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Ontario International Airport (ONT)

Ontario, United States · large airport · 34.056° -117.601° ·
Airport Information
IATA CodeONT
ICAO CodeKONT
Typelarge airport
NameOntario International Airport
MunicipalityOntario
CountryUnited States
ContinentNA
Latitude34.056° N
Longitude-117.601° W
Elevation944 ft
Climate ZoneTemperate
Scheduled ServiceYes
Score1 475
Local TimeLoading...
Country & Timezone Info
CountryUnited States
ISO Code
RegionOntario
Continent CodeNA
IANA TimezoneAmerica/New_York
UTC Offset (Standard)UTC-5
DST OffsetUTC-4
Current Offset--

🌬 Best Time to Fly

Recommended: May – September
Pleasant temperatures across most regions
Loading season...
Spring: Mar–MaySummer: Jun–AugAutumn: Sep–NovWinter: Dec–Feb

✈ Airlines Serving ONT

AA — American AirlinesDL — Delta Air LinesUA — United AirlinesWN — Southwest AirlinesAS — Alaska AirlinesB6 — JetBlueAC — Air Canada

🌡 Climate — Temperate (34.1°N)

Jan
8°
0°
Feb
10°
1°
Mar
13°
4°
Apr
17°
7°
May
21°
11°
Jun
26°
15°
Jul
28°
17°
Aug
27°
16°
Sep
23°
13°
Oct
18°
9°
Nov
12°
5°
Dec
9°
1°
* Approximate average temperatures by month based on temperate latitude zone

✨ AI-Enhanced Insights

Ontario International Airport (ONT) is a commercial airport in Ontario, California, about 35 miles east of downtown Los Angeles, serving the Inland Empire region. Formerly owned by Los Angeles World Airports, it was transferred to the Ontario International Airport Authority in 2016 and has since expanded domestic and cross-border service. The airport has two passenger terminals, Terminals 2 and 4, and is a key airport for Southwest Airlines.

💡 Local Tip
If you're early, the upper level of the Terminal 4 parking garage is a quiet spot with runway views; it's a favorite for local plane spotters.
🚖 Getting There

ONT is accessible from I-10 and I-15, with rental cars, rideshare, and taxis available outside baggage claim. Public transit is limited: Omnitrans buses and Metrolink from nearby stations can work, but schedules are infrequent, so check times in advance. For drop-offs and pickups, use the free cell phone waiting lot to avoid circling the terminals.

❓ Frequently Asked Questions
Q: What airlines serve Ontario International Airport?
A: ONT is served by major domestic carriers including Southwest, American, Delta, United, Alaska, and Frontier, plus international airlines such as Volaris. Service varies by season, so check the airport or airline website for current routes.

Q: How far is ONT from downtown Los Angeles?
A: It is about 35 miles east of downtown Los Angeles. Depending on traffic on I-10 or I-15, the drive typically takes 45 to 75 minutes.

Q: What terminals are at ONT?
A: ONT has two passenger terminals: Terminal 2 and Terminal 4. Check your airline's terminal assignment before arriving, as they can change.

Q: Is there public transportation to ONT?
A: Public transit is limited; Omnitrans buses and Metrolink connections from nearby stations serve the area, but most travelers use rideshare, taxis, or rental cars. Allow extra time if relying on transit.

AI-generated content · Generated Sep 27, 2026 · deepseek-v4.1-flash

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