Best Flights starting from $225
from$225economy
Atlanta (Any)
Sun, Jun 14
One-way
Ontario (ONT)
—
Fields updated — click View Prices to search ↑
Other Destinations
Atlanta (Any) to Washington, D.C. (BWI) in June from $56
From $56
Atlanta (Any) to Indianapolis (IND) in June from $60
From $60
Atlanta (Any) to Columbus (Any) in June from $84
From $84
Atlanta (Any) to Tampa (Any) in June from $85
From $85
Atlanta (Any) to Austin (AUS) in June from $99
From $99
Atlanta (Any) to New York (LGA) in June from $127
From $127
Flights from Other Cities
Cleveland (CLE) to Ontario (ONT) in June from $219
From $219
Orlando (MCO) to Ontario (ONT) in June from $224
From $224
Portland (PDX) to Ontario (ONT) in June from $238
From $238
Austin (AUS) to Ontario (ONT) in June from $250
From $250
Philadelphia (Any) to Ontario (ONT) in June from $340
From $340
Vancouver (Any) to Ontario (ONT) in June from $387
From $387
✈️ Flight Guide: Atlanta (Any) → Ontario (ONT)
Complete travel information for your June journey
Departing from Atlanta (Any) FAQs
Ontario International Airport (ONT) is served by multiple low-cost and legacy carriers including Avelo Airlines, Allegiant Air, Southwest Airlines, and select routes from American and Delta. For the cheapest economy fares, check budget carriers like Avelo and Allegiant and compare dates across flexible calendars. Use fare alerts and book 6–8 weeks in advance for the best deals on popular short-haul routes.
Ontario International Airport (ONT) is easily accessible via I-10 and I-15 and offers rental cars, rideshare, and shuttle services. Nearby major cities commonly accessed from ONT include Los Angeles, San Diego, Riverside, Anaheim, Palm Springs and Las Vegas, making it a convenient gateway for Southern California travel. Plan traffic time during weekday mornings and evenings and check real-time transit options to reduce transfer delays.
April often brings spring fare sales for leisure routes—especially to Phoenix, Las Vegas, and vacation destinations—due to lower mid-week demand. Book 3–8 weeks ahead for April travel to secure cheap economy seats; sign up for airline and OTA alerts to catch flash sales. For the best savings, compare flexible dates and use price-tracking tools.
Most international and domestic flights have lifted strict COVID-19 entry requirements, but travelers should verify destination-specific rules before departure. Check the airline and destination health pages and Ontario International Airport (ONT) notices for recommended safety practices and mask guidelines to ensure a smooth, worry-free economy-class journey.
For domestic economy departures from Ontario International Airport (ONT), arrive at least 90 minutes before departure during off-peak times and 2 hours during holidays or peak travel periods. If you need check-in and baggage drop, allow extra time; if you are traveling carry-on only and have mobile boarding, 75–90 minutes may suffice depending on TSA wait times.
In December, short-haul leisure routes from Ontario International Airport (ONT) to Las Vegas, Phoenix, and select Mexican cities tend to offer the cheapest economy fares—especially on non-holiday weekdays. Prices spike around Christmas and New Year's, so target early December or mid-week travel and book well in advance for the lowest fares.
Arriving at Ontario (ONT) FAQs
Economy Fare (ECONOMY) refers to the basic or standard economy class ticket type that typically includes a seat and minimal carry-on allowance, with optional paid add-ons like checked bags or seat selection. When booking arrival itineraries labeled ECONOMY, compare the total price after fees to ensure it's the cheapest option for your needs. Use airline websites and comparison tools to view bundled options.
Cheap economy flights departing Ontario International Airport (ONT) frequently serve Las Vegas, Phoenix, Denver, San Francisco, Seattle and Dallas, as well as border routes to Guadalajara and Tijuana. These routes are popular for both leisure and budget travelers due to frequent service and competitive pricing. For best rates, compare multiple dates and low-cost carriers offering ECONOMY fare options.
Baggage allowances vary by airline and fare class; Economy Fare (ECONOMY) often includes a carry-on but charges for checked bags on basic economy tickets. Verify the airline's baggage policy before arrival to avoid surprise fees and consider pre-purchasing checked luggage for savings and convenience.
Yes—November typically offers lower fares in the first half of the month, while Thanksgiving week causes a sharp price increase for ECONOMY arrivals. To secure the cheapest economy fares, travel the week before or after Thanksgiving and set fare alerts to monitor short-term discounts.
Some airlines sell refundable or changeable economy fares for an added fee or as part of a 'flex' bundle—compare fare rules at booking. If flexibility is important, choose economy-flex or standard economy rather than basic economy, and check if the airline's fee structure fits your schedule changes.
