Flights from Detroit to Union

Cheapest flights from Detroit

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.

Wed, Aug 20 - Sat, Sep 13

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$251 Roundtrip, found 1 day ago

$251

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Aug 20 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Sat, Sep 13, priced at $251 found 1 day ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$254 Roundtrip, found 19 hours ago

$254

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $254 found 19 hours ago

Wed, Jul 30 - Mon, Aug 11

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$261 Roundtrip, found 1 day ago

$261

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Jul 30 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Mon, Aug 11, priced at $261 found 1 day ago

Fri, Aug 15 - Wed, Aug 20

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$265 Roundtrip, found 1 day ago

$265

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 15 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Wed, Aug 20, priced at $265 found 1 day ago

Fri, Aug 15 - Wed, Aug 20

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Aug 15 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Wed, Aug 20, priced at $269 found 1 day ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$271 Roundtrip, found 19 hours ago

$271

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $271 found 19 hours ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$271 Roundtrip, found 19 hours ago

$271

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $271 found 19 hours ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$274 Roundtrip, found 19 hours ago

$274

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $274 found 19 hours ago

Fri, Aug 1 - Mon, Aug 11

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$276 Roundtrip, found 1 day ago

$276

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 1 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Mon, Aug 11, priced at $276 found 1 day ago

Wed, Aug 20 - Sat, Sep 13

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Aug 20 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Sat, Sep 13, priced at $287 found 1 day ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$291 Roundtrip, found 19 hours ago

$291

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $291 found 19 hours ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$293 Roundtrip, found 19 hours ago

$293

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $293 found 19 hours ago

Wed, Jul 30 - Thu, Aug 7

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$296 Roundtrip, found 1 day ago

$296

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Jul 30 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Thu, Aug 7, priced at $296 found 1 day ago

Tue, Aug 19 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$297 Roundtrip, found 19 hours ago

$297

Roundtrip

found 19 hours ago

Select Delta flight, departing Tue, Aug 19 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $297 found 19 hours ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$300 Roundtrip, found 19 hours ago

$300

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $300 found 19 hours ago

Tue, Aug 26 - Wed, Aug 27

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Aug 26 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Wed, Aug 27, priced at $304 found 1 day ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$313 Roundtrip, found 19 hours ago

$313

Roundtrip

found 19 hours ago

Select United flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $313 found 19 hours ago

Tue, Aug 26 - Mon, Sep 1

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$317 Roundtrip, found 1 day ago

$317

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Aug 26 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Mon, Sep 1, priced at $317 found 1 day ago

Fri, Aug 15 - Mon, Aug 25

DTW

Detroit Metropolitan Wayne County

PAE

Seattle Paine Field Intl. Airport

$326 Roundtrip, found 19 hours ago

$326

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Detroit Metropolitan Wayne County to Seattle Paine Field Intl. Airport, returning Mon, Aug 25, priced at $326 found 19 hours ago

Mon, Aug 18 - Tue, Aug 26

DTW

Detroit Metropolitan Wayne County

SEA

Seattle - Tacoma Intl.

$585 Roundtrip, found 19 hours ago

$585

Roundtrip

found 19 hours ago

Select JetBlue Airways flight, departing Mon, Aug 18 from Detroit Metropolitan Wayne County to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $585 found 19 hours ago