Best Flights starting from $379
from$379economy
Dallas (DAL)
Sat, Apr 11
Roundtrip
Ontario (ONT)
Tue, Apr 14
from$397economy
Dallas (DAL)
Mon, Apr 13
Roundtrip
Ontario (ONT)
Thu, Apr 16
from$407economy
Dallas (DAL)
Sun, Apr 12
Roundtrip
Ontario (ONT)
Wed, Apr 15
from$441economy
Dallas (DAL)
Wed, Apr 8
Roundtrip
Ontario (ONT)
Sat, Apr 11
from$449economy
Dallas (DAL)
Fri, Apr 10
Roundtrip
Ontario (ONT)
Mon, Apr 13
from$479economy
Dallas (DAL)
Tue, Apr 7
Roundtrip
Ontario (ONT)
Fri, Apr 10
from$507economy
Dallas (DAL)
Thu, Apr 9
Roundtrip
Ontario (ONT)
Sun, Apr 12
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Other Destinations
Dallas (DAL) to Denver (Any) in April from $119
From $119
Dallas (DAL) to Orlando (Any) in April from $129
From $129
Dallas (DAL) to San Diego (Any) in April from $173
From $173
Dallas (DAL) to El Paso (ELP) in April from $243
From $243
Dallas (DAL) to Las Vegas (LAS) in April from $272
From $272
Dallas (DAL) to Hilo (ITO) in April from $308
From $308
Flights from Other Cities
San Francisco (SFO) to Ontario (ONT) in April from $59
From $59
Denver (Any) to Ontario (ONT) in April from $69
From $69
Portland (PDX) to Ontario (ONT) in April from $89
From $89
San Francisco (SFO) to Ontario (ONT) in April from $133
From $133
San Antonio (SAT) to Ontario (ONT) in April from $135
From $135
Phoenix (PHX) to Ontario (ONT) in April from $137
From $137
✈️ Flight Guide: Dallas (DAL) → Ontario (ONT)
Complete travel information for your April journey
Departing from Dallas (DAL) FAQs
To find the cheapest economy flights from Ontario International Airport (ONT) in March, search 3–8 weeks in advance and compare budget carriers (Frontier, Spirit, Southwest) and legacy airlines. Use fare comparison tools, set price alerts, and consider weekday departures (Tuesdays/Wednesdays) to maximize savings. Bookable promotions and shoulder-season deals are common for spring travel.
Ontario International Airport (ONT) serves Southern California and provides convenient access to Los Angeles, Anaheim (Disneyland), Riverside, San Bernardino and Palm Springs. Many travelers use ONT as a lower-cost gateway to Los Angeles attractions, San Diego day trips, and inland Southern California destinations.
Baggage rules depend on the airline and fare class; many ultra-low-cost carriers charge extra for both checked bags and carry-on items in the cheapest economy fares. Always check the specific carrier's baggage policy before booking and at check-in to avoid surprises. Consider prepaying checked bags online to save money and time at ONT.
During the busy summer months (June through August), arrive at Ontario International Airport (ONT) at least 90 minutes for domestic flights in economy, and 2 hours if you need to check baggage or go through additional security screening. Peak holiday and weekend crowds can extend wait times, so allow extra buffer time for parking and shuttle transfers.
Yes, Ontario International Airport (ONT) frequently offers nonstop economy service to Las Vegas (LAS) and Phoenix (PHX) through both low-cost and legacy carriers. Nonstop flights to Vegas and Phoenix are typically short (about 1–1.5 hours) and often available at competitive prices, especially off-peak and midweek.
In November, travelers can use rideshare services, taxis, rental cars, and Metrolink regional rail (via bus connections) to reach downtown Los Angeles from Ontario International Airport (ONT). Holiday traffic can increase transit times, so allow extra time and consider off-peak travel to avoid congestion. Booking a shuttle or rental car in advance usually secures better rates.
Arriving at Ontario (ONT) FAQs
When arriving in economy class (ECONOMY), expect standard seat allotments, basic in-flight service, and varying baggage allowances depending on your carrier and fare. Low-cost carriers often have stricter carry-on and checked bag rules, so check your ticket details beforehand. Upon arrival, follow signs for baggage claim, ground transportation and connections to nearby major cities like Los Angeles and Anaheim.
Upgrades upon arrival or at the gate depend on availability and the airline; some carriers allow last-minute paid or mileage upgrades when there’s premium cabin space. If you prefer an upgrade, ask gate or ticketing agents politely and check upgrade costs and eligibility beforehand. Frequent flyers and elite-status members typically have higher priority for complimentary or reduced-cost upgrades.
After landing, follow domestic arrival signage to baggage claim and ground transportation; most carriers route economy passengers through main terminal claim areas. For transfers to San Diego or Los Angeles, options include rental cars, rideshares, shuttles or regional trains/buses. Allow extra time for baggage pickup and transit during peak hours or holiday periods.
Most cheapest economy fares do not include lounge access or priority deplaning; these perks are typically reserved for premium cabins or elite frequent flyer tiers. You can purchase day passes for airport lounges where available or buy priority boarding at check-in if offered by the carrier. For the lowest fares, plan for standard boarding and no complimentary lounge amenities.
