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259﷼+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — DOH
Apr 7 — Apr 141
1 adult

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated April 2, 2025.

Good round-trip deal

2,032﷼ or less
Price to beat on a round-trip flight from Ontario.

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International flights from Ontario
Find cheap international flights from Ontario based on historic user searches and pricing. Information updated on April 2, 2025.

Mon 5/56:08 amONT - DEL
2 stops26h 52mUnited Airlines
Thu 6/511:35 pmDEL - ONT
2 stops30h 20mUnited Airlines
Deal found 3/312,701﷼
Mon 4/285:45 amONT - MNL
2 stops38h 10mKorean Air
Mon 6/212:20 pmMNL - ONT
2 stops45h 00mKorean Air
Deal found 4/22,758﷼
Mon 5/52:35 pmONT - DEL
2 stops22h 50mDelta
Thu 5/222:05 amDEL - ONT
2 stops45h 29mDelta
Deal found 4/22,794﷼
Sun 4/2712:10 amONT - MNL
1 stop18h 25mChina Airlines
Mon 6/210:35 amMNL - ONT
1 stop22h 25mChina Airlines
Deal found 4/22,891﷼
Fri 9/125:45 amONT - MNL
2 stops33h 10mUnited Airlines
Mon 9/228:40 amMNL - ONT
2 stops42h 53mUnited Airlines
Deal found 4/23,250﷼
Wed 6/257:05 amONT - BOM
2 stops27h 45mDelta
Wed 9/241:20 amBOM - ONT
2 stops33h 52mDelta
Deal found 4/13,379﷼
Thu 5/81:45 pmONT - MNL
1 stop25h 10mMultiple Airlines
Tue 5/209:10 amMNL - ONT
2 stops26h 24mMultiple Airlines
Deal found 4/13,616﷼
Wed 4/236:00 amONT - BOM
2 stops31h 40mQatar Airways
Sun 5/49:35 amBOM - ONT
2 stops44h 25mQatar Airways
Deal found 4/13,864﷼
Sat 9/611:00 pmONT - DEL
2 stops32h 00mEtihad Airways
Mon 9/153:55 pmDEL - ONT
2 stops42h 16mEtihad Airways
Deal found 4/13,904﷼
Sat 8/2311:45 pmONT - BOM
2 stops37h 40mEtihad Airways
Mon 9/1511:05 pmBOM - ONT
2 stops35h 06mEtihad Airways
Deal found 4/13,943﷼
Wed 4/3010:40 pmONT - HYD
2 stops39h 25mEtihad Airways
Wed 5/144:15 amHYD - ONT
2 stops53h 26mEtihad Airways
Deal found 4/23,993﷼
Sun 9/1411:39 amONT - DEL
2 stops25h 46mQatar Airways
Sun 12/143:40 amDEL - ONT
2 stops28h 07mQatar Airways
Deal found 4/24,195﷼

Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario?

Currently, April is the cheapest month in which you can book a flight from Ontario (average of 3,146﷼). Flying from Ontario in June will prove the most costly (average of 4,934﷼). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from California

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Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated April 2, 2025.
  • What are the most popular destinations to fly to from Ontario?

    The most popular destinations from Ontario this month are Dallas/Fort Worth Airport, Denver, Guadalajara. The top year-round destinations include Denver, Dallas/Fort Worth Airport, Guadalajara.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as 2,032﷼ to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for 2,750﷼ to fly from Ontario.

  • What is the cheapest month to fly from Ontario?

    April is currently the cheapest month to fly from Ontario. At this moment in time June is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • How does Cheapflights help users find flights from Ontario?

    When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Ontario with no change fees?

    Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Ontario become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario?

When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario with no change fees?

Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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