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$100+ Cheap flights from St. Louis to Chattanooga (STL - CHA)

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from St. Louis to Chattanooga

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Chattanooga (CHA). 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 June 12, 2025.

Round-trip from

$229
(Delta)

One-way from

$100
(United Airlines)

Popular in

January

Cheapest in

April

Average price

$341
From Lambert-St Louis to Chattanooga Lovell Field
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One-way flight from Lambert-St Louis to Chattanooga Lovell Field
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Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from St. Louis to Chattanooga

Cheapest flights from St. Louis to Chattanooga
Explore the most affordable flight options available from St. Louis to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 10/46:00 amSTL - CHA
1 stop6h 06mDelta
Sat 10/251:30 pmCHA - STL
1 stop5h 32mDelta
Deal found 6/10$229
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/309:09 amSTL - CHA
1 stop6h 05mAmerican Airlines
Sat 8/26:14 pmCHA - STL
2 stops6h 37mAmerican Airlines
Deal found 6/10$234
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3011:24 amSTL - CHA
2 stops27h 39mSpirit Airlines
Sat 8/21:30 pmCHA - STL
2 stops21h 22mSpirit Airlines
Deal found 6/10$285
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:36 pmSTL - CHA
2 stops21h 37mMultiple Airlines
Mon 6/304:09 pmCHA - STL
3 stops45h 01mMultiple Airlines
Deal found 6/11$405
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:20 amSTL - CHA
2 stops26h 13mUnited Airlines
Mon 12/15:20 pmCHA - STL
1 stop20h 00mUnited Airlines
Deal found 6/10$725

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Chattanooga 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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Chattanooga that are best for you.

Fly from

St. Louis

Fly to

Chattanooga

Route

Depart

Return

Price

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 7/3

6:00 am-10:05 am

1 stop3h 05m

Chattanooga Lovell Field

Sun 7/6

5:30 am-8:03 am

1 stop3h 33m

$229

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Wed 7/30

9:09 am-4:14 pm

1 stop6h 05m

Chattanooga Lovell Field

Sat 8/2

6:14 pm-11:51 pm

2 stops6h 37m

$234

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Wed 7/30

11:24 am-4:03 pm

2 stops27h 39m

Chattanooga Lovell Field

Sat 8/2

1:30 pm-9:52 am

2 stops21h 22m

$285

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 6/26

6:36 pm-5:13 pm

2 stops21h 37m

Chattanooga Lovell Field

Mon 6/30

4:09 pm-12:10 pm

3 stops45h 01m

$405

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Wed 7/2

8:00 am-1:23 pm

1 stop4h 23m

$100

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 7/10

10:47 am-12:20 pm

3 stops24h 33m

$148

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 7/11

5:15 am-10:35 am

1 stop4h 20m

$166

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 7/3

9:50 am-3:14 pm

3 stops28h 24m

$270

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 6/17

9:28 am-3:38 pm

1 stop5h 10m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from St. Louis to Chattanooga

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

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $323). Flying from St. Louis to Chattanooga in October is currently the most expensive (average of $418). 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 STL to CHA?

Find hourly flight availability from St. Louis to Chattanooga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from St. Louis to Chattanooga is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

Weekly flight availability from St. Louis to Chattanooga

Explore weekly flight availability from St. Louis to Chattanooga. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from STL to CHA are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Chattanooga by month

Plan your trip to Chattanooga by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chattanooga ranges from 3.3 - 5.0 inches per month. March is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Chattanooga when rainfall is around 3.3 in.

Temperature in Chattanooga by month

Plan your trip to Chattanooga by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chattanooga, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Chattanooga

Get insights into the airlines that provide service to Chattanooga. 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 Chattanooga. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
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

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
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

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,052 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Chattanooga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from St. Louis to Chattanooga?

    To fly from St. Louis to Chattanooga, you need to book a flight from Lambert-St Louis (STL) to Lovell Field (CHA). Nonstop flights to Chattanooga Lovell Field from Lambert-St Louis take 3h 05m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Lambert-St Louis to Lovell Field offered by 3 different airlines.

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

    Currently priced at $229, Delta will fly you from St. Louis to Chattanooga and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Spirit Airlines - these airlines can fly you to your destination from $234 and $285, respectively. Delta is currently priced 30% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from St. Louis to Chattanooga one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from St. Louis to Chattanooga for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Chattanooga 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 St. Louis to Chattanooga?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Chattanooga (average of $323). Flying from St. Louis to Chattanooga in October is currently the most expensive (average of $418). 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

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Top 3 airlines flying from St. Louis to Chattanooga

Discover the top 3 airlines that operate flights from St. Louis to Chattanooga. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$222Average$292FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$298FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$297Average$349FlexibilityNo cancel feeOn-time69%

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