Cheap Flights To Allen 2026

Allen Flights as Low as $100

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 10 - Mon, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$100
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Dec 10 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Mon, Dec 14, priced at $100 found 3 days ago
Frontier Airlines
Wed, Oct 14 - Sat, Oct 31
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$130
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Sat, Oct 31, priced at $130 found 4 hours ago
Frontier Airlines
Mon, Oct 19 - Thu, Nov 5
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$136
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Thu, Nov 5, priced at $136 found 12 hours ago
Frontier Airlines
Thu, Oct 22 - Fri, Oct 23
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$150
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Fri, Oct 23, priced at $150 found 1 day ago
Frontier Airlines
Mon, Oct 12 - Sun, Oct 25
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$151
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Mon, Oct 12 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Sun, Oct 25, priced at $151 found 12 hours ago
Frontier Airlines
Tue, Oct 6 - Tue, Oct 20
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$161
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Tue, Oct 6 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Tue, Oct 20, priced at $161 found 12 hours ago
Southwest Airlines
Thu, Oct 22 - Fri, Oct 23
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$166
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Oct 22 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Fri, Oct 23, priced at $166 found 1 day ago
Delta
Wed, Oct 14 - Sat, Oct 31
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$189
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Sat, Oct 31, priced at $189 found 4 hours ago
Delta
Thu, Oct 29 - Fri, Nov 13
DJT
President Donald J. Trump Intl. Airport
DTW
Detroit Metropolitan Wayne County
$249
Roundtrip
found 22 hours ago
Select Delta flight, departing Thu, Oct 29 from President Donald J. Trump Intl. Airport to Detroit Metropolitan Wayne County, returning Fri, Nov 13, priced at $249 found 22 hours ago
Frontier Airlines
Delta
Wed, Oct 28 - Sat, Nov 14
DJT
President Donald J. Trump Intl. Airport
FWA
Fort Wayne Intl.
$321
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 28 from President Donald J. Trump Intl. Airport to Fort Wayne Intl., returning Sat, Nov 14, priced at $321 found 2 days ago
American Airlines
Thu, Oct 22 - Sun, Oct 25
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$339
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 22 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Sun, Oct 25, priced at $339 found 1 day ago
United
Thu, Oct 1 - Thu, Oct 8
DJT
President Donald J. Trump Intl. Airport
DTW
Detroit Metropolitan Wayne County
$369
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Oct 1 from President Donald J. Trump Intl. Airport to Detroit Metropolitan Wayne County, returning Thu, Oct 8, priced at $369 found 22 hours ago
Delta
Thu, Oct 1 - Sat, Oct 17
DJT
President Donald J. Trump Intl. Airport
GRR
Gerald R. Ford Intl.
$374
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 1 from President Donald J. Trump Intl. Airport to Gerald R. Ford Intl., returning Sat, Oct 17, priced at $374 found 2 days ago
Delta
Sat, Oct 10 - Wed, Oct 14
ATL
Hartsfield-Jackson Atlanta Intl.
LAN
Capital Region Intl.
$407
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Oct 10 from Hartsfield-Jackson Atlanta Intl. to Capital Region Intl., returning Wed, Oct 14, priced at $407 found 6 days ago
JetBlue Airways
Wed, Oct 14 - Sat, Oct 31
ATL
Hartsfield-Jackson Atlanta Intl.
DTW
Detroit Metropolitan Wayne County
$561
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to Detroit Metropolitan Wayne County, returning Sat, Oct 31, priced at $561 found 4 hours ago

Cheap Allen Flights

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