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Cheap flights from St. Louis to Lafayette from $249

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lafayette departing on 1/23. 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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Cheap round-trip flights

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Delta Logo
7:10 am - 1:52 pmSTL-LFT
6h 42m1 stop
Delta Logo
5:15 pm - 11:39 pmLFT-STL
6h 24m1 stop
$249Delta
Find Deal
vie., ene. 23 - lun., ene. 26
American Airlines Logo
6:00 am - 2:20 pmSTL-LFT
8h 20m2 stops
American Airlines Logo
6:33 pm - 10:59 pmLFT-STL
4h 26m1 stop
$254American Airlines
Find Deal
vie., ene. 23 - lun., ene. 26
Delta Logo
9:59 am - 4:35 pmSTL-LFT
6h 36m1 stop
Delta Logo
5:15 pm - 11:39 pmLFT-STL
6h 24m1 stop
$264Delta
Find Deal
mié., feb. 4 - lun., feb. 9
Delta Logo
6:00 am - 10:41 amSTL-LFT
4h 41m1 stop
Delta Logo
5:15 pm - 11:39 pmLFT-STL
6h 24m1 stop
$294Delta
Find Deal
mié., feb. 4 - lun., feb. 9
American Airlines Logo
11:05 am - 9:03 pmSTL-LFT
9h 58m2 stops
American Airlines Logo
10:30 am - 2:47 pmLFT-STL
4h 17m1 stop
$299American Airlines
Find Deal
mié., feb. 4 - lun., feb. 9
American Airlines Logo
9:58 am - 9:20 pmSTL-LFT
11h 22m2 stops
American Airlines Logo
6:21 pm - 11:21 pmLFT-STL
5h 00m1 stop
$324American Airlines
Find Deal
mié., feb. 18 - sáb., feb. 21
United Airlines Logo
8:30 am - 5:39 pmSTL-LFT
9h 09m2 stops
United Airlines Logo
5:15 am - 2:29 pmLFT-STL
9h 14m2 stops
$364United Airlines
Find Deal
mié., feb. 18 - sáb., feb. 21
United Airlines Logo
11:20 am - 7:26 pmSTL-LFT
8h 06m2 stops
United Airlines Logo
12:10 pm - 11:59 pmLFT-STL
11h 49m2 stops
$374United Airlines
Find Deal
vie., ene. 23 - lun., ene. 26
United Airlines Logo
8:30 am - 5:39 pmSTL-LFT
9h 09m2 stops
United Airlines Logo
5:15 am - 2:29 pmLFT-STL
9h 14m2 stops
$425United Airlines
Find Deal
mié., feb. 18 - sáb., feb. 21
United Airlines Logo
4:35 pm - 9:36 pmSTL-LFT
5h 01m1 stop
United Airlines Logo
4:10 pm - 10:00 pmLFT-STL
5h 50m1 stop
$433United Airlines
Find Deal
vie., ene. 23 - lun., ene. 26

American Airlines flights from St. Louis to Lafayette

Our best American Airlines deals on St. Louis to Lafayette flight tickets
American Airlines
Jan 23
STL6:00 amLambert-St Louis
8h 20m
2 stops
LFT2:20 pmLafayette Regional
Jan 26
LFT6:33 pmLafayette Regional
4h 26m
1 stop
STL10:59 pmLambert-St Louis
$254
Find similar
American Airlines
Feb 4
STL11:05 amLambert-St Louis
9h 58m
2 stops
LFT9:03 pmLafayette Regional
Feb 9
LFT10:30 amLafayette Regional
4h 17m
1 stop
STL2:47 pmLambert-St Louis
$299
Find similar
American Airlines
Feb 18
STL9:58 amLambert-St Louis
11h 22m
2 stops
LFT9:20 pmLafayette Regional
Feb 21
LFT6:21 pmLafayette Regional
5h 00m
1 stop
STL11:21 pmLambert-St Louis
$324
Find similar

