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Cheap flights from South Bend to St. Louis from $219

This is the cheapest round-trip 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 10/15. 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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Find the cheapest flights from South Bend to St. Louis

Cheap round-trip flights

United Airlines Logo
6:05 am - 10:49 amSBN-STL
5h 44m1 stop
United Airlines Logo
5:00 am - 10:56 amSTL-SBN
4h 56m1 stop
$219United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
8:00 am - 4:50 pmSBN-STL
9h 50m2 stops
Delta Logo
6:00 am - 11:37 amSTL-SBN
4h 37m1 stop
$224Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
Delta Logo
8:00 am - 4:50 pmSBN-STL
9h 50m2 stops
Delta Logo
6:30 am - 1:50 pmSTL-SBN
6h 20m2 stops
$229Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
9:10 am - 2:27 pmSBN-STL
6h 17m1 stop
United Airlines Logo
6:43 pm - 11:25 pmSTL-SBN
3h 42m1 stop
$246United Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Delta Logo
6:00 am - 10:50 amSBN-STL
5h 50m1 stop
Delta Logo
6:00 am - 11:37 amSTL-SBN
4h 37m1 stop
$269Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
Delta Logo
8:25 am - 2:35 pmSBN-STL
7h 10m2 stops
Delta Logo
6:40 am - 1:31 pmSTL-SBN
5h 51m1 stop
$279Delta
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
11:57 am - 3:46 pmSBN-STL
4h 49m1 stop
United Airlines Logo
6:30 am - 11:13 amSTL-SBN
3h 43m1 stop
$333United Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
United Airlines Logo
11:57 am - 3:46 pmSBN-STL
4h 49m1 stop
United Airlines Logo
5:24 pm - 11:25 pmSTL-SBN
5h 01m1 stop
$357United Airlines
Find Deal
Wed, Nov 26 - Sat, Nov 29
Multiple Airlines Logo
10:20 pm - 9:07 amSBN-STL
11h 47m2 stops
Multiple Airlines Logo
10:57 am - 10:59 amSTL-SBN
23h 02m1 stop
$377Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Delta Logo
4:06 pm - 11:41 pmSBN-STL
8h 35m2 stops
Delta Logo
5:31 pm - 10:29 pmSTL-SBN
3h 58m1 stop
$423Delta
Find Deal
Fri, Oct 10 - Mon, Oct 13

United Airlines flights from South Bend to St. Louis

Our best United Airlines deals on South Bend to St. Louis flight tickets
United Airlines
Oct 15
SBN6:05 amSouth Bend/Michiana
5h 44m
1 stop
STL10:49 amLambert-St Louis
Oct 22
STL5:00 amLambert-St Louis
4h 56m
1 stop
SBN10:56 amSouth Bend/Michiana
$219
Find similar
United Airlines
Oct 1
SBN7:40 amSouth Bend/Michiana
4h 09m
1 stop
STL10:49 amLambert-St Louis
Oct 5
STL6:30 amLambert-St Louis
3h 42m
1 stop
SBN11:12 amSouth Bend/Michiana
$229
Find similar
United Airlines
Oct 23
SBN9:10 amSouth Bend/Michiana
6h 17m
1 stop
STL2:27 pmLambert-St Louis
Oct 26
STL6:43 pmLambert-St Louis
3h 42m
1 stop
SBN11:25 pmSouth Bend/Michiana
$246
Find similar

Delta flights from South Bend to St. Louis

Our best Delta deals on South Bend to St. Louis flight tickets
Delta
Feb 21
SBN8:00 amSouth Bend/Michiana
9h 50m
2 stops
STL4:50 pmLambert-St Louis
Feb 24
STL6:00 amLambert-St Louis
4h 37m
1 stop
SBN11:37 amSouth Bend/Michiana
$224
Find similar
Delta
Feb 21
SBN8:00 amSouth Bend/Michiana
9h 50m
2 stops
STL4:50 pmLambert-St Louis
Feb 24
STL6:30 amLambert-St Louis
6h 20m
2 stops
SBN1:50 pmSouth Bend/Michiana
$229
Find similar
Delta
Feb 21
SBN6:00 amSouth Bend/Michiana
5h 50m
1 stop
STL10:50 amLambert-St Louis
Feb 24
STL6:00 amLambert-St Louis
4h 37m
1 stop
SBN11:37 amSouth Bend/Michiana
$269
Find similar

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 September 17, 2025.
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

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 10/15

6:05 am-10:49 am

1 stop5h 44m

Lambert-St Louis

Wed 10/22

5:00 am-10:56 am

1 stop4h 56m

$219

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sat 2/21

8:00 am-4:50 pm

2 stops9h 50m

Lambert-St Louis

Tue 2/24

6:00 am-11:37 am

1 stop4h 37m

$224

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sat 2/21

8:00 am-4:50 pm

2 stops9h 50m

Lambert-St Louis

Tue 2/24

6:30 am-1:50 pm

2 stops6h 20m

$229

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 10/23

9:10 am-2:27 pm

1 stop6h 17m

Lambert-St Louis

Sun 10/26

6:43 pm-11:25 pm

1 stop3h 42m

$246

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Sat 2/21

6:00 am-10:50 am

1 stop5h 50m

Lambert-St Louis

Tue 2/24

6:00 am-11:37 am

1 stop4h 37m

$269

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 10/1

8:25 am-2:35 pm

2 stops7h 10m

Lambert-St Louis

Sun 10/5

6:40 am-1:31 pm

1 stop5h 51m

$279

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 11/20

11:57 am-3:46 pm

1 stop4h 49m

Lambert-St Louis

Sun 11/23

6:30 am-11:13 am

1 stop3h 43m

$333

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 11/26

11:57 am-3:46 pm

1 stop4h 49m

Lambert-St Louis

Sat 11/29

5:24 pm-11:25 pm

1 stop5h 01m

$357

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 10/23

10:20 pm-9:07 am

2 stops11h 47m

Lambert-St Louis

Sun 10/26

10:57 am-10:59 am

1 stop23h 02m

$377

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 10/10

4:06 pm-11:41 pm

2 stops8h 35m

Lambert-St Louis

Mon 10/13

5:31 pm-10:29 pm

1 stop3h 58m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 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 $238. The month of July is another great option to travel to St. Louis, with average flight prices from South Bend averaging around $238.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $276. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $472. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from South Bend in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $298 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $438 per ticket.

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

Direct flights

None
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 38m.

  • 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
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,926 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
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
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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