Best Flights starting from $180
from$180economy
Austin (AUS)
Mon, May 25
Roundtrip
Ontario (ONT)
Thu, May 28
from$185economy
Austin (AUS)
Fri, May 22
Roundtrip
Ontario (ONT)
Mon, May 25
from$205economy
Austin (AUS)
Wed, May 20
Roundtrip
Ontario (ONT)
Sat, May 23
from$205economy
Austin (AUS)
Sat, May 23
Roundtrip
Ontario (ONT)
Tue, May 26
from$205economy
Austin (AUS)
Sun, May 24
Roundtrip
Ontario (ONT)
Wed, May 27
from$230economy
Austin (AUS)
Thu, May 21
Roundtrip
Ontario (ONT)
Sun, May 24
from$256economy
Austin (AUS)
Tue, May 19
Roundtrip
Ontario (ONT)
Fri, May 22
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Other Options for This Route
Other Destinations
Austin (AUS) to San Jose (SJC) in May from $127
From $127
Austin (AUS) to Albany (ALB) in May from $129
From $129
Austin (AUS) to New York (Any) in May from $134
From $134
Austin (AUS) to Pensacola (PNS) in May from $160
From $160
Austin (AUS) to San Jose (Any) in May from $173
From $173
Austin (AUS) to Detroit (DTW) in May from $180
From $180
Flights from Other Cities
Dallas (Any) to Ontario (ONT) in May from $160
From $160
Kansas City (MCI) to Ontario (ONT) in May from $160
From $160
Dallas (DFW) to Ontario (ONT) in May from $177
From $177
Cleveland (CLE) to Ontario (ONT) in May from $219
From $219
Atlanta (ATL) to Ontario (ONT) in May from $230
From $230
Boise (BOI) to Ontario (ONT) in May from $257
From $257
✈️ Flight Guide: Austin (AUS) → Ontario (ONT)
Complete travel information for your May journey
Departing from Austin (AUS) FAQs
To find the cheapest economy flights from Ontario International Airport (ONT) this month, search multiple online travel agencies and the airlines that serve ONT (Southwest, Alaska, American, Spirit, and select regional carriers), set flexible date filters, and enable fare alerts. Midweek departures and late-night flights from ONT often yield the best budget fares; compare results with flexible-date calendars and book when a clear dip in price appears. Book now to lock in economy deals and save on Southern California departures.
Ontario International Airport (ONT) offers direct and seasonal nonstop routes to key destinations including Las Vegas, Phoenix, Denver, Seattle, Phoenix, Dallas, and select California cities. For budget-conscious travelers seeking cheap economy fares, Las Vegas and Phoenix are frequent low-cost routes from ONT. Check airline pages and low-fare search engines for updated nonstop schedules and deals.
Yes—November often features discounted economy fares from Ontario International Airport (ONT) ahead of and after Thanksgiving, including flash sales and advance-purchase deals. Monitor airline newsletters and set price alerts in October and early November to capture Thanksgiving off-peak dates or the post-holiday sale window. Use promo codes and flexible date search tools to maximize savings on cheap economy tickets.
Ontario International Airport (ONT) provides short-term and long-term parking, shuttle services, rideshare pickup areas, and rental car facilities on airport property. For budget travelers, off-site economy lots and pre-booked parking often save money when flying from ONT; rideshare pickup is convenient for one-way travel to nearby Inland Empire destinations like Riverside and San Bernardino. Always compare parking promos and reserve ahead during peak travel months.
Travel requirements can change, so verify destination-specific health advisories and airline policies before departure from Ontario International Airport (ONT). Check CDC guidance, the destination government's travel restrictions, and your airline's boarding rules for proof of vaccination, testing, or masks. For the latest updates, consult the official Ontario International Airport (ONT) site and airline notifications prior to travel.
Yes—many airlines serving Ontario International Airport (ONT) allow mileage redemptions for economy award seats, although availability varies by carrier and route. Booking award travel early and being flexible with dates increases chances of securing a low-mileage economy seat; consider partner airlines and off-peak award charts for the best value from ONT. Use airline loyalty portals and award search tools to find and book cheap economy award flights.
Arriving at Ontario (ONT) FAQs
When searching for the cheapest economy-class fares to Cheapest Economy Fare (ECON), use broad search terms like 'economy fare cheap' and compare multi-city and one-way options across OTAs and airline websites. Flexibility with dates and airports (e.g., consider nearby hubs like Los Angeles, San Diego, or Ontario for arrival alternatives) helps uncover the lowest economy prices.
Travelers booking the cheapest economy tickets frequently connect through major hubs such as Los Angeles, San Francisco, Phoenix, Denver, and Las Vegas, depending on origin and route. These hubs offer more flight frequency and low-cost carrier options that drive down price—search connections through these cities to find better economy fare options.
November often shows lower economy fares on non-peak travel days before Thanksgiving and after the holiday spike; savvy travelers can find cheap economy arrivals by booking earlier in the month or taking advantage of Black Friday/Cyber Monday sales. Set alerts for November and watch for airline flash sales targeted at economy seats.
