Best Flights starting from $111
from$111economy
Ontario (ONT)
Tue, Aug 25
One-way
Austin (AUS)
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from$111economy
Ontario (ONT)
Wed, Aug 26
One-way
Austin (AUS)
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from$129economy
Ontario (ONT)
Sat, Aug 22
One-way
Austin (AUS)
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from$129economy
Ontario (ONT)
Mon, Aug 24
One-way
Austin (AUS)
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from$129economy
Ontario (ONT)
Thu, Aug 27
One-way
Austin (AUS)
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from$135economy
Ontario (ONT)
Fri, Aug 28
One-way
Austin (AUS)
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from$141economy
Ontario (ONT)
Sun, Aug 23
One-way
Austin (AUS)
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Other Options for This Route
Other Destinations
Ontario (ONT) to Denver (DEN) in August from $56
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Ontario (ONT) to Houston (IAH) in August from $111
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Ontario (ONT) to Memphis (MEM) in August from $120
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Ontario (ONT) to Las Vegas (Any) in August from $130
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Ontario (ONT) to Seattle (SEA) in August from $138
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Ontario (ONT) to Cincinnati (CVG) in August from $142
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Flights from Other Cities
Denver (DEN) to Austin (AUS) in August from $66
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Denver (Any) to Austin (AUS) in August from $66
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Las Vegas (LAS) to Austin (AUS) in August from $74
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Atlanta (Any) to Austin (AUS) in August from $76
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Knoxville (TYS) to Austin (AUS) in August from $82
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Tampa (TPA) to Austin (AUS) in August from $109
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✈️ Flight Guide: Ontario (ONT) → Austin (AUS)
Complete travel information for your August journey
Flying from Ontario International Airport (ONT) to Austin-Bergstrom International Airport (AUS) in August means summer heat, steady leisure travel, and occasional weather-related delays from late afternoon thunderstorms. Primary and secondary keywords for your search should include "cheap flights ONT to AUS", "Ontario to Austin August" and "Inland Empire to Austin airfare". Book mid-week and early-morning flights to avoid peak weekend prices and storm delays; consider renting a car or using Metrolink and local shuttles to reach ONT quickly. Nearby major destinations served from ONT include Los Angeles, Riverside, San Bernardino, Anaheim (Disneyland), and Palm Springs — useful if you plan multi-city trips. CTA: Compare August fares and book cheap flights from Ontario International Airport (ONT) to Austin-Bergstrom International Airport (AUS) now to lock in lower summer rates.
Departing from Ontario (ONT) FAQs
Ontario International Airport (ONT) is accessible by car, rideshare, taxi, and public transit; in August expect typical Southern California traffic, so plan extra time during morning and evening peak hours. Consider Metrolink service to nearby stations and regional shuttles, or park at long-term lots for multi-day trips. Book parking in advance for cheaper rates and faster check-in.
For domestic flights between Ontario International Airport (ONT) and Austin-Bergstrom International Airport (AUS) in August, arrive at least 90 minutes before departure for carry-on travel and two hours if checking bags. August brings summer crowds and occasional delays from thunderstorms, so allow extra time for security lines and parking. Enroll in TSA PreCheck to speed up security.
Ontario International Airport (ONT) serves the Inland Empire and Southern California, with easy access to Los Angeles, Riverside, San Bernardino, Anaheim (Disneyland), and Palm Springs. Many travelers use ONT as a lower-traffic alternative to Los Angeles International (LAX) when heading to Orange County attractions or downtown LA. Rental car options are plentiful for day trips.
Direct flights between Ontario International Airport (ONT) and Austin-Bergstrom International Airport (AUS) may be available seasonally in August from carriers like Southwest or Alaska, but routes vary year-to-year. If no nonstop is listed, connecting options via hubs such as Phoenix (PHX), Denver (DEN), or Dallas/Fort Worth (DFW) are common. Use fare alerts and book early to secure direct service.
Parking prices at Ontario International Airport (ONT) vary by lot and duration; expect higher demand in August due to summer travel. Long-term lots are typically cheaper per day than terminal garages. Off-airport private lots and hotel park-and-fly packages near ONT often offer discounted weekly rates — compare and reserve in advance to save.
