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Flights to Ontario, California

Find cheap flights to Ontario, California in 2025/2026

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Our Flight Finder compares the cheapest flights to Ontario, California from the most established flight comparison sites.
Fly to Ontario, California and visit sites like Planes of Fame Air Museum, Cucamonga-Guasti Regional Park, Jurupa Mountains Discovery Center & Yanks Air Museum.

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1. Enter your search requirements for Ontario, California

2. Compare the best Ontario, California deals from top comparison engines

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What are the cheapest return flights to Ontario, California in 2025/2026?

These economy flights were found on FlightsFinder from Indonesia to Ontario, California in the last few days. Prices subject to availability.

What are the cheapest one-way flights to Ontario, California in 2025/2026?

These economy flights were found on FlightsFinder from Indonesia to Ontario, California in the last few days. Prices subject to availability.

When are flights to Ontario, California cheapest?

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The month of August

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According to our data, August is on average the cheapest time to book flights to Ontario, California.
You can get flights from return.

When is the most expensive time to fly to Ontario, California?

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The month of April

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According to our data, April is on average the most expensive time to book flights to Ontario, California.
A return flight could set you back more than Rp17,267,020.

Why fly to Ontario, California?

Located in Southern California, Ontario is a vibrant city known for its diverse culture, rich history, and flourishing economy. With its proximity to major attractions such as the Ontario Mills shopping mall and the Toyota Arena, Ontario offers a perfect blend of urban excitement and natural beauty. The city boasts a range of outdoor recreational activities, including hiking in the nearby Mount Baldy and exploring the picturesque Cucamonga Wilderness. Whether you're a food enthusiast, outdoor adventurer, or history buff, Ontario has something to offer everyone, making it a truly dynamic destination worth exploring.

Frequently asked questions about Flights to Ontario, California

Which popular airports are close to Ontario, California?

How long does it take to fly to Ontario, California?

How do I find the cheapest possible flights to Ontario, California?

Are there direct flights to Ontario, California?

What is the weather like in Ontario, California?

How far is the main airport in Ontario, California from the city centre?

How far in advance should I book my flight to Ontario, California?

Which day is cheapest to fly to Ontario, California?

Weather in Ontario, California

Clear
Clear

35.1 °C

Fri, 9 May 2025

Average Temperature

18°C

Jan

19°C

Feb

21°C

Mar

23°C

Apr

26°C

May

30°C

Jun

33°C

Jul

34°C

Aug

32°C

Sep

27°C

Oct

23°C

Nov

19°C

Dec

Ontario, California

Flight Distance and Flying Time to Ontario, California

Jakarta, Indonesia - Airport Soekarno-Hatta International (CGK) to Ontario, California (ONT)

Distance:
9,018 miles (14,513 kilometres)

Average flight time (direct 20 hours 32 minutes)

Bali, Indonesia - Denpasar Ngurah Rai International Airport (DPS) to Ontario, California (ONT)

Distance:
8,671 miles (13,954 kilometres)

Average flight time (direct 19 hours 46 minutes)

Surabaya, Indonesia - Juanda Airport (SUB) to Ontario, California (ONT)

Distance:
8,745 miles (14,074 kilometres)

Average flight time (direct 19 hours 56 minutes)

Pekanbaru, Indonesia - Sultan Syarif Kasim II Airport (PKU) to Ontario, California (ONT)

Distance:
8,962 miles (14,423 kilometres)

Average flight time (direct 20 hours 24 minutes)

Yogyakarta, Indonesia - Adisutjipto Airport (JOG) to Ontario, California (ONT)

Distance:
8,890 miles (14,307 kilometres)

Average flight time (direct 20 hours 15 minutes)

Bandung, Indonesia - Husein Sastranegara Airport (BDO) to Ontario, California (ONT)

Distance:
9,004 miles (14,491 kilometres)

Average flight time (direct 20 hours 30 minutes)

Palembang, Indonesia - S M Badaruddin II Airport (PLM) to Ontario, California (ONT)

Distance:
8,969 miles (14,435 kilometres)

Average flight time (direct 20 hours 25 minutes)

Makassar, Indonesia - Sultan Hasanuddin Airport (UPG) to Ontario, California (ONT)

Distance:
8,278 miles (13,321 kilometres)

Average flight time (direct 18 hours 53 minutes)

Balikpapan, Indonesia - Sepinggan Airport (BPN) to Ontario, California (ONT)

Distance:
8,261 miles (13,295 kilometres)

Average flight time (direct 18 hours 51 minutes)

Semarang, Indonesia - Ahmad Yani Airport (SRG) to Ontario, California (ONT)

Distance:
8,858 miles (14,256 kilometres)

Average flight time (direct 20 hours 11 minutes)

Lombok, Indonesia - Lombok International Airport (LOP) to Ontario, California (ONT)

Distance:
8,610 miles (13,856 kilometres)