Common cheap economy destinations from the greater Ontario area include Las Vegas, Phoenix, Denver, Seattle, San Francisco and Dallas—routes with high frequency and competition often offer the lowest fares. Include larger hubs like Los Angeles and San Diego in searches as alternative arrival options to maximize savings.
Sometimes multi-city or open-jaw itineraries yield cheaper economy fares, especially when combining a low-cost carrier segment with a legacy carrier. Use flexible search tools to compare roundtrip vs multi-city pricing and consider separate tickets for different legs, but account for connection risk and baggage rules when doing so.
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Events & Festivals Near Ontario International Airport (ONT) — Travel-Planning Calendar
Major events near Ontario International Airport (ONT) and in nearby top destinations can greatly influence airfare and availability. Plan ahead for these peak dates to avoid high economy fares or to book early if attending an event. Example events include Anaheim’s peak Disneyland promotional dates, Coachella in April (reachable from ONT via ground transfer), San Diego Comic-Con (July), and Las Vegas trade shows and conventions that spike demand. Use event calendars when searching for cheap economy flights to time your trip and avoid inflated fares.
Best Time to Fly — Cheapest Economy Fares from Ontario International Airport (ONT)
The best time to fly cheaply from Ontario International Airport (ONT) is during shoulder months (September through early November and January through early March) when demand drops. Midweek departures (Tuesday through Thursday) and off-peak hours (late-night/early-morning) typically offer lower economy fares. For peak travel (June–August, mid-December), book 60–90 days in advance; for off-peak months, 2–6 weeks often suffices. Use long-tail search terms like 'cheap economy flights ONT September' to capture travel-intent queries and score better deals. CTA: Compare prices across months and set fare alerts to catch the best economy fares.
Direct vs Connecting Flights — Choosing Between Nonstop and Connecting Routes from ONT
Nonstop flights from Ontario International Airport (ONT) are convenient and reduce the risk of missed connections, but connecting itineraries often produce the cheapest economy fares by leveraging competition at larger hubs. If saving money is the priority, allow extra travel time and search connecting itineraries through major hubs (Los Angeles, Phoenix, Denver). For short domestic hops, nonstop is often only slightly more expensive; for long-haul travel, one connection can reduce economy fare significantly. CTA: Compare nonstop and connecting economy options from Ontario International Airport (ONT) to find the balance of price and convenience that fits your trip.
Airline Comparison — Economy Options from Ontario International Airport (ONT)
Major carriers and low-cost airlines at Ontario International Airport (ONT) include Southwest Airlines, Alaska Airlines, American Airlines, Spirit Airlines, and seasonal regional partners. Southwest often provides competitive economy fares with two free checked bags on certain fare types; Spirit advertises ultra-low base fares but charges for bags and seat selection; Alaska and American offer network connectivity and loyalty benefits that may justify slightly higher economy fares. When comparing, factor in extras (baggage fees, seat assignment, change fees) to determine true cheap-economy value. CTA: Compare airline total-cost-of-travel from Ontario International Airport (ONT) to find the cheapest economy option for your route.
Seasonal Travel Tips — Optimize Cheap Economy Trips from Ontario International Airport (ONT)
Adjust your travel strategy by season to find the cheapest economy fares from Ontario International Airport (ONT). In winter (Dec–Feb), seek early-December savings and mid-January bargains; in spring (Mar–May), avoid peak spring-break dates to secure lower fares; summer (Jun–Aug) requires early booking 60–90 days in advance for best economy prices; fall (Sep–Nov) often yields the best shoulder-season savings. Also consider packing light to avoid checked-bag fees that can negate low base fares on ultra-low-cost carriers. CTA: Compare seasonal economy fares from Ontario International Airport (ONT) and book at the optimal time to save.
Flight Times & Schedules — Ontario International Airport (ONT) Nonstop and Connecting Options
Typical nonstop flight times from Ontario International Airport (ONT) to nearby major destinations: Las Vegas ~1 hour; Phoenix ~1 hour 20 minutes; Denver ~2 hours 15 minutes; Seattle ~2 hours 45 minutes; Dallas ~3 hours. Schedules vary by carrier and season; low-cost carriers often operate multiple daily flights to high-demand routes, while legacy carriers may offer fewer departures concentrated in morning and evening bank periods. For the cheapest economy options, flying midweek or late-night red-eye departures can provide lower fares and less-congested schedules. Use airline schedule pages and comparison tools to view real-time departure windows and plan connections with ample layover buffer.
Cheap Flights Guide — Economy Savings from Ontario International Airport (ONT)
Finding cheap economy flights from Ontario International Airport (ONT) requires a mix of flexible-date searches, multi-airport comparisons (including Los Angeles and San Diego), and monitoring fare alerts from both OTAs and carriers. Primary keywords include 'cheap flights ONT', 'economy fares', and 'budget airfare Ontario'; use long-tail modifiers such as 'cheap economy flights ONT to Las Vegas' or 'affordable nonstop from Ontario International Airport'. Consider booking 2–8 weeks in advance for domestic economy routes, and book 60+ days ahead for peak summer travel. CTA: Compare cheap economy flights from Ontario International Airport (ONT) now and subscribe to fare alerts to catch limited-time deals.