As of August, most U.S. airports, including Ontario International Airport (ONT), follow federal and local health guidelines which may include mask recommendations in some settings and sanitation protocols. Check airline-specific vaccine or testing requirements before travel and monitor the county public health site for any sudden changes. Travel insurance can provide extra protection for last-minute interruptions.
Arriving at Austin-Bergstrom International Airport (AUS) in August means hot weather and a lively city preparing for the academic year. Use search phrases like "flights to Austin in August", "AUS arrival tips", and "Austin hot weather travel" when planning. Nearby major destinations include San Antonio, Houston, Dallas, New Braunfels, and the Hill Country (Fredericksburg), useful for multi-city itineraries. For easy transfers, pre-book a shuttle or rideshare, or take CapMetro public transit to downtown. CTA: Book your August arrival at Austin-Bergstrom International Airport (AUS) early to secure the best rates and transfers.
Arriving at Austin (AUS) FAQs
Expect hot and humid weather upon arrival at Austin-Bergstrom International Airport (AUS) in August, with daytime highs often in the mid-90s°F (35°C). Airport facilities offer ground transportation, rideshares, car rentals, and shuttle services to downtown Austin, South Congress, and nearby attractions like the University of Texas at Austin. Hydrate, plan for summer traffic, and consider pre-booking airport transfers for smooth arrival.
Austin-Bergstrom International Airport (AUS) serves Austin and Central Texas, with easy access to nearby major destinations like San Antonio, Houston, Dallas, New Braunfels, and Fredericksburg. Many visitors use AUS as a gateway to Texas Hill Country wineries, San Antonio’s River Walk, and state parks. Rental cars and regional shuttles make day trips straightforward.
August in Austin includes summer concert series like 'Blues on the Green' and university orientation and move-in activities at the University of Texas, which can increase travel demand and short-term accommodation prices. While major festivals like SXSW occur in spring, local events and the back-to-school rush in late August can lead to busier flights and fuller rental cars. Check event calendars and book transportation in advance.
For domestic arrivals at Austin-Bergstrom International Airport (AUS), proceed to the reclaim area to collect checked luggage and then to ground transportation. AUS handles international arrivals in a separate terminal with customs; for domestic ONT to AUS flights, standard baggage claim times apply. Use airline apps to track checked bags and file lost luggage claims immediately at the airline counter if needed.
Save on AUS ground transport by comparing rideshare prices, booking shared shuttles to downtown Austin, or using CapMetro public transit to reach central neighborhoods. For groups, splitting a rideshare or booking a rental car may be economical. Consider booking airport-hotel shuttles in advance during August when demand from university arrivals and summer events can raise prices.
Direct return flights from Austin-Bergstrom International Airport (AUS) to Ontario International Airport (ONT) may be limited but sometimes operate seasonally; otherwise, connecting flights through hubs like Phoenix (PHX), Dallas/Fort Worth (DFW), or Denver (DEN) are common. Check multiple airlines and consider flexible dates to find the best nonstop or one-stop return options in August.
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August Events & Festivals Around Austin — Impact on AUS Travel
August in Austin features summer concert series such as 'Blues on the Green', local music nights, and university orientation/move-in activities that increase hotel and flight demand around Austin-Bergstrom International Airport (AUS). While the city’s major festivals like SXSW are later in the year, back-to-school traffic in late August can drive up fares and airport congestion. Nearby destination events — San Antonio summer programs or Hill Country winery weekends — can also shift availability. CTA: Check event dates and book your August ONT to AUS flights early to avoid sold-out options.
Best Time to Fly ONT to AUS in August — Save Money & Avoid Delays
The best time to fly from Ontario International Airport (ONT) to Austin-Bergstrom International Airport (AUS) in August is mid-week (Tuesday–Thursday) and early morning to reduce the chance of thunderstorm delays and higher weekend fares. Late August may see increased demand due to University of Texas move-in and orientation, so aim to travel in the first or mid weeks of August for lower prices. Use search terms like "best time to fly ONT AUS August" and book at least 3–6 weeks in advance for the best rates. CTA: Search flexible dates and book your preferred August flight now to avoid last-minute price spikes.
