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Cheap flights from South Bend to St. Louis from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Bend to St. Louis departing on 4/9. 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 South Bend to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:13 pm - 6:00 pm
SBN
-
STL
5h 47m
1 stop
United Airlines Logo
8:17 am - 12:38 pm
STL
-
SBN
3h 21m
1 stop
$269United Airlines
Tue, Mar 24 - Sat, Mar 28
United Airlines Logo
8:25 pm - 11:11 pm
SBN
-
STL
3h 46m
1 stop
United Airlines Logo
7:45 am - 2:51 pm
STL
-
SBN
6h 06m
1 stop
$279United Airlines
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
1:13 pm - 6:00 pm
SBN
-
STL
5h 47m
1 stop
United Airlines Logo
6:30 am - 12:31 pm
STL
-
SBN
5h 01m
1 stop
$289United Airlines
Wed, Mar 25 - Sun, Mar 29
United Airlines Logo
4:45 pm - 9:23 pm
SBN
-
STL
5h 38m
1 stop
United Airlines Logo
7:45 am - 12:31 pm
STL
-
SBN
3h 46m
1 stop
$298United Airlines
Fri, Mar 27 - Sun, Mar 29
United Airlines Logo
6:15 am - 8:25 am
SBN
-
STL
3h 10m
1 stop
United Airlines Logo
9:10 am - 4:07 pm
STL
-
SBN
5h 57m
1 stop
$299United Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
9:08 pm - 11:19 pm
SBN
-
STL
27h 11m
1 stop
Multiple Airlines Logo
8:13 pm - 9:59 am
STL
-
SBN
36h 46m
2 stops
$332Multiple Airlines
Sun, May 10 - Sat, May 16
United Airlines Logo
4:45 pm - 9:13 pm
SBN
-
STL
5h 28m
1 stop
United Airlines Logo
9:10 am - 2:51 pm
STL
-
SBN
4h 41m
1 stop
$339United Airlines
Fri, Apr 10 - Tue, Apr 14
United Airlines Logo
6:40 pm - 9:13 pm
SBN
-
STL
3h 33m
1 stop
United Airlines Logo
7:45 am - 12:31 pm
STL
-
SBN
3h 46m
1 stop
$345United Airlines
Sun, May 10 - Sat, May 16
Delta Logo
2:10 pm - 4:42 pm
SBN
-
STL
3h 32m
1 stop
Delta Logo
6:20 am - 1:30 pm
STL
-
SBN
6h 10m
2 stops
$358Delta
Thu, Apr 16 - Sun, Apr 19
United Airlines Logo
4:45 pm - 9:52 pm
SBN
-
STL
6h 07m
1 stop
United Airlines Logo
9:10 am - 2:51 pm
STL
-
SBN
4h 41m
1 stop
$359United Airlines
Fri, Apr 10 - Tue, Apr 14

United Airlines flights from South Bend to St. Louis

Our best United Airlines deals on South Bend to St. Louis flight tickets
United Airlines
Apr 2
SBN8:25 pmSouth Bend/Michiana
3h 46m
1 stop
STL11:11 pmLambert-St Louis
Apr 6
STL7:45 amLambert-St Louis
6h 06m
1 stop
SBN2:51 pmSouth Bend/Michiana
$279
United Airlines
Mar 25
SBN1:13 pmSouth Bend/Michiana
5h 47m
1 stop
STL6:00 pmLambert-St Louis
Mar 29
STL6:30 amLambert-St Louis
5h 01m
1 stop
SBN12:31 pmSouth Bend/Michiana
$289
United Airlines
Mar 27
SBN4:45 pmSouth Bend/Michiana
5h 38m
1 stop
STL9:23 pmLambert-St Louis
Mar 29
STL7:45 amLambert-St Louis
3h 46m
1 stop
SBN12:31 pmSouth Bend/Michiana
$298

