Cheap flights from Oakland to Ontario (OAK - ONT) from $132
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 6/7. 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.
OAK — ONT
May 13 — May 201
From?
To?
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
The best prices from Oakland to Ontario are usually found in February or June, booked 26 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from Oakland to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) 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 May 8, 2024.
Popular in | January |
|---|---|
Cheapest in | February |
Round-trip from | $238 |
One-way from | $132 |
What is the cheapest day to fly round-trip from Oakland, California to Ontario?
Monday is generally a great day to depart. Flying on this day could help you save up to 60%.
How far in advance should I book a flight from Oakland, California to Ontario?
To save on the cost of your flight from Oakland, California to Ontario, book at least 30 days before your planned departure. Booking around this time can save you about 55% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $139 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $190.
What is the cheapest month to fly from Oakland, California to Ontario?
April can be a great time to fly to Ontario from Oakland, California with a flight ticket averaging about $148. Cheapflights users have found deals in the month of April for as cheap as $44. The most expensive prices can be found in the month of November.
When is the cheapest time to fly from Oakland, California to Ontario (OAK - ONT)?
A simple way to save on the total cost of your ticket is to fly from Oakland, California to Ontario in the morning. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the evening.
Cheap Alaska Airlines flights from Oakland to Ontario
Explore cheap flight options specifically provided by Alaska Airlines for the route between Oakland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Peruse some of the lowest-priced Alaska Airlines flights we've found from Oakland to Ontario. It's recommended that users confirm their flight details before booking.
Tue 6/46:00 amOAK - ONT
1 stop13h 14mAlaska Airlines
Tue 6/118:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/7$304
Wed 6/56:00 amOAK - ONT
1 stop9h 26mAlaska Airlines
Wed 6/126:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$318
Wed 5/296:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Wed 6/56:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$329
Wed 6/55:26 pmOAK - ONT
2 stops30h 32mAlaska Airlines
Wed 6/126:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$333
Thu 5/306:00 amOAK - ONT
1 stop9h 26mAlaska Airlines
Tue 6/48:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/7$349
Mon 8/58:19 pmOAK - ONT
1 stop12h 46mAlaska Airlines
Thu 8/84:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Deal found 5/7$352
Thu 6/206:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Tue 6/2510:00 amONT - OAK
1 stop13h 55mAlaska Airlines
Deal found 5/8$353
Sat 6/16:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Mon 6/38:09 pmONT - OAK
2 stops14h 51mAlaska Airlines
Deal found 5/7$354
Thu 8/152:40 pmOAK - ONT
1 stop9h 19mAlaska Airlines
Mon 8/198:20 pmONT - OAK
1 stop13h 27mAlaska Airlines
Deal found 5/6$358
Cheap Volaris flights from Oakland to Ontario
Explore cheap flight options specifically provided by Volaris for the route between Oakland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Take a gander at the lowest prices we've found on Volaris flights from Oakland to Ontario. Deals are refreshing constantly so come back soon for more options.
Mon 6/310:08 pmOAK - ONT
2 stops24h 49mVolaris
Sun 6/912:58 amONT - OAK
1 stop16h 01mVolaris
Deal found 5/7$750
Mon 6/310:08 pmOAK - ONT
2 stops24h 49mVolaris
Sun 6/912:58 amONT - OAK
2 stops19h 28mVolaris
Deal found 5/7$825
Tue 6/2510:08 pmOAK - ONT
2 stops21h 52mVolaris
Sat 6/2912:58 amONT - OAK
1 stop16h 01mVolaris
Deal found 5/7$873
Mon 6/2410:08 pmOAK - ONT
3 stops24h 49mVolaris
Sat 6/2912:58 amONT - OAK
1 stop16h 01mVolaris
Deal found 5/7$888
Wed 5/1510:08 pmOAK - ONT
2 stops24h 49mVolaris
Sun 6/1612:58 amONT - OAK
1 stop16h 01mVolaris
Deal found 5/7$1,237
Wed 5/1510:08 pmOAK - ONT
2 stops24h 49mVolaris
Sun 6/1612:58 amONT - OAK
2 stops19h 28mVolaris
Deal found 5/7$1,247
Thu 5/1610:08 pmOAK - ONT
2 stops24h 49mVolaris
Sat 5/1812:58 amONT - OAK
1 stop16h 01mVolaris
Deal found 5/7$1,481
Thu 5/1610:08 pmOAK - ONT
2 stops24h 49mVolaris
Sat 5/1812:58 amONT - OAK
2 stops19h 28mVolaris
Deal found 5/7$1,766
Cheap Oakland to Ontario flights in May & June 2024
Find cheap flight options from Oakland to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
Check out some of the best flight deals from Oakland to Ontario in 2024. Check back soon for alternative fares.
