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

Currently priced at $199, 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 United Airlines - these airlines can fly you to your destination from $234 and $489, respectively. Delta is currently priced 38% 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 Delta, with whom users have recently found tickets for as low as $166. However, be on the lookout for offers from American Airlines and Spirit Airlines, as they are both options that can get you from St. Louis to Chattanooga for a low price.

What is the cheapest day to fly from St. Louis to Chattanooga?

Travelers seeking maximum savings on their St. Louis to Chattanooga flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from St. Louis to Chattanooga?

When booking a flight from St. Louis to Chattanooga, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from St. Louis to Chattanooga?

Users have found that flying from St. Louis to Chattanooga on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from St. Louis to Chattanooga?

Our data shows that April tends to be the cheapest month to fly to Chattanooga from St. Louis. Users have commonly found prices around $324 for the month, but tickets can be as low as $228. Due to multiple factors, prepare for potentially higher prices in January.

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.

$166+ Flights from St. Louis to Chattanooga

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Cheap flight deals from St. Louis to Chattanooga

Round-trip from	$199 (Delta)
One-way from	$166 (Delta)
Popular in	January
Cheapest in	April
Average price	$388

From Lambert-St Louis to Chattanooga Lovell Field

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One-way flight from Lambert-St Louis to Chattanooga Lovell Field

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($54 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 29, 2025.

Sat 8/307:00 amSTL - CHA

1 stop4h 31mDelta

Sun 8/315:54 amCHA - STL

1 stop4h 21mDelta

Deal found 7/28

$199

Sat 10/47:23 amSTL - CHA

2 stops8h 22mAmerican Airlines

Sat 10/254:19 pmCHA - STL

1 stop5h 34mAmerican Airlines

Deal found 7/29

$234

Fri 10/33:23 pmSTL - CHA

1 stop6h 48mUnited Airlines

Wed 10/810:30 amCHA - STL

2 stops12h 30mUnited Airlines

Deal found 7/27

$489

Thu 7/315:26 pmSTL - CHA

2 stops20h 06mSpirit Airlines

Sat 8/29:51 amCHA - STL

2 stops25h 01mSpirit Airlines

Deal found 7/27

$584

Thu 7/319:50 amSTL - CHA

3 stops25h 30mMultiple Airlines

Sat 8/29:51 amCHA - STL

2 stops25h 01mMultiple Airlines

Deal found 7/27

$615

Best flights from St. Louis to Chattanooga
Discover carefully curated flight deals from St. Louis to Chattanooga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 8/307:00 amSTL - CHA

1 stop4h 31mDelta

Sun 8/315:54 amCHA - STL

1 stop4h 21mDelta

Deal found 7/28

$199

Sat 10/47:23 amSTL - CHA

2 stops8h 22mAmerican Airlines

Sat 10/254:19 pmCHA - STL

1 stop5h 34mAmerican Airlines

Deal found 7/29

$234

Fri 10/33:23 pmSTL - CHA

1 stop6h 48mUnited Airlines

Wed 10/810:30 amCHA - STL

2 stops12h 30mUnited Airlines

Deal found 7/27

$489

Last-minute flights from St. Louis to Chattanooga
Discover last-minute flight deals from St. Louis to Chattanooga. Data last updated July 29, 2025 and is based on user searches.

Thu 7/315:26 pmSTL - CHA

2 stops20h 06mSpirit Airlines

Sat 8/29:51 amCHA - STL

2 stops25h 01mSpirit Airlines

Deal found 7/27

$584

Thu 7/319:50 amSTL - CHA

3 stops25h 30mMultiple Airlines

Sat 8/29:51 amCHA - STL

2 stops25h 01mMultiple Airlines

Deal found 7/27

$615

Thu 8/145:15 amSTL - CHA

1 stop7h 16mAmerican Airlines

Mon 8/186:12 pmCHA - STL

1 stop5h 53mAmerican Airlines

Deal found 7/29

$234

Sat 8/307:00 amSTL - CHA

1 stop4h 31mDelta

Sun 8/315:54 amCHA - STL

1 stop4h 21mDelta

Deal found 7/28

$199

One-way flights from St. Louis to Chattanooga
Search for one-way flight options from St. Louis to Chattanooga. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Thu 9/116:40 amSTL - CHA

1 stop6h 24mDelta

Deal found 7/27

$166

Thu 9/1110:15 amSTL - CHA

2 stops11h 14mAmerican Airlines

Deal found 7/27

$201

Tue 8/55:26 pmSTL - CHA

2 stops17h 54mSpirit Airlines

Deal found 7/27

$227

Tue 8/59:50 amSTL - CHA

3 stops23h 56mMultiple Airlines

Deal found 7/27

$278

Fri 9/126:15 amSTL - CHA

3 stops30h 11mUnited Airlines

Deal found 7/27

$773

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Chattanooga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 8/30

7:00 am-12:31 pm

1 stop4h 31m

Chattanooga Lovell Field

Sun 8/31

5:54 am-9:15 am

1 stop4h 21m

$199

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Sat 10/4

7:23 am-4:45 pm

2 stops8h 22m

Chattanooga Lovell Field

Sat 10/25

4:19 pm-8:53 pm

1 stop5h 34m

$234

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 10/3

3:23 pm-11:11 pm

1 stop6h 48m

Chattanooga Lovell Field

Wed 10/8

10:30 am-10:00 pm

2 stops12h 30m

$489

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 9/11

6:40 am-2:04 pm

1 stop6h 24m

$166

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Thu 9/11

10:15 am-10:29 pm

2 stops11h 14m

$201

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 8/5

5:26 pm-12:20 pm

2 stops17h 54m

$227

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Tue 8/5

9:50 am-10:46 am

3 stops23h 56m

$278

St. LouisChattanooga

STL - CHA

STLCHA

Lambert-St Louis

Fri 9/12

6:15 am-1:26 pm

3 stops30h 11m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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?

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.

Reviews of airlines servicing Chattanooga

See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Chattanooga have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,979 reviews

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

7,979 reviews

Delta

8.0

Very good

7,979 reviews

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

8,896 reviews

Delta

8.0

Very good

7,979 reviews

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

7,979 reviews

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

8,044 reviews

Delta

8.0

Very good

7,979 reviews

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

What are the cheapest airlines flying from St. Louis to Chattanooga round-trip?
Currently priced at $199, 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 United Airlines - these airlines can fly you to your destination from $234 and $489, respectively. Delta is currently priced 38% 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 Delta, with whom users have recently found tickets for as low as $166. However, be on the lookout for offers from American Airlines and Spirit 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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Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from St. Louis to Chattanooga

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$222	Average$296	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$228	Average$298	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$297	Average$398	FlexibilityNo cancel fee	On-time69%

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$166+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Chattanooga with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Chattanooga

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Chattanooga

Cheapest flights from St. Louis to ChattanoogaExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Chattanooga that are best for you.

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.

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?

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 July 29, 2025.

Reviews of airlines servicing Chattanooga

See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Chattanooga have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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

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

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

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

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

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

Traveling to a place near Chattanooga?

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Alternative routes for St. Louis to Chattanooga

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Top 3 airlines flying from St. Louis to Chattanooga

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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 July 29, 2025.