Average flight time (direct 19 hours 37 minutes)

Manado, Indonesia - Sam Ratulangi Airport (MDC) to Ontario, California (ONT)

Distance:
7,706 miles (12,401 kilometres)

Average flight time (direct 17 hours 37 minutes)

Surakarta Solo, Indonesia - Adisumarmo Airport (SOC) to Ontario, California (ONT)

Distance:
8,861 miles (14,260 kilometres)

Average flight time (direct 20 hours 11 minutes)

Batam, Indonesia - Hang Nadim Airport (BTH) to Ontario, California (ONT)

Distance:
8,802 miles (14,166 kilometres)

Average flight time (direct 20 hours 3 minutes)

Padang, Indonesia - Minangkabau Airport (PDG) to Ontario, California (ONT)

Distance:
9,081 miles (14,615 kilometres)

Average flight time (direct 20 hours 40 minutes)

Pontianak, Indonesia - Supadio Airport (PNK) to Ontario, California (ONT)

Distance:
8,602 miles (13,844 kilometres)

Average flight time (direct 19 hours 36 minutes)

Banda Aceh, Indonesia - Sultan Iskandar Muda Airport (BTJ) to Ontario, California (ONT)

Distance:
8,955 miles (14,412 kilometres)

Average flight time (direct 20 hours 24 minutes)

Jayapura, Indonesia - Sentani Airport (DJJ) to Ontario, California (ONT)

Distance:
6,998 miles (11,262 kilometres)

Average flight time (direct 16 hours 3 minutes)

Banjarmasin, Indonesia - Syamsudin Noor Airport (BDJ) to Ontario, California (ONT)

Distance:
8,470 miles (13,631 kilometres)

Average flight time (direct 19 hours 19 minutes)

Ambon, Indonesia - Pattimura International Airport (AMQ) to Ontario, California (ONT)

Distance:
7,747 miles (12,467 kilometres)

Average flight time (direct 17 hours 42 minutes)

Belitung, Indonesia - Tanjung Pandan H.A.S. Hanandjoeddin International Airport (TJQ) to Ontario, California (ONT)

Distance:
8,807 miles (14,174 kilometres)

Average flight time (direct 20 hours 4 minutes)

Jambi, Indonesia - Sultan Thaha Airport (DJB) to Ontario, California (ONT)

Distance:
8,961 miles (14,421 kilometres)

Average flight time (direct 20 hours 24 minutes)

Bengkulu, Indonesia - Fatmawati Soekarno Airport (BKS) to Ontario, California (ONT)

Distance:
9,133 miles (14,698 kilometres)

Average flight time (direct 20 hours 47 minutes)

Map of Ontario, California

Travel Videos About Ontario, California

Cheapest flight routes found to Ontario, California

From Jakarta

From Jakarta (CGK), Indonesia to Ontario, United States (ONT): Rp12,292,001

Depart: 20 Aug 2025 · Return: 20 Oct 2025 Price found 07 May 2025, 22:02

From Denpasar

From Denpasar (DPS), Indonesia to Ontario, United States (ONT): Rp16,072,552

Depart: 05 Sep 2025 · Return: 19 Sep 2025 Price found 09 May 2025, 05:45

From Surabaya

From Surabaya (SUB), Indonesia to Ontario, United States (ONT): Rp19,134,619

Depart: 20 Jun 2025 · Return: 20 Jul 2025 Price found 06 May 2025, 08:46

From Palembang

From Palembang (PLM), Indonesia to Ontario, United States (ONT): Rp19,492,465

Depart: 23 May 2025 · Return: 26 May 2025 Price found 09 May 2025, 16:04

From Pekanbaru

From Pekanbaru (PKU), Indonesia to Ontario, United States (ONT): Rp19,822,398

Depart: 15 May 2025 · Return: 22 May 2025 Price found 07 May 2025, 07:07

From Pontianak

From Pontianak (PNK), Indonesia to Ontario, United States (ONT): Rp20,049,797

Depart: 20 Jun 2025 · Return: 27 Jun 2025 Price found 06 May 2025, 01:22

From Semarang

From Semarang (SRG), Indonesia to Ontario, United States (ONT): Rp20,454,165

Depart: 13 May 2025 · Return: 20 May 2025 Price found 08 May 2025, 08:53

From Makassar

From Makassar (UPG), Indonesia to Ontario, United States (ONT): Rp21,020,243

Depart: 23 Jun 2025 · Return: 30 Jun 2025 Price found 09 May 2025, 21:18

From Manado

From Manado (MDC), Indonesia to Ontario, United States (ONT): Rp22,430,599

Depart: 12 Jul 2025 · Return: 31 Aug 2025 Price found 09 May 2025, 02:05

From Batam

From Batam (BTH), Indonesia to Ontario, United States (ONT): Rp35,961,755

Depart: 25 May 2025 · Return: 01 Jun 2025 Price found 07 May 2025, 01:32