July 28, 2025

Ontario International Airport (ONT) Guide

Whether you face a speedy connection, a bleary-eyed red-eye or a full overnight stretch, the Travel Code Ontario Airport Guide is the perfect springboard for planning. Inside you’ll find the low-down on ONT services and facilities: lounges, Wi-Fi, charging points, lockers, 24-hour nibbles, airport hotels, ground transport and everything that comes between.

“The seats have armrests, but staff are friendly and security usually leaves you alone.” — Lydia

ONT Airport Overview

Ontario International Airport (IATA: ONT) features three terminals: Terminal 2, Terminal 4 and the International Arrivals facility. Departures operate from Terminals 2 or 4, while the compact two-gate international hall welcomes inbound overseas flights. Landside courtesy shuttles link the buildings in just a few minutes. Amenities remain modest—expect only a fistful of eateries and shops, complimented by free four-hour Wi-Fi. Nothing runs 24/7, so night owls should stock up in advance. Economy passengers can buy access to the Aspire Lounge.

Sleeping in Ontario Airport

Recent sleep reports are scarce, yet the feedback we do receive notes acceptable warmth and lighting, but limited arm-rest-free seating. Power outlets are sporadic, therefore a portable battery is priceless. For deeper shut-eye, several nearby hotels send complimentary shuttles—jump to our Airport Hotels section.
Remember: “landside” indicates pre-security public zones, while “airside” sits beyond TSA screening.

Airport Hours

The terminal buildings stay open 24 hours daily. Airline counters, TSA lanes and bag drops mirror flight schedules, so reconfirm specifics with your carrier. Landside visitors cannot cross into airside until the morning reopening of checkpoints.

Rest & Relaxation Zones

No designated quiet rooms or nap pods exist. If you discover new options, please let Travel Code know.

Cots

ONT does not distribute cots during cancellations. Should that policy evolve, share an update.

Airport Hotels

If the floor looks unforgiving, consider these properties within five minutes of ONT:

  • Candlewood Suites, Ontario Convention Center – walkable, no shuttle.
  • Comfort Suites Ontario Convention Center – free shuttle on demand.
  • Azure Hotel & Suites, Ontario Airport – taxi or ride-share, no shuttle.

Compare rates and read peer reviews via Booking.com, Expedia, Hilton, Marriott and more. For broader Southern California stays, Travel Code’s hotel engine lists 250+ options around Los Angeles, Riverside and San Bernardino counties.

Airport Lounges

Pay-per-use, Single-Visit Passes & Memberships

Aspire Lounge – Terminal 2 across from Gate 210 and Terminal 4 opposite Gate 410. Entry: walk-up purchase or LoungeKey/Priority Pass.

Military Lounge

USO Lounge – Western wing landside. Complimentary access for active-duty U.S. military personnel and families.

Drinking Water

Filtered hydration stations live airside in both main terminals. Bring a reusable bottle and fill up for free.

Food & Drinks

Vendors run on individual timetables; none stay open overnight. Pack snacks if you’re landing after midnight. Options during operational hours include:

  • Terminal 2 – Cross-Grain Brewhouse • Harvest & Grounds • Wolfgang Puck Pizza
  • Terminal 4 – Coffee Bean & Tea Leaf • Einstein Bros. • Dunkin’ • Jake’s Bar • Rock & Brews • Wahoo’s Fish Taco

Luggage Storage & Lockers

No lockers are available. Oversize or long-term storage requires an off-airport service.

Mobile Charging

Power points pop up randomly—look along concourse floors near Gates 208-212 and 408-410. Bring your own splitter and extension cord for reliability.

Showers

Showers are not supplied at ONT. Day-use rooms at nearby hotels can bridge the gap if needed.

Wi-Fi / Internet

Free Wi-Fi is broadcast under SSID “ONT-WiFi”. Each device receives four complimentary hours daily—simply refresh for extra time.

Security & Safety

Airport snoozing always carries risk, especially when solo. Heed these basics:

  • Locate security cameras or position yourself within sight of patrols.
  • Stay visible; an occupied zone discourages theft more than a secluded corner.
  • Conceal valuables deep inside bags, lock zippers and attach luggage to a fixed object or your body.
  • Remain alert if intuition warns—caffeine and group chat help until dawn.

More Airport Information

ATMs / Cash Machines

Bank of America and Wells Fargo machines reside on both terminal levels plus the rental car centre. Foreign cards work, but fees apply.

Baby Care Suites

Two private nursing rooms: Terminal 2 across Gate 207 and Terminal 4 opposite Gate 407, each with rocking chair, sink and changing table.

Baggage Carts

Smarte Carte trolleys cost US$6—credit card or tap-to-pay accepted.

Currency Exchange

Unserved at ONT; plan to swap funds in downtown Los Angeles or through your bank in advance.

Duty-Free & Shopping

No duty-free yet. Convenience, tech and gift shops scatter through both concourses.

Information Desks

Look for the “Ask Me!” podiums by baggage claim in Terminals 2 & 4. Volunteers available 07:00-22:00.

SIM Cards

Select SIM vending machines sell AT&T, T-Mobile and eSIM QR packs beginning at US$25.

Traveler’s Aid

This non-profit offers guidance for stranded passengers, emergency housing and ticket re-booking help from 09:00-21:00 daily, landside near each escalator.

Airlines Serving ONT

Aha!, Alaska, American, Avianca, China Airlines, Delta, Frontier, Hawaiian, JetBlue, Southwest, United and Volaris operate scheduled service. Book cheap flights on Travel Code to access exclusive promo codes many OTAs miss.

Airport Transportation

Car Rentals

Alamo, Avis, Budget, Dollar, Enterprise, Fox, Hertz, National, Payless and Thrifty work from the consolidated rental facility a short shuttle away. Buses depart every 5–20 minutes, 24/7.

Hotel Shuttles

Properties such as Best Western Plus, DoubleTree by Hilton, Embassy Suites, Holiday Inn and La Quinta run complimentary vans. Most collect passengers outside baggage claim on the center island.

Inter-Terminal Shuttles

Free ONT Courtesy Shuttles loop between terminals, Lot 5 and ConRAC, running every five minutes during peak and at least every 20 minutes from 00:00-03:00.

Public Transportation

OmniTrans Route 61 links ONT to Ontario, Montclair, Pomona and Fontana. Metrolink rail connections at East Ontario Station open wider Southern California access. Plan journeys via flyontario.com.

Shuttle Vans

SuperShuttle and PrimeTime provide shared rides across the Inland Empire and greater Los Angeles. Advance booking secures lower fares though curbside walk-ups are possible.

Taxis & Ride-Shares

Metered cabs queue outside baggage claim from 07:00-00:00. Lyft and Uber meet passengers on the outer curb; expect LA-area surge pricing during peak traffic.


This Travel Code guide aggregates data from airlines, ONT, local transport providers and partner brands such as Priority Pass and OmniTrans. Facilities, prices and schedules can shift without notice. To correct or enrich details, contact Travel Code. For corporate groups explore our mice tourism solutions. Happy travels!

 

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