What is the cheapest day to fly from Ontario to Kingston?

Travelers seeking maximum savings on their Ontario to Kingston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Kingston ranges from 0.8 - 6.7 inches per month. October is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Kingston when rainfall is around 0.8 in.

If weather is an important factor for your trip to Kingston, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What is the cheapest day to fly round-trip from Ontario to Kingston?

Flights from Ontario to Kingston are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Kingston.

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

Travelers have found it’s best to book a flight 27 days in advance to save up to 62% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 27 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to Kingston 1-2 weeks in advance for as low as $511, or $741 for flights within the next 24 hours.

What is the cheapest month to fly from Ontario to Kingston?

The best pricing can be found in the month of January. Prices to Kingston from Ontario average $658. You can even find prices in January for less than $658, as users have found deals to Kingston from as low as $440. The month of December appears to be one of the more expensive times to travel to Kingston from Ontario. Flying in the targeted month can save you up to 38%.

What is the cheapest time of day to fly from ONT to KIN?

A simple way to save on the total cost of your ticket is to fly from Ontario to Kingston at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

Can I find deals for flights from Ontario to Kingston that include hotel bookings?

Yes. In addition to deals on Ontario to Kingston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Kingston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kingston.

Can I find deals for business class flights from Ontario to Kingston?

Yes. Cheapflights offers flight deals from Ontario to Kingston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$230+ Cheap Flights from Ontario to Kingston

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Cheap flight deals from Ontario to Kingston

Round-trip from	$599 (Expedia)
One-way from	$230 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$601

From Ontario to Kingston Norman Manley

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One-way flight from Ontario to Kingston Norman Manley

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Highest demand for flights based on searches. 8% potential increase in price ($58 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Ontario to Kingston

Cheapest flights from Ontario to Kingston
Explore the most affordable flight options available from Ontario to Kingston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

vie. 9/1210:56 pmONT - KIN

2 stops15h 09mJetBlue

mar. 9/165:05 amKIN - ONT

1 stop18h 24mJetBlue

Deal found 8/13

$599

lun. 9/1510:56 pmONT - KIN

1 stop17h 38mJetBlue

vie. 9/199:05 amKIN - ONT

1 stop14h 24mJetBlue

Deal found 8/12

$619

sáb. 9/610:56 pmONT - KIN

1 stop18h 10mJetBlue

sáb. 9/139:16 amKIN - ONT

1 stop14h 13mJetBlue

Deal found 8/14

$639

vie. 9/510:56 pmONT - KIN

1 stop24h 41mJetBlue

jue. 9/259:05 amKIN - ONT

1 stop14h 24mJetBlue

Deal found 8/13

$654

dom. 9/1410:56 pmONT - KIN

1 stop17h 38mJetBlue

dom. 9/218:16 pmKIN - ONT

1 stop27h 13mJetBlue

Deal found 8/13

$676

mar. 9/1610:56 pmONT - KIN

1 stop17h 38mJetBlue

vie. 9/269:16 amKIN - ONT

1 stop14h 13mJetBlue

Deal found 8/12

$683

Best flights from Ontario to Kingston
Discover carefully curated flight deals from Ontario to Kingston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 14, 2025.

vie. 9/1210:56 pmONT - KIN

2 stops15h 09mJetBlue

mar. 9/165:05 amKIN - ONT

1 stop18h 24mJetBlue

Deal found 8/13

$599

lun. 9/1510:56 pmONT - KIN

1 stop17h 38mJetBlue

vie. 9/199:05 amKIN - ONT

1 stop14h 24mJetBlue

Deal found 8/12

$619

sáb. 9/610:56 pmONT - KIN

1 stop18h 10mJetBlue

sáb. 9/139:16 amKIN - ONT

1 stop14h 13mJetBlue

Deal found 8/14

$639

dom. 9/1410:56 pmONT - KIN

2 stops15h 09mJetBlue

dom. 9/218:16 pmKIN - ONT

1 stop27h 13mJetBlue

Deal found 8/13

$654

vie. 9/510:56 pmONT - KIN

1 stop24h 41mJetBlue

jue. 9/259:05 amKIN - ONT

1 stop14h 24mJetBlue

Deal found 8/13

$654

Last-minute flights from Ontario to Kingston
Discover last-minute flight deals from Ontario to Kingston. Data last updated agosto 14, 2025 and is based on user searches.

