HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$190+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
AGS — ONT
May 28 — Jun 41
Wed 5/28
Wed 6/4
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

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 May 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$331
(Delta)

One-way from

$190
(Delta)

Popular in

August

Cheapest in

September

Average price

$502
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
One-way flight from Augusta Bush Field to Ontario
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Augusta to Ontario

Best flights from Augusta to Ontario
Discover carefully curated flight deals from Augusta to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2025.

This Delta deal was found by Cheapflights users on 5/21. 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 7/125:45 amAGS - ONT
1 stop7h 45mDelta
Wed 7/2310:05 pmONT - AGS
1 stop8h 13mDelta
Deal found 5/21$331
This American Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 7/122:45 pmAGS - ONT
1 stop9h 53mAmerican Airlines
Sat 7/266:53 pmONT - AGS
2 stops10h 37mAmerican Airlines
Deal found 5/21$436

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 May 23, 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

Sat 7/12

5:45 am-10:30 am

1 stop7h 45m

Ontario

Tue 7/22

11:40 am-9:24 pm

1 stop6h 44m

$331

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Sat 7/12

2:45 pm-9:38 pm

1 stop9h 53m

Ontario

Sat 7/26

6:53 pm-8:30 am

2 stops10h 37m

$436

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Thu 5/29

1:57 pm-7:33 pm

1 stop8h 36m

$190

AugustaOntario

AGS - ONT

AGSONT

Augusta Bush Field

Thu 5/29

5:00 am-11:50 am

2 stops9h 50m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice 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 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 eDreams the most. eDreams 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, 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 May 23, 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 May 23, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

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, Delta ($331), and American Airlines ($436) offers the cheapest pricing from Augusta to Ontario. Delta is priced at 44% 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

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 Santa Ana flights
Atlanta to San Jose flights
Atlanta to San Diego flights
Atlanta to Ontario flights
Atlanta to Burbank flights
Atlanta to Oakland flights
Atlanta to Sacramento flights
Jacksonville to Las Vegas flights
Jacksonville to Los Angeles flights
Atlanta to Reno flights
Savannah to Las Vegas flights
Chattanooga to Las Vegas flights
Jacksonville to San Francisco flights
Jacksonville to Ontario flights
Augusta to Las Vegas flights
Jacksonville to Sacramento flights
Jacksonville to San Diego flights
Asheville to San Francisco flights
Chattanooga to Los Angeles flights
Savannah to San Francisco flights
Asheville to Los Angeles flights
Savannah to Los Angeles flights
Atlanta to Palm Springs flights
Atlanta to Santa Barbara flights
Tallahassee to Las Vegas flights
Jacksonville to Santa Ana flights
Asheville to Las Vegas flights
Atlanta to Fresno flights
Jacksonville to Reno flights
Atlanta to Long Beach flights
Atlanta to San Luis Obispo flights
Savannah to San Diego flights
Chattanooga to San Francisco flights
Savannah to Reno flights
Chattanooga to Santa Ana flights
Chattanooga to Ontario flights
Jacksonville to San Jose flights
Asheville to San Diego flights
Atlanta to Medford flights
Tallahassee to Los Angeles flights
Tallahassee to San Francisco flights
Atlanta to Monterey flights
Chattanooga to Fresno flights
Chattanooga to Sacramento flights
Augusta to Los Angeles flights
Asheville to San Jose flights
Chattanooga to San Diego 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 May 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$396Average$568FlexibilityNo cancel feeOn-time71%
DeltaCheapest$396Average$657FlexibilityNo 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.