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Cheap flights from Ontario to Rhode Island from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Rhode Island departing on 10/2. 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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0 bags

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Find the cheapest flights from Ontario to Rhode Island

Cheap round-trip flights

Frontier Logo
12:05 pm - 7:52 amONT-BOS
16h 47m2 stops
Frontier Logo
12:20 pm - 11:50 pmBOS-ONT
14h 30m2 stops
$242Frontier
Find Deal
Thu, Nov 6 - Mon, Nov 10
Frontier Logo
10:30 am - 7:27 amONT-BOS
17h 57m2 stops
Frontier Logo
11:43 am - 11:50 pmBOS-ONT
15h 07m2 stops
$247Frontier
Find Deal
Thu, Oct 23 - Sat, Nov 1
Alaska Airlines Logo
6:00 am - 12:20 amONT-BOS
15h 20m1 stop
Alaska Airlines Logo
7:00 am - 3:17 pmBOS-ONT
11h 17m1 stop
$256Alaska Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 4
American Airlines Logo
10:09 am - 9:25 pmONT-BOS
8h 16m1 stop
American Airlines Logo
5:30 am - 1:43 pmBOS-ONT
11h 13m1 stop
$257American Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
12:55 pm - 11:35 pmONT-BOS
7h 40m1 stop
American Airlines Logo
6:05 am - 12:03 pmBOS-ONT
8h 58m1 stop
$267American Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 5
Alaska Airlines Logo
11:59 am - 12:20 amONT-BOS
9h 21m1 stop
Alaska Airlines Logo
7:00 am - 3:17 pmBOS-ONT
11h 17m1 stop
$273Alaska Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
Southwest Logo
9:00 am - 9:10 pmONT-BOS
9h 10m2 stops
Southwest Logo
5:30 am - 10:35 amBOS-ONT
8h 05m1 stop
$289Southwest
Find Deal
Wed, Oct 29 - Wed, Nov 5
Southwest Logo
12:05 pm - 10:15 pmONT-BOS
7h 10m1 stop
Southwest Logo
5:00 am - 11:00 amBOS-ONT
9h 00m1 stop
$292Southwest
Find Deal
Sat, Oct 18 - Fri, Oct 31
Delta Logo
1:20 pm - 11:40 pmONT-BOS
7h 20m1 stop
Delta Logo
6:47 pm - 11:59 pmBOS-ONT
8h 12m1 stop
$297Delta
Find Deal
Tue, Dec 2 - Fri, Dec 5
Delta Logo
11:36 am - 1:13 amONT-BOS
10h 37m1 stop
Delta Logo
1:45 pm - 7:19 pmBOS-ONT
8h 34m1 stop
$298Delta
Find Deal
Sat, Oct 25 - Fri, Oct 31

JetBlue flights from Ontario to Rhode Island

Our best JetBlue deals on Ontario to Rhode Island flight tickets
JetBlue
Oct 20
ONT10:56 pmOntario
9h 49m
1 stop
BOS11:45 amBoston Logan Intl
Oct 22
BOS2:45 pmBoston Logan Intl
9h 44m
1 stop
ONT9:29 pmOntario
$295
Find similar
JetBlue
Oct 18
ONT10:56 pmOntario
7h 49m
1 stop
BOS9:45 amBoston Logan Intl
Oct 21
BOS8:25 pmBoston Logan Intl
28h 04m
1 stop
ONT9:29 pmOntario
$319
Find similar
JetBlue
Oct 20
ONT10:56 pmOntario
7h 49m
1 stop
BOS9:45 amBoston Logan Intl
Oct 24
BOS7:00 amBoston Logan Intl
17h 29m
1 stop
ONT9:29 pmOntario
$324
Find similar

