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Flights to Ontario, California

Find cheap flights to Ontario, California in 2025/2026 from $57 This is the cheapest return flight found to Ontario, California from USA on FlightsFinder on June 17th 2025 at 14:06. This offer may no longer be available. Click the offer to check live prices & dates of travel.

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

These economy flights were found on FlightsFinder from USA 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 USA 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 July

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According to our data, July is on average the cheapest time to book flights to Ontario, California.
You can get flights from $57 return.

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

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The month of May

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According to our data, May is on average the most expensive time to book flights to Ontario, California.
A return flight could set you back more than $298.

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

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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?

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Which day is cheapest to fly to Ontario, California?

Weather in Ontario, California

Clear
Clear

87.2 °F

Wed, 18 Jun 2025

Average Temperature

65°F

Jan

66°F

Feb

70°F

Mar

74°F

Apr

79°F

May

86°F

Jun

92°F

Jul

94°F

Aug

89°F

Sep

81°F

Oct

73°F

Nov

66°F

Dec

Ontario, California

Flight Distance and Flying Time to Ontario, California

Atlanta, USA - Georgia, Atlanta Hartsfield-Jackson International Airport (ATL) to Ontario, California (ONT)

Distance:
1,895 miles (3,050 kilometres)

Average flight time (direct 4 hours 42 minutes)

Los Angeles, USA - California, Los Angeles International Airport (LAX) to Ontario, California (ONT)

Distance:
47 miles (75 kilometres)

Average flight time (direct 36 minutes)

New York, USA - John F Kennedy International Airport (JFK) to Ontario, California (ONT)

Distance:
2,424 miles (3,901 kilometres)

Average flight time (direct 5 hours 53 minutes)

Dallas, USA - Dallas, Texas Fort Worth International Airport (DFW) to Ontario, California (ONT)

Distance:
1,186 miles (1,908 kilometres)

Average flight time (direct 3 hours 8 minutes)

Denver, USA - Colorado, Airport - Denver International Airport (DEN) to Ontario, California (ONT)

Distance:
818 miles (1,316 kilometres)

Average flight time (direct 2 hours 19 minutes)

San Francisco, USA - California, San Francisco International Airport (SFO) to Ontario, California (ONT)

Distance:
363 miles (585 kilometres)

Average flight time (direct 1 hour 18 minutes)

Seattle, USA - Airport - Seattle Tacoma International, Washington (SEA) to Ontario, California (ONT)

Distance:
957 miles (1,540 kilometres)

Average flight time (direct 2 hours 37 minutes)

Las Vegas, USA - Nevada, McCarran International Airport (LAS) to Ontario, California (ONT)

Distance:
197 miles (317 kilometres)

Average flight time (direct 56 minutes)

Orlando, USA - Florida, Orlando International Airport (MCO) to Ontario, California (ONT)

Distance:
2,167 miles (3,488 kilometres)

Average flight time (direct 5 hours 18 minutes)

Charlotte, USA - North Carolina, Douglas International Airport (CLT) to Ontario, California (ONT)

Distance:
2,074 miles (3,337 kilometres)

Average flight time (direct 5 hours 6 minutes)

Phoenix, USA - Arizona, Phoenix Sky Harbor International Airport (PHX) to Ontario, California (ONT)

Distance:
324 miles (521 kilometres)

Average flight time (direct 1 hour 13 minutes)

Houston, USA - Texas, Airport - George Bush Intercontinental (IAH) to Ontario, California (ONT)

Distance:
1,331 miles (2,142 kilometres)

Average flight time (direct 3 hours 27 minutes)

Miami, USA - Florida, Miami International Airport (MIA) to Ontario, California (ONT)

Distance:
2,292 miles (3,689 kilometres)

Average flight time (direct 5 hours 35 minutes)

Boston, USA - Massachusetts, Edward L. Logan International Airport (BOS) to Ontario, California (ONT)

Distance:
2,561 miles (4,121 kilometres)

Average flight time (direct 6 hours 11 minutes)

Minneapolis, USA - Minnesota, Airport - St. Paul International (MSP) to Ontario, California (ONT)

Distance:
1,492 miles (2,400 kilometres)

Average flight time (direct 3 hours 48 minutes)

Fort Lauderdale, USA - Florida, Fort Lauderdale-Hollywood International Airport (FLL) to Ontario, California (ONT)

Distance:
2,293 miles (3,690 kilometres)

Average flight time (direct 5 hours 35 minutes)

Detroit, USA - Michigan, Airport - Metropolitan Wayne County International (DTW) to Ontario, California (ONT)

Distance:
1,930 miles (3,106 kilometres)

Average flight time (direct 4 hours 47 minutes)

Philadelphia, USA - Pennsylvania, Airport - Philadelphia International (PHL) to Ontario, California (ONT)

Distance:
2,351 miles (3,783 kilometres)

Average flight time (direct 5 hours 43 minutes)

Baltimore, USA - Maryland, Baltimore/Washington International Airport (BWI) to Ontario, California (ONT)

Distance:
2,278 miles (3,666 kilometres)

Average flight time (direct 5 hours 33 minutes)

Salt Lake City, USA - Utah, Salt Lake City International Airport (SLC) to Ontario, California (ONT)

Distance:
558 miles (898 kilometres)

Average flight time (direct 1 hour 44 minutes)

