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Cheap flights from Chattanooga to St. Louis from $155

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chattanooga to St. Louis departing on 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Chattanooga to St. Louis

Cheap round-trip flights

Delta Logo
6:37 pm - 11:36 pmCHA-STL
5h 59m1 stop
Delta Logo
6:00 am - 10:05 amSTL-CHA
3h 05m1 stop
$224Delta
Find Deal
Fri, Jul 4 - Sun, Jul 6
American Airlines Logo
7:18 pm - 11:07 pmCHA-STL
4h 49m1 stop
American Airlines Logo
1:21 pm - 9:38 pmSTL-CHA
7h 17m1 stop
$229American Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
Delta Logo
5:30 am - 9:40 amCHA-STL
5h 10m1 stop
Delta Logo
5:40 pm - 11:54 pmSTL-CHA
5h 14m1 stop
$239Delta
Find Deal
Sat, Sep 20 - Mon, Sep 29
American Airlines Logo
6:16 pm - 11:59 pmCHA-STL
6h 43m1 stop
American Airlines Logo
5:20 am - 10:37 amSTL-CHA
4h 17m1 stop
$244American Airlines
Find Deal
Tue, Jul 1 - Sat, Jul 5
American Airlines Logo
8:09 pm - 11:59 pmCHA-STL
4h 50m1 stop
American Airlines Logo
12:48 pm - 5:59 pmSTL-CHA
4h 11m1 stop
$259American Airlines
Find Deal
Wed, Jul 16 - Wed, Jul 23
Delta Logo
7:30 pm - 11:39 pmCHA-STL
5h 09m1 stop
Delta Logo
6:00 am - 1:06 pmSTL-CHA
6h 06m1 stop
$264Delta
Find Deal
Fri, Sep 19 - Sat, Sep 27
Spirit Airlines Logo
12:19 pm - 7:49 amCHA-STL
44h 30m3 stops
Spirit Airlines Logo
8:44 am - 1:42 pmSTL-CHA
27h 58m2 stops
$350Spirit Airlines
Find Deal
Fri, Nov 7 - Mon, Nov 10
Spirit Airlines Logo
12:19 pm - 7:49 amCHA-STL
44h 30m3 stops
Spirit Airlines Logo
8:44 am - 1:42 pmSTL-CHA
27h 58m3 stops
$358Spirit Airlines
Find Deal
Fri, Nov 7 - Mon, Nov 10
United Airlines Logo
5:20 pm - 10:47 pmCHA-STL
6h 27m1 stop
United Airlines Logo
8:20 am - 1:23 pmSTL-CHA
28h 03m2 stops
$530United Airlines
Find Deal
Fri, Nov 7 - Mon, Nov 10
United Airlines Logo
12:11 pm - 3:44 pmCHA-STL
4h 33m1 stop
United Airlines Logo
6:15 am - 1:26 pmSTL-CHA
30h 11m3 stops
$689United Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14

Delta flights from Chattanooga to St. Louis

Our best Delta deals on Chattanooga to St. Louis flight tickets
Delta
Jul 4
CHA6:37 pmChattanooga Lovell Field
5h 59m
1 stop
STL11:36 pmLambert-St Louis
Jul 6
STL6:00 amLambert-St Louis
3h 05m
1 stop
CHA10:05 amChattanooga Lovell Field
Delta
Sep 20
CHA5:30 amChattanooga Lovell Field
5h 10m
1 stop
STL9:40 amLambert-St Louis
Sep 29
STL5:40 pmLambert-St Louis
5h 14m
1 stop
CHA11:54 pmChattanooga Lovell Field
Delta
Sep 19
CHA7:30 pmChattanooga Lovell Field
5h 09m
1 stop
STL11:39 pmLambert-St Louis
Sep 27
STL6:00 amLambert-St Louis
6h 06m
1 stop
CHA1:06 pmChattanooga Lovell Field

American Airlines flights from Chattanooga to St. Louis

Our best American Airlines deals on Chattanooga to St. Louis flight tickets
American Airlines
Sep 22
CHA7:18 pmChattanooga Lovell Field
4h 49m
1 stop
STL11:07 pmLambert-St Louis
Sep 29
STL1:21 pmLambert-St Louis
7h 17m
1 stop
CHA9:38 pmChattanooga Lovell Field
American Airlines
Jul 1
CHA6:16 pmChattanooga Lovell Field
6h 43m
1 stop
STL11:59 pmLambert-St Louis
Jul 5
STL5:20 amLambert-St Louis
4h 17m
1 stop
CHA10:37 amChattanooga Lovell Field
American Airlines
Jul 16
CHA8:09 pmChattanooga Lovell Field
4h 50m
1 stop
STL11:59 pmLambert-St Louis
Jul 23
STL12:48 pmLambert-St Louis
4h 11m
1 stop
CHA5:59 pmChattanooga Lovell Field

See travel insights to St. Louis from

How to get the cheapest flight ticket from Chattanooga to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, August is the cheapest month to fly from Chattanooga to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $243. The month of January is another great option to travel to St. Louis, with average flight prices from Chattanooga averaging around $246.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $258. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $423. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Chattanooga in the evening is the least expensive time of day to depart. momondo users have found prices as low as $235 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $309 per ticket.

How have Chattanooga to St. Louis flight prices changed over time?

As of June 2025, prices for Chattanooga to St. Louis flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Chattanooga to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Chattanooga to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chattanooga to St. Louis (CHA to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chattanooga to St. Louis

Best Price Found

$155

Fastest flight time

4h 14m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Chattanooga in the past 72 hours is $155. The best round-trip flight deal from Chattanooga to St. Louis found on momondo in the last 72 hours is $224.
The fastest flight from Chattanooga to St. Louis takes 4h 14m
There are no direct flights from Chattanooga to St. Louis. Popular non-direct route for this connection is Chattanooga Lovell Field Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Chattanooga Lovell Field to Lambert-St Louis by plane?

    Lambert-St Louis is 366.1 mi away from Chattanooga Lovell Field. 4h 14m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chattanooga Lovell Field Airport to Lambert-St Louis Airport?

    Prices for flights from Chattanooga Lovell Field Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Chattanooga Lovell Field Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Chattanooga Lovell Field Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chattanooga Lovell Field Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chattanooga to St. Louis?


Best airlines flying from Chattanooga to St. Louis

Compare and see reviews for airlines that fly from Chattanooga to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $222Free CancellationRating
7.4
8,809 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
8.0
7,964 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
Collinsville
Fenton
Farmington
O'Fallon
Alton
St. Peters
Wentzville
Glencoe
Festus
Clayton
Eureka
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Chattanooga to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Chattanooga.

Can I find flights from Chattanooga to St. Louis with flexible booking policies on momondo?

All flight searches from Chattanooga to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chattanooga to St. Louis?

Once all potential Chattanooga to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chattanooga to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Chattanooga. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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