Best Flights starting from $105
from$105economy
San Jose (Any)
Tue, Sep 29
One-way
Ontario (ONT)
—
from$155economy
San Jose (Any)
Wed, Sep 30
One-way
Ontario (ONT)
—
from$165economy
San Jose (Any)
Sat, Sep 26
One-way
Ontario (ONT)
—
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Other Options for This Route
Other Destinations
San Jose (Any) to Tampa (TPA) in September from $185
From $185
San Jose (Any) to Orlando (MCO) in September from $287
From $287
San Jose (Any) to Los Angeles (LAX) in October from $114
From $114
San Jose (Any) to San Antonio (SAT) in October from $170
From $170
San Jose (Any) to Las Vegas (Any) in October from $250
From $250
San Jose (Any) to Miami (MIA) in October from $405
From $405
Flights from Other Cities
Denver (Any) to Ontario (ONT) in September from $66
From $66
Cleveland (Any) to Ontario (ONT) in September from $148
From $148
Dallas (DFW) to Ontario (ONT) in September from $158
From $158
Chicago (ORD) to Ontario (ONT) in September from $199
From $199
Kansas City (MCI) to Ontario (ONT) in September from $210
From $210
Sacramento (SMF) to Ontario (ONT) in September from $211
From $211
✈️ Flight Guide: San Jose (Any) → Ontario (ONT)
Complete travel information for your September journey
Departing from San Jose (Any) FAQs
In September, several carriers operate the San Jose (All Airports) (SJCA) → Ontario International Airport (ONT) corridor, including major low-cost and legacy airlines. Expect daily service from budget carriers and limited regional flights from legacy carriers; schedules increase slightly on weekends. Check carrier websites and OTAs for the latest September flight frequencies and promos.
For domestic flights from San Jose (All Airports) (SJCA) to Ontario International Airport (ONT) in September, arrive 90 minutes before departure for check-in and security for carry-on only, and 2 hours if you have checked luggage or during peak morning/evening times. September can see moderate traffic with business travelers returning from summer, so factor in extra time for parking and shuttle transfers.
San Jose (All Airports) (SJCA) offers short- and long-term parking, off-site economy lots with shuttle service, and ride-share pickup zones—convenient if you’re flying to Ontario International Airport (ONT). In September, parking demand is moderate; pre-book airport parking to secure the best rates and quicker drop-off access.
Nonstop flights between San Jose (All Airports) (SJCA) and Ontario International Airport (ONT) typically last about 1 hour and 15 minutes to 1 hour and 30 minutes. Allow extra time for taxiing and potential air traffic delays, especially in September when late-summer weather or West Coast congestion can add minor variances.
In September, travel advisories at San Jose (All Airports) (SJCA) are typically limited to routine TSA rules and occasional construction-related changes to terminal access. Check your airline and the airport website 48–72 hours before travel for gate changes or short-term shuttle adjustments. Also monitor local weather and fire-related air quality advisories that may affect flight operations.
From San Jose (All Airports) (SJCA) you can easily access Silicon Valley hubs such as San Jose city center, Santa Clara, Sunnyvale, Mountain View, Palo Alto, and nearby San Francisco and Oakland for broader connections. These cities are useful for travelers starting their trip to Ontario International Airport (ONT) and for combining a Bay Area stay before flying south.
Arriving at Ontario (ONT) FAQs
Ontario International Airport (ONT) offers rental cars, regional shuttles, ride-share pickup zones, taxis, and public transit connections in September. Service levels are consistent year-round, but during busy travel periods like holiday weekends, pre-book car rentals and check shuttle schedules to avoid waits.
September usually brings moderate passenger volumes to Ontario International Airport (ONT) as summer travel winds down and business travel picks up, so delays are less frequent than peak summer months. However, expect occasional delays related to weather or regional air traffic; allow extra connection time if flying on high-traffic days in September.
From Ontario International Airport (ONT) you can easily reach Los Angeles, Anaheim (Disneyland), Riverside, San Bernardino, and Orange County cities like Santa Ana. ONT is a convenient entry point for Inland Empire attractions, theme parks, and Los Angeles-area business centers, especially in September when crowds are lower than summer peak.
When arriving at Ontario International Airport (ONT) in September, plan for streamlined baggage claim and off-site parking shuttles; mid-week arrivals often experience shorter lines. Consider pre-booking rental cars and checking ride-share app pickup points to expedite onward travel to Los Angeles, Anaheim, or Riverside.
Ontario International Airport (ONT) connects to regional bus services and the Metrolink commuter rail via shuttle or local transit; schedules are generally stable in September. For last-mile connections to Los Angeles and Riverside areas, check Metrolink timetables and local bus services in advance to coordinate with your flight arrival time.
Yes — September often offers discounted rates at hotels near Ontario International Airport (ONT) as the summer tourist peak ends. Look for mid-week promotions, package deals with rental cars, and advance-purchase discounts. Use hotel booking engines and the airport’s hotel shuttle listings to compare options near ONT, Los Angeles suburb locations, and Anaheim for theme-park travelers.
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