Flights from San Francisco to Willis

Cheapest flights from San Francisco

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.

Sat, Aug 30 - Sat, Sep 6

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$258 Roundtrip, found 16 hours ago

$258

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sat, Aug 30 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Sat, Sep 6, priced at $258 found 16 hours ago

Wed, Sep 3 - Thu, Sep 11

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$259 Roundtrip, found 16 hours ago

$259

Roundtrip

found 16 hours ago

Select JetBlue Airways flight, departing Wed, Sep 3 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Thu, Sep 11, priced at $259 found 16 hours ago

Sat, Aug 30 - Thu, Sep 11

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$260 Roundtrip, found 16 hours ago

$260

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sat, Aug 30 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Thu, Sep 11, priced at $260 found 16 hours ago

Sun, Aug 31 - Thu, Sep 11

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$262 Roundtrip, found 16 hours ago

$262

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Thu, Sep 11, priced at $262 found 16 hours ago

Wed, Jul 23 - Wed, Jul 30

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$270 Roundtrip, found 2 days ago

$270

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Wed, Jul 30, priced at $270 found 2 days ago

Wed, Sep 3 - Wed, Sep 10

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$276 Roundtrip, found 16 hours ago

$276

Roundtrip

found 16 hours ago

Select JetBlue Airways flight, departing Wed, Sep 3 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Wed, Sep 10, priced at $276 found 16 hours ago

Thu, Aug 21 - Tue, Aug 26

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$278 Roundtrip, found 1 day ago

$278

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 21 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Tue, Aug 26, priced at $278 found 1 day ago

Mon, Jul 21 - Sat, Jul 26

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$280 Roundtrip, found 2 days ago

$280

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Sat, Jul 26, priced at $280 found 2 days ago

Thu, Aug 21 - Tue, Aug 26

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 21 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Tue, Aug 26, priced at $283 found 1 day ago

Tue, Jul 15 - Thu, Jul 17

OAK

Oakland Intl.

DTW

Detroit Metropolitan Wayne County

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Tue, Jul 15 from Oakland Intl. to Detroit Metropolitan Wayne County, returning Thu, Jul 17, priced at $289 found 4 days ago

Wed, Jul 23 - Wed, Jul 30

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$289 Roundtrip, found 2 days ago

$289

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jul 23 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Wed, Jul 30, priced at $289 found 2 days ago

Mon, Jul 21 - Sun, Jul 27

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$290 Roundtrip, found 2 days ago

$290

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Sun, Jul 27, priced at $290 found 2 days ago

Mon, Sep 1 - Mon, Sep 8

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$293 Roundtrip, found 16 hours ago

$293

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Mon, Sep 1 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 8, priced at $293 found 16 hours ago

Mon, Sep 1 - Mon, Sep 8

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$295 Roundtrip, found 16 hours ago

$295

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Mon, Sep 1 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 8, priced at $295 found 16 hours ago

Sat, Jul 12 - Thu, Jul 17

OAK

Oakland Intl.

DTW

Detroit Metropolitan Wayne County

$296 Roundtrip, found 4 days ago

$296

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Jul 12 from Oakland Intl. to Detroit Metropolitan Wayne County, returning Thu, Jul 17, priced at $296 found 4 days ago

Thu, Aug 21 - Tue, Aug 26

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$299 Roundtrip, found 1 day ago

$299

Roundtrip

found 1 day ago

Select United flight, departing Thu, Aug 21 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Tue, Aug 26, priced at $299 found 1 day ago

Sat, Jul 12 - Mon, Jul 21

OAK

Oakland Intl.

DTW

Detroit Metropolitan Wayne County

$300 Roundtrip, found 4 days ago

$300

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Jul 12 from Oakland Intl. to Detroit Metropolitan Wayne County, returning Mon, Jul 21, priced at $300 found 4 days ago

Mon, Sep 1 - Mon, Sep 8

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$301 Roundtrip, found 16 hours ago

$301

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Mon, Sep 1 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Mon, Sep 8, priced at $301 found 16 hours ago

Fri, Jul 11 - Fri, Jul 18

OAK

Oakland Intl.

DTW

Detroit Metropolitan Wayne County

$309 Roundtrip, found 4 days ago

$309

Roundtrip

found 4 days ago

Select Delta flight, departing Fri, Jul 11 from Oakland Intl. to Detroit Metropolitan Wayne County, returning Fri, Jul 18, priced at $309 found 4 days ago

Thu, Aug 21 - Tue, Aug 26

SFO

San Francisco Intl.

DTW

Detroit Metropolitan Wayne County

$398 Roundtrip, found 1 day ago

$398

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Thu, Aug 21 from San Francisco Intl. to Detroit Metropolitan Wayne County, returning Tue, Aug 26, priced at $398 found 1 day ago