Best Flights starting from $135
from$135economy
San Antonio (SAT)
Thu, Apr 2
One-way
Ontario (ONT)
—
from$141economy
San Antonio (SAT)
Fri, Apr 3
One-way
Ontario (ONT)
—
from$141economy
San Antonio (SAT)
Sat, Apr 4
One-way
Ontario (ONT)
—
from$186economy
San Antonio (SAT)
Wed, Apr 1
One-way
Ontario (ONT)
—
Fields updated — click View Prices to search ↑
Other Options for This Route
Other Destinations
San Antonio (SAT) to Atlanta (Any) in April from $69
From $69
San Antonio (SAT) to Portland (PDX) in April from $90
From $90
San Antonio (SAT) to Los Angeles (LAX) in April from $132
From $132
San Antonio (SAT) to Orlando (Any) in April from $135
From $135
San Antonio (SAT) to Las Vegas (LAS) in April from $168
From $168
San Antonio (SAT) to Philadelphia (PHL) in April from $190
From $190
Flights from Other Cities
San Francisco (SFO) to Ontario (ONT) in April from $59
From $59
Denver (Any) to Ontario (ONT) in April from $73
From $73
Portland (PDX) to Ontario (ONT) in April from $89
From $89
San Francisco (SFO) to Ontario (ONT) in April from $133
From $133
Phoenix (PHX) to Ontario (ONT) in April from $137
From $137
Dallas (DFW) to Ontario (ONT) in April from $177
From $177
✈️ Flight Guide: San Antonio (SAT) → Ontario (ONT)
Complete travel information for your April journey
Departing from San Antonio (SAT) FAQs
To find the cheapest economy flights from Ontario International Airport (ONT) this month, compare fares across multiple booking sites, set price alerts, and check low-cost carriers that serve ONT. Book 3–7 weeks in advance for domestic routes and be flexible with weekday departures to capture lower fares. Use keywords like "cheap ONT flights" and "economy airfare from ONT" when searching to surface relevant deals quickly.
Baggage allowances for economy tickets departing Ontario International Airport (ONT) differ by airline and fare class; basic economy often excludes checked bags and seat selection while standard economy may include a carry-on and one personal item. Always check the carrier's baggage policy before booking and compare total trip cost, including fees, to avoid surprises at the gate.
November often features post-summer fare dips and early Black Friday promotions for travelers flying from Ontario International Airport (ONT). Airlines and online travel agencies run targeted sales mid- to late-November; sign up for newsletters and fare alerts to catch limited-time economy deals for holiday travel.
From Ontario International Airport (ONT) you can easily reach major Southern California hubs and attractions including Los Angeles, San Diego, Anaheim (Disneyland), Riverside, San Bernardino, and Palm Springs. Many travelers use ONT as a lower-cost alternative to Los Angeles-area airports when visiting these top destinations.
Early morning and late-night (red-eye) departures from Ontario International Airport (ONT) often carry the lowest economy fares because they are less popular. Midweek flights, particularly Tuesdays and Wednesdays, also tend to be cheaper than weekend travel. Use flexible date search tools to identify the lowest-priced departure windows.
Last-minute cheap economy seats from Ontario International Airport (ONT) are possible but less common; airlines sometimes discount unsold seats within 7 days of departure, especially midweek or during off-peak seasons. To improve your odds, search for flexible fares, monitor flash sales, and consider nearby airports and alternative travel dates.
Arriving at Ontario (ONT) FAQs
Cheapest Economy (ECONOMY) is a route-focused label indicating the lowest available economy fare type for a given journey; it is not a physical airport code but a booking category used here to represent budget economy options. Expect restricted amenities like limited seat selection and potential baggage fees; always check the carrier's fare rules before purchasing.
Cheapest Economy (ECONOMY) routes often target popular budget travel endpoints such as Las Vegas, Phoenix, San Francisco, San Diego, and Los Angeles. These economy options prioritize high-demand, short- to medium-haul destinations to maximize seat turnover and competitive pricing.
In April, spring break travel can raise prices on many routes, but late-April typically sees fare softening as demand drops. Cheapest Economy (ECONOMY) fares may be available earlier in the month and toward the end; book 3–6 weeks ahead and use flexible-date searches to spot April bargains.
