What is the cheapest airline that flies from Rhode Island to Ontario?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Rhode Island to Ontario

What airlines fly to Ontario?

American Airlines, Southwest and Breeze Airways are the top three most popular airlines that fly to Ontario from Rhode Island according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Rhode Island to Ontario Airport?

Prices for flights from Rhode Island to Ontario Airport are updated daily.

How many operators does momondo search for flights from Rhode Island to Ontario Airport?

The number of operators available for flights from Rhode Island to Ontario Airport is 5 as of September 2026.

How old do you have to be to fly from Rhode Island to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$139 Cheap Flights from Rhode Island to Ontario in 2026

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Find the cheapest flights from Rhode Island to Los Angeles

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Enter your travel dates to find the best prices.

7:12 am - 2:16 pmBOS Boston Logan Intl-ONT Ontario

10h 04m1 stop Seattle/Tacoma Intl

2:13 pm - 7:26 amONT Ontario-BOS Boston Logan Intl

14h 13m1 stop Seattle/Tacoma Intl

$367Alaska Airlines

Wed, Sep 30 - Wed, Oct 21

6:40 pm - 10:17 amBOS Boston Logan Intl-ONT Ontario

18h 37m1 stop Seattle/Tacoma Intl

4:09 pm - 5:40 amONT Ontario-BOS Boston Logan Intl

10h 31m1 stop Seattle/Tacoma Intl

$367Alaska Airlines

Thu, Oct 29 - Wed, Nov 4

5:00 pm - 10:59 pmBOS Boston Logan Intl-ONT Ontario

8h 59m1 stop Chicago O'Hare Intl

6:00 am - 5:29 pmONT Ontario-BOS Boston Logan Intl

8h 29m1 stop Houston George Bush Intcntl

$367United Airlines

Sat, Sep 19 - Tue, Sep 22

6:05 am - 12:36 pmBOS Boston Logan Intl-ONT Ontario

9h 31m1 stop Salt Lake City

11:15 pm - 11:02 amONT Ontario-BOS Boston Logan Intl

8h 47m1 stop Atlanta Hartsfield-Jackson

$367Delta

Tue, Oct 20 - Mon, Oct 26

6:00 am - 12:17 pmBOS Boston Logan Intl-ONT Ontario

9h 17m1 stop Salt Lake City

12:20 pm - 11:21 pmONT Ontario-BOS Boston Logan Intl

8h 01m1 stop Atlanta Hartsfield-Jackson

$367Delta

Wed, Dec 2 - Wed, Dec 9

10:25 am - 3:45 pmBOS Boston Logan Intl-ONT Ontario

8h 20m1 stop Nashville Intl

1:55 pm - 11:40 pmONT Ontario-BOS Boston Logan Intl

6h 45m1 stop Denver Intl

$367Southwest

Fri, Nov 13 - Mon, Nov 16

10:25 am - 3:45 pmBOS Boston Logan Intl-ONT Ontario

8h 20m1 stop Nashville Intl

1:55 pm - 11:40 pmONT Ontario-BOS Boston Logan Intl

6h 45m1 stop Denver Intl

$367Southwest

Fri, Nov 13 - Mon, Nov 16

5:17 am - 1:30 pmBOS Boston Logan Intl-ONT Ontario

11h 13m1 stop Dallas/Fort Worth

7:49 pm - 5:38 amONT Ontario-BOS Boston Logan Intl

6h 49m1 stop Phoenix Sky Harbor Intl

$367American Airlines

Fri, Oct 30 - Sun, Nov 1

6:02 am - 1:25 pmBOS Boston Logan Intl-ONT Ontario

10h 23m1 stop Dallas/Fort Worth

10:25 am - 9:27 pmONT Ontario-BOS Boston Logan Intl

8h 02m1 stop Dallas/Fort Worth

$367American Airlines

Tue, Sep 22 - Tue, Sep 29

3:49 pm - 9:59 pmBOS Boston Logan Intl-ONT Ontario

9h 10m1 stop Houston George Bush Intcntl

6:08 am - 7:19 pmONT Ontario-BOS Boston Logan Intl

10h 11m2 stops San Francisco Washington, D.C. Dulles Intl

$372United Airlines

Sat, Sep 19 - Tue, Sep 22

Cheap last minute flights

Enter your travel dates to find the best prices.

