Cheap flights from Ontario International to Rochester

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Compare Ontario International to Rochester flight deals

Find the cheapest month or even day of the year to fly to Rochester

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Flight deals from Ontario International to Rochester

Looking for a cheap last-minute deal or the best round-trip flight from Ontario International Airport to Rochester Airport? If you want to travel next month, round-trip fares start from $305. Find the lowest prices on one-way and round-trip tickets right here.

Rochester.$305 per passenger.Departing Mon, Oct 19, returning Thu, Oct 29.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Ontario International on Mon, Oct 19, arriving in Rochester.Inbound indirect flight with Delta, departing from Rochester on Thu, Oct 29, arriving in Ontario International.Price includes taxes and charges.From $305, select.

Rochester.$329 per passenger.Departing Tue, Dec 15, returning Fri, Jan 15.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Tue, Dec 15, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Fri, Jan 15, arriving in Ontario International.Price includes taxes and charges.From $329, select.

Rochester.$349 per passenger.Departing Wed, Nov 4, returning Wed, Nov 18.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Wed, Nov 4, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Wed, Nov 18, arriving in Ontario International.Price includes taxes and charges.From $349, select.

Rochester.$357 per passenger.Departing Tue, Jan 5, returning Thu, Jan 7.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Tue, Jan 5, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Thu, Jan 7, arriving in Ontario International.Price includes taxes and charges.From $357, select.

Rochester.$383 per passenger.Departing Tue, Oct 20, returning Tue, Nov 10.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Tue, Oct 20, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Tue, Nov 10, arriving in Ontario International.Price includes taxes and charges.From $383, select.

Rochester.$403 per passenger.Departing Thu, May 13, returning Sun, May 16.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Thu, May 13, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Sun, May 16, arriving in Ontario International.Price includes taxes and charges.From $403, select.

Rochester.$417 per passenger.Departing Fri, Dec 4, returning Sat, Dec 5.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Fri, Dec 4, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Sat, Dec 5, arriving in Ontario International.Price includes taxes and charges.From $417, select.

Rochester.$446 per passenger.Departing Tue, Sep 29, returning Sat, Oct 3.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Tue, Sep 29, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Sat, Oct 3, arriving in Ontario International.Price includes taxes and charges.From $446, select.

Rochester.$460 per passenger.Departing Sun, Nov 22, returning Sat, Jan 9.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Sun, Nov 22, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Sat, Jan 9, arriving in Ontario International.Price includes taxes and charges.From $460, select.

Rochester.$906 per passenger.Departing Mon, Sep 28, returning Tue, Sep 29.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Ontario International on Mon, Sep 28, arriving in Rochester.Inbound indirect flight with Southwest Airlines, departing from Rochester on Tue, Sep 29, arriving in Ontario International.Price includes taxes and charges.From $906, select.

Find the cheapest month to fly from Ontario International to Rochester

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Rochester flights are currently cheapest in October.

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Ontario International to Rochester: Alternative routes

Compare routes from Ontario International to Rochester below. You may find an airport to fly into that's cheaper, faster, or easier than Rochester.

Rochester

7km from central Rochester

ClosestCheapest

from $305

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Ontario to Rochester: Flight information

The things to know before you go.

Cheapest flight found	$305
Cheapest month to fly	October

Finding cheap flights from Ontario International to Rochester: Frequently asked questions

How much are round-trip flights from Ontario International to Rochester?

The best price we found for a round-trip flight from Ontario International to Rochester is $305. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Ontario International to Rochester?

Currently, there are no airlines that fly direct from Ontario International to Rochester. But we found flights with one or more stops from $305.

How many flights are there a week from Ontario International to Rochester?

There are no flights flying from Ontario International to Rochester, as of September 2026.

When is the cheapest time to fly from Ontario International to Rochester?

The cheapest month to fly from Ontario International to Rochester is usually October.

Which upcoming date is cheapest to fly from Ontario International Airport to Rochester Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Rochester Airport on Monday, October 19, 2026.

Can I get a direct flight from Ontario International Airport to Rochester Airport?

No airlines currently offer direct flights between Ontario International Airport and Rochester Airport. Most routes have one or more stops.

How can I find the best flight deal to Rochester?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Rochester but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Rochester?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Rochester is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Ontario International Airport to Rochester?

Currently, Delta offers the cheapest flight tickets to Rochester.

Flying from Ontario International Airport (ONT) to Rochester Airport (ROC): what you need to know

Give yourself plenty of time to make your ONT to ROC flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.
Be prepared for bigger queues during popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.
If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Ontario International Airport to Rochester Airport. Here are the most popular stopovers between ONT and ROC:
- Atlanta Hartsfield-Jackson Airport
- Harry Reid International Airport
- Chicago Midway Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Rochester Airport (ROC)

At the moment, $130 is the cheapest price we've seen for a one-way Ontario International Airport to Rochester Airport flight. The best price for a return plane ticket is $305. Remember that fares can change due to availability at the time of booking.
Don't leave everything to the last minute. You're more likely to get cheap tickets from ONT to ROC if you book early. Airlines often offer some amazing early bird discounts.
If you're willing to be flexible with your travel plans, use the 'Whole month' search tool. It'll give you the lowest price in each month when looking for your flight from Ontario International Airport to Rochester Airport.
Save time looking for cheap flights from ONT to ROC by creating a Price Alert. You'll get an email or notification on the app when a lower fare pops up.
Tailor your trip with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Ontario International Airport to Rochester Airport.

Handy information about Ontario International Airport (ONT)

The address for ONT is 2900 E. Airport Drive.
83% of flights leaving Ontario International Airport land at their destination on time. Given its impressive on-time stats, delays are unlikely when flying out of ONT.
Central Ontario to Ontario International Airport is around 10 kilometers. Depending on traffic, it'll take about 15 minutes to get there if you're ride-sharing, catching a cab or driving.
Expect a trip time of about 45 minutes when using public transport.
Get your journey off to a hassle-free start by staying near ONT. Whether you're catching an early flight from Ontario International Airport to Rochester Airport or just don't like being rushed, these hotels have you covered:

Arriving at Rochester Airport (ROC)

Consider booking a hotel near ROC if you're taking a late Ontario International Airport to Rochester Airport flight. Settle into one of these options and skip the long transfer:
Pick up a Rochester Airport rental car and explore Rochester and beyond with your own set of wheels. Hertz, Dollar and Budget are popular outlets you can book with here.
Booking your vehicle from Rochester Airport about one week ahead can help you get the best possible rate.

Getting from Rochester Airport (ROC) to central Rochester

The street address for ROC is 1200 Brooks Avenue.
Rochester Airport is roughly 11 kilometers from central Rochester. Driving there takes about 15 minutes.
It'll take around 35 minutes when traveling by public transport.

When to fly to Rochester Airport (ROC)

October is the most popular month for flights from Ontario International Airport to Rochester Airport. To skip the crowds, travel to Rochester in January.
Before locking in your flight from Ontario International Airport to Rochester Airport, think about the type of weather you like. July is the warmest month in Rochester, with the temperature ranging from 15ºC (59ºF) to 28ºC (82ºF).
If you want to travel in cooler conditions, search for a cheap ticket from ONT to ROC in January. Temperatures average between -11ºC (12ºF) and 3ºC (37ºF) then.

Explore more of the United States

You've done Rochester, now it's time to discover other parts of the United States. Journey about 402 kilometers south-east to New York to tick off its popular sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.
If there's time to check out another major stop in the United States, consider Philadelphia, about 418 kilometers south-east of Rochester. Independence Hall, Liberty Bell and Philadelphia Museum of Art are the start of reasons to visit.