Delta Flight DL4166 Deals & Information (2025/2026)

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Delta Flight 4166 Route Deals From $187

The cheapest prices found with in the last 7 days for return flights were $299 and $187 for one-way flights to Appleton Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 29 - Wed, Oct 8
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Sep 29 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Oct 8, priced at $299 found 1 day ago
Sun, Nov 23 - Thu, Nov 27
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Nov 23 from Detroit Metropolitan Wayne County to Appleton Intl., returning Thu, Nov 27, priced at $309 found 4 days ago
Wed, Sep 3 - Wed, Sep 10
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$314 Roundtrip, found 4 days ago
$314
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Sep 3 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Sep 10, priced at $314 found 4 days ago
Fri, Oct 3 - Wed, Oct 8
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 3 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Oct 8, priced at $319 found 1 day ago
Wed, Nov 26 - Sun, Nov 30
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$359 Roundtrip, found 15 hours ago
$359
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Nov 26 from Detroit Metropolitan Wayne County to Appleton Intl., returning Sun, Nov 30, priced at $359 found 15 hours ago
Sun, Oct 5 - Wed, Oct 8
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$399 Roundtrip, found 1 day ago
$399
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Oct 5 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Oct 8, priced at $399 found 1 day ago
Fri, Aug 1 - Wed, Aug 6
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 1 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Aug 6, priced at $404 found 1 day ago
Thu, Oct 2 - Sat, Oct 4
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$409 Roundtrip, found 1 day ago
$409
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Oct 2 from Detroit Metropolitan Wayne County to Appleton Intl., returning Sat, Oct 4, priced at $409 found 1 day ago
Tue, Jul 29 - Wed, Aug 6
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$416 Roundtrip, found 4 days ago
$416
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jul 29 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Aug 6, priced at $416 found 4 days ago
Wed, Jul 30 - Wed, Aug 6
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$418 Roundtrip, found 4 days ago
$418
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jul 30 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Aug 6, priced at $418 found 4 days ago
Wed, Nov 26 - Sun, Nov 30
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$419 Roundtrip, found 15 hours ago
$419
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Nov 26 from Detroit Metropolitan Wayne County to Appleton Intl., returning Sun, Nov 30, priced at $419 found 15 hours ago
Mon, Jul 28 - Wed, Aug 6
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$435 Roundtrip, found 1 day ago
$435
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jul 28 from Detroit Metropolitan Wayne County to Appleton Intl., returning Wed, Aug 6, priced at $435 found 1 day ago
Wed, Nov 26 - Sun, Nov 30
DTW
Detroit Metropolitan Wayne County
ATW
Appleton Intl.
$439 Roundtrip, found 15 hours ago
$439
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Nov 26 from Detroit Metropolitan Wayne County to Appleton Intl., returning Sun, Nov 30, priced at $439 found 15 hours ago