12:59 pm - 8:07 pmBOS Boston Logan Intl-ONT Ontario

10h 08m1 stop Dallas/Fort Worth

10:25 am - 11:34 pmONT Ontario-BOS Boston Logan Intl

10h 09m1 stop Dallas/Fort Worth

$467American Airlines

Sat, Sep 12 - Sat, Oct 3

7:00 am - 12:06 pmBOS Boston Logan Intl-ONT Ontario

8h 06m1 stop Phoenix Sky Harbor Intl

1:04 pm - 11:30 pmONT Ontario-BOS Boston Logan Intl

7h 26m1 stop Phoenix Sky Harbor Intl

$468American Airlines

Tue, Sep 15 - Tue, Sep 22

7:55 am - 5:19 pmBOS Boston Logan Intl-ONT Ontario

12h 24m1 stop Seattle/Tacoma Intl

11:54 am - 12:29 amONT Ontario-BOS Boston Logan Intl

9h 35m1 stop Seattle/Tacoma Intl

$476Delta

Sat, Sep 12 - Wed, Sep 30

4:45 pm - 10:04 pmBOS Boston Logan Intl-ONT Ontario

8h 19m1 stop Salt Lake City

11:54 am - 12:29 amONT Ontario-BOS Boston Logan Intl

9h 35m1 stop Seattle/Tacoma Intl

$476Delta

Sat, Sep 12 - Mon, Oct 5

7:12 am - 2:16 pmBOS Boston Logan Intl-ONT Ontario

10h 04m1 stop Seattle/Tacoma Intl

10:47 am - 6:09 amONT Ontario-BOS Boston Logan Intl

16h 22m1 stop Portland

$492Alaska Airlines

Tue, Sep 15 - Sat, Sep 19

7:12 am - 2:16 pmBOS Boston Logan Intl-ONT Ontario

10h 04m1 stop Seattle/Tacoma Intl

6:14 pm - 6:09 amONT Ontario-BOS Boston Logan Intl

8h 55m1 stop Portland

$502Alaska Airlines

Tue, Sep 15 - Mon, Sep 28

12:40 pm - 8:45 pmBOS Boston Logan Intl-ONT Ontario

11h 05m2 stops Chicago Midway Phoenix Sky Harbor Intl

11:10 am - 9:35 pmONT Ontario-BOS Boston Logan Intl

7h 25m1 stop Nashville Intl

$518Southwest

Fri, Sep 11 - Sat, Oct 3

5:01 pm - 10:59 pmBOS Boston Logan Intl-ONT Ontario

8h 58m1 stop Chicago O'Hare Intl

1:18 pm - 11:52 pmONT Ontario-BOS Boston Logan Intl

7h 34m1 stop Denver Intl

$566United Airlines

Tue, Sep 15 - Sat, Sep 19

11:34 am - 8:01 pmBOS Boston Logan Intl-ONT Ontario

11h 27m1 stop San Francisco

9:25 am - 10:57 pmONT Ontario-BOS Boston Logan Intl

10h 32m1 stop San Francisco

$566United Airlines

Sat, Sep 12 - Sun, Oct 4

5:40 am - 10:20 amBOS Boston Logan Intl-ONT Ontario

7h 40m1 stop Denver Intl

11:55 pm - 12:30 pmONT Ontario-BOS Boston Logan Intl

9h 35m2 stops Chicago Midway Baltimore/Washington

$592Southwest

Fri, Sep 11 - Sun, Sep 13

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American Airlines flights from Rhode Island to Ontario