mar. 8/191:09 amONT - KIN

3 stops33h 26mMultiple Airlines

sáb. 9/207:37 pmKIN - ONT

3 stops29h 36mMultiple Airlines

Deal found 8/13

$1,363

mié. 8/2011:59 pmONT - KIN

1 stop16h 10mJetBlue

vie. 9/192:10 amKIN - ONT

1 stop21h 19mJetBlue

Deal found 8/13

$759

mié. 8/2011:59 pmONT - KIN

2 stops17h 56mAmerican Airlines

sáb. 9/206:00 amKIN - ONT

2 stops17h 24mAmerican Airlines

Deal found 8/13

$776

jue. 8/2111:59 pmONT - KIN

1 stop16h 10mJetBlue

mié. 10/89:05 amKIN - ONT

1 stop14h 24mJetBlue

Deal found 8/14

$1,019

jue. 8/216:50 pmONT - KIN

2 stops41h 03mUnited Airlines

mié. 10/82:58 pmKIN - ONT

2 stops23h 15mUnited Airlines

Deal found 8/14

$6,303

vie. 8/2211:59 pmONT - KIN

1 stop21h 17mJetBlue

vie. 8/295:01 amKIN - ONT

1 stop18h 58mJetBlue

Deal found 8/13

$1,191

vie. 8/2211:59 pmONT - KIN

1 stop16h 10mJetBlue

jue. 8/285:01 amKIN - ONT

1 stop18h 58mJetBlue

Deal found 8/12

$1,457

dom. 8/246:50 pmONT - KIN

2 stops41h 03mUnited Airlines

vie. 9/122:59 pmKIN - ONT

2 stops55h 34mUnited Airlines

Deal found 8/14

$1,361

vie. 9/510:56 pmONT - KIN

1 stop24h 41mJetBlue

jue. 9/259:05 amKIN - ONT

1 stop14h 24mJetBlue

Deal found 8/13

$654

sáb. 9/610:56 pmONT - KIN

1 stop18h 10mJetBlue

sáb. 9/139:16 amKIN - ONT

1 stop14h 13mJetBlue

Deal found 8/14

$639

vie. 9/1210:56 pmONT - KIN

2 stops15h 09mJetBlue

mar. 9/165:05 amKIN - ONT

1 stop18h 24mJetBlue

Deal found 8/13

$599

dom. 9/1410:56 pmONT - KIN

1 stop17h 38mJetBlue

dom. 9/218:16 pmKIN - ONT

1 stop27h 13mJetBlue

Deal found 8/13

$676

One-way flights from Ontario to Kingston
Search for one-way flight options from Ontario to Kingston. Find affordable one-way fares based on user searches. Data last updated agosto 14, 2025.

