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Ontario, CaliforniaOntario

Spend a half‑day at Ontario Mills and the Museum of History & Art; add a night only if you need airport lodging or a car‑rental base.

Ontario is a gateway city in the Inland Empire, known for a large outlet mall, a modest history museum and a quieter international airport. It works as a quick stop for shoppers or a convenient base for flights and nearby desert trips.

basic guide: no trip line yet
More
3 pages, for the metro and roaming-off days
Map
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More ways in
Print / PDF guide
Local time, weather, currency, airports
Weather
see forecast
Currency
USD
Best months
Mar–May, Sep–Nov
avoid Jul–Aug (high heat, occasional smog)
Airport
Ontario (ONT)
Nights
0–1 (half‑day stop) or 1 if you need airport lodging

About Ontario, California

Ontario sits in San Bernardino County within Southern California, more than 35 miles (50 km) east of Los Angeles. It is reached by Interstate 10, roughly 37 miles from Los Angeles and 24 miles west of San Bernardino. The city has no clearly defined downtown; city hall and other government functions cluster northeast of Euclid Ave and Holt Blvd.

For travelers, Ontario is known mainly for a large mall and Ontario International Airport, a quieter and less crowded option than LAX and the main airport for the Inland Empire. Two Metrolink and Amtrak stations, plus several bus lines, connect it to Los Angeles, Riverside and beyond.

Not a trip line yet

This is a basic guide for Ontario, California: no airport-to-bed path, walking clusters or day plans yet. Fares and schedules here are unverified. What this page does cover
Rules in force · 7Crossing between the US, Canada and Mexico by land needs …Cannabis is legal in Canada and in many US states, but ta…
  • North America ↗Crossing between the US, Canada and Mexico by land needs your passport even on a day trip; rental cars need the company's written permission to cross, and most US and Canadian rental insurance stops at the Mexican border.
  • North America ↗Cannabis is legal in Canada and in many US states, but taking any amount across the US, Canadian or Mexican border is a federal crime — including edibles and vapes.
  • North America ↗The busiest US and Canadian national parks need timed-entry, campsite or lodge reservations in summer; release dates are months ahead.
  • United States ↗Check whether you need an ESTA (Visa Waiver Program) or a visa on the official CBP and State Department sites; apply only through esta.cbp.dhs.gov, not third-party sites, and allow time before you book.
  • United States ↗Several popular national parks use timed-entry or vehicle reservations in peak season; check each park's page on nps.gov and book on recreation.gov before fixing your dates.
  • United States ↗Medical care is very expensive for visitors; buy travel insurance with high medical cover before you fly.
  • United States ↗Tipping is expected: about 15–20% at sit-down restaurants and bars, and a tip for taxis, hotel staff and guides.

Entry rules depend on your passport. Full visa guide

Checking your follows…
What is in this basic guide9 covered · 4 not yet ▾

Not in this guide yet

  • Walking areas with bag rules
  • Day plans checked against opening hours
  • Airport-to-bed timings and the last safe connection
  • Field-checked times and prices

See

What is worth your time in Ontario, California.

  • Museum of History and Art — The city's history museum, on South Euclid Ave one block north of the Ontario Amtrak station, open Thursday through Sunday from noon to 4PM.
  • Ontario Convention Center — A convention facility on East Convention Center Way, listed as a local point of interest.
  • Ontario International Airport — The regional airport serving the Inland Empire, with two commercial terminals and a separate international arrivals building.

Do

  • Shop at the large mall that gives Ontario much of its visitor traffic.
  • Use the city as a base for flights through Ontario International Airport.
  • Take a car to remote locales such as Joshua Tree.

Customs

  • Ontario has no clearly defined downtown; its civic core is the area northeast of Euclid Ave and Holt Blvd.
Emergency numbers for Ontario, California911 ▾
  • Police/Fire/Ambulance911

Tap a number to call from your phone. These are the numbers listed in this guide; a row marked check has not been verified.

EssentialsQuick answers and what things cost

Essentials

Quick answers and what things cost

Quick answers

The questions people ask first about Ontario, California, one line each. Tap a card for the full answer.

Show all 12 answers

Cost cheat-sheet

2026 desk estimate · check

Typical prices for the everyday things, as ranges. Your currency is shown next to the local price.