Our best American Airlines deals on Rhode Island to Ontario flight tickets

American Airlines

Oct 29

BOS10:12 amBoston Logan Intl

8h 04m

1 stop

ONT3:16 pmOntario

Nov 4

ONT6:30 amOntario

7h 15m

1 stop

BOS4:45 pmBoston Logan Intl

$368

American Airlines

Nov 6

BOS10:00 amBoston Logan Intl

11h 42m

1 stop

ONT6:42 pmOntario

Nov 9

ONT11:59 pmOntario

8h 52m

1 stop

BOS11:51 amBoston Logan Intl

$444

American Airlines

Oct 10

BOS4:49 pmBoston Logan Intl

9h 10m

1 stop

ONT10:59 pmOntario

Oct 12

ONT11:59 pmOntario

9h 04m

1 stop

BOS12:03 pmBoston Logan Intl

$445

Alaska Airlines flights from Rhode Island to Ontario

Our best Alaska Airlines deals on Rhode Island to Ontario flight tickets

Alaska Airlines

Sep 22

BOS9:33 amBoston Logan Intl

10h 45m

1 stop

ONT5:18 pmOntario

Sep 28

ONT6:02 amOntario

9h 54m

1 stop

BOS6:56 pmBoston Logan Intl

$367

Alaska Airlines

Oct 21

BOS6:40 pmBoston Logan Intl

18h 37m

1 stop

ONT10:17 amOntario

Oct 24

ONT11:13 amOntario

9h 46m

1 stop

BOS11:59 pmBoston Logan Intl

$371

Alaska Airlines

Oct 28

BOS6:40 pmBoston Logan Intl

18h 37m

1 stop

ONT10:17 amOntario

Nov 3

ONT4:09 pmOntario

10h 31m

1 stop

BOS5:40 amBoston Logan Intl

$374

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Wed 9/30

7:12 am-2:16 pm

1 stop10h 04m

Ontario

Wed 10/21

2:13 pm-7:26 am

1 stop14h 13m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Thu 10/29

6:40 pm-10:17 am

1 stop18h 37m

Ontario

Wed 11/4

4:09 pm-5:40 am

1 stop10h 31m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 9/19

5:00 pm-10:59 pm

1 stop8h 59m

Ontario

Tue 9/22

6:00 am-5:29 pm

1 stop8h 29m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Tue 10/20

6:05 am-12:36 pm

1 stop9h 31m

Ontario

Mon 10/26

11:15 pm-11:02 am

1 stop8h 47m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Wed 12/2

6:00 am-12:17 pm

1 stop9h 17m

Ontario

Wed 12/9

12:20 pm-11:21 pm

1 stop8h 01m

$367

Quickest round-trip

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Fri 11/13

10:25 am-3:45 pm

1 stop8h 20m

Ontario

Mon 11/16

1:55 pm-11:40 pm

1 stop6h 45m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Fri 11/13

10:25 am-3:45 pm

1 stop8h 20m

Ontario

Mon 11/16

1:55 pm-11:40 pm

1 stop6h 45m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Fri 10/30

5:17 am-1:30 pm

1 stop11h 13m

Ontario

Sun 11/1

7:49 pm-5:38 am

1 stop6h 49m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Tue 9/22

6:02 am-1:25 pm

1 stop10h 23m

Ontario

Tue 9/29

10:25 am-9:27 pm

1 stop8h 02m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 9/19

3:49 pm-9:59 pm

1 stop9h 10m

Ontario

Tue 9/22

6:08 am-7:19 pm

2 stops10h 11m

$372

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rhode Island to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Rhode Island to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $346. If you aren’t able to travel during the month of January, then book flights to Ontario from Rhode Island during September instead. Flights to Ontario in September, while not as cheap as those in January, still average around $352.

How far in advance should I book a flight from Rhode Island to Ontario?

You are more likely to see cheaper flights to Ontario from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $501 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Rhode Island for as low as $326 on momondo.

Can stopping save me money on Rhode Island to Ontario flights?

You could potentially save up to 38% on your flight if you consider stops on a Rhode Island to Ontario flight.

Cheap Rhode Island to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rhode Island to Ontario

Best Price Found	$139
Fastest flight time	7h 50m
Direct flights	None

The best one-way flight to Ontario from Rhode Island in the past 72 hours is $139. The best round-trip flight deal from Rhode Island to Ontario found on momondo in the last 72 hours is $367.

The fastest flight from Rhode Island to Ontario takes 7h 50m

There are no direct flights from Rhode Island to Ontario. There are no popular flight routes from Rhode Island to Ontario.

Search flight deals

Frequently asked questions about flying from Rhode Island to Ontario

When did momondo last update prices for flights from Rhode Island to Ontario Airport?
Prices for flights from Rhode Island to Ontario Airport are updated daily.
How many operators does momondo search for flights from Rhode Island to Ontario Airport?
The number of operators available for flights from Rhode Island to Ontario Airport is 5 as of September 2026.
How old do you have to be to fly from Rhode Island to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Rhode Island to Ontario

Compare and see reviews for airlines that fly from Rhode Island to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $179	Free Cancellation	Rating 7.8 8,554 reviews		Search Delta flights
Southwest	PriceFrom $346	Free Cancellation	Rating 8.0 4,195 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Rhode Island to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rhode Island to Ontario for you.

Can I find flights from Rhode Island to Ontario with flexible booking policies on momondo?

Flights from Rhode Island to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rhode Island to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rhode Island to Ontario.

I’m not ready to book a flight from Rhode Island to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Rhode Island. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Rhode Island to Los Angeles from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Los Angeles departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Rhode Island to Ontario

Our best American Airlines deals on Rhode Island to Ontario flight tickets

Alaska Airlines flights from Rhode Island to Ontario

Our best Alaska Airlines deals on Rhode Island to Ontario flight tickets

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

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How to get the cheapest flight ticket from Rhode Island to Ontario

What is the cheapest month to fly to Ontario?

How far in advance should I book a flight from Rhode Island to Ontario?

Can stopping save me money on Rhode Island to Ontario flights?

What is the cheapest airline that flies from Rhode Island to Ontario?

What airlines fly to Ontario?

Cheap Rhode Island to Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Rhode Island to Ontario

Best airlines flying from Rhode Island to Ontario

Compare and see reviews for airlines that fly from Rhode Island to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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