lun. 10/208:34 amONT - KIN

2 stops24h 35mMultiple Airlines

Deal found 8/12

$230

mar. 9/910:56 pmONT - KIN

2 stops35h 24mJetBlue

Deal found 8/14

$303

mar. 10/710:56 pmONT - KIN

1 stop18h 10mJetBlue

Deal found 8/12

$312

dom. 9/710:56 pmONT - KIN

1 stop23h 48mJetBlue

Deal found 8/14

$332

mar. 9/96:10 amONT - KIN

2 stops11h 28mAmerican Airlines

Deal found 8/14

$347

mar. 10/76:36 pmONT - KIN

2 stops17h 24mCopa Airlines

Deal found 8/14

$359

mar. 9/96:50 pmONT - KIN

2 stops17h 03mCopa Airlines

Deal found 8/13

$381

dom. 9/76:00 amONT - KIN

2 stops29h 53mUnited Airlines

Deal found 8/14

$388

mar. 10/76:00 amONT - KIN

2 stops30h 00mUnited Airlines

Deal found 8/12

$393

mié. 9/106:50 pmONT - KIN

2 stops41h 03mUnited Airlines

Deal found 8/13

$401

Fly from

Fly to

Route

Depart

Return

Price

OntarioKingston

ONT - KIN

ONTKIN

Ontario

vie. 9/12

10:56 pm-4:05 pm

2 stops15h 09m

Kingston Norman Manley

mar. 9/16

5:05 am-9:29 pm

1 stop18h 24m

$599

OntarioKingston

ONT - KIN

ONTKIN

Ontario

lun. 9/15

10:56 pm-6:34 pm

1 stop17h 38m

Kingston Norman Manley

vie. 9/19

9:05 am-9:29 pm

1 stop14h 24m

$619

OntarioKingston

ONT - KIN

ONTKIN

Ontario

sáb. 9/6

10:56 pm-7:06 pm

1 stop18h 10m

Kingston Norman Manley

sáb. 9/13

9:16 am-9:29 pm

1 stop14h 13m

$639

OntarioKingston

ONT - KIN

ONTKIN

Ontario

dom. 9/14

10:56 pm-4:05 pm

2 stops15h 09m

Kingston Norman Manley

dom. 9/21

8:16 pm-9:29 pm

1 stop27h 13m

$654

OntarioKingston

ONT - KIN

ONTKIN

Ontario

vie. 9/5

10:56 pm-1:37 am

1 stop24h 41m

Kingston Norman Manley

jue. 9/25

9:05 am-9:29 pm

1 stop14h 24m

$654

OntarioKingston

ONT - KIN

ONTKIN

Ontario

lun. 10/20

8:34 am-11:09 am

2 stops24h 35m

$230

OntarioKingston

ONT - KIN

ONTKIN

Ontario

mar. 9/9

10:56 pm-12:20 pm

2 stops35h 24m

$303

OntarioKingston

ONT - KIN

ONTKIN

Ontario

mié. 9/10

10:56 pm-12:44 am

1 stop23h 48m

$312

OntarioKingston

ONT - KIN

ONTKIN

Ontario

lun. 10/6

10:56 pm-7:06 pm

1 stop18h 10m

$312

OntarioKingston

ONT - KIN

ONTKIN

Ontario

dom. 10/5

10:56 pm-7:06 pm

1 stop18h 10m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 13 results

Best time to book a flight from Ontario to Kingston

Have a flexible travel schedule? Discover the best time to fly to Kingston from Ontario 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 Ontario to Kingston

What is the cheapest month to book a flight from Ontario to Kingston?

Currently, September is the cheapest month in which you can book a flight from Ontario to Kingston (average of $425). Flying from Ontario to Kingston in December is currently the most expensive (average of $613). 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.

Related info for your journey

Can I find deals for flights from Ontario to Kingston that include hotel bookings?
Yes. In addition to deals on Ontario to Kingston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Kingston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kingston.
Can I find deals for business class flights from Ontario to Kingston?
Yes. Cheapflights offers flight deals from Ontario to Kingston 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 Ontario to Kingston?
Currently, September is the cheapest month in which you can book a flight from Ontario to Kingston (average of $425). Flying from Ontario to Kingston in December is currently the most expensive (average of $613). 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.

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$230+ Cheap flights from Ontario (ONT) to Kingston (KIN)

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Ontario to Kingston

Cheapest flights from Ontario to KingstonExplore the most affordable flight options available from Ontario to Kingston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Explore the most affordable flight options available from Ontario to Kingston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

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

Best time to book a flight from Ontario to Kingston

Have a flexible travel schedule? Discover the best time to fly to Kingston from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Kingston

What is the cheapest month to book a flight from Ontario to Kingston?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kingston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Ontario to Kingston that include hotel bookings?

How can I find direct flights from Ontario to Kingston?

Can I find deals for business class flights from Ontario to Kingston?

What is the cheapest month to book a flight from Ontario to Kingston?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Kingston

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Cheapest flights from Ontario to Kingston
Explore the most affordable flight options available from Ontario to Kingston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.