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Ontario

$128+ Cheap flights from Rhode Island to Ontario (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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — ONT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Rhode Island to Ontario

Keep the following information in mind while searching for Rhode Island to Ontario flight deals. Data was last updated September 16, 2025.

Round-trip from

$244
(Frontier)

One-way from

$128
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$301
From Rhode Island to Ontario
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One-way flight from Rhode Island to Ontario
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Rhode Island to Ontario

Cheapest flights from Rhode Island to Ontario
Explore the most affordable flight options available from Rhode Island to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:13 amBOS - ONT
2 stops11h 22mFrontier
Fri 10/312:28 pmONT - BOS
2 stops16h 43mFrontier
Deal found 9/16$244
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/77:55 amBOS - ONT
1 stop11h 33mAmerican Airlines
Tue 10/216:15 amONT - BOS
1 stop7h 58mAmerican Airlines
Deal found 9/14$257
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:20 pmBOS - ONT
2 stops14h 30mFrontier
Thu 11/612:05 pmONT - BOS
2 stops16h 47mFrontier
Deal found 9/15$258
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:00 amBOS - ONT
1 stop11h 17mAlaska Airlines
Thu 12/47:32 pmONT - BOS
1 stop9h 08mAlaska Airlines
Deal found 9/16$266
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/235:30 amBOS - ONT
1 stop9h 28mAmerican Airlines
Wed 10/2910:57 amONT - BOS
1 stop7h 51mAmerican Airlines
Deal found 9/15$268
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 12/41:37 pmBOS - ONT
1 stop10h 30mAmerican Airlines
Mon 12/810:34 pmONT - BOS
1 stop8h 57mAmerican Airlines
Deal found 9/14$277
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:00 amBOS - ONT
1 stop11h 17mHawaiian Airlines
Fri 11/1411:59 amONT - BOS
1 stop9h 21mHawaiian Airlines
Deal found 9/15$283
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amBOS - ONT
1 stop11h 17mAlaska Airlines
Tue 11/411:59 amONT - BOS
1 stop9h 21mAlaska Airlines
Deal found 9/16$286
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:55 pmBOS - ONT
1 stop8h 10mSouthwest
Sun 11/28:25 pmONT - BOS
2 stops8h 50mSouthwest
Deal found 9/14$288
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amBOS - ONT
1 stop11h 17mAlaska Airlines
Wed 11/1911:59 amONT - BOS
1 stop9h 21mAlaska Airlines
Deal found 9/15$291
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 11/312:55 pmPVD - ONT
2 stops12h 27mDelta
Wed 11/511:36 amONT - PVD
1 stop9h 22mDelta
Deal found 9/15$335
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 12/62:14 pmPVD - ONT
1 stop10h 50mDelta
Sat 1/311:00 pmONT - PVD
1 stop7h 45mDelta
Deal found 9/16$343

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rhode Island 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 September 16, 2025.
Use the filters below to find and compare flights from Rhode Island to Ontario that are best for you.

Fly from

Rhode Island

Fly to

Ontario

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 1/6

5:12 pm-11:59 pm

1 stop9h 47m

Ontario

Wed 1/21

11:30 am-11:59 pm

1 stop9h 29m

$277

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 10/31

5:00 am-1:10 pm

2 stops11h 10m

Ontario

Sun 11/2

8:25 pm-8:15 am

2 stops8h 50m

$293

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 10/18

2:45 pm-9:29 pm

1 stop9h 44m

Ontario

Wed 10/22

10:56 pm-11:45 am

1 stop9h 49m

$295

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 12/3

6:10 am-12:22 pm

1 stop9h 12m

Ontario

Wed 2/4

6:00 am-4:44 pm

1 stop7h 44m

$297

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 1/17

1:55 pm-9:14 pm

1 stop10h 19m

Ontario

Mon 1/26

5:05 pm-6:13 am

1 stop10h 08m

$297

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 1/7

6:00 am-12:34 pm

1 stop9h 34m

Ontario

Sat 1/17

4:00 pm-6:32 am

1 stop11h 32m

$297

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 12/6

6:10 am-12:22 pm

1 stop9h 12m

Ontario

Fri 1/30

10:30 pm-10:02 am

1 stop8h 32m

$297

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 1/7

5:40 am-11:38 am

1 stop8h 58m

Ontario

Wed 1/21

6:00 am-4:44 pm

1 stop7h 44m

$297

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 12/3

6:10 am-12:22 pm

1 stop9h 12m

Ontario

Thu 1/29

5:05 pm-6:13 am

1 stop10h 08m

$297

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 12/6

6:10 am-12:22 pm

1 stop9h 12m

Ontario

Mon 2/2

10:30 pm-10:02 am

1 stop8h 32m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 42 results
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Best time to book a flight from Rhode Island to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Rhode Island 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 Rhode Island to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Rhode Island to Ontario (average of $246). Flying from Rhode Island to Ontario in March is currently the most expensive (average of $327). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from Rhode Island?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Rhode Island to Ontario.

  • How long is the flight from Rhode Island to Ontario?

    There are many flights that can get you from Rhode Island to Ontario in 9h 44m. Fly via Alaska Airlines, Southwest, or JetBlue to get the fastest option. The distance from Rhode Island to Ontario is about 2559 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Rhode Island to Ontario one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $128. Hawaiian Airlines flights start at $128 while deals on Delta start at $164 one-way.

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

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

  • How can I find direct flights from Rhode Island to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Rhode Island 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 Rhode Island to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Rhode Island to Ontario (average of $246). Flying from Rhode Island to Ontario in March is currently the most expensive (average of $327). 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.

See more FAQs

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Alternative routes for Rhode Island to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Rhode Island to Ontario

Discover the top 3 airlines that operate flights from Rhode Island to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$501FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$328Average$437FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$408Average$533FlexibilityNo cancel feeOn-time71%

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