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Flights from Ontario (ONT) All Domestic & International Routes

If you’re planning a getaway, Ontario Airport (ONT) has a lot to offer with flights to 26 exciting destinations! Whether you're looking to explore vibrant cities or unwind on sandy beaches, you can choose from 23 domestic spots and 3 international locations, making it a convenient hub for your travel needs. With an average fare of just $170, flying from Ontario is not only accessible but also budget-friendly. Although there are currently no airlines operating out of ONT, this airport still provides a fantastic gateway for your adventures. For more information on flights and destinations, check out <a href="/airports/ontario-kont-ont-us">Ontario</a> Airport to start planning your next trip!
12/02/2025 – 12/09/2025

Flights from ONT (ONT) Airport

ONT → AUS
1-2 flights

ONT to Austin

Austin • 165 min avg

From $241

10 flights/week

Airline: Southwest

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ONT → LAS
6-17 flights

ONT to Las Vegas

Las Vegas • 65 min avg

From $35

76 flights/week

Airline: Southwest

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ONT → LAS
6-17 flights

ONT to Las Vegas

Las Vegas • 65 min avg

From $35

76 flights/week

Airline: Frontier Airlines

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ONT → DEN
7-13 flights

ONT to Denver

Denver • 135 min avg

From $38

66 flights/week

Airline: Frontier Airlines

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ONT → DEN
7-13 flights

ONT to Denver

Denver • 135 min avg

From $38

66 flights/week

Airline: United

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ONT → DEN
7-13 flights

ONT to Denver

Denver • 135 min avg

From $38

66 flights/week

Airline: Southwest

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ONT → MDW
1-2 flights

ONT to Chicago

Chicago • 230 min avg

From $111

10 flights/week

Airline: Southwest

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ONT → OAK
2-10 flights

ONT to Oakland

Oakland • 75 min avg

From $213

45 flights/week

Airline: Southwest

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ONT → DAL
0-2 flights

ONT to Dallas

Dallas • 175 min avg

From $306

9 flights/week

Airline: Southwest

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ONT → CLT
1 flight

ONT to Charlotte

Charlotte • 271 min avg

From $434

7 flights/week

Airline: American Airlines

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ONT → SEA
7-9 flights

ONT to Seattle

Seattle • 166 min avg

From $38

57 flights/week

Airline: Alaska Airlines

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ONT → SEA
7-9 flights

ONT to Seattle

Seattle • 166 min avg

From $38

57 flights/week

Airline: Frontier Airlines

View Flights

Price Trends & Analysis

Weekly Price Trends

Day-of-week analysis reveals Thus provide optimal pricing for ONT flights. Flexible travelers can save 10–15% by choosing midweek departures over weekend flights.

Monthly Price Trends

Monthly fare analysis for flights from ONT shows off-peak savings in Feb 2025. Prices typically run 15–20% lower than peak periods, with premiums during major holidays and school breaks.

Flights from ONT (ONT) Airport

Ontario (ONT) offers flight connections to 26 destinations around the world — with 23 domestic flight options within United States and 3 international flight choices. Top flight routes feature Austin, Las Vegas, Denver, Chicago, Oakland and more. Discover all flight destinations from Ontario.

AUS, LAS, DEN, MDW, OAK

Affordable flights from Ontario can be found starting from $170 on key routes.

Weather & Climate Information

Weather in ONT

Plan your visit to ONT with current temperature data. ONT experiences varied weather throughout the year.

Average Rainfall in ONT

Stay prepared for your trip to ONT with rainfall information. Understanding precipitation patterns helps you plan your visit.

Airlines Operating from ONT

Several airlines and carriers serve Ontario Airport, offering comprehensive domestic and international flight options and airline booking services.

Frequently Asked Questions

Sure! Here's a set of 8 natural, human-like FAQ questions and answers about flights from Ontario Airport (ONT), formatted in HTML.

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FAQs about Ontario Airport (ONT)

Frequently Asked Questions about Ontario Airport (ONT)

1. What can you tell me about Ontario Airport?

About ONT

ONT is a vibrant destination with rich culture, history, and modern amenities. The city offers a perfect blend of traditional charm and contemporary lifestyle, making it an ideal place to visit and explore.

Additional Information

Travel Restrictions

Please check current travel restrictions and requirements before booking your flight from ONT. Requirements may vary based on your destination and nationality.

Flight Duration

Flight durations from ONT vary depending on your destination. Domestic flights typically range from 1-3 hours, while international flights can take 4-12 hours or more.

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