to book this route.

  • 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 19km. It takes about 30 minutes by taxi.
    • The distance from Ontario International Airport to downtown is about 59km. 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 9km.

  • Which airline operates the most direct flights from San Diego International Airport (SAN) to Ontario International Airport (ONT)?

    Hopscotch Air is a very popular airline operating an average of 4 flights per month.

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