Direct vs Connecting Flights: Ontario International Airport (ONT) to Austin-Bergstrom International Airport (AUS)
Nonstop flights between Ontario International Airport (ONT) and Austin-Bergstrom International Airport (AUS) save time — typically about 3 hours — and reduce risk of missed connections, which is valuable in August when summer storms can cause cascading delays. However, nonstops can be pricier; connecting flights via hubs like Phoenix (PHX), Denver (DEN), or Dallas/Fort Worth (DFW) often offer cheaper fares and more schedule options. Use phrases like "nonstop ONT to AUS" and "one-stop Ontario to Austin" to compare. If time is critical, choose nonstop; if price is the priority, a single-connection itinerary often balances cost and convenience. CTA: Compare nonstop and one-stop fares now to pick the best ONT to AUS August flight.
Airline Comparison for ONT to AUS: Southwest, Alaska, American, United & More
Southwest: Often competitive on price and baggage-friendly (two free checked bags), with a strong presence for ONT–AUS seasonal routes. Ideal for families and value seekers. Alaska Airlines: Good on-time record and customer service; fewer free perks but solid loyalty program for West Coast flyers. American Airlines and United: Typically offer one-stop itineraries via their hubs (DFW, DEN) with broader connection options and loyalty benefits; check basic economy restrictions. Delta: Less common direct service from ONT but possible via LAX or other hubs. Use keywords like "Southwest ONT to AUS cheap" and "Alaska Airlines ONT AUS" when searching. CTA: Compare carrier fares and baggage rules now to choose the best airline for your August ONT to AUS trip.
Seasonal Travel Tips for ONT to AUS in August — Weather, Packing & Delays
Pack lightweight, breathable clothing and sun protection for Austin’s August heat, and bring a refillable water bottle to stay hydrated after landing at Austin-Bergstrom International Airport (AUS). Expect afternoon thunderstorms that can delay flights; prefer early-morning departures from Ontario International Airport (ONT) to reduce the risk of weather disruptions. Reserve parking and rental cars in advance, enroll in TSA PreCheck to shorten security wait times, and set fare alerts to capture last-minute deals. CTA: Prepare for August travel and book ONT to AUS flights early for the best schedules and prices.
Flight Time and Schedules: Ontario International Airport (ONT) to Austin-Bergstrom International Airport (AUS)
Average nonstop flight time from Ontario International Airport (ONT) to Austin-Bergstrom International Airport (AUS) is roughly 3 hours and 10–20 minutes, depending on winds and routing. In August, airlines typically offer a mix of 0–3 daily nonstop options (seasonal) plus multiple one-stop itineraries via Phoenix (PHX), Denver (DEN), Dallas/Fort Worth (DFW), or Los Angeles (LAX). Peak travel windows are early morning (6:00–9:00) and late afternoon (4:00–7:00); late afternoons can be subject to thunderstorm-related delays in both Southern California and Central Texas. Use primary keywords like "ONT to AUS flight time" and "Ontario to Austin schedules" when searching. CTA: Check real-time schedules and book early-morning nonstop flights for the best on-time performance.
Cheap Flights ONT to AUS in August — Strategies & Deals
To find cheap flights from Ontario International Airport (ONT) to Austin-Bergstrom International Airport (AUS) in August, use flexible-date searches, set fare alerts, and compare low-cost carriers and legacy airlines. Primary keywords include "cheap flights ONT to AUS" and "Ontario to Austin cheap airfare"; secondary keywords include "August flight deals" and "Inland Empire to Austin discounts". Try mid-week departures (Tuesday–Thursday), early-morning flights, and consider one-stop itineraries via Phoenix (PHX) or Dallas (DFW) for lower fares. Sign up for Southwest Rapid Rewards, Alaska Mileage Plan, or airline email alerts to catch flash sales. CTA: Activate fare alerts and book cheap ONT to AUS August flights now to lock in the best prices.