Delta Flight 3900 Deals & Information (2026/2027)

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Delta Flight 3900 Route Deals From $174

The cheapest prices found with in the last 7 days for return flights were $199 and $174 for one-way flights to South Bend Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 26 - Sat, Jan 31
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 26 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sat, Jan 31, priced at $199 found 4 days ago
Wed, Feb 11 - Tue, Feb 17
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$202 Roundtrip, found 4 days ago
$202
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Feb 11 from Detroit Metropolitan Wayne County to South Bend Intl., returning Tue, Feb 17, priced at $202 found 4 days ago
Sat, Feb 14 - Tue, Feb 17
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$204 Roundtrip, found 4 days ago
$204
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Feb 14 from Detroit Metropolitan Wayne County to South Bend Intl., returning Tue, Feb 17, priced at $204 found 4 days ago
Tue, Jan 20 - Sat, Jan 31
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 20 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sat, Jan 31, priced at $229 found 4 days ago
Tue, Jan 20 - Tue, Jan 27
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$232 Roundtrip, found 4 days ago
$232
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 20 from Detroit Metropolitan Wayne County to South Bend Intl., returning Tue, Jan 27, priced at $232 found 4 days ago
Sat, Jan 24 - Tue, Jan 27
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$235 Roundtrip, found 4 days ago
$235
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 24 from Detroit Metropolitan Wayne County to South Bend Intl., returning Tue, Jan 27, priced at $235 found 4 days ago
Fri, Feb 13 - Sun, Feb 15
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$256 Roundtrip, found 4 days ago
$256
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Feb 13 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sun, Feb 15, priced at $256 found 4 days ago
Sat, Jan 24 - Sun, Jan 25
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 24 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sun, Jan 25, priced at $266 found 4 days ago
Thu, Jan 22 - Sat, Jan 24
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 22 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sat, Jan 24, priced at $266 found 4 days ago
Mon, Jan 26 - Fri, Jan 30
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 26 from Detroit Metropolitan Wayne County to South Bend Intl., returning Fri, Jan 30, priced at $297 found 4 days ago
Fri, Feb 13 - Sun, Feb 15
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$317 Roundtrip, found 4 days ago
$317
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Feb 13 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sun, Feb 15, priced at $317 found 4 days ago
Fri, Feb 13 - Sun, Feb 15
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Feb 13 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sun, Feb 15, priced at $328 found 4 days ago
Fri, Jan 23 - Sun, Jan 25
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jan 23 from Detroit Metropolitan Wayne County to South Bend Intl., returning Sun, Jan 25, priced at $328 found 4 days ago
Tue, Jan 20 - Fri, Jan 23
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$331 Roundtrip, found 4 days ago
$331
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 20 from Detroit Metropolitan Wayne County to South Bend Intl., returning Fri, Jan 23, priced at $331 found 4 days ago
Wed, Jan 21 - Fri, Jan 23
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$335 Roundtrip, found 4 days ago
$335
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jan 21 from Detroit Metropolitan Wayne County to South Bend Intl., returning Fri, Jan 23, priced at $335 found 4 days ago
Sun, Jan 25 - Fri, Jan 30
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$335 Roundtrip, found 4 days ago
$335
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Jan 25 from Detroit Metropolitan Wayne County to South Bend Intl., returning Fri, Jan 30, priced at $335 found 4 days ago
Mon, Jan 26 - Tue, Jan 27
DTW
Detroit Metropolitan Wayne County
SBN
South Bend Intl.
$337 Roundtrip, found 4 days ago
$337
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 26 from Detroit Metropolitan Wayne County to South Bend Intl., returning Tue, Jan 27, priced at $337 found 4 days ago