$39+ Cheap flights from North America to Ontario (ONT)
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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from North America to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from North America to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from North America (0NA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated janvier 22, 2025.
Round-trip from | $53 (Frontier) |
|---|---|
One-way from | $39 (Cheapflightsfares) |
Good round-trip deal | $57 or less |
Good one-way deal | $44 or less |
Find flight deals from North America to Ontario
Cheapest flights from North America to OntarioExplore the most affordable flight options available from North America to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 22, 2025.
Explore the most affordable flight options available from North America to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 22, 2025.
This Kiwi.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Justfly.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Justfly.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from North America to Ontario within your budget
Customize your flight search to find flights from North America 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, Cheapflights users made 2,558,603 searches. Data last updated janvier 22, 2025.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoOntario
SFO - ONT
SFOONT
San Francisco
jeu. 5/8
8:34 am-10:02 am
Nonstop1h 28m
Ontario
sam. 5/10
8:23 am-10:01 am
Nonstop1h 38m
San FranciscoOntario
SFO - ONT
SFOONT
San Francisco
jeu. 2/6
8:25 am-9:51 am
Nonstop1h 26m
Ontario
sam. 2/8
6:15 am-7:46 am
Nonstop1h 31m
DenverOntario
DEN - ONT
DENONT
Denver Intl
jeu. 2/20
7:58 am-9:31 am
Nonstop2h 33m
Ontario
jeu. 2/27
4:19 pm-7:41 pm
Nonstop2h 22m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
dim. 2/2
4:35 pm-7:12 pm
Nonstop2h 37m
Ontario
jeu. 2/6
11:27 am-2:18 pm
Nonstop2h 51m
DallasOntario
DFW - ONT
DFWONT
Dallas/Fort Worth
dim. 2/23
6:00 am-9:31 am
1 stop5h 31m
Ontario
mar. 3/25
6:59 pm-11:55 pm
Nonstop2h 56m
HoustonOntario
IAH - ONT
IAHONT
Houston George Bush Intcntl
mer. 2/19
12:09 pm-5:58 pm
1 stop7h 49m
Ontario
mer. 2/26
2:43 pm-11:07 am
1 stop18h 24m
HoustonOntario
HOU - ONT
HOUONT
Houston Hobby
sam. 2/15
3:43 pm-9:31 am
1 stop19h 48m
Ontario
ven. 2/21
12:59 am-2:43 pm
1 stop11h 44m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
dim. 2/9
4:35 pm-7:12 pm
Nonstop2h 37m
Ontario
mer. 2/12
11:33 am-2:24 pm
Nonstop2h 51m
SeattleOntario
SEA - ONT
SEAONT
Seattle/Tacoma Intl
sam. 2/22
7:45 pm-10:32 pm
Nonstop2h 47m
Ontario
sam. 3/1
4:05 pm-7:00 pm
Nonstop2h 55m
DenverOntario
DEN - ONT
DENONT
Denver Intl
mer. 2/19
8:50 pm-10:20 pm
Nonstop2h 30m
Ontario
mer. 2/26
5:45 am-9:00 am
Nonstop2h 15m
Best time to book a flight from North America to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from North America with our price prediction graph.
Travel insights for flights from North America to Ontario
Get recent, data-driven insights about flights from North America to Ontario including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from North America to Ontario?
Currently, August is the cheapest month in which you can book a flight from North America to Ontario (average of $246). Flying from North America to Ontario in March is currently the most expensive (average of $310). 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.
What is the cheapest time of day to fly from NA to ONT?
Find hourly flight availability from North America to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated janvier 22, 2025.
When flying from North America to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated janvier 22, 2025.
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Entertainment
Overall
Comfort
Boarding
Food
Crew
Reviews
My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.
Related info for your journey
Find useful and relevant information for your journey from North America to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for North America to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from North America to Ontario
Discover the top 9 airlines that operate flights from North America to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janvier 22, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$192 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$38 | Average$188 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$45 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$55 | Average$210 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$78 | Average$129 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$413 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$382 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$366 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$406 | FlexibilityNo cancel fee | On-time71% |