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Cheap flights from South Bend to St. Louis from $229

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 8/14. 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

Delta Logo
6:15 am - 12:31 pmSBN-STL
7h 16m1 stop
Delta Logo
3:40 pm - 9:49 pmSTL-SBN
5h 09m1 stop
$229Delta
Find Deal
Thu, Aug 14 - Mon, Aug 18
Delta Logo
2:15 pm - 11:14 pmSBN-STL
9h 59m2 stops
Delta Logo
1:26 pm - 9:49 pmSTL-SBN
7h 23m1 stop
$234Delta
Find Deal
Thu, Aug 14 - Mon, Aug 18
United Airlines Logo
3:59 pm - 6:23 pmSBN-STL
3h 24m1 stop
United Airlines Logo
5:30 pm - 11:23 pmSTL-SBN
4h 53m1 stop
$259United Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 7
Delta Logo
2:00 pm - 10:02 pmSBN-STL
9h 02m2 stops
Delta Logo
6:40 am - 1:30 pmSTL-SBN
5h 50m1 stop
$364Delta
Find Deal
Fri, Sep 5 - Sun, Sep 7
Delta Logo
2:00 pm - 10:02 pmSBN-STL
9h 02m2 stops
Delta Logo
6:00 am - 1:30 pmSTL-SBN
6h 30m2 stops
$369Delta
Find Deal
Fri, Sep 5 - Sun, Sep 7
Delta Logo
2:15 pm - 11:14 pmSBN-STL
9h 59m2 stops
Delta Logo
9:17 am - 8:44 pmSTL-SBN
10h 27m2 stops
$378Delta
Find Deal
Thu, Aug 14 - Mon, Aug 18
United Airlines Logo
9:20 am - 2:37 pmSBN-STL
6h 17m1 stop
United Airlines Logo
5:30 pm - 9:35 pmSTL-SBN
3h 05m1 stop
$427United Airlines
Find Deal
Thu, Aug 14 - Mon, Aug 18
United Airlines Logo
7:30 am - 12:27 pmSBN-STL
5h 57m1 stop
United Airlines Logo
5:30 pm - 9:35 pmSTL-SBN
3h 05m1 stop
$473United Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
United Airlines Logo
4:55 pm - 7:27 pmSBN-STL
3h 32m1 stop
United Airlines Logo
7:04 pm - 3:18 pmSTL-SBN
19h 14m1 stop
$517United Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 17
United Airlines Logo
4:55 pm - 2:33 pmSBN-STL
22h 38m1 stop
United Airlines Logo
6:35 am - 12:36 pmSTL-SBN
5h 01m1 stop
$518United Airlines
Find Deal
Mon, Aug 25 - Wed, Aug 27

United Airlines flights from South Bend to St. Louis

Our best United Airlines deals on South Bend to St. Louis flight tickets
United Airlines
Sep 5
SBN3:59 pmSouth Bend/Michiana
3h 24m
1 stop
STL6:23 pmLambert-St Louis
Sep 7
STL5:30 pmLambert-St Louis
4h 53m
1 stop
SBN11:23 pmSouth Bend/Michiana
$259
Find similar
United Airlines
Aug 2
SBN6:20 pmSouth Bend/Michiana
5h 25m
1 stop
STL10:45 pmLambert-St Louis
Aug 4
STL5:30 pmLambert-St Louis
5h 00m
1 stop
SBN11:30 pmSouth Bend/Michiana
$319
Find similar
United Airlines
Aug 14
SBN9:20 amSouth Bend/Michiana
6h 17m
1 stop
STL2:37 pmLambert-St Louis
Aug 18
STL5:30 pmLambert-St Louis
3h 05m
1 stop
SBN9:35 pmSouth Bend/Michiana
$427
Find similar

Delta flights from South Bend to St. Louis

Our best Delta deals on South Bend to St. Louis flight tickets
Delta
Aug 14
SBN6:15 amSouth Bend/Michiana
7h 16m
1 stop
STL12:31 pmLambert-St Louis
Aug 18
STL3:40 pmLambert-St Louis
5h 09m
1 stop
SBN9:49 pmSouth Bend/Michiana
$229
Find similar
Delta
Aug 14
SBN2:15 pmSouth Bend/Michiana
9h 59m
2 stops
STL11:14 pmLambert-St Louis
Aug 18
STL1:26 pmLambert-St Louis
7h 23m
1 stop
SBN9:49 pmSouth Bend/Michiana
$234
Find similar
Delta
Aug 1
SBN11:44 amSouth Bend/Michiana
5h 34m
1 stop
STL4:18 pmLambert-St Louis
Aug 8
STL2:15 pmLambert-St Louis
5h 29m
1 stop
SBN8:44 pmSouth Bend/Michiana
$249
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 July 31, 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

Thu 8/14

6:15 am-12:31 pm

1 stop7h 16m

Lambert-St Louis

Mon 8/18

3:40 pm-9:49 pm

1 stop5h 09m

$229

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 8/14

2:15 pm-11:14 pm

2 stops9h 59m

Lambert-St Louis

Mon 8/18

1:26 pm-9:49 pm

1 stop7h 23m

$234

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 9/5

3:59 pm-6:23 pm

1 stop3h 24m

Lambert-St Louis

Sun 9/7

5:30 pm-11:23 pm

1 stop4h 53m

$259

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 9/5

2:00 pm-10:02 pm

2 stops9h 02m

Lambert-St Louis

Sun 9/7

6:40 am-1:30 pm

1 stop5h 50m

$364

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Fri 9/5

2:00 pm-10:02 pm

2 stops9h 02m

Lambert-St Louis

Sun 9/7

6:00 am-1:30 pm

2 stops6h 30m

$369

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 8/14

2:15 pm-11:14 pm

2 stops9h 59m

Lambert-St Louis

Mon 8/18

9:17 am-8:44 pm

2 stops10h 27m

$378

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Thu 8/14

9:20 am-2:37 pm

1 stop6h 17m

Lambert-St Louis

Mon 8/18

5:30 pm-9:35 pm

1 stop3h 05m

$427

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 8/13

7:30 am-12:27 pm

1 stop5h 57m

Lambert-St Louis

Sun 8/17

5:30 pm-9:35 pm

1 stop3h 05m

$473

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Tue 9/16

4:55 pm-7:27 pm

1 stop3h 32m

Lambert-St Louis

Wed 9/17

7:04 pm-3:18 pm

1 stop19h 14m

$517

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Mon 8/25

4:55 pm-2:33 pm

1 stop22h 38m

Lambert-St Louis

Wed 8/27

6:35 am-12:36 pm

1 stop5h 01m

$518

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 $238. The month of July is another great option to travel to St. Louis, with average flight prices from South Bend averaging around $248.

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

Best Price Found

$229

Fastest flight time

3h 24m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from South Bend in the past 72 hours is $229. The best round-trip flight deal from South Bend to St. Louis found on momondo in the last 72 hours is $229.
The fastest flight from South Bend to St. Louis takes 3h 24m
There are no direct flights from South Bend to St. Louis. Popular non-direct route for this connection is South Bend/Michiana Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
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 24m.

  • 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
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,900 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
Maryland Heights
Florissant
Fenton
Collinsville
O'Fallon
Alton
St. Peters
Farmington
Wentzville
Festus
Glencoe
Eureka
Edwardsville
Clayton
Shrewsbury
Grafton

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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