Best Flights starting from $304
from$304economy
Columbus (CMH)
Tue, Mar 31
Roundtrip
Ontario (ONT)
Mon, Apr 6
from$385economy
Columbus (CMH)
Sun, Mar 29
Roundtrip
Ontario (ONT)
Sat, Apr 4
from$387economy
Columbus (CMH)
Thu, Mar 26
Roundtrip
Ontario (ONT)
Wed, Apr 1
from$426economy
Columbus (CMH)
Fri, Mar 27
Roundtrip
Ontario (ONT)
Thu, Apr 2
from$470economy
Columbus (CMH)
Mon, Mar 30
Roundtrip
Ontario (ONT)
Sun, Apr 5
from$517economy
Columbus (CMH)
Sat, Mar 28
Roundtrip
Ontario (ONT)
Fri, Apr 3
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Other Destinations
Columbus (CMH) to Fort Lauderdale (FLL) in March from $110
From $110
Columbus (CMH) to Las Vegas (LAS) in March from $138
From $138
Columbus (CMH) to New York (LGA) in March from $176
From $176
Columbus (CMH) to Fort Myers (RSW) in March from $189
From $189
Columbus (CMH) to Tulsa (TUL) in March from $220
From $220
Columbus (CMH) to Phoenix (PHX) in March from $230
From $230
Flights from Other Cities
San Antonio (SAT) to Ontario (ONT) in March from $164
From $164
Oklahoma City (OKC) to Ontario (ONT) in March from $208
From $208
Champaign (CMI) to Ontario (ONT) in March from $491
From $491
Greenville (GSP) to Ontario (ONT) in March from $510
From $510
Nadi (NAN) to Ontario (ONT) in March from $1,763
From $1,763
San Francisco (SFO) to Ontario (ONT) in April from $59
From $59
✈️ Flight Guide: Columbus (CMH) → Ontario (ONT)
Complete travel information for your March journey
Departing from Columbus (CMH) FAQs
Ontario International Airport (ONT) is served by a mix of legacy and low-cost carriers including Southwest, Alaska Airlines, Delta (seasonal), American Airlines, and occasional charter services. For the cheapest economy fares, low-cost carriers like Southwest and Spirit (when available) typically offer the best base fares, while legacy carriers may have competitive sale fares if you book in advance. Compare total costs (including baggage and seat fees) before booking to find the real cheapest economy option from ONT.
For domestic economy departures from Ontario International Airport (ONT), arrive at least 90 minutes before scheduled departure during non-peak times and 2 hours during holidays or peak travel (June–August, December). This gives you ample time for parking, security screening, and potential checked-luggage lines. If you need to check bags or use airline kiosks, factor in extra time and consider online check-in to speed up your process.
Yes—Ontario International Airport (ONT) commonly offers nonstop economy flights to major western hubs such as Las Vegas (Harry Reid International Airport), Phoenix (Phoenix Sky Harbor International Airport), and San Francisco (San Francisco International Airport) depending on seasonal schedules. Nonstop availability can fluctuate by month, so check current schedules and low-fare calendars to lock in the cheapest economy tickets. Use fare alerts and flexible dates for the best deals.
Historically, the cheapest months to fly economy from Ontario International Airport (ONT) are January, February, and September when demand drops after holidays and before peak fall travel. Booking during these shoulder months often yields lower base fares and more frequent fare sales. Set price alerts and check multi-month calendars to capture the lowest economy fares from ONT.
Ontario International Airport (ONT) offers several ground transport options suitable for economy travelers, including public buses, Metrolink commuter rail (nearby), ride-shares (Uber/Lyft), airport shuttles, and rental cars. For budget-conscious travelers, public transit and shared shuttles provide the lowest-cost connections to nearby major destinations like Los Angeles, Anaheim (Disneyland), Riverside, and San Bernardino. Pre-book airport shuttles or use transit route planners to save on last-mile costs.
Yes, seasonal demand—such as summer vacation (June–August), holiday travel (late November–December), and local events like Coachella (April) or Anaheim conventions—can reduce seat availability and raise economy fares at Ontario International Airport (ONT). Conversely, late winter and early fall months often feature more sale-priced economy seats. Monitor airlines' seasonal schedules and sign up for fare alerts to catch the cheapest economy flights during off-peak months.
Arriving at Ontario (ONT) FAQs
Cheapest Economy Fare (ECO) refers to the lowest-tier economy tickets that prioritize low base fares but often restrict or charge extra for checked bags, seat selection, and changes. For arrivals booked under ECO, expect carry-on allowances to vary by airline and additional fees for checked luggage or preferred seats. Always read the airline's fare rules and consider the total door-to-door cost when choosing cheap economy fares.
To find the cheapest economy arrival options from Ontario International Airport (ONT) to major cities, use flexible-date searches, price alerts, and comparison tools across OTAs and airline websites. Target midweek travel, consider alternate nearby airports (e.g., Los Angeles International Airport for LA-area travel), and bundle travel services carefully to reduce overall costs. Booking 3–8 weeks in advance or during sale windows often yields the best economy-arrival prices.
Cheap economy arrivals from Ontario International Airport (ONT) commonly serve destinations such as Los Angeles, Anaheim (Disneyland area), San Diego, Las Vegas, Phoenix, and San Francisco. Many travelers using ECO fares connect onward to destinations including Palm Springs, Joshua Tree, and the broader Inland Empire. Consider local transit and shuttle options when arriving on a cheap economy fare to save on last-mile costs.