Tue 6/46:00 amOAK - ONT
1 stop13h 14mAlaska Airlines
Tue 6/118:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/7$304
Wed 6/56:00 amOAK - ONT
1 stop9h 26mAlaska Airlines
Wed 6/126:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$318
Wed 5/296:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Wed 6/56:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$329
Wed 6/55:26 pmOAK - ONT
2 stops30h 32mAlaska Airlines
Wed 6/126:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$333
Thu 5/306:00 amOAK - ONT
1 stop9h 26mAlaska Airlines
Tue 6/48:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/7$349
Thu 6/206:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Tue 6/2510:00 amONT - OAK
1 stop13h 55mAlaska Airlines
Deal found 5/8$353
Sat 6/16:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Mon 6/38:09 pmONT - OAK
2 stops14h 51mAlaska Airlines
Deal found 5/7$354
Sat 6/86:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Wed 6/128:09 pmONT - OAK
1 stop27h 46mAlaska Airlines
Deal found 5/7$363
Tue 5/286:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Fri 5/318:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/7$364
Oakland to Ontario 2024 flight deals
Discover exclusive flight deals for travel between Oakland and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Check out some of the best flight deals from Oakland to Ontario in 2024. Check back soon for alternative fares.
Tue 6/46:00 amOAK - ONT
1 stop13h 14mAlaska Airlines
Tue 6/118:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/7$304
Wed 6/56:00 amOAK - ONT
1 stop9h 26mAlaska Airlines
Wed 6/126:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$318
Wed 5/296:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Wed 6/56:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$329
Wed 6/55:26 pmOAK - ONT
2 stops30h 32mAlaska Airlines
Wed 6/126:00 amONT - OAK
1 stop17h 59mAlaska Airlines
Deal found 5/7$333
Thu 5/306:00 amOAK - ONT
1 stop9h 26mAlaska Airlines
Tue 6/48:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/7$349
Mon 8/58:19 pmOAK - ONT
1 stop12h 46mAlaska Airlines
Thu 8/84:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Deal found 5/7$352
Thu 6/206:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Tue 6/2510:00 amONT - OAK
1 stop13h 55mAlaska Airlines
Deal found 5/8$353
Sat 6/16:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Mon 6/38:09 pmONT - OAK
2 stops14h 51mAlaska Airlines
Deal found 5/7$354
Thu 8/152:40 pmOAK - ONT
1 stop9h 19mAlaska Airlines
Mon 8/198:20 pmONT - OAK
1 stop13h 27mAlaska Airlines
Deal found 5/6$358
Oakland to Ontario flights leaving soon
Find last-minute flight options from Oakland to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Users seeking a last-minute flight from Oakland to Ontario should consider booking one of these fares. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 5/157:56 pmOAK - ONT
1 stop13h 09mAlaska Airlines
Mon 6/174:24 pmONT - OAK
1 stop16h 56mAlaska Airlines
Deal found 5/7$537
Wed 5/156:00 amOAK - ONT
1 stop27h 05mAlaska Airlines
Mon 6/174:24 pmONT - OAK
2 stops15h 48mAlaska Airlines
Deal found 5/7$603
Wed 5/156:00 amOAK - ONT
