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$299+ Cheap flights from Augusta to Ontario (AGS - 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
AGS — ONT
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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Cheap flight deals from Augusta to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Augusta (AGS) 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 septembre 15, 2025.

Round-trip from

$331
(Delta)

One-way from

$299
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$437
From Augusta Bush Field to Ontario
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One-way flight from Augusta Bush Field to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Augusta to Ontario

Cheapest flights from Augusta to Ontario
Explore the most affordable flight options available from Augusta to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
mer. 10/155:59 pmAGS - ONT
1 stop7h 23mDelta
dim. 10/267:05 amONT - AGS
1 stop8h 38mDelta
Deal found 9/15$393
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/157:07 amAGS - ONT
1 stop9h 36mAmerican Airlines
dim. 10/267:27 pmONT - AGS
2 stops9h 58mAmerican Airlines
Deal found 9/15$398
This Delta deal was found by Cheapflights users on 9/15. 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.
jeu. 11/65:45 amAGS - ONT
1 stop7h 41mDelta
lun. 11/1010:25 pmONT - AGS
1 stop7h 38mDelta
Deal found 9/15$455
This Delta deal was found by Cheapflights users on 9/14. 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.
ven. 10/35:44 pmAGS - ONT
1 stop7h 39mDelta
dim. 10/510:00 pmONT - AGS
1 stop8h 12mDelta
Deal found 9/14$549
This Delta deal was found by Cheapflights users on 9/14. 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.
ven. 9/194:20 pmAGS - ONT
1 stop9h 03mDelta
dim. 9/217:05 amONT - AGS
1 stop6h 54mDelta
Deal found 9/14$551
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/310:20 amAGS - ONT
2 stops11h 34mAmerican Airlines
dim. 10/57:16 pmONT - AGS
2 stops10h 09mAmerican Airlines
Deal found 9/14$561
This Delta deal was found by Cheapflights users on 9/15. 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.
mer. 11/55:59 pmAGS - ONT
1 stop7h 23mDelta
lun. 11/104:49 pmONT - AGS
2 stops13h 14mDelta
Deal found 9/15$1,138

Cheapflights Fare Finder

 
Customize your flight search to find flights from Augusta 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 septembre 15, 2025.
Use the filters below to find and compare flights from Augusta to Ontario that are best for you.

Fly from

Augusta

Fly to

Ontario

Route

Depart

Return

Price

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

sam. 3/14

4:00 pm-9:14 pm

1 stop8h 14m

Ontario

mar. 3/17

10:30 pm-9:19 am

1 stop7h 49m

$331

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

mer. 10/15

7:07 am-11:57 am

1 stop7h 50m

Ontario

dim. 10/26

10:29 pm-8:25 am

1 stop6h 56m

$393

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

mer. 10/15

5:59 pm-10:22 pm

1 stop7h 23m

Ontario

dim. 10/26

7:05 am-6:43 pm

1 stop8h 38m

$393

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

jeu. 11/6

5:45 am-10:26 am

1 stop7h 41m

Ontario

lun. 11/10

10:25 pm-9:03 am

1 stop7h 38m

$455

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

ven. 10/3

5:44 pm-10:23 pm

1 stop7h 39m

Ontario

dim. 10/5

10:00 pm-9:12 am

1 stop8h 12m

$549

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

ven. 11/7

2:10 pm-7:41 pm

1 stop8h 31m

$299

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

ven. 11/7

11:07 am-9:20 pm

2 stops13h 13m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Augusta to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Augusta to Ontario (average of $246). Flying from Augusta to Ontario in March is currently the most expensive (average of $328). 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 AGS to ONT?

Find hourly flight availability from Augusta 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 septembre 15, 2025.

When flying from Augusta to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 42% versus a flight in the evening.

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 septembre 15, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Augusta to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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 Augusta 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 Augusta to Ontario?

    Departing from Augusta to Ontario will take you 7h 50m. There are 2037 mi between Augusta and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Delta ($456), and American Airlines ($463) offers the cheapest pricing from Augusta to Ontario. Delta is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Augusta 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.

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

    Currently, August is the cheapest month in which you can book a flight from Augusta to Ontario (average of $246). Flying from Augusta to Ontario in March is currently the most expensive (average of $328). 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.

See more FAQs

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Alternative routes for Augusta to Ontario

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Top 2 airlines flying from Augusta to Ontario

Discover the top 2 airlines that operate flights from Augusta 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 septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$562FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$463Average$522FlexibilityNo cancel feeOn-time71%

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