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$309+ Cheap flights from Lafayette to St. Louis (LFT - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
LFT — STL
Jun 18 — Jun 251
Thu 6/18
Thu 6/25
1 adult, Economy
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Cheap flight deals from Lafayette to St. Louis

Cheapest flights from Lafayette to St. Louis
Explore the most affordable flight options available from Lafayette to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.

This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:27 pm
LFT
-
STL
1 stop4h 13m
American Airlines
Fri 6/195:30 am
STL
-
LFT
1 stop4h 51m
American Airlines
Deal found 5/18$309
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:15 pm
LFT
-
STL
1 stop6h 44m
Delta
Wed 6/37:05 am
STL
-
LFT
1 stop7h 18m
Delta
Deal found 5/17$311
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:27 pm
LFT
-
STL
1 stop4h 15m
American Airlines
Wed 6/38:36 am
STL
-
LFT
1 stop4h 46m
American Airlines
Deal found 5/15$339
This American Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:53 pm
LFT
-
STL
2 stops10h 01m
American Airlines
Wed 6/35:25 am
STL
-
LFT
1 stop4h 56m
American Airlines
Deal found 5/17$360
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:10 pm
LFT
-
STL
1 stop6h 20m
United Airlines
Wed 10/288:50 am
STL
-
LFT
1 stop4h 29m
United Airlines
Deal found 5/17$363
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:03 pm
LFT
-
STL
1 stop6h 53m
Delta
Thu 6/259:21 am
STL
-
LFT
1 stop5h 18m
Delta
Deal found 5/18$376
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:15 pm
LFT
-
STL
1 stop6h 44m
Delta
Thu 5/289:13 am
STL
-
LFT
1 stop5h 10m
Delta
Deal found 5/15$399
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:27 pm
LFT
-
STL
1 stop4h 15m
American Airlines
Thu 5/286:00 am
STL
-
LFT
2 stops7h 22m
American Airlines
Deal found 5/15$404

Find flight deals from Lafayette to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Lafayette (LFT) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

Popular in

March

Cheapest in

July

Average price

$359
Provider with most accurate pricing for Lafayette Regional-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lafayette Regional-Lambert-St Louis flights.
Search Deals
From Lafayette Regional to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lafayette to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2026.
Use the filters below to find and compare flights from Lafayette to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LafayetteSt. Louis

LFT - STL

LFTSTL

Lafayette Regional

Sat 10/24

4:10 pm-10:30 pm

1 stop6h 20m

Lambert-St Louis

Wed 10/28

8:50 am-1:19 pm

1 stop4h 29m

$363

LafayetteSt. Louis

LFT - STL

LFTSTL

Lafayette Regional

Thu 6/18

5:03 pm-11:56 pm

1 stop6h 53m

Lambert-St Louis

Tue 6/23

3:57 pm-9:45 pm

1 stop5h 48m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Sorted by cheapest first

Compare providers for flights from Lafayette to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lafayette to St. Louis in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lafayette-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lafayette-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lafayette-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lafayette-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lafayette-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lafayette to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Lafayette 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 Lafayette to St. Louis

How much does it cost to fly round-trip from Lafayette to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated May 19, 2026.
Get a feel of what it's like to fly with Delta and American Airlines from Lafayette to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,455 reviews

Overall

7.9

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,455 reviews
Delta
7.9
Good
8,455 reviews

Overall

7.9

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,648 reviews
Delta
7.9
Good
8,455 reviews

Overall

7.9

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Lafayette to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Lafayette to St. Louis?

    Airlines like United Airlines fly from Lafayette to St. Louis in about 6h 20m. The time it takes to get you to your destination can typically vary by up to . Lafayette and St. Louis are separated by a distance of 597 mi.

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

    American Airlines, at $228, was found to be the cheapest airline from Lafayette to St. Louis. An alternate airline flying to your destination would be Delta. You may be able to fly from Lafayette to St. Louis for 32% less than the average price by searching for these airlines.

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

    Yes. In addition to deals on Lafayette to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lafayette to St. Louis.

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

    Yes. Cheapflights offers flight deals from Lafayette to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lafayette to St. Louis

Discover the top 2 airlines that operate flights from Lafayette to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$362FlexibilityNo cancel feeOn-time71%
DeltaCheapest$304Average$368FlexibilityNo cancel feeOn-timeN/A

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