  • CoffeeCoffee (café)$2–$4
  • Taxi, about 5 km (3 mi)5 km (3.1 mi) taxi ride$15–$20
  • Metro or bus rideMetrolink one‑way ticketcheck$7–$12
  • Budget bedMotel or budget chain, a night, per personUS$55
  • Mid-range bedMid‑range hotel (e.g., Best Western), a night, per roomUS$150
  • High-end bedMid‑range hotel (e.g., Best Western), a night, per roomUS$200

A day, not counting the bed: Budget US$45 · Mid US$95 · High US$150

Prices in local money; change the currency in the header to see yours next to them. Every price and the budget calculator →

DecideWhat it is known for, and when the weather works

Decide

What it is known for, and when the weather works

At a glance

What the city is known for, how you fly in, and where to find the phrases.

Ontario Mills MallMuseum of History and ArtOntario International Airport
Airports
ONT Ontario International Airport (2 terminals, free shuttle to car‑rental area)

Map of Ontario, California

Where it is, and the guides within about 120 km.

UplandChinoRancho CucamongaClaremont, CaliforniaPomonaChino HillsLa VerneNorco

Map data © OpenStreetMap contributors

  • Ontario, California
  • Basic guide

Directions in Google Maps · Apple Maps

Guides nearby

Best months at a glance

From the guide's best and avoid lists

  1. Jan

    not flagged

    19°C (66°F)

  2. Feb

    not flagged

    20°C (68°F)

  3. Mar

    Best

    22°C (72°F)

  4. Apr

    Best

    25°C (77°F)

  5. May

    Best

    28°C (82°F)

  6. Jun

    not flagged

    33°C (91°F)

  7. Jul

    Avoid

    36°C (97°F)

  8. Aug

    Avoid

    36°C (97°F)

  9. Sep

    Best

    33°C (91°F)

  10. Oct

    Best

    27°C (81°F)

  11. Nov

    Best

    22°C (72°F)

  12. Dec

    not flagged

    18°C (64°F)

Best: Mar–May, Sep–Nov. Avoid: Jul–Aug. Month by month →

Warmest Jul (36°C (97°F)), coolest Jan (7°C (45°F) low), wettest Jan (5 rain days), driest Jul (0). Averages, not a forecast.

Weather and climate

Forecast from Open-Meteo · averages rounded

Ontario, California: next 7 days

Loading forecast…

Forecast: Open-Meteo (CC BY 4.0), model data for this point.

Air quality

Loading…

Model estimate (CAMS via Open-Meteo), not a street-level station; readings near busy roads run higher.

Jan

19°C (66°F)

7°C (45°F)

5 rd

Feb

20°C (68°F)

8°C (46°F)

5 rd

Mar

22°C (72°F)

9°C (48°F)

4 rd

Apr

25°C (77°F)

11°C (52°F)

3 rd

May

28°C (82°F)

14°C (57°F)

2 rd

Jun

33°C (91°F)

18°C (64°F)

1 rd

Jul

36°C (97°F)

21°C (70°F)

0 rd

Aug

36°C (97°F)

21°C (70°F)

0 rd

Sep

33°C (91°F)

18°C (64°F)

1 rd

Oct

27°C (81°F)

13°C (55°F)

3 rd

Nov

22°C (72°F)

9°C (48°F)

4 rd

Dec

18°C (64°F)

7°C (45°F)

5 rd

High / low, both scales · rd = rain days

Arrive & moveAirports are listed under At a glance; this is how to move once you are in

Arrive & move

Airports are listed under At a glance; this is how to move once you are in

Getting around

Car rentals at the airport are the fastest; Metrolink (East Ontario station) links to LA and Riverside; OmniTrans buses (61, 380) serve the mall and airport; I‑10 and I‑15 provide highway access.

See & doDay-trips, door to door

See & do

Day-trips, door to door

Day-trips

Door-to-door, not ride time

Rancho Cucamonga

go

Door to door: ≈15 min

Drive north on I‑10, exit 51, 10 min

Shopping, dining, easy parking.

San Bernardino

go

Door to door: ≈25 min

Drive west on I‑10, 20 min

Historic downtown, Route 66 museum.

