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$216+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
AGS — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$393
(American Airlines)

One-way from

$216
(Delta)

Popular in

August

Cheapest in

September

Average price

$694
From Augusta Bush Field to Ontario
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One-way flight from Augusta Bush Field to Ontario
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High demand for flights, 9% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/245:35 pmAGS - ONT
1 stop6h 49mAmerican Airlines
Mon 9/2910:35 pmONT - AGS
1 stop8h 20mAmerican Airlines
Deal found 6/10$393
This Delta deal was found by Cheapflights users on 6/10. 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 6/242:22 pmAGS - ONT
1 stop8h 32mDelta
Fri 7/411:49 amONT - AGS
1 stop8h 00mDelta
Deal found 6/10$405

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 June 12, 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

Wed 9/24

5:35 pm-9:24 pm

1 stop6h 49m

Ontario

Mon 9/29

10:35 pm-9:55 am

1 stop8h 20m

$393

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Tue 6/24

2:22 pm-7:54 pm

1 stop8h 32m

Ontario

Fri 7/4

11:49 am-10:49 pm

1 stop8h 00m

$405

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Tue 6/24

2:22 pm-7:54 pm

1 stop8h 32m

$216

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Thu 7/10

2:38 pm-9:38 pm

2 stops10h 00m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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.

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

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.

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

    According to our current data, American Airlines ($393), and Delta ($405) offers the cheapest pricing from Augusta to Ontario. American Airlines is priced at 35% 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$396Average$568FlexibilityNo cancel feeOn-time71%
DeltaCheapest$418Average$697FlexibilityNo cancel feeOn-timeN/A

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