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Ontario

$360+ Cheap flights from Columbia to Ontario (CAE - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
CAE — ONT
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Columbia to Ontario

Cheapest flights from Columbia to Ontario
Explore the most affordable flight options available from Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Delta deal was found by Cheapflights users on 7/18. 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.
Fri 8/213:50 pm
CAE
-
ONT
1 stop9h 02m
Delta
Sat 8/2912:00 pm
ONT
-
CAE
1 stop8h 54m
Delta
Deal found 7/18$360
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:50 am
CAE
-
ONT
1 stop6h 52m
Delta
Wed 9/212:00 pm
ONT
-
CAE
1 stop8h 54m
Delta
Deal found 7/22$361
This Delta deal was found by Cheapflights users on 7/18. 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.
Fri 8/216:08 pm
CAE
-
ONT
1 stop6h 44m
Delta
Fri 8/2812:00 pm
ONT
-
CAE
1 stop6h 20m
Delta
Deal found 7/18$369
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:59 pm
CAE
-
ONT
1 stop7h 42m
Delta
Mon 10/510:00 pm
ONT
-
CAE
1 stop8h 15m
Delta
Deal found 7/22$370
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 am
CAE
-
ONT
1 stop8h 25m
Delta
Mon 10/510:00 pm
ONT
-
CAE
1 stop8h 15m
Delta
Deal found 7/22$379
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:40 am
CAE
-
ONT
1 stop8h 02m
Delta
Mon 8/2410:00 pm
ONT
-
CAE
1 stop8h 17m
Delta
Deal found 7/20$404
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:11 am
CAE
-
ONT
1 stop7h 31m
Delta
Sat 9/512:00 pm
ONT
-
CAE
1 stop8h 54m
Delta
Deal found 7/22$405
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/2110:23 am
CAE
-
ONT
2 stops12h 38m
United Airlines
Sat 8/295:00 am
ONT
-
CAE
2 stops13h 28m
United Airlines
Deal found 7/18$412
This Delta deal was found by Cheapflights users on 7/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:11 am
CAE
-
ONT
1 stop7h 31m
Delta
Thu 9/310:00 pm
ONT
-
CAE
1 stop8h 17m
Delta
Deal found 7/22$414
This United Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/2110:23 am
CAE
-
ONT
2 stops12h 38m
United Airlines
Fri 8/285:00 am
ONT
-
CAE
2 stops11h 07m
United Airlines
Deal found 7/18$421

Find flight deals from Columbia to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Columbia (CAE) 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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$360
(Delta)

Popular in

June

Cheapest in

August

Average price

$488
Provider with most accurate pricing for Columbia Metropolitan-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Columbia Metropolitan-Ontario flights.
Search Deals
From Columbia Metropolitan to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbia 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 July 24, 2026.
Use the filters below to find and compare flights from Columbia to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Fri 8/21

6:08 pm-9:52 pm

1 stop6h 44m

Ontario

Fri 8/28

12:00 pm-9:20 pm

1 stop6h 20m

$369

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Tue 8/18

5:40 am-10:42 am

1 stop8h 02m

Ontario

Mon 8/24

10:00 pm-9:17 am

1 stop8h 17m

$404

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Fri 8/21

10:23 am-8:01 pm

2 stops12h 38m

Ontario

Fri 8/28

5:00 am-7:07 pm

2 stops11h 07m

$421

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Fri 8/7

6:08 pm-9:52 pm

1 stop6h 44m

Ontario

Tue 8/11

7:05 am-5:20 pm

1 stop7h 15m

$459

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Tue 10/27

10:10 am-9:50 pm

2 stops14h 40m

Ontario

Sat 10/31

6:00 am-9:06 pm

2 stops12h 06m

$481

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Sat 9/5

2:56 pm-10:35 pm

2 stops10h 39m

Ontario

Sat 9/12

7:00 am-5:03 pm

1 stop7h 03m

$485

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Mon 8/17

5:38 pm-10:35 pm

1 stop7h 57m

Ontario

Sat 8/29

5:00 am-9:28 pm

2 stops13h 28m

$546

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Thu 10/22

5:37 pm-10:49 pm

1 stop8h 12m

Ontario

Sat 10/24

6:00 am-9:11 pm

2 stops12h 11m

$546

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Tue 8/18

10:22 am-8:01 pm

2 stops12h 39m

Ontario

Mon 8/24

7:13 pm-9:47 am

2 stops11h 34m

$560

ColumbiaOntario

CAE - ONT

CAEONT

Columbia Metropolitan

Wed 11/4

10:10 am-9:50 pm

2 stops14h 40m

Ontario

Sat 11/7

5:00 am-5:00 pm

2 stops9h 00m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Columbia to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Columbia to Ontario in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Columbia-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Columbia-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Columbia-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Columbia-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Columbia-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Columbia to Ontario

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

How much does it cost to fly round-trip from Columbia to Ontario?

Airfare is below average for this route at the moment.

Columbia to Ontario flights typically cost between $396 and $518 in August.
The cheapest round-trip price found within the last 5 days was $360 on Delta (Aug 21-Aug 29).

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 July 24, 2026.
Read through reviews of airlines operating flights from Columbia to Ontario, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,481 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.8
Good
8,481 reviews
Delta
7.8
Good
8,481 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.1
Good
11,842 reviews
Delta
7.8
Good
8,481 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • How long is the flight from Columbia to Ontario?

    A quick flight from Columbia to Ontario can take about 6h 44m. Delta provides one of the quickest options available for as low as $369. The distance from Columbia to Ontario is about 2076 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Columbia to Ontario round-trip?

    Delta, at $308, was found to be the cheapest airline from Columbia to Ontario. An alternate airline flying to your destination would be American Airlines. These flights start at 37% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Columbia to Ontario?

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

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

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

See more FAQs

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Top 2 airlines flying from Columbia to Ontario

Discover the top 2 airlines that operate flights from Columbia 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$417FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$388Average$593FlexibilityNo cancel feeOn-time71%

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