Best Flights starting from $256
from$256economy
San Antonio (SAT)
Tue, Mar 31
Roundtrip
Ontario (ONT)
Sat, Apr 4
from$295economy
San Antonio (SAT)
Sun, Mar 29
Roundtrip
Ontario (ONT)
Thu, Apr 2
from$295economy
San Antonio (SAT)
Mon, Mar 30
Roundtrip
Ontario (ONT)
Fri, Apr 3
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Other Options for This Route
Other Destinations
San Antonio (SAT) to Detroit (DTW) in March from $82
From $82
San Antonio (SAT) to Tampa (TPA) in March from $89
From $89
San Antonio (SAT) to Indianapolis (IND) in March from $96
From $96
San Antonio (SAT) to San Diego (Any) in March from $127
From $127
San Antonio (SAT) to Las Vegas (LAS) in March from $148
From $148
San Antonio (SAT) to Los Angeles (LAX) in March from $166
From $166
Flights from Other Cities
Cleveland (CLE) to Ontario (ONT) in March from $106
From $106
Denver (Any) to Ontario (ONT) in March from $185
From $185
Salt Lake City (SLC) to Ontario (ONT) in March from $195
From $195
Oklahoma City (OKC) to Ontario (ONT) in March from $208
From $208
Tucson (TUS) to Ontario (ONT) in March from $243
From $243
Indianapolis (IND) to Ontario (ONT) in March from $271
From $271
✈️ Flight Guide: San Antonio (SAT) → Ontario (ONT)
Complete travel information for your March journey
Departing from San Antonio (SAT) FAQs
Ontario International Airport (ONT) is served by multiple carriers offering economy and budget fares, including Southwest Airlines, Alaska Airlines, American Airlines, Delta Air Lines, and United Airlines. For the lowest economy fares, monitor Southwest and Alaska sales and compare prices on flight aggregators and airline sites. Use fare alerts and flexible dates to catch limited-time deals.
To find the cheapest economy flights from Ontario International Airport (ONT) to Las Vegas in July, book 6–10 weeks ahead and be flexible with midweek travel days (Tuesdays and Wednesdays). Use price comparison tools, set fare alerts for ONT–LAS, and check Southwest and discount aggregators for special summer promotions. Consider early-morning or late-night departures to secure lower-priced seats.
Peak travel months at Ontario International Airport (ONT) typically include summer (June–August), holiday periods (mid-December to early January), and spring break weeks. During these times, demand drives up economy fares and seat restrictions increase, so book earlier and use flexible-date searches to find cheaper alternatives. Consider traveling in shoulder seasons like late September or February for lower fares.
Yes, you can find budget-friendly economy itineraries from Ontario International Airport (ONT) to New York City (JFK/LGA) via one-stop options on major carriers like American, Delta, and United. Connecting through hub cities such as Phoenix, Denver, or Las Vegas often lowers the fare compared with nonstop options from nearby LA-area airports. Compare multi-airline itineraries and factor in layover time when choosing the cheapest route.
For budget-minded travelers heading to Ontario International Airport (ONT), consider regional public transit (Metrolink/Omnitrans), shared shuttles, or rideshare pooling. Parking deals and Park & Fly lots around ONT can also reduce trip costs for longer stays. Booking airport shuttles in advance or using discounted ride-share coupons helps lower door-to-gate expenses.
In April, regional events such as Coachella (Indio) and spring college breaks increase demand in Southern California, which can raise economy fares from Ontario International Airport (ONT). To secure cheaper economy seats in April, book well in advance, travel on weekdays, or fly into nearby airports and transfer via shuttle or rental car. Monitoring event calendars helps you plan cost-effective travel.
Arriving at Ontario (ONT) FAQs
'Cheapest Economy Fare (ECONOMY)' indicates the most affordable economy-class ticket available for a specific route and date. These fares often come with stricter change/cancellation policies and limited or no seat selection. Always compare the total cost after fees and consider travel insurance if you need flexibility.
Popular, low-cost economy arrival destinations from Ontario International Airport (ONT) include Las Vegas (high-frequency low-cost routes), Phoenix, Denver, Chicago, New York City, and Orlando. Many budget-savvy travelers book ONT flights to these cities during shoulder seasons and use layovers or off-peak times to reduce fares.
Most cheapest economy fares do not include checked baggage and may limit carry-on options depending on the airline. Check each carrier’s baggage policy before booking and factor the total cost (fare + baggage) into your comparison to avoid surprises on arrival.
January is often one of the cheapest months for economy flights to New York City from Ontario International Airport (ONT). Set fare alerts, be flexible with dates, and consider one-stop itineraries via hubs like Denver or Phoenix to lower prices. Book when you spot a meaningful drop—typically 6–10 weeks before travel for best savings.
