HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$371+ Cheap flights from Augusta to St. Louis (AGS - STL)

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
AGS — STL
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Augusta to St. Louis 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 St. Louis

Cheapest flights from Augusta to St. Louis
Explore the most affordable flight options available from Augusta to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 7/306:31 pm
AGS
-
STL
1 stop6h 27m
American Airlines
Thu 8/63:25 pm
STL
-
AGS
1 stop6h 51m
American Airlines
Deal found 6/30$371
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 7/316:31 pm
AGS
-
STL
1 stop6h 27m
American Airlines
Fri 8/73:25 pm
STL
-
AGS
1 stop6h 51m
American Airlines
Deal found 7/3$381
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 7/225:30 am
AGS
-
STL
1 stop3h 49m
Delta
Sat 7/258:00 am
STL
-
AGS
1 stop5h 12m
Delta
Deal found 6/29$391
This Delta deal was found by Cheapflights users on 7/1. 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 7/186:45 pm
AGS
-
STL
1 stop5h 35m
Delta
Wed 7/229:24 am
STL
-
AGS
1 stop3h 48m
Delta
Deal found 7/1$412
This American Airlines deal was found by Cheapflights users on 6/29. 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 7/186:30 am
AGS
-
STL
1 stop6h 25m
American Airlines
Thu 7/236:13 pm
STL
-
AGS
1 stop4h 41m
American Airlines
Deal found 6/29$437
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/186:30 am
AGS
-
STL
2 stops8h 35m
American Airlines
Wed 7/228:38 am
STL
-
AGS
1 stop5h 52m
American Airlines
Deal found 6/30$442
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 7/25:00 am
AGS
-
STL
1 stop4h 32m
American Airlines
Wed 7/87:32 am
STL
-
AGS
1 stop3h 47m
American Airlines
Deal found 6/30$490
This Delta deal was found by Cheapflights users on 6/30. 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 7/75:30 am
AGS
-
STL
1 stop3h 49m
Delta
Sun 7/126:00 am
STL
-
AGS
1 stop4h 07m
Delta
Deal found 6/30$500

Find flight deals from Augusta to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Augusta (AGS) to St. Louis (STL). 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 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$371
(American Airlines)

Popular in

May

Cheapest in

November

Average price

$439
Provider with most accurate pricing for Augusta Bush Field-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Augusta Bush Field-Lambert-St Louis flights.
Search Deals
From Augusta Bush Field to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($113 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 Augusta to St. Louis 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 3, 2026.
Use the filters below to find and compare flights from Augusta to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Wed 7/15

6:45 am-9:43 am

1 stop3h 58m

Lambert-St Louis

Mon 7/20

7:08 am-2:12 pm

1 stop6h 04m

$412

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Sat 7/18

6:30 am-11:55 am

1 stop6h 25m

Lambert-St Louis

Thu 7/23

6:13 pm-11:54 pm

1 stop4h 41m

$412

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Sat 7/18

6:45 pm-11:20 pm

1 stop5h 35m

Lambert-St Louis

Wed 7/22

9:24 am-2:12 pm

1 stop3h 48m

$412

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Sat 7/18

6:30 am-11:55 am

1 stop6h 25m

Lambert-St Louis

Wed 7/22

12:40 pm-6:06 pm

1 stop4h 26m

$433
Quickest round-trip

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Fri 7/17

8:29 pm-11:53 pm

1 stop4h 24m

Lambert-St Louis

Sun 7/19

3:58 pm-9:30 pm

1 stop4h 32m

$433

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Wed 7/15

8:35 pm-11:53 pm

1 stop4h 18m

Lambert-St Louis

Sun 7/19

7:08 am-2:12 pm

1 stop6h 04m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Sorted by cheapest first

Compare providers for flights from Augusta to St. Louis

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 St. Louis 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 Augusta-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Augusta-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Augusta-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Augusta-St. Louis 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 Augusta-St. Louis 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 St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

How much does it cost to fly round-trip from Augusta to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated July 3, 2026.
Read reviews from past customers who have flown Delta and American Airlines from Augusta to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.8
Good
8,453 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
American Airlines
7.1
Good
11,764 reviews
Delta
7.8
Good
8,453 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

Find useful and relevant information for your journey from Augusta to St. Louis. 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 St. Louis?

    Delta and American Airlines can get you from Augusta to St. Louis in just under 3h 58m. Your travel time can differ by up to 2h 27m. There are 598 mi between Augusta and St. Louis. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Augusta to St. Louis round-trip?

    According to our current data, Delta ($209), and American Airlines ($235) offers the cheapest pricing from Augusta to St. Louis. Users have found that Delta is 51% cheaper than the other options available to this destination.

  • Can I find deals for flights from Augusta to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Augusta to St. Louis?

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

  • Can I find deals for business class flights from Augusta to St. Louis?

    Yes. Cheapflights offers flight deals from Augusta to St. Louis 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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.

Top 2 airlines flying from Augusta to St. Louis

Discover the top 2 airlines that operate flights from Augusta to St. Louis. 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$391FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$235Average$402FlexibilityNo cancel feeOn-time71%

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.