Flights from Allentown to Detroit

Cheapest flights from Allentown

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.

Sun, Aug 10 - Thu, Aug 14

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$93 Roundtrip, found 4 days ago

$93

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Thu, Aug 14, priced at $93 found 4 days ago

Mon, Sep 8 - Mon, Sep 15

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$98 Roundtrip, found 4 days ago

$98

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Sep 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 15, priced at $98 found 4 days ago

Thu, Aug 7 - Thu, Aug 14

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$113 Roundtrip, found 4 days ago

$113

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Thu, Aug 14, priced at $113 found 4 days ago

Sun, Jul 27 - Thu, Jul 31

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$118 Roundtrip, found 4 days ago

$118

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Thu, Jul 31, priced at $118 found 4 days ago

Thu, Aug 7 - Sun, Aug 10

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$128 Roundtrip, found 4 days ago

$128

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sun, Aug 10, priced at $128 found 4 days ago

Fri, Aug 8 - Sun, Aug 10

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$130 Roundtrip, found 4 days ago

$130

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sun, Aug 10, priced at $130 found 4 days ago

Fri, Aug 8 - Sun, Aug 10

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$134 Roundtrip, found 4 days ago

$134

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sun, Aug 10, priced at $134 found 4 days ago

Fri, Aug 8 - Sun, Aug 10

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$135 Roundtrip, found 4 days ago

$135

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sun, Aug 10, priced at $135 found 4 days ago

Mon, Aug 11 - Wed, Aug 13

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$144 Roundtrip, found 4 days ago

$144

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Aug 11 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Wed, Aug 13, priced at $144 found 4 days ago

Sat, Aug 9 - Mon, Aug 11

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$148 Roundtrip, found 4 days ago

$148

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Aug 9 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Aug 11, priced at $148 found 4 days ago

Tue, Aug 5 - Sat, Aug 9

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$151 Roundtrip, found 4 days ago

$151

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Aug 5 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sat, Aug 9, priced at $151 found 4 days ago

Fri, Aug 8 - Sun, Aug 17

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$154 Roundtrip, found 4 days ago

$154

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sun, Aug 17, priced at $154 found 4 days ago

Fri, Aug 8 - Sun, Aug 10

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$159 Roundtrip, found 4 days ago

$159

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sun, Aug 10, priced at $159 found 4 days ago

Fri, Aug 8 - Sun, Aug 10

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$161 Roundtrip, found 4 days ago

$161

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Aug 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Sun, Aug 10, priced at $161 found 4 days ago

Mon, Sep 8 - Mon, Sep 15

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$162 Roundtrip, found 4 days ago

$162

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Sep 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 15, priced at $162 found 4 days ago

Mon, Sep 8 - Mon, Sep 15

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$164 Roundtrip, found 4 days ago

$164

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Sep 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 15, priced at $164 found 4 days ago

Mon, Sep 8 - Mon, Sep 15

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$199 Roundtrip, found 4 days ago

$199

Roundtrip

found 4 days ago

Select Delta flight, departing Mon, Sep 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 15, priced at $199 found 4 days ago

Mon, Sep 8 - Mon, Sep 15

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$199 Roundtrip, found 4 days ago

$199

Roundtrip

found 4 days ago

Select American Airlines flight, departing Mon, Sep 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 15, priced at $199 found 4 days ago

Mon, Sep 8 - Mon, Sep 15

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$219 Roundtrip, found 4 days ago

$219

Roundtrip

found 4 days ago

Select United flight, departing Mon, Sep 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 15, priced at $219 found 4 days ago

Mon, Sep 8 - Mon, Sep 15

PHL

Philadelphia Intl.

DTW

Detroit Metropolitan Wayne County

$283 Roundtrip, found 4 days ago

$283

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Mon, Sep 8 from Philadelphia Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 15, priced at $283 found 4 days ago