HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$379+ Cheap flights from Augusta to Ontario (AGS - 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
AGS — ONT
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Augusta to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 28, 2025.

This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 12/296:00 amAGS - ONT
1 stop7h 00mDelta
Tue 1/1310:30 pmONT - AGS
1 stop8h 04mDelta
Deal found 12/26$526
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 12/296:00 amAGS - ONT
2 stops13h 12mDelta
Sat 1/106:00 amONT - AGS
2 stops11h 31mDelta
Deal found 12/26$536
This Delta deal was found by Cheapflights users on 12/25. 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.
Mon 12/296:00 amAGS - ONT
1 stop7h 00mDelta
Mon 1/510:30 pmONT - AGS
1 stop8h 04mDelta
Deal found 12/25$591
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 12/293:32 pmAGS - ONT
1 stop7h 18mDelta
Mon 1/125:07 pmONT - AGS
2 stops13h 27mDelta
Deal found 12/26$594
This American Airlines deal was found by Cheapflights users on 12/25. 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.
Mon 12/297:00 amAGS - ONT
2 stops12h 07mAmerican Airlines
Mon 1/59:53 amONT - AGS
2 stops9h 42mAmerican Airlines
Deal found 12/25$601
This Delta deal was found by Cheapflights users on 12/26. 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 12/306:57 pmAGS - ONT
1 stop7h 26mDelta
Tue 1/1312:41 pmONT - AGS
1 stop7h 57mDelta
Deal found 12/26$610
This American Airlines deal was found by Cheapflights users on 12/26. 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.
Tue 12/3011:16 amAGS - ONT
2 stops10h 12mAmerican Airlines
Sat 1/107:16 amONT - AGS
2 stops13h 32mAmerican Airlines
Deal found 12/26$662

Find 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 December 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$379
(Delta)

Popular in

October

Cheapest in

August

Average price

$534
Provider with most accurate pricing for Augusta Bush Field-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Augusta Bush Field-Ontario flights.
Search Deals
From Augusta Bush Field to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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 4/15

2:23 pm-6:28 pm

1 stop7h 05m

Ontario

Sat 4/18

10:15 pm-9:16 am

1 stop8h 01m

$379

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Wed 4/29

4:00 pm-8:58 pm

1 stop7h 58m

Ontario

Tue 5/5

10:15 pm-9:16 am

1 stop8h 01m

$379

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Tue 1/20

5:45 am-11:31 am

1 stop8h 46m

Ontario

Wed 1/28

10:30 pm-9:34 am

1 stop8h 04m

$379

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Wed 4/15

12:39 pm-9:36 pm

2 stops11h 57m

Ontario

Sat 4/18

6:43 am-3:34 pm

1 stop5h 51m

$384

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Tue 1/20

5:45 am-11:31 am

1 stop8h 46m

Ontario

Sat 1/24

12:41 pm-11:38 pm

1 stop7h 57m

$420

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Sat 1/24

5:45 am-11:31 am

1 stop8h 46m

Ontario

Tue 1/27

10:30 pm-9:34 am

1 stop8h 04m

$420

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Tue 1/20

5:45 am-11:31 am

1 stop8h 46m

Ontario

Mon 1/26

5:10 pm-9:34 am

2 stops13h 24m

$424

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Tue 1/20

3:10 pm-11:58 pm

2 stops11h 48m

Ontario

Sun 1/25

10:30 pm-9:34 am

1 stop8h 04m

$424

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Wed 1/21

5:11 pm-9:05 pm

1 stop6h 54m

Ontario

Tue 1/27

5:10 pm-9:34 am

2 stops13h 24m

$425

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Sat 3/28

6:50 am-11:40 am

1 stop7h 50m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 11 results
1
2

Compare providers for flights from Augusta 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 Augusta to Ontario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Augusta-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Augusta-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Augusta-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Augusta-Ontario flights, Cheapflights users trust Expedia the most. Expedia 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 Augusta-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 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, September is the cheapest month in which you can book a flight from Augusta to Ontario (average of $117). Flying from Augusta to Ontario in March is currently the most expensive (average of $307). 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.

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 December 28, 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
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
7.9
Good
8,019 reviews
Delta
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

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
11,072 reviews
Delta
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

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 05m. 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, American Airlines ($418), and Delta ($434) offers the cheapest pricing from Augusta to Ontario.

  • 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, September is the cheapest month in which you can book a flight from Augusta to Ontario (average of $117). Flying from Augusta to Ontario in March is currently the most expensive (average of $307). 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

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 Augusta to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Las Vegas flights
Atlanta to Los Angeles flights
Atlanta to San Francisco flights
Atlanta to San Diego flights
Atlanta to Santa Ana flights
Atlanta to Ontario flights
Jacksonville to Las Vegas flights
Atlanta to Burbank flights
Atlanta to Palm Springs flights
Jacksonville to Los Angeles flights
Atlanta to San Jose flights
Jacksonville to San Diego flights
Chattanooga to Las Vegas flights
Savannah to Las Vegas flights
Atlanta to Sacramento flights
Atlanta to Reno flights
Chattanooga to Los Angeles flights
Jacksonville to Ontario flights
Jacksonville to San Francisco flights
Augusta to Las Vegas flights
Atlanta to Long Beach flights
Chattanooga to Ontario flights
Jacksonville to Reno flights
Savannah to San Francisco flights
Asheville to Los Angeles flights
Asheville to Las Vegas flights
Jacksonville to Burbank flights
Atlanta to Oakland flights
Savannah to Los Angeles flights
Jacksonville to Santa Ana flights
Tallahassee to Sacramento flights
Atlanta to Fresno flights
Atlanta to Santa Barbara flights
Asheville to Reno flights
Jacksonville to Palm Springs flights
Augusta to Los Angeles flights
Jacksonville to San Jose flights
Atlanta to Monterey flights
Savannah to Ontario flights
Savannah to San Jose flights
Chattanooga to San Diego flights
Chattanooga to San Francisco flights
Asheville to San Francisco flights
Jacksonville to Sacramento flights
Tallahassee to Las Vegas flights
Jacksonville to Fresno flights
Savannah to San Diego flights
Tallahassee to Los Angeles flights
Jacksonville to Oakland flights
Atlanta to San Luis Obispo flights

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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$577FlexibilityNo cancel feeOn-time71%
DeltaCheapest$434Average$557FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.