1 stop15h 28mAlaska Airlines
Mon 6/37:10 amONT - OAK
1 stop27h 50mAlaska Airlines
Deal found 5/7$633
Mon 5/135:50 amOAK - ONT
1 stop17h 53mDelta
Wed 5/151:20 pmONT - OAK
1 stop10h 31mDelta
Deal found 5/6$661
Thu 5/162:40 pmOAK - ONT
1 stop9h 18mAlaska Airlines
Tue 5/218:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Deal found 5/6$685
Wed 5/156:00 amOAK - ONT
1 stop10h 05mAlaska Airlines
Mon 5/206:00 amONT - OAK
1 stop11h 21mAlaska Airlines
Deal found 5/8$692
Mon 5/131:20 pmOAK - ONT
1 stop22h 53mDelta
Wed 5/155:45 amONT - OAK
1 stop18h 06mDelta
Deal found 5/7$706
Thu 5/1612:55 pmOAK - ONT
1 stop11h 03mAlaska Airlines
Mon 5/206:00 amONT - OAK
1 stop7h 44mAlaska Airlines
Deal found 5/6$717
Sat 5/186:00 amOAK - ONT
2 stops14h 25mAlaska Airlines
Sun 5/196:00 amONT - OAK
1 stop28h 00mAlaska Airlines
Deal found 5/7$732
One-way flights to Ontario from Oakland
Search for one-way flight options from Oakland to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Users in need of a one-way flight from Oakland to Ontario can choose from these deals. Those seeking round-trip flights from Oakland to Ontario should utilize the search form at the the top of the page.
Fri 6/76:50 amOAK - ONT
Nonstop1h 20mSouthwest
Deal found 5/8$132
Tue 8/64:50 pmOAK - ONT
1 stop7h 09mAlaska Airlines
Deal found 5/7$147
Tue 6/48:22 pmOAK - ONT
1 stop22h 52mAlaska Airlines
Deal found 5/6$153
Tue 8/68:52 amOAK - ONT
2 stops15h 07mAlaska Airlines
Deal found 5/7$158
Wed 5/2911:40 amOAK - ONT
2 stops12h 18mAlaska Airlines
Deal found 5/7$162
Wed 6/56:00 amOAK - ONT
1 stop13h 14mAlaska Airlines
Deal found 5/7$163
Wed 6/192:40 pmOAK - ONT
1 stop9h 19mAlaska Airlines
Deal found 5/7$167
Tue 8/206:00 amOAK - ONT
2 stops16h 15mAlaska Airlines
Deal found 5/8$168
Wed 6/511:40 amOAK - ONT
2 stops12h 18mAlaska Airlines
Deal found 5/7$177
Find flights from Oakland to Ontario within your budget
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 2,752,338 searches. Data last updated May 8, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$304 - $750
Route
Depart
Return
Price
OaklandOntario
OAK - ONT
OAKONT
Oakland
Tue 6/4
1 stop13h 14m
Ontario
Tue 6/11
1 stop13h 51m
$304
OaklandOntario
OAK - ONT
OAKONT
Oakland
Wed 6/5
1 stop9h 26m
Ontario
Wed 6/12
1 stop17h 59m
$318
OaklandOntario
OAK - ONT
OAKONT
Oakland
Wed 5/29
1 stop17h 58m
Ontario
Wed 6/5
1 stop17h 59m
$329
OaklandOntario
OAK - ONT
OAKONT
Oakland
Wed 6/5
2 stops30h 32m
Ontario
Wed 6/12
1 stop17h 59m
$333
OaklandOntario
OAK - ONT
OAKONT
Oakland
Thu 5/30
1 stop9h 26m
Ontario
Tue 6/4
1 stop13h 51m
$349
OaklandOntario
OAK - ONT
OAKONT
Oakland
Mon 8/5
1 stop12h 46m
Ontario
Thu 8/8
1 stop7h 31m
$352
OaklandOntario
OAK - ONT
OAKONT
Oakland
Thu 6/20
1 stop17h 59m
Ontario
Tue 6/25
1 stop13h 55m
$353
OaklandOntario
OAK - ONT
OAKONT
Oakland
Sat 6/1
1 stop17h 58m
Ontario
Mon 6/3
2 stops14h 51m
$354
OaklandOntario
OAK - ONT
OAKONT
Oakland
Mon 6/3
2 stops24h 49m
Ontario
Sun 6/9
1 stop16h 01m
$750
When is the best time to book a flight from Oakland, California to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Oakland to Ontario. Price data was last updated on May 3, 2024.
