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$150+ Cheap flights from Rochester to Ontario (RST - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
RST — ONT
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Rochester to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Rochester (RST) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$369
(Delta)

One-way from

$150
(Delta)

Popular in

July

Cheapest in

October

Average price

$457
Provider with most accurate pricing for Rochester-Ontario flight deals.
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Provider most trusted by Cheapflights users for Rochester-Ontario flights.
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From Rochester to Ontario
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One-way flight from Rochester to Ontario
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Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Rochester to Ontario

Cheapest flights from Rochester to Ontario
Explore the most affordable flight options available from Rochester to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/34:44 pmRST - ONT
2 stops8h 58mDelta
Mon 6/910:05 pmONT - RST
2 stops10h 42mDelta
Deal found 4/13$369
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:02 amRST - ONT
2 stops9h 39mAmerican Airlines
Mon 7/2112:59 amONT - RST
2 stops10h 43mAmerican Airlines
Deal found 4/14$477

Cheapflights Fare Finder

Customize your flight search to find flights from Rochester to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
Use the filters below to find and compare flights from Rochester to Ontario that are best for you.

Fly from

Rochester

Fly to

Ontario

Route

Depart

Return

Price

RochesterOntario

RST - ONT

RSTONT

Rochester

Tue 6/3

4:44 pm-11:42 pm

2 stops8h 58m

Ontario

Mon 6/9

10:05 pm-10:47 am

2 stops10h 42m

$369

RochesterOntario

RST - ONT

RSTONT

Rochester

Tue 7/15

6:02 am-1:41 pm

2 stops9h 39m

Ontario

Mon 7/21

12:59 am-1:42 pm

2 stops10h 43m

$477

RochesterOntario

RST - ONT

RSTONT

Rochester

Tue 7/15

4:35 pm-11:43 pm

2 stops9h 08m

$150

RochesterOntario

RST - ONT

RSTONT

Rochester

Tue 7/15

2:13 pm-10:58 pm

3 stops10h 45m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

  • Most accurate provider: When it comes to deals on Rochester-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rochester-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rochester-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rochester-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rochester-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rochester to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Rochester with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Rochester to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Rochester to Ontario (average of $246). Flying from Rochester to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated April 15, 2025.
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Rochester to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Rochester to Ontario that include hotel bookings?

    Yes. In addition to deals on Rochester to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rochester to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rochester to Ontario.

  • Can I find deals for business class flights from Rochester to Ontario?

    Yes. Cheapflights offers flight deals from Rochester to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from Rochester to Ontario (average of $246). Flying from Rochester to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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