5/ 5 reviews
Easy in & out
“I saw a full-size Mexican restaurant and bar, brunch eatery, a Dunkin' and many name brand fast food chains.”
Lorenzo Warfel5★ on Google
Airports / California / ONT
Large airport · ONT
Ontario International Airport.
Ontario, California · 944 ft elevation. 1 charter operator based here.
4.5/5
Google rating
9,759 ratings
1
Operators based
944
Elevation ft
Scheduled service
Ontario, CaliforniaELEV 944 FTLarge airportScheduled service
4.5
Google rating
9,759
Google reviews
ratings on Google
1
Based operators
charter operators on the field
1
FBOs on field
ramp, fuel and handling
944
Field elevation
feet above sea level
Field standing
#53 / 152
California airports by Google rating
4.5★ across 9759 Google ratings , ranked against 152 rated CA fields.
10 nm
To the nearest alternate
Riverside Municipal Airport (RAL), 6 fields within 50 nm.
Overview
Located in Ontario, California, Ontario International Airport (KONT / ONT) operates as a large commercial airport. Field elevation is 944 feet above sea level. Scheduled carriers operate here, and the field also sees regular private and charter activity.
For charter flyers, ONT is a home base: Quantum Jets (Operated by White Horse World Wide LLC) operates from the field. The closest alternate fields are Riverside Municipal Airport (RAL, 10 nm), San Bernardino International Airport (SBD, 18 nm), and March Air Reserve Base (RIV, 20 nm). The field has 2 runways, the longest 12,197-foot paved runway, long enough for charter aircraft up to VIP airliners.
Trip costs from ONT are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from ONT to plan your flight.
1 FBO serves KONT. Run one? Become the preferred FBO
Ramp services
FBOs on the field
Guardian Jet Center
Your FBO? Claim it, freeGuardian Jet Center brings all of the convenience of a large International Airport with none of the stress. Guardian's Customer Service Members know the importance of the Passengers and Flight Crews. Focusing on your needs, since 2001. As a Fixed Base Operator located on the south side of the Ontario International Airport in the city of Ontario, California.
- Fuel
- Hangar
- Mon-Sun 0600-2200
- Unicom 130.75
- Executive lounge
- Conference room
- Wi-Fi
- Cafe
- Vending
- Courtesy car
- Shuttle
- Car rental
- +20 more
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
What fliers highlight.
From the stored review texts
4/ 5 reviews
Terminal & facilities
“If you're into airport lounges there's a place called Aspire that has a relaxing space for you to enjoy.”
Lorenzo Warfel5★ on Google
3/ 5 reviews
Staff & service
“After a fantastic long-haul flight on Starlux—which, by the way, offers incredible service and a stunning cabin—landing at ONT felt like a "boutique" arrival.”
陳鑑安5★ on Google
Themes counted by keyword across Google review texts for Ontario International Airport, every quote is verbatim from a real review.
Field capability
ICAO
KONT
IATA
ONT
FAA / Local
ONT
Elevation
944 ft
Coordinates
34.0560° N · 117.6010° W
Airspace
C · CharlieClass C, CharlieRadar-controlled airspace around mid-size hubs. Aircraft must be in two-way radio contact and squawking a transponder while approach control sequences arrivals.Source: FAA NASR class airspace
Size
Large
Scheduled svc
Yes
Elevation vs CA fields
state range -210–7,135 ft
At 944 ft, ONT sits higher than 70% of the 164 California fields on the register.
Runways & aircraft access
2 runways
longest 12,197 ft
- 08L/26R12,197 ft × 150 ftConcreteLighted
- 08R/26L10,200 ft × 150 ftConcreteLighted
Which aircraft can operate here
vs longest paved runway 12,197 ft
ONT's 12,197 ft paved runway typically supports charter aircraft up to VIP airliners.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Based charter operators1
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 10nmRALRiverside Municipal AirportRiverside
- 18nmSBDSan Bernardino International AirportSan Bernardino
- 20nmRIVMarch Air Reserve BaseRiverside
- 26nmSNAJohn Wayne Orange County International AirportSanta Ana
- 27nmKSLILos Alamitos Army Air FieldLos Alamitos
- 31nmLGBLong Beach International AirportLong Beach
Location
Open the full mapKONT · Ontario International Airport · Ontario, CA
From the ramp
Google Places photography of Ontario International Airport, tap any frame to view full-screen, then cycle with the arrows or your keyboard.
Flight times from here
Approximate nonstop block times from ONT on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Las Vegas (LAS) | 171 nm | 48m |
| Scottsdale (SCF) | 285 nm | 1h 4m |
| San Francisco (SFO) | 316 nm | 1h 8m |
| Salt Lake City (SLC) | 485 nm | 1h 32m |
| Aspen (ASE) | 602 nm | 1h 48m |
| Vail / Eagle (EGE) | 612 nm | 1h 49m |
| Jackson Hole (JAC) | 657 nm | 1h 56m |
| Denver (DEN) | 710 nm | 2h 3m |
Common questions
- What size private jets can use ONT?
- Ontario International Airport's longest paved runway is 12,197 ft, which typically supports charter aircraft up to VIP airliners. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at ONT?
- Ontario International Airport has 2 runways; the longest measures 12,197 ft on a paved surface and is lit for night operations.
- Are there charter operators based at ONT?
- Yes. 1 charter operator list Ontario International Airport as a home base, including Quantum Jets (Operated by White Horse World Wide LLC). You can also request quotes from operators that reposition aircraft into the field.
- Which FBOs are at Ontario International Airport?
- One FBO serves ONT: Guardian Jet Center. Phone, website, hours, unicom and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to ONT?
- The closest alternate is Riverside Municipal Airport (RAL), about 10 nm away, followed by San Bernardino International Airport (SBD) at 18 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from ONT to major cities?
- Typical block times on a midsize jet: Scottsdale about 1h 4m (285 nm), San Francisco about 1h 8m (316 nm), Salt Lake City about 1h 32m (485 nm). Faster classes trim these times; add positioning and taxi for the real schedule.