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Cheap flights from Illinois 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 Illinois to Lafayette departing on 11/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Lafayette

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 2:33 pmSTL-LFT
7h 03m1 stop
Delta Logo
11:00 am - 4:01 pmLFT-STL
5h 01m1 stop
$249Delta
Find Deal
Wed, Feb 18 - Sat, Feb 21
American Airlines Logo
1:20 pm - 5:28 pmSTL-LFT
4h 08m1 stop
American Airlines Logo
7:08 am - 1:17 pmLFT-STL
6h 09m1 stop
$259American Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
10:00 am - 7:28 pmSTL-LFT
9h 28m2 stops
United Airlines Logo
5:20 am - 10:39 amLFT-STL
5h 19m1 stop
$264United Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
10:00 am - 7:28 pmSTL-LFT
9h 28m2 stops
United Airlines Logo
5:20 am - 3:46 pmLFT-STL
10h 26m2 stops
$269United Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
Delta Logo
5:15 pm - 10:31 pmSTL-LFT
5h 16m1 stop
Delta Logo
5:25 pm - 11:44 pmLFT-STL
6h 19m1 stop
$289Delta
Find Deal
Fri, Nov 7 - Mon, Nov 10
Delta Logo
5:15 pm - 10:31 pmSTL-LFT
5h 16m1 stop
Delta Logo
5:25 pm - 11:44 pmLFT-STL
6h 19m1 stop
$299Delta
Find Deal
Fri, Nov 7 - Mon, Nov 10
Delta Logo
5:34 pm - 10:15 pmMDW-LFT
4h 41m1 stop
Delta Logo
6:01 am - 11:52 amLFT-MDW
5h 51m1 stop
$314Delta
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
3:43 pm - 10:43 pmORD-LFT
7h 00m1 stop
United Airlines Logo
6:05 pm - 12:15 amLFT-ORD
6h 10m1 stop
$319United Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 1
Delta Logo
5:15 pm - 10:31 pmSTL-LFT
5h 16m1 stop
Delta Logo
3:32 pm - 9:18 pmLFT-STL
5h 46m1 stop
$319Delta
Find Deal
Fri, Nov 7 - Sun, Nov 9
American Airlines Logo
9:58 am - 9:20 pmSTL-LFT
11h 22m2 stops
American Airlines Logo
10:29 am - 5:05 pmLFT-STL
6h 36m1 stop
$324American Airlines
Find Deal
Wed, Feb 18 - Sat, Feb 21

Delta flights from Illinois to Lafayette

Our best Delta deals on Illinois to Lafayette flight tickets
Delta
Feb 18
STL7:30 amLambert-St Louis
7h 03m
1 stop
LFT2:33 pmLafayette Regional
Feb 21
LFT11:00 amLafayette Regional
5h 01m
1 stop
STL4:01 pmLambert-St Louis
$249
Find similar
Delta
Nov 7
STL5:15 pmLambert-St Louis
5h 16m
1 stop
LFT10:31 pmLafayette Regional
Nov 10
LFT5:25 pmLafayette Regional
6h 19m
1 stop
STL11:44 pmLambert-St Louis
$289
Find similar
Delta
Nov 7
STL5:15 pmLambert-St Louis
5h 16m
1 stop
LFT10:31 pmLafayette Regional
Nov 10
LFT5:25 pmLafayette Regional
6h 19m
1 stop
STL11:44 pmLambert-St Louis
$299
Find similar

American Airlines flights from Illinois to Lafayette

Our best American Airlines deals on Illinois to Lafayette flight tickets
American Airlines
Nov 11
STL1:20 pmLambert-St Louis
4h 08m
1 stop
LFT5:28 pmLafayette Regional
Nov 15
LFT7:08 amLafayette Regional
6h 09m
1 stop
STL1:17 pmLambert-St Louis
$259
Find similar
American Airlines
Nov 4
ORD3:44 pmChicago O'Hare Intl
5h 21m
1 stop
LFT9:05 pmLafayette Regional
Nov 14
LFT7:19 amLafayette Regional
7h 38m
1 stop
ORD2:57 pmChicago O'Hare Intl
$289
Find similar
American Airlines
Feb 18
STL9:58 amLambert-St Louis
11h 22m
2 stops
LFT9:20 pmLafayette Regional
Feb 21
LFT10:29 amLafayette Regional
6h 36m
1 stop
STL5:05 pmLambert-St Louis
$324
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 October 28, 2025.
Use the filters below to find and compare flights from Illinois to Lafayette that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 2/18

