Cheap Flights from Sui (SUL) to Ontario (ONO)

Popular airlines from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal)

Frequently asked questions

How much does a flight from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal) cost?
Get a cheap one-way flight or cheap return flight from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal)?
Planning your getaway for can help you save, as it's the cheapest month for flights between SUL and ONO. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SUL to ONO flight.
How many flights per day from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal)?
You'll need to book a flight with a layover if you're traveling from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SUL to ONO?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal)?
Choose a flight from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Last-minute bookings from SUL to ONO are generally more expensive. To lock in the lowest rates, start searching for flights well in advance. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a SUL to ONO flight and hotel package?
Securing a SUL to ONO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sui (SUL) to Ontario, OR (ONO-Ontario Municipal)?
It's generally possible to reschedule or cancel your SUL to ONO flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Sui
Destination airport
Ontario Municipal
Distance
7393 mi

Book with confidence

Sui to Ontario Flights

The cheapest times to fly from Sui to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sui to Ontario are during the month of . You can find some of the cheapest flights from Sui to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sui to Ontario

Sunday is one of the best days to book for cheap flights from Sui to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sui to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sui to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sui to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sui to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sui to Ontario Flights

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*Available to One Key members.