To ensure you get the cheapest price possible for a flight from Oakland, California to Ontario, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
When is the cheapest time to fly from Oakland, California to Ontario?
Use this chart to determine the cheapest time to fly round-trip from Oakland to Ontario. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Oakland, California to Ontario flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Average price of flights to Ontario by month
Plan your trip from Oakland to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from Oakland to Ontario is currently $159 while a round-trip flight costs $382. Price data was last updated on May 5, 2024.
Currently, October is the cheapest month in which you can book a flight from Oakland, California to Ontario (average of $237). Flying from Oakland, California to Ontario in June is currently the most expensive (average of $337). 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.
January
$268
February
$287
March
$281
April
$256
May
$268
June
$337
July
$337
August
$287
September
$258
October
$237
November
$267
December
$272
Temperature and rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.
LAX Temperature | 57.2 - 73.4 °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 May 8, 2024.
Get a feel of what it's like to fly with Alaska Airlines, Volaris and Delta from Oakland to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
6,075 reviews
Boarding
8.3
Food
7.3
Crew
8.7
Comfort
8.1
Entertainment
7.8
Overall
8.2
Reviews
1 / 10
I was very relaxed and calm so I took a brief nap. The flight was pretty smooth.
Southwest
6,075 reviews
Southwest
6,075 reviews
Boarding
8.3
Food
7.3
Crew
8.7
Comfort
8.1
Entertainment
7.8
Overall
8.2
Reviews
1 / 10
I was very relaxed and calm so I took a brief nap. The flight was pretty smooth.
9,141 reviews
Southwest
6,075 reviews
Boarding
8.3
Food
7.3
Crew
8.7
Comfort
8.1
Entertainment
7.8
Overall
8.2
Reviews
1 / 10
I was very relaxed and calm so I took a brief nap. The flight was pretty smooth.
10,789 reviews
Southwest
6,075 reviews
Boarding
8.3
Food
7.3
Crew
8.7
Comfort
8.1
Entertainment
7.8
Overall
8.2
Reviews
1 / 10
I was very relaxed and calm so I took a brief nap. The flight was pretty smooth.
2,321 reviews
Southwest
6,075 reviews
Boarding
8.3
Food
7.3
Crew
8.7
Comfort
8.1
Entertainment
7.8
Overall
8.2
Reviews
1 / 10
I was very relaxed and calm so I took a brief nap. The flight was pretty smooth.
14,677 reviews
Southwest
6,075 reviews
Boarding
8.3
Food
7.3
Crew
8.7
Comfort
8.1
Entertainment
7.8
Overall
8.2
Reviews
1 / 10
I was very relaxed and calm so I took a brief nap. The flight was pretty smooth.
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.
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 Oakland to OntarioSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Oakland to Ontario
Discover the top 6 airlines that operate flights from Oakland 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 2,752,338 searches. Data last updated May 8, 2024.
Search flights from Oakland to Ontario by cabin class
Find flights from Oakland to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Oakland to Ontario
Find hourly flight availability from Oakland 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 May 8, 2024.
| 24%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 24%of flight departures | Morning6 am to noon |
| 32%of flight departures | AfternoonNoon to 6 pm |
| 20%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Weekly flight availability from Oakland to Ontario
Explore weekly flight availability from Oakland to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 8, 2024.
| Sunday | 4daily flights |
|---|---|
| Monday | 5daily flights |
| Tuesday | 3daily flights |
| Wednesday | 4daily flights |
| Thursday | 5daily flights |
| Friday | 5daily flights |
| Saturday | 3daily flights |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Oakland to Ontario?
When you search for this flight from Oakland to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Oakland to Ontario?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Oakland to Ontario.
Can Cheapflights find flights from Oakland to Ontario with no change fees?
Need flexible booking options for your flight to Ontario from Oakland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Oakland to Ontario become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!