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Cheap flights from Rhode Island to Los Angeles from $106

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 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rhode Island to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:30 am - 12:20 pm
BOS
-
ONT
9h 50m
1 stop
United Airlines Logo
6:49 pm - 8:24 am
ONT
-
BOS
10h 35m
1 stop
$254United Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
6:00 am - 12:22 pm
BOS
-
ONT
9h 22m
1 stop
United Airlines Logo
1:30 pm - 1:10 am
ONT
-
BOS
8h 40m
1 stop
$259United Airlines
Thu, Apr 30 - Mon, May 4
American Airlines Logo
2:40 pm - 10:07 pm
BOS
-
ONT
10h 27m
2 stops
American Airlines Logo
5:02 pm - 5:34 am
ONT
-
BOS
9h 32m
1 stop
$264American Airlines
Tue, Mar 17 - Tue, Mar 24
Southwest Logo
2:20 pm - 10:00 pm
BOS
-
ONT
10h 40m
1 stop
Southwest Logo
10:40 am - 12:05 am
ONT
-
BOS
10h 25m
1 stop
$273Southwest
Sat, Apr 11 - Wed, Apr 15
Alaska Airlines Logo
7:00 am - 3:08 pm
BOS
-
ONT
11h 08m
1 stop
Alaska Airlines Logo
6:00 am - 11:59 pm
ONT
-
BOS
14h 59m
1 stop
$276Alaska Airlines
Tue, Mar 17 - Tue, Mar 24
Alaska Airlines Logo
7:00 am - 3:08 pm
BOS
-
ONT
11h 08m
1 stop
Alaska Airlines Logo
4:02 pm - 6:54 am
ONT
-
BOS
11h 52m
1 stop
$278Alaska Airlines
Tue, Mar 10 - Tue, Mar 17
Southwest Logo
5:00 am - 9:55 am
BOS
-
ONT
7h 55m
1 stop
Southwest Logo
11:55 pm - 11:00 am
ONT
-
BOS
8h 05m
1 stop
$281Southwest
Fri, Apr 3 - Tue, Apr 7
Delta Logo
5:34 am - 11:47 am
PVD
-
ONT
9h 13m
1 stop
Delta Logo
12:49 pm - 11:55 pm
ONT
-
PVD
8h 06m
1 stop
$302Delta
Wed, Apr 1 - Wed, Apr 15
Delta Logo
1:04 pm - 9:00 pm
PVD
-
ONT
10h 56m
1 stop
Delta Logo
12:57 pm - 11:58 pm
ONT
-
PVD
8h 01m
1 stop
$307Delta
Tue, Mar 17 - Wed, Mar 25
American Airlines Logo
11:18 am - 7:09 pm
PVD
-
ONT
10h 51m
2 stops
American Airlines Logo
10:36 pm - 9:11 am
ONT
-
PVD
7h 35m
1 stop
$347American Airlines
Tue, Mar 31 - Fri, Apr 3

Southwest flights from Rhode Island to Ontario

Our best Southwest deals on Rhode Island to Ontario flight tickets
Southwest
Apr 11
BOS2:20 pmBoston Logan Intl
10h 40m
1 stop
ONT10:00 pmOntario
Apr 15
ONT10:40 amOntario
10h 25m
1 stop
BOS12:05 amBoston Logan Intl
$273
Southwest
Apr 3
BOS5:00 amBoston Logan Intl
7h 55m
1 stop
ONT9:55 amOntario
Apr 7
ONT11:55 pmOntario
8h 05m
1 stop
BOS11:00 amBoston Logan Intl
$281
Southwest
Apr 11
BOS4:50 pmBoston Logan Intl
8h 10m
1 stop
ONT10:00 pmOntario
Apr 15
ONT10:55 amOntario
10h 10m
2 stops
BOS12:05 amBoston Logan Intl
$284

Delta flights from Rhode Island to Ontario

Our best Delta deals on Rhode Island to Ontario flight tickets
Delta
Mar 9
BOS6:44 pmBoston Logan Intl
8h 07m
1 stop
ONT11:51 pmOntario
Mar 16
ONT10:25 pmOntario
8h 39m
1 stop
BOS10:04 amBoston Logan Intl
$297
Delta
Apr 1
PVD5:34 amProvidence-TFGreen
9h 13m
1 stop
ONT11:47 amOntario
Apr 15
ONT12:49 pmOntario
8h 06m
1 stop
PVD11:55 pmProvidence-TFGreen
$302
Delta
Mar 17
PVD1:04 pmProvidence-TFGreen
10h 56m
1 stop
ONT9:00 pmOntario
Mar 25
ONT12:57 pmOntario
8h 01m
1 stop
PVD11:58 pmProvidence-TFGreen
$307

momondo 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, momondo users made 832,500 searches. Data last updated February 24, 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

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 4/1

5:30 am-12:20 pm

1 stop9h 50m

Ontario

Wed 4/8

6:49 pm-8:24 am

1 stop10h 35m

$254

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 4/30

6:00 am-12:22 pm

1 stop9h 22m

Ontario

Mon 5/4

1:30 pm-1:10 am

1 stop8h 40m

$259

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 3/17

2:40 pm-10:07 pm

2 stops10h 27m

Ontario

Tue 3/24

5:02 pm-5:34 am

1 stop9h 32m

$264

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 4/11

2:20 pm-10:00 pm

1 stop10h 40m

Ontario

Wed 4/15

10:40 am-12:05 am

1 stop10h 25m

$273

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 3/17

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Tue 3/24

6:00 am-11:59 pm

1 stop14h 59m

$276

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 3/10

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Tue 3/17

4:02 pm-6:54 am

1 stop11h 52m

$278

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 4/3

5:00 am-9:55 am

1 stop7h 55m

Ontario

Tue 4/7

11:55 pm-11:00 am

1 stop8h 05m

$281

ProvidenceOntario

PVD - ONT

PVDONT

Providence-TFGreen

Wed 4/1

5:34 am-11:47 am

1 stop9h 13m

Ontario

Wed 4/15

12:49 pm-11:55 pm

1 stop8h 06m

$302

ProvidenceOntario

PVD - ONT

PVDONT

Providence-TFGreen

Tue 3/17

1:04 pm-9:00 pm

1 stop10h 56m

Ontario

Wed 3/25

12:57 pm-11:58 pm

1 stop8h 01m

$307

ProvidenceOntario

PVD - ONT

PVDONT

Providence-TFGreen

Tue 3/31

11:18 am-7:09 pm

2 stops10h 51m

Ontario

Fri 4/3

10:36 pm-9:11 am

1 stop7h 35m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

What is the cheapest month to fly to Ontario?

In general, May 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 May, then book flights to Ontario from Rhode Island during July instead. Flights to Ontario in July, while not as cheap as those in May, still average around $358.

How far in advance should I book a flight 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 $405 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 $301 on momondo.

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

Fastest flight time

8h 02m

Direct flights

None
The fastest flight from Rhode Island to Ontario takes 8h 02m
There are no direct flights from Rhode Island to Ontario. There are no popular flight routes from Rhode Island to Ontario.
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $306Free CancellationRating
7.9
8,239 reviews
Search Delta flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,300 reviews
Search Southwest flights
American AirlinesPriceFrom $372Free CancellationRating
7.2
11,344 reviews
Search American Airlines 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.

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