Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Lafayette from $126

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 11/5. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Lafayette

Cheap round-trip flights

United Airlines Logo
6:15 am - 11:10 amSTL-LFT
4h 55m1 stop
United Airlines Logo
4:10 pm - 10:00 pmLFT-STL
5h 50m1 stop
$259United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
8:00 am - 5:45 pmSTL-LFT
9h 45m2 stops
United Airlines Logo
4:10 pm - 10:00 pmLFT-STL
5h 50m1 stop
$264United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
5:11 pm - 11:08 pmSTL-LFT
5h 57m1 stop
United Airlines Logo
12:05 pm - 4:28 pmLFT-STL
4h 23m1 stop
$329United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
11:06 am - 5:45 pmSTL-LFT
6h 39m1 stop
United Airlines Logo
12:05 pm - 10:35 pmLFT-STL
10h 30m2 stops
$334United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
3:23 pm - 11:08 pmSTL-LFT
7h 45m2 stops
United Airlines Logo
5:15 am - 3:44 pmLFT-STL
10h 29m2 stops
$339United Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
United Airlines Logo
6:15 am - 11:10 amSTL-LFT
4h 55m1 stop
United Airlines Logo
6:30 am - 10:39 amLFT-STL
4h 09m1 stop
$388United Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
United Airlines Logo
3:23 pm - 11:08 pmSTL-LFT
7h 45m2 stops
United Airlines Logo
5:15 am - 3:44 pmLFT-STL
10h 29m2 stops
$390United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
5:15 am - 11:08 pmSTL-LFT
17h 53m2 stops
United Airlines Logo
6:30 am - 10:39 amLFT-STL
4h 09m1 stop
$606United Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
American Airlines Logo
5:17 am - 9:32 amSTL-LFT
4h 15m1 stop
American Airlines Logo
4:01 pm - 10:34 pmLFT-STL
6h 33m1 stop
$622American Airlines
Find Deal
Wed, Nov 26 - Sun, Nov 30
American Airlines Logo
2:17 pm - 11:09 pmSTL-LFT
8h 52m2 stops
American Airlines Logo
5:59 pm - 10:34 pmLFT-STL
4h 35m1 stop
$838American Airlines
Find Deal
Wed, Nov 26 - Sun, Nov 30

United Airlines flights from St. Louis to Lafayette

Our best United Airlines deals on St. Louis to Lafayette flight tickets
United Airlines
Oct 1
STL6:15 amLambert-St Louis
4h 55m
1 stop
LFT11:10 amLafayette Regional
Oct 5
LFT4:10 pmLafayette Regional
5h 50m
1 stop
STL10:00 pmLambert-St Louis
$259
Find similar
United Airlines
Oct 1
STL8:00 amLambert-St Louis
9h 45m
2 stops
LFT5:45 pmLafayette Regional
Oct 5
LFT4:10 pmLafayette Regional
5h 50m
1 stop
STL10:00 pmLambert-St Louis
$264
Find similar
United Airlines
Sep 30
STL5:11 pmLambert-St Louis
5h 57m
1 stop
LFT11:08 pmLafayette Regional
Oct 4
LFT12:05 pmLafayette Regional
4h 23m
1 stop
STL4:28 pmLambert-St Louis
$329
Find similar

American Airlines flights from St. Louis to Lafayette

Our best American Airlines deals on St. Louis to Lafayette flight tickets
American Airlines
Nov 26
STL5:17 amLambert-St Louis
4h 15m
1 stop
LFT9:32 amLafayette Regional
Nov 30
LFT4:01 pmLafayette Regional
6h 33m
1 stop
STL10:34 pmLambert-St Louis
$622
Find similar
American Airlines
Nov 26
STL2:17 pmLambert-St Louis
8h 52m
2 stops
LFT11:09 pmLafayette Regional
Nov 30
LFT5:59 pmLafayette Regional
4h 35m
1 stop
STL10:34 pmLambert-St Louis
$838
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 September 17, 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

Wed 10/1

6:15 am-11:10 am

1 stop4h 55m

Lafayette Regional

Sun 10/5

4:10 pm-10:00 pm

1 stop5h 50m

$259

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 10/1

8:00 am-5:45 pm

2 stops9h 45m

Lafayette Regional

Sun 10/5

4:10 pm-10:00 pm

1 stop5h 50m

$264

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Tue 9/30

5:11 pm-11:08 pm

1 stop5h 57m

Lafayette Regional

Sat 10/4

12:05 pm-4:28 pm

1 stop4h 23m

$329

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Tue 9/30

11:06 am-5:45 pm

1 stop6h 39m

Lafayette Regional

Sat 10/4

12:05 pm-10:35 pm

2 stops10h 30m

$334

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Tue 9/30

3:23 pm-11:08 pm

2 stops7h 45m

Lafayette Regional

Sat 10/4

5:15 am-3:44 pm

2 stops10h 29m

$339

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Fri 10/24

6:15 am-11:10 am

1 stop4h 55m

Lafayette Regional

Sun 10/26

6:30 am-10:39 am

1 stop4h 09m

$388

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 10/1

3:23 pm-11:08 pm

2 stops7h 45m

Lafayette Regional

Sun 10/5

5:15 am-3:44 pm

2 stops10h 29m

$390

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Fri 10/24

5:15 am-11:08 pm

2 stops17h 53m

Lafayette Regional

Sun 10/26

6:30 am-10:39 am

1 stop4h 09m

$606

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 11/26

5:17 am-9:32 am

1 stop4h 15m

Lafayette Regional

Sun 11/30

4:01 pm-10:34 pm

1 stop6h 33m

$622

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 11/26

2:17 pm-11:09 pm

2 stops8h 52m

Lafayette Regional

Sun 11/30

5:59 pm-10:34 pm

1 stop4h 35m

$838

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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

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 15m.

  • 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
United AirlinesPriceFrom $253Free CancellationRating
7.4
8,926 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.

An easier way to manage your Lafayette trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States