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$120+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — ONT
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap 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 April 1, 2026.

This Southwest deal was found by Cheapflights users on 3/26. 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.
Tue 4/149:05 am
PVD
-
ONT
1 stop10h 15m
Southwest
Sun 4/199:55 pm
ONT
-
PVD
1 stop7h 05m
Southwest
Deal found 3/26$283
This Southwest deal was found by Cheapflights users on 3/31. 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.
Mon 4/279:20 am
PVD
-
ONT
1 stop8h 55m
Southwest
Wed 5/69:55 pm
ONT
-
PVD
1 stop7h 05m
Southwest
Deal found 3/31$295
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 12/26:25 pm
BOS
-
ONT
1 stop8h 23m
Delta
Tue 1/125:05 pm
ONT
-
BOS
1 stop10h 06m
Delta
Deal found 3/27$297
This Delta deal was found by Cheapflights users on 3/28. 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.
Wed 5/63:41 pm
PVD
-
ONT
1 stop8h 19m
Delta
Sat 5/1612:07 pm
ONT
-
PVD
1 stop8h 50m
Delta
Deal found 3/28$297
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 12/26:25 pm
BOS
-
ONT
1 stop8h 23m
Delta
Sun 1/105:05 pm
ONT
-
BOS
1 stop10h 06m
Delta
Deal found 3/27$303
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:09 am
BOS
-
ONT
1 stop8h 29m
United Airlines
Tue 5/126:59 pm
ONT
-
BOS
1 stop10h 24m
United Airlines
Deal found 3/31$304
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 5/57:00 am
BOS
-
ONT
1 stop10h 32m
Alaska Airlines
Wed 5/610:39 am
ONT
-
BOS
1 stop10h 20m
Alaska Airlines
Deal found 3/26$307
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 4/2612:45 pm
BOS
-
ONT
1 stop8h 48m
Delta
Tue 5/510:15 pm
ONT
-
BOS
1 stop10h 20m
Delta
Deal found 3/30$308
This Delta deal was found by Cheapflights users on 3/31. 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 10/204:20 pm
BOS
-
ONT
1 stop8h 54m
Delta
Wed 10/2812:00 pm
ONT
-
BOS
1 stop8h 48m
Delta
Deal found 3/31$309
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/1412:39 pm
PVD
-
ONT
2 stops11h 15m
American Airlines
Mon 4/207:35 pm
ONT
-
PVD
2 stops11h 49m
American Airlines
Deal found 3/27$313
This Southwest deal was found by Cheapflights users on 3/31. 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.
Mon 4/272:30 pm
BOS
-
ONT
2 stops11h 35m
Southwest
Wed 5/69:55 pm
ONT
-
BOS
1 stop9h 05m
Southwest
Deal found 3/31$314
This Southwest deal was found by Cheapflights users on 3/28. 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.
Wed 5/62:25 pm
BOS
-
ONT
2 stops10h 25m
Southwest
Fri 5/89:55 pm
ONT
-
BOS
2 stops10h 05m
Southwest
Deal found 3/28$319

Find 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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(American Airlines)

One-way from

$122
(Southwest)

Popular in

April

Cheapest in

January

Average price

$413
Provider with most accurate pricing for Boston Logan Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Los Angeles flights.
Search Deals
From Rhode Island to Ontario
Search Deals
One-way flight from Rhode Island to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 1, 2026.
Use the filters below to find and compare flights from Rhode Island to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ProvidenceOntario

PVD - ONT

PVDONT

Providence-TFGreen

Tue 4/14

9:05 am-4:20 pm

1 stop10h 15m

Ontario

Sun 4/19

9:55 pm-8:00 am

1 stop7h 05m

$283

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 5/27

6:10 am-12:19 pm

1 stop9h 09m

Ontario

Sat 5/30

5:55 pm-6:20 am

1 stop9h 25m

$297

ProvidenceOntario

PVD - ONT

PVDONT

Providence-TFGreen

Mon 4/27

1:00 pm-8:40 pm

2 stops10h 40m

Ontario

Tue 5/5

11:55 pm-10:50 am

1 stop7h 55m

$300

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sun 4/26

12:45 pm-9:00 pm

1 stop11h 15m

Ontario

Tue 5/5

10:15 pm-11:35 am

1 stop10h 20m

$308

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 5/8

6:10 am-12:19 pm

1 stop9h 09m

Ontario

Tue 5/19

5:50 pm-7:35 am

1 stop10h 45m

$309

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 4/27

8:45 am-3:15 pm

1 stop9h 30m

Ontario

Wed 4/29

9:55 pm-10:00 am

1 stop9h 05m

$309

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 5/2

12:45 pm-6:33 pm

1 stop8h 48m

Ontario

Tue 5/5

10:15 pm-11:35 am

1 stop10h 20m

$375

ProvidenceOntario

PVD - ONT

PVDONT

Providence-TFGreen

Sat 5/9

9:35 am-6:01 pm

1 stop11h 26m

Ontario

Tue 5/12

6:59 pm-10:20 am

2 stops12h 21m

$393

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 4/6

6:44 pm-11:51 pm

1 stop8h 07m

Ontario

Fri 4/10

10:25 pm-10:00 am

1 stop8h 35m

$399

ProvidenceOntario

PVD - ONT

PVDONT

Providence-TFGreen

Tue 4/28

4:35 pm-10:31 pm

1 stop8h 56m

Ontario

Tue 5/5

6:59 pm-10:20 am

2 stops12h 21m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 36 resultsSorted by cheapest first
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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, July is the cheapest month in which you can book a flight from Rhode Island to Ontario (average of $140). Flying from Rhode Island to Ontario in March is currently the most expensive (average of $276). 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.

How much does it cost to fly round-trip from Rhode Island to Ontario?

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 09m. Fly via Southwest or Delta 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 American Airlines, which is currently one of the cheapest options available, starting at $161. Delta flights start at $168 while deals on Southwest start at $188 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, July is the cheapest month in which you can book a flight from Rhode Island to Ontario (average of $140). Flying from Rhode Island to Ontario in March is currently the most expensive (average of $276). 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$517FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$346Average$465FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$355Average$511FlexibilityNo cancel feeOn-time71%

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