Yes, arrivals in July coincide with peak summer travel so baggage wait times and ground-transport queues can be longer at Ontario International Airport (ONT). If arriving in July, expect busier terminals and reserve rideshare or rental cars in advance; aim to schedule off-peak arrival times to reduce delays. Booking refundable or flexible ground transportation can help manage summer disruptions.
To find cheap economy return or onward flights, use flexible-date searches, set fare alerts, and compare budget carriers alongside major airlines. Consider booking one-way tickets on different carriers or using flight-search tools that mix-and-match itineraries. Booking 4–8 weeks ahead for domestic trips and using weekday departures increases your chances of securing the lowest economy fares.
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Events & Festivals — Travel to/from Ontario International Airport (ONT) & Economy Tips
Major events that drive demand from Ontario International Airport (ONT) include Coachella (Indio, spring), San Diego Comic-Con (San Diego, July), LA Marathon (Los Angeles, March), Anaheim conventions and theme-park peak seasons (Disneyland). During these events, economy fares often rise; book early or fly midweek to find cheaper options. Consider alternate arrival/departure times or nearby airports to reduce costs. CTA: Check event calendars and search cheap economy flights from ONT early if your travel dates coincide with major festivals.
Best Time to Fly from Ontario International Airport (ONT) — Cheapest Economy Windows
The best time to fly from Ontario International Airport (ONT) for cheap economy fares is during shoulder seasons (late January–March and September–early November) and on weekdays (Tuesdays/Wednesdays). Early-morning and late-night flights are frequently cheaper; avoid peak holiday periods like Thanksgiving and late-December unless booked months in advance. Booking 3–8 weeks ahead for domestic trips often yields the best economy-class prices. CTA: Search cheap economy flights from ONT with flexible dates to find the lowest fares.
Direct vs Connecting Flights from Ontario International Airport (ONT) — Economy Choices
Nonstop flights from ONT are more convenient but can be pricier; connecting flights usually cost less in economy but increase total travel time and risk of missed connections. If your priority is the cheapest fare, a one-stop itinerary via a hub (e.g., ONT → PHX → JFK) may save money. Weigh the savings against added time and luggage transfer complexity; for short domestic trips, nonstops are often worth the convenience. CTA: Compare nonstop and connecting cheap economy options from ONT to determine the best value for your schedule.
Airline Comparison — Cheapest Economy Carriers from Ontario International Airport (ONT)
Low-cost carriers (Spirit, Frontier) often offer the lowest base economy fares from Ontario International Airport (ONT) but charge extra for carry-ons and seat selection. Southwest and Alaska frequently provide competitive economy pricing with more generous free carry-on policies and simpler change policies. Legacy carriers (American, Delta, United) may have higher base fares but include more predictable schedules and fewer ancillary fees on some domestic economy fares. Compare total trip cost (fare + bags + seat fees) rather than base fare alone to find the true cheapest economy option. CTA: Use a fare-comparison tool to check total costs from ONT across carriers before booking.
Seasonal Travel Tips — Cheapest Economy Travel from Ontario International Airport (ONT)
Summer: Book economy travel from ONT early, pre-book ground transport, and choose early or late flights to avoid peak traffic. Fall (September–October): Take advantage of shoulder-season pricing for the cheapest economy fares and fewer crowds. Winter (November–December): Reserve economy seats well in advance for holiday travel and look for midweek alternatives to reduce fare costs. Spring (March–May): Monitor spring-break windows and book flexible fares if travel dates fall during peak school vacation weeks. General tips: always compare total cost (fare + baggage + seat fees), set fare alerts, and consider traveling with carry-on only to reduce economy travel expenses. CTA: Use our fare-comparison tools to find the cheapest economy flights from Ontario International Airport (ONT) for your season and dates.
Flight Times & Schedules from Ontario International Airport (ONT) — Economy Routes
Typical nonstop economy flight times from Ontario International Airport (ONT): ONT → LAS (Las Vegas) ~1 hour; ONT → PHX (Phoenix) ~1h 20m; ONT → SFO (San Francisco) ~1h 20m; ONT → DEN (Denver) ~2h 30m; ONT → JFK (New York) ~4h 30m (often connecting). Low-cost carriers tend to schedule early-morning and late-evening flights to maximize aircraft utilization, while legacy carriers offer more daytime frequencies. Time-zone considerations: Southern California is Pacific Time (PT), so factor cross-country flights into local arrival times. CTA: Check carrier schedules from ONT and book the cheapest economy time-slot that fits your itinerary.
Cheap Flights from Ontario International Airport (ONT) — Economy Fare Strategies
To find the cheapest economy flights from Ontario International Airport (ONT), search 21–60 days before domestic travel for the optimal balance of price and availability. Use flexible-date tools, enable price alerts, and compare budget carriers (Spirit, Frontier, Southwest) with legacy airlines (American, Delta, United). Consider nearby airports like Los Angeles (LAX) and John Wayne/Orange County (SNA) as alternate departure or arrival points, but always factor in ground transfer costs. CTA: Compare cheap economy flights from ONT now and set fare alerts to lock in the best prices.