United Airlines flights from St. Louis to Lafayette

Our best United Airlines deals on St. Louis to Lafayette flight tickets
United Airlines
Feb 18
STL8:30 amLambert-St Louis
9h 09m
2 stops
LFT5:39 pmLafayette Regional
Feb 21
LFT5:15 amLafayette Regional
9h 14m
2 stops
STL2:29 pmLambert-St Louis
$364
Find similar
United Airlines
Jan 23
STL11:20 amLambert-St Louis
8h 06m
2 stops
LFT7:26 pmLafayette Regional
Jan 26
LFT12:10 pmLafayette Regional
11h 49m
2 stops
STL11:59 pmLambert-St Louis
$374
Find similar
United Airlines
Feb 18
STL8:30 amLambert-St Louis
9h 09m
2 stops
LFT5:39 pmLafayette Regional
Feb 21
LFT5:15 amLafayette Regional
9h 14m
2 stops
STL2:29 pmLambert-St Louis
$425
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Lafayette 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, momondo users made 832,500 searches. Data last updated noviembre 3, 2025.
Use the filters below to find and compare flights from St. Louis to Lafayette that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

vie. 1/23

7:10 am-1:52 pm

1 stop6h 42m

Lafayette Regional

lun. 1/26

5:15 pm-11:39 pm

1 stop6h 24m

$249

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

vie. 1/23

6:00 am-2:20 pm

2 stops8h 20m

Lafayette Regional

lun. 1/26

6:33 pm-10:59 pm

1 stop4h 26m

$254

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

mié. 2/4

9:59 am-4:35 pm

1 stop6h 36m

Lafayette Regional

lun. 2/9

5:15 pm-11:39 pm

1 stop6h 24m

$264

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

mié. 2/4

6:00 am-10:41 am

1 stop4h 41m

Lafayette Regional

lun. 2/9

5:15 pm-11:39 pm

1 stop6h 24m

$294

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

mié. 2/4

11:05 am-9:03 pm

2 stops9h 58m

Lafayette Regional

lun. 2/9

10:30 am-2:47 pm

1 stop4h 17m

$299

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

mié. 2/18

9:58 am-9:20 pm

2 stops11h 22m

Lafayette Regional

sáb. 2/21

6:21 pm-11:21 pm

1 stop5h 00m

$324

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

mié. 2/18

8:30 am-5:39 pm

2 stops9h 09m

Lafayette Regional

sáb. 2/21

5:15 am-2:29 pm

2 stops9h 14m

$364

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

vie. 1/23

11:20 am-7:26 pm

2 stops8h 06m

Lafayette Regional

lun. 1/26

12:10 pm-11:59 pm

2 stops11h 49m

$374

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

mié. 2/18

8:30 am-5:39 pm

2 stops9h 09m

Lafayette Regional

sáb. 2/21

5:15 am-2:29 pm

2 stops9h 14m

$425

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

vie. 1/23

4:35 pm-9:36 pm

1 stop5h 01m

Lafayette Regional

lun. 1/26

4:10 pm-10:00 pm

1 stop5h 50m

$433

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Lafayette from

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

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 Lafayette?

If you’re not able to fly to Lafayette in February, then January is your next best option. Flight prices from St. Louis to Lafayette during January average around $278.

What is the cheapest day to depart on your flight to Lafayette?

The cheapest day to depart from St. Louis to Lafayette is on a Tuesday. Travelers who choose to depart for Lafayette on a Tuesday will often find tickets for as low as $270. The most expensive day to fly to Lafayette is Friday, with ticket prices averaging around $452.

What is the cheapest time of day to depart on your flight to Lafayette?

In the morning is the cheapest time of day to fly from St. Louis to Lafayette when you can find flight prices for as low as $298. Flying to Lafayette in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $488 on average. Flights to Lafayette from St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from St. Louis to Lafayette

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

Cheap St. Louis to Lafayette (STL to LFT) flight deals and tips

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

Direct flights

None
There are no direct flights from St. Louis to Lafayette. There are no popular flight routes from St. Louis to Lafayette.
Search flight deals

  • How far is Lambert-St Louis to Lafayette Regional by plane?

    The distance between Lambert-St Louis and Lafayette Regional is about 589.4 mi. By plane, this route typically takes 4h 08m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Lafayette Regional Airport?

    Prices for flights from Lambert-St Louis Airport to Lafayette Regional Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Lafayette Regional Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Lafayette Regional Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Lafayette Regional Airport.

  • What documentation or ID do you need to fly to Lafayette Regional Airport?

    The necessary travel and health documents for your Lafayette Regional Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from St. Louis to Lafayette

Compare and see reviews for airlines that fly from St. Louis to Lafayette with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

Traveling to a place near Lafayette?

Book flights to Lafayette if you plan to visit one of these locations
Opelousas

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Lafayette. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Lafayette from St. Louis with this policy.

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

momondo helps you find the best flight between St. Louis and Lafayette by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Lafayette from St. Louis. 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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