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Cheap flights from St. Louis to Lafayette from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lafayette departing on 8/29. 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 St. Louis to Lafayette

Cheap round-trip flights

Delta Logo
3:36 pm - 8:57 pmSTL-LFT
5h 21m1 stop
Delta Logo
5:40 pm - 10:02 pmLFT-STL
4h 22m1 stop
$259Delta
Find Deal
Sat, Aug 16 - Wed, Aug 20
American Airlines Logo
7:23 am - 3:55 pmSTL-LFT
8h 32m2 stops
American Airlines Logo
8:16 am - 1:51 pmLFT-STL
5h 35m1 stop
$264American Airlines
Find Deal
Sat, Aug 16 - Wed, Aug 20
American Airlines Logo
6:00 am - 3:55 pmSTL-LFT
9h 55m2 stops
American Airlines Logo
5:48 am - 1:12 pmLFT-STL
7h 24m2 stops
$339American Airlines
Find Deal
Sat, Aug 16 - Wed, Aug 20

Delta flights from St. Louis to Lafayette

Our best Delta deals on St. Louis to Lafayette flight tickets
Delta
Aug 16
STL3:36 pmLambert-St Louis
5h 21m
1 stop
LFT8:57 pmLafayette Regional
Aug 20
LFT5:40 pmLafayette Regional
4h 22m
1 stop
STL10:02 pmLambert-St Louis
$259
Find similar
Delta
Aug 8
STL10:46 amLambert-St Louis
4h 08m
1 stop
LFT2:54 pmLafayette Regional
Aug 12
LFT5:40 pmLafayette Regional
4h 22m
1 stop
STL10:02 pmLambert-St Louis
$324
Find similar

American Airlines flights from St. Louis to Lafayette

Our best American Airlines deals on St. Louis to Lafayette flight tickets
American Airlines
Aug 16
STL7:23 amLambert-St Louis
8h 32m
2 stops
LFT3:55 pmLafayette Regional
Aug 20
LFT8:16 amLafayette Regional
5h 35m
1 stop
STL1:51 pmLambert-St Louis
$264
Find similar
American Airlines
Aug 8
STL12:20 pmLambert-St Louis
5h 38m
1 stop
LFT5:58 pmLafayette Regional
Aug 12
LFT12:12 pmLafayette Regional
8h 13m
2 stops
STL8:25 pmLambert-St Louis
$329
Find similar
American Airlines
Aug 16
STL6:00 amLambert-St Louis
9h 55m
2 stops
LFT3:55 pmLafayette Regional
Aug 20
LFT5:48 amLafayette Regional
7h 24m
2 stops
STL1:12 pmLambert-St Louis
$339
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 August 2, 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

Sat 8/16

3:36 pm-8:57 pm

1 stop5h 21m

Lafayette Regional

Wed 8/20

5:40 pm-10:02 pm

1 stop4h 22m

$259

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Sat 8/16

7:23 am-3:55 pm

2 stops8h 32m

Lafayette Regional

Wed 8/20

8:16 am-1:51 pm

1 stop5h 35m

$264

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Sat 8/16

6:00 am-3:55 pm

2 stops9h 55m

Lafayette Regional

Wed 8/20

5:48 am-1:12 pm

2 stops7h 24m

$339

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Fri 8/29

7:01 am-11:32 am

1 stop4h 31m

$239

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Fri 8/29

7:23 am-3:54 pm

2 stops8h 31m

$380

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 November, then February is your next best option. Flight prices from St. Louis to Lafayette during February average around $258.

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

Best Price Found

$239

Fastest flight time

4h 31m

Direct flights

None

Airports in Lafayette

1 airport
The best one-way flight to Lafayette from St. Louis in the past 72 hours is $239. The best round-trip flight deal from St. Louis to Lafayette found on momondo in the last 72 hours is $259.
The fastest flight from St. Louis to Lafayette takes 4h 31m
There are no direct flights from St. Louis to Lafayette. Popular non-direct route for this connection is Lambert-St Louis Airport - Lafayette Regional Airport.
There is 1 airport near Lafayette: Lafayette Regional (LFT)
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  • 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 5h 21m.

  • 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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
8,905 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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