Transfer times for ECO arrivals are not inherently different, but during peak months like December and July, processing and ground transport demand can increase, extending total travel time after arrival. In busy months such as April (festival season) or November (holiday travel), budget travelers should allow extra time for baggage claim and shuttles. Plan arrival windows with buffer time for connections and consider carry-on only to speed your exit from the airport.
Changing or upgrading a Cheapest Economy Fare (ECO) after arrival depends on the airline's fare rules; many basic economy fares are non-changeable or have steep fees. If you anticipate needing flexibility, purchase a higher economy tier or add flexible options before travel. Check with the airline's customer service at arrival or pre-arrange upgrades online where available to avoid high airport desk fees.
Budget arrivals should pre-book shared shuttles, use public transit, or rely on ride-shares for cost-effective ground transport. Nearby major destinations accessible from Ontario International Airport (ONT) include Los Angeles, Anaheim, Riverside, and San Bernardino—book hotels near transit hubs or use extended-stay options to save. Use reward points or flexible accommodation search filters to find low-cost stays close to your arrival terminal.
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Events and Festivals Affecting Fares Near Ontario International Airport (ONT)
Major events that can inflate economy fares near Ontario International Airport (ONT) include Coachella (April), major conventions and trade shows in Anaheim (various months), Disneyland holiday seasons (December), San Diego Comic-Con (July, affecting nearby regional routing), and the LA Marathon (March). During these events, economy fares and ground-transport costs can spike—book months in advance or travel on off-peak days to avoid price surges. CTA: Check event dates and compare economy fares from ONT early to avoid inflated prices during peak festival weekends.
Best Time to Fly from Ontario International Airport (ONT) — Save on Economy Fares
The best times to fly from Ontario International Airport (ONT) in cheapest economy class are typically January, February, and September when demand is low and airlines release promotional inventory. Book domestic economy tickets 3–8 weeks in advance for most savings, and consider midweek departures (Tuesday–Thursday) and early-morning flights to get the lowest prices. For holiday travel, reserve seats 8–12 weeks in advance to lock in economy fares before they rise.
Direct vs Connecting Flights from Ontario International Airport (ONT) — Economy Comparison
Direct flights from Ontario International Airport (ONT) are faster and more convenient but can be pricier, especially on high-demand routes. Connecting flights often offer cheaper economy fares by routing through hubs like Phoenix (PHX), Denver (DEN), or San Francisco (SFO), but require longer total travel time and carry a risk of missed connections. For the cheapest economy travel, compare total trip time and price—choose connections when savings justify the added time, or nonstop for shorter trips and higher convenience.
Airline Comparison for Ontario International Airport (ONT) — Cheapest Economy Options
Southwest: Strong budget-friendly options with free checked bags and broad domestic route coverage—often the best total-value economy option from Ontario International Airport (ONT). Alaska Airlines: Competitive fares and premium perks on West Coast routes; baggage fees vary by fare class. American/United: Provide wide network connections and frequent-flier crediting but may have basic economy fares with strict restrictions and fees. For cheapest economy travel, weigh Southwest for included baggage vs. basic economy promo fares from legacy carriers and always calculate total door-to-door cost including seat and baggage fees. CTA: Compare real-time prices from Ontario International Airport (ONT) across these carriers to identify the cheapest economy option that meets your needs.
Seasonal Travel Tips for Cheapest Economy Flights from Ontario International Airport (ONT)
Winter (Dec–Feb): Book early for holiday travel; aim for January/February for the cheapest economy fares and layer clothing for cool inland mornings. Spring (Mar–May): Watch for event-driven price spikes (Coachella, conventions); mid-April and May can be wallet-friendly for economy seats. Summer (Jun–Aug): Expect highest prices—book 6–8+ weeks ahead and target midweek or red-eye flights to save. Fall (Sep–Nov): September and early November are top months for cheap economy fares; travel midweek and be flexible with airports. CTA: Use seasonal strategies when searching economy flights from Ontario International Airport (ONT) to secure the best-priced seats year-round.
Flight Times and Schedules from Ontario International Airport (ONT) — Economy Routes
Sample non-stop flight durations from Ontario International Airport (ONT): Las Vegas (LAS) ~1h 0m; Phoenix (PHX) ~1h 15m; San Diego (SAN) ~45m; San Francisco (SFO) ~1h 20m; Seattle (SEA) ~2h 30m; Denver (DEN) ~2h 10m; Chicago (ORD) ~4h 0m; New York (JFK/EWR, connecting) ~5–6h total including a single connection. Schedules vary seasonally—weekends and holidays typically add more afternoon/evening peak flights. For the cheapest economy itineraries, consider early-morning or late-night departures and check connecting hubs like PHX, SFO, and DEN for low-cost routing options. CTA: Check current airline schedules from Ontario International Airport (ONT) and compare timing for the cheapest economy connections.
Cheap Flights from Ontario International Airport (ONT) — Economy Fare Strategies
To find cheap economy flights from Ontario International Airport (ONT), use flexible-date searches, multi-month calendars, and price alerts from major OTAs and airline sites. Prioritize midweek departures, red-eye flights, and off-peak months (January, February, September) for the lowest fares. Compare nearby airports (Los Angeles International, John Wayne/Orange County) for route and cost differences, and always add potential baggage and seat fees into your total price comparison. CTA: Start a fare watch for economy flights from Ontario International Airport (ONT) and compare multiple carriers for the best low-cost option.