Cheap flights from Oakland, CA to Ontario from C$ 90
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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Oakland to Ontario
Keep the following information in mind while searching for Oakland to Ontario flight deals. Data was last updated 17 April 2025.
Round-trip from | C$ 251 |
---|---|
One-way from | C$ 90 |
Popular in | December |
Cheapest in | February |
Average price | C$ 520 |
Find flight deals from Oakland to Ontario
Cheapest flights from Oakland to OntarioExplore the most affordable flight options available from Oakland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.
Explore the most affordable flight options available from Oakland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Oakland 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 629,999 searches. Data last updated 17 April 2025.
Use the filters below to find and compare flights from Oakland to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
OaklandToronto
OAK - YYZ
OAKYYZ
Oakland
Wed 4/6
5:45 a.m.-7:59 p.m.
1 stop11h 14m
Toronto Pearson Intl
Tue 10/6
11:00 a.m.-10:25 p.m.
2 stops14h 25m
OaklandHamilton
OAK - YHM
OAKYHM
Oakland
Thu 1/5
7:46 a.m.-12:41 a.m.
2 stops13h 55m
Hamilton
Fri 2/5
6:00 a.m.-6:49 a.m.
3 stops27h 49m
OaklandOttawa
OAK - YOW
OAKYOW
Oakland
Mon 2/6
5:45 a.m.-6:21 p.m.
3 stops33h 36m
Ottawa
Mon 9/6
7:50 a.m.-10:56 a.m.
3 stops30h 06m
OaklandMontreal
OAK - YUL
OAKYUL
Oakland
Sun 8/6
11:51 a.m.-12:43 a.m.
3 stops33h 52m
Montreal Pierre Elliott Trudeau Intl
Wed 18/6
3:10 p.m.-3:55 p.m.
2 stops27h 45m
OaklandToronto
OAK - YYZ
OAKYYZ
Oakland
Sat 7/6
6:00 a.m.-4:40 p.m.
1 stop7h 40m
Toronto Pearson Intl
Mon 9/6
5:50 p.m.-11:57 p.m.
1 stop9h 07m
OaklandToronto
OAK - YYZ
OAKYYZ
Oakland
Sun 1/6
7:00 a.m.-3:00 p.m.
1 stop29h 00m
Toronto Pearson Intl
Tue 10/6
4:45 p.m.-10:11 p.m.
1 stop8h 26m
OaklandMontreal
OAK - YUL
OAKYUL
Oakland
Fri 6/6
6:00 a.m.-1:41 p.m.
2 stops28h 41m
Montreal Pierre Elliott Trudeau Intl
Tue 17/6
6:45 p.m.-11:57 p.m.
2 stops32h 12m
OaklandToronto
OAK - YYZ
OAKYYZ
Oakland
Thu 12/6
9:38 p.m.-12:24 a.m.
3 stops23h 46m
OaklandMontreal
OAK - YUL
OAKYUL
Oakland
Thu 1/5
9:57 a.m.-7:57 p.m.
2 stops31h 00m
OaklandToronto
OAK - YYZ
OAKYYZ
Oakland
Sat 14/6
6:00 a.m.-4:44 p.m.
1 stop7h 44m
Best time to book a flight from Oakland to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Oakland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Oakland to Ontario
What is the cheapest month to book a flight from Oakland, California to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Oakland, California to Region of Ontario (average of C$ 167). Flying from Oakland, California to Region of Ontario in July is currently the most expensive (average of C$ 258). 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.
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 Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.
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 Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).
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 17 April 2025.
See what other customers who have flown with Alaska Airlines and Delta from Oakland to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Entertainment
Comfort
Crew
Overall
Food
Boarding
Reviews
Cheri,Jan 2025
FAT - SEA
Related info for your journey
Find useful and relevant information for your journey from Oakland to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Oakland to Ontario
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