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St. Louis

$331+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
AGS — STL
ago. 18 — ago. 251
lun. 8/18
lun. 8/25
1 adult, Economy
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Cheap 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 agosto 13, 2025.

Round-trip from

$331
(Delta)

Popular in

July

Cheapest in

September

Average price

$559
From Augusta Bush Field to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 agosto 13, 2025.

This Delta deal was found by Cheapflights users on 8/10. 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.
sáb. 9/209:58 amAGS - STL
1 stop5h 50mDelta
mar. 9/233:36 pmSTL - AGS
1 stop3h 21mDelta
Deal found 8/10$331
This American Airlines deal was found by Cheapflights users on 8/11. 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.
lun. 9/294:20 pmAGS - STL
1 stop7h 30mAmerican Airlines
jue. 10/21:03 pmSTL - AGS
2 stops7h 09mAmerican Airlines
Deal found 8/11$336
This American Airlines deal was found by Cheapflights users on 8/12. 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.
mar. 8/262:00 pmAGS - STL
1 stop3h 56mAmerican Airlines
jue. 8/289:23 amSTL - AGS
1 stop5h 30mAmerican Airlines
Deal found 8/12$373
This American Airlines deal was found by Cheapflights users on 8/12. 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.
vie. 9/262:02 pmAGS - STL
2 stops8h 51mAmerican Airlines
lun. 9/297:16 amSTL - AGS
1 stop7h 34mAmerican Airlines
Deal found 8/12$386
This American Airlines deal was found by Cheapflights users on 8/10. 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.
sáb. 9/202:02 pmAGS - STL
2 stops7h 30mAmerican Airlines
mar. 9/238:17 amSTL - AGS
1 stop4h 20mAmerican Airlines
Deal found 8/10$406
This American Airlines deal was found by Cheapflights users on 8/12. 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.
jue. 9/184:55 pmAGS - STL
2 stops7h 53mAmerican Airlines
dom. 9/215:27 amSTL - AGS
1 stop5h 59mAmerican Airlines
Deal found 8/12$407
This Delta deal was found by Cheapflights users on 8/11. 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.
vie. 8/227:23 pmAGS - STL
1 stop4h 51mDelta
dom. 8/245:11 pmSTL - AGS
1 stop5h 42mDelta
Deal found 8/11$507
This American Airlines deal was found by Cheapflights users on 8/11. 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.
vie. 8/225:09 pmAGS - STL
1 stop6h 56mAmerican Airlines
dom. 8/246:00 amSTL - AGS
2 stops7h 45mAmerican Airlines
Deal found 8/11$512

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 agosto 13, 2025.
Use the filters below to find and compare flights from Augusta to St. Louis that are best for you.

Fly from

Augusta

Fly to

St. Louis

Route

Depart

Return

Price

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

jue. 9/18

6:51 am-12:31 pm

1 stop6h 40m

Lambert-St Louis

dom. 9/21

6:01 am-10:30 am

1 stop3h 29m

$331

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

jue. 11/6

9:50 am-2:43 pm

1 stop5h 53m

Lambert-St Louis

dom. 11/9

9:00 am-3:16 pm

1 stop5h 16m

$331

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

lun. 9/29

7:24 pm-11:24 pm

1 stop5h 00m

Lambert-St Louis

jue. 10/2

6:42 pm-11:51 pm

1 stop4h 09m

$331

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

jue. 9/11

11:15 am-2:35 pm

1 stop4h 20m

Lambert-St Louis

dom. 9/14

6:01 am-10:30 am

1 stop3h 29m

$331

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

vie. 9/26

5:44 pm-9:15 pm

1 stop4h 31m

Lambert-St Louis

lun. 9/29

3:36 pm-9:30 pm

1 stop4h 54m

$331

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

mar. 10/14

6:50 am-10:26 am

1 stop4h 36m

Lambert-St Louis

jue. 10/16

6:00 am-10:27 am

1 stop3h 27m

$331

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

sáb. 9/20

9:58 am-2:48 pm

1 stop5h 50m

Lambert-St Louis

mar. 9/23

3:36 pm-7:57 pm

1 stop3h 21m

$331

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

lun. 9/29

2:27 pm-5:47 pm

1 stop4h 20m

Lambert-St Louis

mié. 10/1

1:26 pm-7:57 pm

1 stop5h 31m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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

What is the cheapest month to book a flight from Augusta to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Augusta to St. Louis (average of $311). Flying from Augusta to St. Louis in March is currently the most expensive (average of $356). 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 STL?

Find hourly flight availability from Augusta to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 13, 2025.

One of the essential ways to save on airfare from Augusta to St. Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 16% on airfare.

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 agosto 13, 2025.
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
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

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.

  • What is the cheapest airline to fly from Augusta to St. Louis round-trip?

    According to our current data, Delta ($331), offers the cheapest pricing from Augusta to St. Louis. Users have found that Delta is 18% 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.

  • What is the cheapest month to book a flight from Augusta to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Augusta to St. Louis (average of $311). Flying from Augusta to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

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

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Alternative routes for Augusta to St. Louis

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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 agosto 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$290Average$400FlexibilityNo cancel feeOn-time71%
DeltaCheapest$300Average$360FlexibilityNo cancel feeOn-timeN/A

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