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$351+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
AGS — STL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$351
(Delta)

Popular in

July

Cheapest in

January

Average price

$390
From Augusta Bush Field to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 11/159:48 amAGS - STL
1 stop3h 38mDelta
Thu 11/209:21 amSTL - AGS
1 stop4h 58mDelta
Deal found 9/15$351
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/155:00 amAGS - STL
2 stops8h 37mAmerican Airlines
Thu 11/202:08 pmSTL - AGS
1 stop4h 48mAmerican Airlines
Deal found 9/15$356
This Delta deal was found by Cheapflights users on 9/15. 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 9/309:58 amAGS - STL
1 stop5h 37mDelta
Sat 10/41:26 pmSTL - AGS
1 stop5h 31mDelta
Deal found 9/15$393
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/106:17 pmAGS - STL
1 stop6h 41mAmerican Airlines
Mon 10/134:25 pmSTL - AGS
1 stop5h 32mAmerican Airlines
Deal found 9/15$395
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/302:02 pmAGS - STL
2 stops8h 08mAmerican Airlines
Sat 10/47:16 amSTL - AGS
1 stop7h 34mAmerican Airlines
Deal found 9/15$398
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/264:20 pmAGS - STL
1 stop7h 30mAmerican Airlines
Mon 9/292:11 pmSTL - AGS
1 stop7h 02mAmerican Airlines
Deal found 9/14$460
This Delta deal was found by Cheapflights users on 9/15. 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 10/189:50 amAGS - STL
1 stop3h 45mDelta
Sun 10/1911:21 amSTL - AGS
1 stop6h 22mDelta
Deal found 9/15$499
This Delta deal was found by Cheapflights users on 9/14. 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 9/249:58 amAGS - STL
1 stop5h 37mDelta
Sat 9/277:10 amSTL - AGS
1 stop5h 32mDelta
Deal found 9/14$527
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/1812:48 pmAGS - STL
2 stops8h 38mAmerican Airlines
Sun 10/197:23 amSTL - AGS
1 stop6h 03mAmerican Airlines
Deal found 9/15$534

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 September 15, 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

Sat 11/15

9:48 am-12:26 pm

1 stop3h 38m

Lambert-St Louis

Thu 11/20

9:21 am-3:19 pm

1 stop4h 58m

$351

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Sat 11/15

5:00 am-12:37 pm

2 stops8h 37m

Lambert-St Louis

Thu 11/20

2:08 pm-7:56 pm

1 stop4h 48m

$356

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Tue 9/30

9:58 am-2:35 pm

1 stop5h 37m

Lambert-St Louis

Sat 10/4

1:26 pm-7:57 pm

1 stop5h 31m

$393

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Fri 10/10

6:17 pm-11:58 pm

1 stop6h 41m

Lambert-St Louis

Mon 10/13

4:25 pm-10:57 pm

1 stop5h 32m

$395

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Tue 9/30

2:02 pm-9:10 pm

2 stops8h 08m

Lambert-St Louis

Sat 10/4

7:16 am-3:50 pm

1 stop7h 34m

$398

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Fri 9/26

4:20 pm-10:50 pm

1 stop7h 30m

Lambert-St Louis

Mon 9/29

2:11 pm-10:13 pm

1 stop7h 02m

$460

AugustaSt. Louis

AGS - STL

AGSSTL

Augusta Bush Field

Thu 9/25

7:00 am-12:51 pm

2 stops6h 51m

Lambert-St Louis

Wed 10/1

1:21 pm-9:30 pm

1 stop7h 09m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 15, 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.

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 September 15, 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
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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.

  • 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 38m. Your travel time can differ by up to 4h 59m. 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 ($300), and American Airlines ($332) offers the cheapest pricing from Augusta to St. Louis. Users have found that Delta is 24% 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
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$300Average$364FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$332Average$396FlexibilityNo cancel feeOn-time71%

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