7:30 am-2:33 pm

1 stop7h 03m

Lafayette Regional

Sat 2/21

11:00 am-4:01 pm

1 stop5h 01m

$249

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Tue 11/11

1:20 pm-5:28 pm

1 stop4h 08m

Lafayette Regional

Sat 11/15

7:08 am-1:17 pm

1 stop6h 09m

$259

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Tue 11/11

10:00 am-7:28 pm

2 stops9h 28m

Lafayette Regional

Sat 11/15

5:20 am-10:39 am

1 stop5h 19m

$264

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Tue 11/11

10:00 am-7:28 pm

2 stops9h 28m

Lafayette Regional

Sat 11/15

5:20 am-3:46 pm

2 stops10h 26m

$269

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Fri 11/7

5:15 pm-10:31 pm

1 stop5h 16m

Lafayette Regional

Mon 11/10

5:25 pm-11:44 pm

1 stop6h 19m

$289

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Fri 11/7

5:15 pm-10:31 pm

1 stop5h 16m

Lafayette Regional

Mon 11/10

5:25 pm-11:44 pm

1 stop6h 19m

$299

ChicagoLafayette

MDW - LFT

MDWLFT

Chicago Midway

Fri 11/14

5:34 pm-10:15 pm

1 stop4h 41m

Lafayette Regional

Sun 11/16

6:01 am-11:52 am

1 stop5h 51m

$314

ChicagoLafayette

ORD - LFT

ORDLFT

Chicago O'Hare Intl

Mon 11/24

3:43 pm-10:43 pm

1 stop7h 00m

Lafayette Regional

Mon 12/1

6:05 pm-12:15 am

1 stop6h 10m

$319

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Fri 11/7

5:15 pm-10:31 pm

1 stop5h 16m

Lafayette Regional

Sun 11/9

3:32 pm-9:18 pm

1 stop5h 46m

$319

St. LouisLafayette

STL - LFT

STLLFT

Lambert-St Louis

Wed 2/18

9:58 am-9:20 pm

2 stops11h 22m

Lafayette Regional

Sat 2/21

10:29 am-5:05 pm

1 stop6h 36m

$324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Lafayette from

How to get the cheapest flight ticket from Illinois 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 August, then May is your next best option. Flight prices from Illinois to Lafayette during May average around $253.

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

The cheapest day to depart from Illinois to Lafayette is on a Wednesday. Travelers who choose to depart for Lafayette on a Wednesday will often find tickets for as low as $268. The most expensive day to fly to Lafayette is Sunday, with ticket prices averaging around $543.

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

In the afternoon is the cheapest time of day to fly from Illinois to Lafayette when you can find flight prices for as low as $391. Flying to Lafayette in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $546 on average. Flights to Lafayette from Illinois at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Illinois to Lafayette flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Lafayette

Direct flights

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

  • When did momondo last update prices for flights from Illinois to Lafayette Regional Airport?

    Prices for flights from Illinois to Lafayette Regional Airport were last updated today.

  • How many operators does momondo search for flights from Illinois to Lafayette Regional Airport?

  • How old do you have to be to fly from Illinois to Lafayette Regional Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Lafayette Regional Airport.

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

    The travel and health documents you'll need for your trip to Lafayette Regional Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lafayette Regional Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Lafayette

Compare and see reviews for airlines that fly from Illinois to Lafayette with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $199Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,001 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 Illinois to Lafayette?

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

Can I find flights from Illinois to Lafayette with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Lafayette flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Lafayette?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lafayette from Illinois.

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

Price alerts on flights to Lafayette from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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