Spring break drives demand to warm destinations like Orlando, raising economy fares. To find cheaper arrivals from Ontario International Airport (ONT), travel outside peak spring break weeks, book well in advance, or fly midweek. Alternatively, look for flights into nearby Tampa or Miami with one-way transfers to Orlando.
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Events & Festivals Impacting Ontario (ONT) Economy Fares
Key events that affect economy fares from Ontario International Airport (ONT) include Coachella (April, Indio—raises Southern California demand), LA Marathon (March—affects LA-area traffic and fares), major conventions and trade shows in Las Vegas (year-round peaks), Comic-Con in San Diego (July), and Phoenix spring training (Feb–Mar). During these events, economy ticket prices can spike—book early or shift travel dates to weekdays to minimize costs. CTA: Check event calendars before booking and consider alternate airports or dates to find cheaper economy flights.
Best Time to Fly from Ontario International Airport (ONT) for Cheap Economy Fares
Best months for cheap economy travel from ONT are January, late September, and early November—shoulder seasons with lower demand. Book domestic economy flights 1–3 months ahead; for peak summer or holiday travel, 3–6 months is safer. Flying midweek (Tuesday–Thursday) and avoiding peak holiday windows typically yields the lowest fares. CTA: Use a flexible date calendar and sign up for alerts to be notified when prices dip in the best-booking windows.
Direct vs Connecting Flights from ONT — Economy Considerations
Connecting flights often lower the price of economy fares from Ontario International Airport (ONT), especially on long-haul routes, but they add travel time and increase the risk of missed connections. Direct flights provide convenience and predictable schedules but may carry a premium. For cheapest economy travel, consider one-stop itineraries through efficient hubs (PHX, LAS, DEN) with sufficient layover buffers; for tight schedules or weekend trips, a direct flight may be worth the extra cost. CTA: When searching for cheap economy fares, compare total door-to-door time and baggage fees before booking.
Airline Comparison for Economy Travelers from Ontario International Airport (ONT)
Southwest Airlines: Often offers competitive economy fares with two free checked bags and flexible change policies—excellent for budget travelers. Alaska Airlines: Strong West Coast network and frequent sales; bag fees may apply depending on fare class. American, Delta, United: Offer broad domestic and connecting networks; basic economy fares are usually the cheapest but come with stricter rules and baggage fees. For the cheapest economy option, compare total trip costs including baggage and seat fees, and sign up for airline newsletters for targeted promo codes. CTA: Compare airlines for your ONT route now and include baggage fees to find the true cheapest economy fare.
Seasonal Tips for Cheap Economy Travel from ONT
Winter: Book early for holiday travel; use carry-on only to avoid checked bag fees when possible. Spring: Avoid peak spring-break weeks to find cheaper economy fares; consider traveling in late March or early April. Summer: Secure economy seats months in advance and fly midweek to save; consider one-stop options via Phoenix or Denver. Fall: September and October offer great economy deals—be flexible and use fare calendars. CTA: Apply these seasonal tips when searching for economy flights from Ontario International Airport (ONT) to reduce total travel costs.
Flight Times & Typical Schedules from Ontario International Airport (ONT)
Typical economy flight durations from Ontario International Airport (ONT): Los Angeles area/local hops (LAX region) 20–40 minutes by air or 30–90 minutes including ground transfer; Las Vegas ~1 hour 10 minutes nonstop; Phoenix ~1 hour 15 minutes; Denver ~2 hours 20 minutes nonstop; Chicago ~4 hours 15 minutes nonstop (if available); New York City (via one-stop) 5–7+ hours total depending on connection. Schedules: high-frequency routes like ONT–LAS often have multiple daily departures; transcontinental economy flights may be once or twice daily depending on season. For the cheapest economy options, choose off-peak departure times (early morning or late evening). CTA: Check updated airline schedules from ONT and set a preferred time filter to find the most budget-friendly economy flights.
Cheap Flights from Ontario International Airport (ONT) — Economy Strategies
To secure cheap economy flights from Ontario International Airport (ONT), combine flexible travel dates with fare alerts and multi-source comparisons. Search for midweek departures, consider red-eye or early-morning flights, and compare nonstop versus one-stop itineraries via hubs like Phoenix or Denver. Book 1–3 months in advance for domestic economy routes and 2–6 months for longer itineraries. Use location-based filters (e.g., ONT to Las Vegas, ONT to Phoenix) and check airline newsletters for promo codes and flash sales. CTA: Sign up for fare alerts and compare economy deals from ONT today to lock in the lowest price.