Upgrading from the cheapest economy fare is often possible but depends on the airline and fare rules; upgrade fees can sometimes exceed the cost difference to a standard economy fare. Contact the carrier or check your booking online to review paid upgrade options, fare bundles, and the total price with added services.
Cheapest Economy (ECONOMY) tickets typically offer narrower seat pitch, limited or no complimentary snacks, and stricter change and cancellation rules. However, these fares provide the lowest base price for travelers prioritizing budget over extras; always compare the total trip cost including baggage and seat fees when selecting fare options.
To keep total costs low when booking connecting flights on Cheapest Economy (ECONOMY) itineraries, choose short but safe layovers, avoid separate tickets across different carriers, and search for single-ticket itineraries that include connections. Use multi-city search tools and set filters for economy lowest fare to compare combined prices.
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Events and Festivals That Impact Economy Fares Near Ontario International Airport (ONT)
Local and regional events strongly influence economy fares at Ontario International Airport (ONT). Major festivals and conventions near ONT and commonly-accessed destinations—Los Angeles, Anaheim (Disneyland), San Diego (Comic-Con), Indio (Coachella), and Las Vegas—can drive up prices. Knowing event dates helps you avoid peaks and secure cheaper economy tickets by booking well in advance or traveling outside event windows.
Best Time to Fly from Ontario International Airport (ONT) — Cheapest Economy Windows
The best time to fly in economy from Ontario International Airport (ONT) for cheapest fares is typically during shoulder seasons (September–October, January–February) and midweek days (Tuesday through Thursday). Avoid peak holiday windows like late December and summer weekends when prices spike. Use primary keywords: best time to fly from Ontario International Airport (ONT), cheapest economy travel times.
Direct vs Connecting Flights from Ontario International Airport (ONT) — Economy Trade-offs
Choosing between direct and connecting flights affects price, travel time, and reliability. Direct flights from Ontario International Airport (ONT) tend to be faster but sometimes more expensive in economy; connecting itineraries can lower the base fare but add risk and layover time. For cheapest economy travel, weigh total trip time and potential savings: a single connection on a single ticket often offers the best balance between cost and reliability.
Airline Comparison for Economy Flights from Ontario International Airport (ONT)
Comparing airlines for economy travel from Ontario International Airport (ONT) requires evaluating base fares, baggage fees, seat selection costs, on-time performance, and network reach. Low-cost carriers may offer the cheapest base fares but charge extra for essentials; legacy carriers provide bundled value at higher base rates. Use keywords: airline comparison ONT, cheapest airlines ONT economy.
Seasonal Travel Tips for Economy Flights from Ontario International Airport (ONT)
Seasonal travel impacts pricing, availability, and your packing list. For economy travelers from Ontario International Airport (ONT), winter holiday periods and summer months are typically the most expensive. Shoulder seasons (spring and fall) often offer the best combination of lower prices and favorable weather. Use keywords: seasonal travel tips ONT, economy travel seasonality, cheap seasonal flights.
Flight Times and Schedules for Economy Travel from Ontario International Airport (ONT)
Typical flight times and schedules from Ontario International Airport (ONT) vary by destination; many economy routes to nearby cities like Los Angeles, San Diego, Las Vegas, and Phoenix are short (45–90 minutes) while cross-country flights will naturally be longer. Economy schedules are influenced by demand: early morning and late-night flights often have lower fares and greater availability. For international or longer domestic legs, expect departure windows to be concentrated during morning and evening bank times.
Cheap Flights from Ontario International Airport (ONT) — Economy Fare Strategies
Cheap flights from Ontario International Airport (ONT) in economy class are most commonly found by searching flexible dates, comparing low-cost carriers and legacy airlines, and booking within the optimal window of 3–8 weeks for domestic trips. Primary keywords: cheap flights from Ontario International Airport (ONT), economy flights ONT. Secondary and LSI keywords include budget airfare, discounted economy fares, low-cost carriers, and
Tips
- Set fare alerts on multiple platforms (Google Flights, Skyscanner, Kayak) to monitor price drops for economy seats.
- Use flexible-date calendars and search +/-3 days to reveal the lowest economy fares from ONT.
- Compare total price—including baggage and seat fees—when evaluating basic economy vs bundled economy.
- Consider nearby airports (Los Angeles, San Diego) and off-peak times for additional savings.
- Book 3–8 weeks ahead for domestic economy trips for the best balance of price and availability.