Delta flights from South Bend to St. Louis

Our best Delta deals on South Bend to St. Louis flight tickets
Delta
Apr 5
SBN6:00 amSouth Bend/Michiana
6h 09m
1 stop
STL11:09 amLambert-St Louis
Apr 13
STL5:35 pmLambert-St Louis
3h 56m
1 stop
SBN10:31 pmSouth Bend/Michiana
$299
Delta
Apr 16
SBN2:10 pmSouth Bend/Michiana
3h 32m
1 stop
STL4:42 pmLambert-St Louis
Apr 19
STL6:20 amLambert-St Louis
6h 10m
2 stops
SBN1:30 pmSouth Bend/Michiana
$358
Delta
Jun 30
SBN8:00 amSouth Bend/Michiana
7h 37m
2 stops
STL2:37 pmLambert-St Louis
Jul 6
STL2:18 pmLambert-St Louis
5h 28m
1 stop
SBN8:46 pmSouth Bend/Michiana
$417

momondo Fare Finder

 
Customize your flight search to find flights from South Bend 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, momondo users made 832,500 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from South Bend to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Tue 3/24

1:13 pm-6:00 pm

1 stop5h 47m

Lambert-St Louis

Sat 3/28

8:17 am-12:38 pm

1 stop3h 21m

$269

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 4/2

8:25 pm-11:11 pm

1 stop3h 46m

Lambert-St Louis

Mon 4/6

7:45 am-2:51 pm

1 stop6h 06m

$279

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 3/25

1:13 pm-6:00 pm

1 stop5h 47m

Lambert-St Louis

Sun 3/29

6:30 am-12:31 pm

1 stop5h 01m

$289

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 3/27

4:45 pm-9:23 pm

1 stop5h 38m

Lambert-St Louis

Sun 3/29

7:45 am-12:31 pm

1 stop3h 46m

$298

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 4/16

6:15 am-8:25 am

1 stop3h 10m

Lambert-St Louis

Sun 4/19

9:10 am-4:07 pm

1 stop5h 57m

$299

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sun 5/10

9:08 pm-11:19 pm

1 stop27h 11m

Lambert-St Louis

Sat 5/16

8:13 pm-9:59 am

2 stops36h 46m

$332

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 4/10

4:45 pm-9:13 pm

1 stop5h 28m

Lambert-St Louis

Tue 4/14

9:10 am-2:51 pm

1 stop4h 41m

$339
Quickest round-trip

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sun 5/10

6:40 pm-9:13 pm

1 stop3h 33m

Lambert-St Louis

Sat 5/16

7:45 am-12:31 pm

1 stop3h 46m

$345

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 4/16

2:10 pm-4:42 pm

1 stop3h 32m

Lambert-St Louis

Sun 4/19

6:20 am-1:30 pm

2 stops6h 10m

$358

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 4/10

4:45 pm-9:52 pm

1 stop6h 07m

Lambert-St Louis

Tue 4/14

9:10 am-2:51 pm

1 stop4h 41m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from South Bend to St. Louis

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 typical price of a round-trip flight between South Bend and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from South Bend to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. The month of July is another great option to travel to St. Louis, with average flight prices from South Bend averaging around $258.

When to book flights from South Bend to St. Louis

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

Cheap South Bend to St. Louis (SBN to STL) flight deals and tips

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

Fastest flight time

3h 10m

Direct flights

None
The fastest flight from South Bend to St. Louis takes 3h 10m
There are no direct flights from South Bend to St. Louis. There are no popular flight routes from South Bend to St. Louis.
Search flight deals

  • How far is South Bend/Michiana to Lambert-St Louis by plane?

    There are 296.5 mi between South Bend/Michiana and Lambert-St Louis. By plane, this route typically takes 3h 10m.

  • When did momondo last update prices for flights from South Bend/Michiana Airport to Lambert-St Louis Airport?

    Prices for flights from South Bend/Michiana Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from South Bend/Michiana Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from South Bend/Michiana Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Bend/Michiana Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from South Bend to St. Louis

Compare and see reviews for airlines that fly from South Bend to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $218Free CancellationRating
7.9
8,291 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,423 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
St. Peters
Fenton
Alton
Wentzville
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Shrewsbury

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from South Bend to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to St. Louis from South Bend on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential South Bend to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from South Bend to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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