Palm Springs

caution

Door to door: ≈1 h 15 min

Drive south on I‑15, 1 h 10 min

Heat in summer; best early spring or fall.

Eat & sleepWhich area to sleep in

Eat & sleep

Which area to sleep in

Where to sleep

Areas, not hotels: pick the one that fits your arrival time and plans.

Best Western Ontario Airport

Close to airport, free parking

Azure Hotel & Suites, Trademark Collection by Wyndham

Boutique, free breakfast, airport shuttle

Rodeway Inn Ontario Mills Mall

Near mall, free Wi‑Fi

PracticalWhat a day costs, what to watch out for, and the pocket card

Practical

What a day costs, what to watch out for, and the pocket card

Cost per day

2026 estimate, excluding the bed unless stated
Budget
$45–$70 excl. bed
Mid
$70–$120 excl. bed
High
$120+ excl. bed

Trip budget

2026 estimate · converts to your currency
Mid‑range hotel (e.g., Best Western)1 × 1 night × US$150US$150
Food, local transport, entries2 × 1 day × US$95US$190
Car rental (compact, 3‑day)2 × US$130 · Check insurance coverage.US$260
OmniTrans 61 day pass2 × US$12 · checkUS$24
eSIM data (7 days, 5 GB)2 × US$25 · checkUS$50
Buffer 10%Price creep, a taxi you did not plan, one splurgeUS$67
Trip total≈ US$371 per person per day, bed includedUS$741

Includes breakfast.

2026 estimate in USD; flights and long‑distance rail excluded.

Prices of common things

Coffee (café)$2–$4
Fast‑food combo$6–$9
5 km taxi ride$15–$20
Parking at Ontario Airport (24 h)$12–$18
Metrolink one‑way ticketcheck$7–$12

2026 estimate; check locally.

Watch out

Safety

Ontario is generally safe for tourists; stay aware of traffic on I‑10/I‑15 and keep valuables secure in crowded areas.
  • Summer temperatures often exceed 35 °C (95 °F); stay hydrated.
  • Peak I‑10 traffic in weekday rush hours; allow extra travel time.
  • Limited nightlife; plan dinner earlier if staying late.

Emergency numbers

Police/Fire/Ambulance
911

Pocket card

One page · print or save as PDF

Fill in, then print or save as PDF

Stays in this browser only; nothing is sent anywhere.

Ontario, CaliforniaOntario

Pocket card · Voykit

My bed tonight

—

—

—

A esta dirección, por favorTo this address, please

Emergency

  • Police/Fire/Ambulance911

Embassy

My embassy: —

Fare anchors (2026 estimate)

  • ONT → Downtown LA (Metrolink): about $9, 45 min (check)
  • Airport shuttle to car‑rental terminal: free, 5 min walk
  • OmniTrans 61 bus to Ontario Mills: about $2, 10 min (check)

Say or show

  • Disculpe — Excuse me / Sorry (dis‑kul‑pe)
  • Gracias — Thank you (gra‑see‑as)
  • ¿Cuánto cuesta? — How much is it? (kwan‑to kwes‑ta)
  • ¿Dónde está el baño? — Where is the restroom? (don‑de es‑ta el ba‑nyo)
  • ¿Puedo pagar con tarjeta? — Can I pay by card? (pwe‑do pa‑gar con tar‑he‑ta)

All phrases are Spanish, the common language for visitors in Southern California.

Deep diveWhat this guide covers so far, and its sources

Deep dive

What this guide covers so far, and its sources

Not a trip line yet

This is a basic guide: no airport-to-bed contract, walking clusters or day plans are published for Ontario, California. Airport, fare and schedule details are unverified; check the operators before you fly.

What we know, and what is coming

On this page

  1. Best months: Mar–May, Sep–Nov · avoid Jul–Aug (high heat, occasional smog) · month by month →
  2. 1 airport and 3 areas to sleep in
  3. Weather: a 7-day forecast and monthly averages
  4. Cost per day in 3 bands
  5. 3 day-trips, door to door
  6. 3 things to watch out for, with emergency numbers

Coming as the guide grows

  1. An airport-to-bed path that says whether a late landing still works
  2. Walking clusters with bag rules
  3. Day plans checked against opening hours
  4. Field-verified times and fares

Meanwhile

Back to United States

Sources

Ask about Ontario, California

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