ONT

$99 Find Cheap Flights from Rhode Island to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$237
Overall average: $318
United Airlines
Tue 1/20Sun 1/25
BOS - ONT • 1 stop
Cheapest one-way
$99
Typical prices: $168-$269
Frontier
Sat 1/17
BOS - ONT • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Rhode Island to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Rhode Island to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Rhode Island to Ontario

Tue, Jan 20 - Sun, Jan 25
United Airlines Logo
3:15 pm - 8:58 pm
BOS
-
ONT
8h 43m1 stop
United Airlines Logo
5:05 am - 3:37 pm
ONT
-
BOS
7h 32m1 stop
$237United Airlines
Tue, Jan 20 - Sun, Jan 25
United Airlines Logo
10:30 am - 8:58 pm
BOS
-
ONT
13h 28m2 stops
United Airlines Logo
5:05 am - 3:37 pm
ONT
-
BOS
7h 32m1 stop
$242United Airlines
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
9:52 am - 6:20 pm
BOS
-
ONT
11h 28m2 stops
American Airlines Logo
9:59 am - 10:19 pm
ONT
-
BOS
9h 20m2 stops
$247American Airlines
Thu, Jan 29 - Tue, Feb 3
United Airlines Logo
1:50 pm - 10:53 pm
BOS
-
ONT
12h 03m1 stop
United Airlines Logo
1:24 pm - 11:46 pm
ONT
-
BOS
7h 22m1 stop
$248United Airlines
Fri, Jan 23 - Mon, Feb 2
American Airlines Logo
2:13 pm - 10:13 pm
BOS
-
ONT
11h 00m2 stops
American Airlines Logo
11:59 pm - 11:31 am
ONT
-
BOS
8h 32m1 stop
$253American Airlines
Tue, Feb 3 - Wed, Feb 4
United Airlines Logo
3:25 pm - 9:59 pm
BOS
-
ONT
9h 34m1 stop
United Airlines Logo
6:00 am - 5:13 pm
ONT
-
BOS
8h 13m1 stop
$254United Airlines
Sat, Jan 24 - Sat, Jan 31
Delta Logo
7:15 am - 1:56 pm
BOS
-
ONT
9h 41m1 stop
Delta Logo
3:30 pm - 6:50 am
ONT
-
BOS
12h 20m1 stop
$255Delta
Thu, Feb 26 - Tue, Mar 3
Alaska Airlines Logo
4:36 pm - 11:52 pm
BOS
-
ONT
10h 16m1 stop
Alaska Airlines Logo
4:02 pm - 6:54 am
ONT
-
BOS
11h 52m1 stop
$258Alaska Airlines
Sat, Jan 24 - Sat, Jan 31
Delta Logo
5:30 am - 11:31 am
PVD
-
ONT
9h 01m1 stop
Delta Logo
12:41 pm - 11:39 pm
ONT
-
PVD
7h 58m1 stop
$348Delta
Thu, Apr 9 - Mon, Apr 13
Southwest Logo
9:20 am - 3:15 pm
PVD
-
ONT
8h 55m1 stop
Southwest Logo
11:55 pm - 10:50 am
ONT
-
PVD
7h 55m1 stop
$377Southwest
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$99
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from Boston to Ontario

FAQs for booking flights from Rhode Island to Ontario

  • How does KAYAK find such low prices on flights from Rhode Island to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rhode Island to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rhode Island to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Rhode Island is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Rhode Island to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Rhode Island with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rhode Island to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Rhode Island up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)