San Diego, USA - California, San Diego International Airport (SAN) to Ontario, California (ONT)

Distance:
94 miles (152 kilometres)

Average flight time (direct 42 minutes)

Tampa, USA - Florida, Tampa International Airport (TPA) to Ontario, California (ONT)

Distance:
2,108 miles (3,392 kilometres)

Average flight time (direct 5 hours 11 minutes)

Portland, USA - International Airport, Oregon (PDX) to Ontario, California (ONT)

Distance:
839 miles (1,351 kilometres)

Average flight time (direct 2 hours 21 minutes)

Map of Ontario, California

Travel Videos About Ontario, California

Cheapest flight routes found to Ontario, California

From San Francisco

From San Francisco (SFO), USA to Ontario, United States (ONT): $57

Depart: 16 Jul 2025 · Return: 22 Jul 2025 Price found 17 Jun 2025, 14:06

From Phoenix

From Phoenix (PHX), USA to Ontario, United States (ONT): $76

Depart: 21 Aug 2025 · Return: 25 Aug 2025 Price found 17 Jun 2025, 13:33

From Las Vegas

From Las Vegas (LAS), USA to Ontario, United States (ONT): $77

Depart: 05 Aug 2025 · Return: 06 Aug 2025 Price found 17 Jun 2025, 14:29

From Portland

From Portland (PDX), USA to Ontario, United States (ONT): $98

Depart: 11 Jul 2025 · Return: 13 Jul 2025 Price found 17 Jun 2025, 02:28

From Denver

From Denver (DEN), USA to Ontario, United States (ONT): $118

Depart: 11 Aug 2025 · Return: 11 Aug 2025 Price found 17 Jun 2025, 01:16

From Seattle

From Seattle (SEA), USA to Ontario, United States (ONT): $137

Depart: 16 Aug 2025 · Return: 19 Aug 2025 Price found 17 Jun 2025, 00:18

From Charlotte

From Charlotte (CLT), USA to Ontario, United States (ONT): $144

Depart: 11 Dec 2025 · Return: 15 Dec 2025 Price found 14 Jun 2025, 04:33

From Dallas

From Dallas (DFW), USA to Ontario, United States (ONT): $148

Depart: 09 Aug 2025 · Return: 12 Aug 2025 Price found 15 Jun 2025, 22:57

From Houston

From Houston (IAH), USA to Ontario, United States (ONT): $168

Depart: 06 Sep 2025 · Return: 13 Sep 2025 Price found 14 Jun 2025, 21:05

From Salt Lake City

From Salt Lake City (SLC), USA to Ontario, United States (ONT): $181

Depart: 09 Jul 2025 · Return: 15 Jul 2025 Price found 16 Jun 2025, 18:37

From Miami

From Miami (MIA), USA to Ontario, United States (ONT): $193

Depart: 04 Jul 2025 · Return: 08 Jul 2025 Price found 16 Jun 2025, 10:18

From Tampa

From Tampa (TPA), USA to Ontario, United States (ONT): $199

Depart: 03 Jul 2025 · Return: 08 Jul 2025 Price found 16 Jun 2025, 15:46

From Atlanta

From Atlanta (ATL), USA to Ontario, United States (ONT): $199

Depart: 26 Jun 2025 · Return: 03 Jul 2025 Price found 16 Jun 2025, 19:04

From Orlando

From Orlando (MCO), USA to Ontario, United States (ONT): $199

Depart: 30 Jun 2025 · Return: 03 Jul 2025 Price found 16 Jun 2025, 22:45

From Minneapolis

From Minneapolis (MSP), USA to Ontario, United States (ONT): $199

Depart: 09 Jul 2025 · Return: 11 Jul 2025 Price found 16 Jun 2025, 22:57

From Detroit

From Detroit (DTW), USA to Ontario, United States (ONT): $199

Depart: 23 Jun 2025 · Return: 27 Jun 2025 Price found 16 Jun 2025, 23:32

From Philadelphia

From Philadelphia (PHL), USA to Ontario, United States (ONT): $200

Depart: 30 Jun 2025 · Return: 03 Jul 2025 Price found 15 Jun 2025, 21:16

From Boston

From Boston (BOS), USA to Ontario, United States (ONT): $210

Depart: 04 Jul 2025 · Return: 10 Jul 2025 Price found 15 Jun 2025, 04:48

From New York

From New York (JFK), USA to Ontario, United States (ONT): $232

Depart: 13 Sep 2025 · Return: 27 Sep 2025 Price found 17 Jun 2025, 02:23

From Fort Lauderdale

From Fort Lauderdale (FLL), USA to Ontario, United States (ONT): $279

Depart: 01 Jul 2025 · Return: 05 Jul 2025 Price found 17 Jun 2025, 15:29

From Washington D.C.

From Washington D.C. (BWI), USA to Ontario, United States (ONT): $295

Depart: 07 Aug 2025 · Return: 07 Aug 2025 Price found 17 Jun 2025, 02:53

From Los Angeles

From Los Angeles (LAX), USA to Ontario, United States (ONT): $313

Depart: 15 Aug 2025 · Return: 19 Aug 2025 Price found 17 Jun 2025, 03:53

From San Diego

From San Diego (SAN), USA to Ontario, United States (ONT): $441

Depart: 11 Jan 2026 · Return: 24 Jan 2026 Price found 14 Jun 2025, 13:19