Frontier flights from Ontario to Rhode Island

Our best Frontier deals on Ontario to Rhode Island flight tickets
Frontier
Nov 6
ONT12:05 pmOntario
16h 47m
2 stops
BOS7:52 amBoston Logan Intl
Nov 10
BOS12:20 pmBoston Logan Intl
14h 30m
2 stops
ONT11:50 pmOntario
$242
Find similar
Frontier
Oct 23
ONT10:30 amOntario
17h 57m
2 stops
BOS7:27 amBoston Logan Intl
Nov 1
BOS11:43 amBoston Logan Intl
15h 07m
2 stops
ONT11:50 pmOntario
$247
Find similar
Frontier
Nov 6
ONT12:05 pmOntario
16h 47m
2 stops
BOS7:52 amBoston Logan Intl
Nov 13
BOS12:20 pmBoston Logan Intl
14h 30m
2 stops
ONT11:50 pmOntario
$252
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Rhode Island 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 September 25, 2025.
Use the filters below to find and compare flights from Ontario to Rhode Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 11/6

12:05 pm-7:52 am

2 stops16h 47m

Boston Logan Intl

Mon 11/10

12:20 pm-11:50 pm

2 stops14h 30m

$242

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 10/23

10:30 am-7:27 am

2 stops17h 57m

Boston Logan Intl

Sat 11/1

11:43 am-11:50 pm

2 stops15h 07m

$247

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 10/29

6:00 am-12:20 am

1 stop15h 20m

Boston Logan Intl

Tue 11/4

7:00 am-3:17 pm

1 stop11h 17m

$256

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 10/21

10:09 am-9:25 pm

1 stop8h 16m

Boston Logan Intl

Tue 10/28

5:30 am-1:43 pm

1 stop11h 13m

$257

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 11/3

12:55 pm-11:35 pm

1 stop7h 40m

Boston Logan Intl

Wed 11/5

6:05 am-12:03 pm

1 stop8h 58m

$267

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 11/15

11:59 am-12:20 am

1 stop9h 21m

Boston Logan Intl

Tue 11/18

7:00 am-3:17 pm

1 stop11h 17m

$273

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 10/29

9:00 am-9:10 pm

2 stops9h 10m

Boston Logan Intl

Wed 11/5

5:30 am-10:35 am

1 stop8h 05m

$289

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 10/18

12:05 pm-10:15 pm

1 stop7h 10m

Boston Logan Intl

Fri 10/31

5:00 am-11:00 am

1 stop9h 00m

$292

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 12/2

1:20 pm-11:40 pm

1 stop7h 20m

Boston Logan Intl

Fri 12/5

6:47 pm-11:59 pm

1 stop8h 12m

$297

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 10/25

11:36 am-1:13 am

1 stop10h 37m

Boston Logan Intl

Fri 10/31

1:45 pm-7:19 pm

1 stop8h 34m

$298

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 Rhode Island from

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

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 Rhode Island?

If you are unable to visit Rhode Island during the month of August, then departing from Ontario during the month September is also very affordable. Most momondo users find prices during this month for around $377.

What is the cheapest day to depart on your flight to Rhode Island?

The cheapest day to depart on your flight to Rhode Island is on a Tuesday when prices can be found for as low as $402. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Rhode Island on Sunday is $602.

What is the cheapest time of day to depart on your flight to Rhode Island?

The cheapest time of day to fly to Rhode Island is in the afternoon when flights can be purchased for as low as $405. Flights in the morning are often more expensive with an average ticket price of $463.

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

You are more likely to see cheaper flights to Rhode Island from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Rhode Island for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rhode Island from Ontario for as low as $357 on momondo.

Cheap Ontario to Rhode Island flight deals and tips

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

Direct flights

None
There are no direct flights from Ontario to Rhode Island. There are no popular flight routes from Ontario to Rhode Island.
Search flight deals

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

    Prices for flights from Ontario Airport to Rhode Island were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Rhode Island.

  • What documentation or ID do you need to fly to Rhode Island?

    The travel and health documents required for your trip to Rhode Island can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rhode Island. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Rhode Island

Compare and see reviews for airlines that fly from Ontario to Rhode Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $317Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $338Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $350Free CancellationRating
7.9
7,973 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Rhode Island. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Ontario to Rhode Island flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Rhode Island from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ontario to Rhode Island flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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