After arriving on an Economy Fare (ECONOMY) from Ontario International Airport (ONT), travelers commonly transfer to Los Angeles, Anaheim, San Diego, Riverside and Palm Springs. Plan ground transportation in advance, especially during peakイベントs and rush hours, for smooth onward travel.
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Events & Festivals That Affect ONT Economy Fares — Plan Ahead
Major events that cause economy fares from Ontario International Airport (ONT) to spike include Coachella and Stagecoach (April) which impact Palm Springs and Inland Empire routes, San Diego Comic-Con (July), LA Marathon (March), and major sports events or conventions in Los Angeles and Anaheim. Additionally, holiday weekends (Thanksgiving, Memorial Day) often drive higher demand. For the cheapest economy fares, book well ahead of major festivals or select alternate dates before/after the event. CTA: Check event calendars and book economy flights from Ontario International Airport (ONT) early to avoid fare surges.
Best Time to Fly from Ontario International Airport (ONT) — Save on Economy Fares
The best time to fly from Ontario International Airport (ONT) for cheap economy fares is during shoulder months like January, September and early November—these months typically have lower demand and discounted prices. Mid-week departures (Tuesday–Thursday) and early-morning flights often yield the lowest fares. Avoid peak holiday weeks (Thanksgiving, Christmas-New Year) unless booking well in advance. CTA: Search for the best time to fly from Ontario International Airport (ONT) and lock in cheap economy fares with flexible date tools.
Direct vs Connecting Flights from ONT — Choosing Economy Options
Direct (nonstop) economy flights from Ontario International Airport (ONT) are faster and more convenient but can be pricier during peak periods; connecting itineraries often reduce cost but increase travel time and the risk of missed connections. Common connection hubs for ONT economy itineraries include Los Angeles (LAX), Phoenix (PHX), Denver (DEN) and Las Vegas (LAS). For the cheapest fares, compare one-stop itineraries with sufficient layover time and select reputable carriers with good on-time records. CTA: Compare nonstop vs connecting economy flights from Ontario International Airport (ONT) and choose the best balance of price and convenience.
Airline Comparison for Economy Travel from Ontario International Airport (ONT)
Avelo Airlines: focused on low-cost, leisure routes with competitive basic economy pricing but limited frills. Allegiant Air: ultra-low-cost model offering very cheap base fares with paid add-ons (baggage, seat selection). Southwest Airlines: value for customers wanting two checked bags included and flexible change policies—often competitive for family travel. American/Delta/United: offer broader networks and more connection options at higher baseline prices; useful when loyalty benefits or reliable schedules matter. Volaris and other Mexico-focused carriers can be competitive for cross-border economy fares. CTA: Compare total price (fare + baggage + seat fees) across carriers from Ontario International Airport (ONT) to find the cheapest economy option for your trip.
Seasonal Travel Tips for Economy Flyers from ONT — Pack, Book, and Save
Spring: Watch for festival-related fare increases—book early if traveling for Coachella/Stagecoach and use fare alerts to capture economy discounts. Summer: Peak demand—reserve economy seats 8–12 weeks in advance and consider early-morning flights to save. Fall: Great time for cheap economy fares and pleasant weather; look for off-peak weekday deals. Winter: Early December can be economical but holiday weeks spike—allow extra time for de-icing delays and busy travel corridors. Wildfire season (late summer into fall) can affect visibility and cause delays—monitor regional air quality and airline rebooking policies. CTA: Prepare for your trip and search cheap economy flights from Ontario International Airport (ONT) with flexible dates to maximize savings.
Flight Times & Schedules from Ontario International Airport (ONT) — Economy Duration Guide
Typical economy flight durations from Ontario International Airport (ONT) are short for western U.S. routes: ONT → Las Vegas ~1h10, ONT → Phoenix ~1h20, ONT → Denver ~2h20, ONT → San Francisco ~1h15, ONT → Seattle ~2h45. Airlines schedule more frequencies on weekends and holidays, with increased red-eye and early-morning departures for business routes during weekdays. For the cheapest economy fares, consider early-morning or late-night flights and check schedule calendars for weekday discounts. CTA: View live schedules and book the cheapest economy flights from Ontario International Airport (ONT) today.
How to Find Cheap Flights from Ontario International Airport (ONT) — Economy Tips
To secure cheap flights from Ontario International Airport (ONT) in economy, start by searching flexible dates (±3 days) and using fare alerts from Google Flights, Kayak, and airline newsletters. Prioritize low-cost carriers like Avelo and Allegiant for short-haul routes and compare total landed cost (including baggage fees) to find true savings. Book mid-week flights and off-peak hours, join airline loyalty programs and check alternative nearby airports like Los Angeles (LAX) for price comparisons. CTA: Compare cheap economy flights from Ontario International Airport (ONT) now and sign up for price alerts to catch flash sales.