Flights from Washington to Mukilteo

Cheapest flights from Washington

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, Oct 18 - Mon, Oct 27

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$207 Roundtrip, just found

$207

Roundtrip

just found

Select Delta flight, departing Sat, Oct 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Mon, Oct 27, priced at $207 just found

Sat, Oct 18 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$233 Roundtrip, just found

$233

Roundtrip

just found

Select Delta flight, departing Sat, Oct 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Thu, Oct 30, priced at $233 just found

Thu, Sep 18 - Fri, Sep 26

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$242 Roundtrip, found 3 hours ago

$242

Roundtrip

found 3 hours ago

Select Alaska Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 26, priced at $242 found 3 hours ago

Sat, Sep 13 - Sat, Sep 20

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$243 Roundtrip, found 6 days ago

$243

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, Sep 13 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Sat, Sep 20, priced at $243 found 6 days ago

Mon, Oct 20 - Mon, Oct 27

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$252 Roundtrip, just found

$252

Roundtrip

just found

Select Delta flight, departing Mon, Oct 20 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Mon, Oct 27, priced at $252 just found

Wed, Sep 10 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$257 Roundtrip, found 3 hours ago

$257

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Wed, Sep 10 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $257 found 3 hours ago

Tue, Aug 26 - Tue, Sep 2

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$257 Roundtrip, found 6 days ago

$257

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Tue, Aug 26 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $257 found 6 days ago

Mon, Aug 25 - Sat, Aug 30

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$267 Roundtrip, found 6 days ago

$267

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Mon, Aug 25 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $267 found 6 days ago

Wed, Sep 10 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$272 Roundtrip, found 3 hours ago

$272

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Wed, Sep 10 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $272 found 3 hours ago

Tue, Aug 26 - Tue, Sep 2

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$273 Roundtrip, found 6 days ago

$273

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 26 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $273 found 6 days ago

Tue, Aug 26 - Tue, Sep 2

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 6 days ago

$277

Roundtrip

found 6 days ago

Select United flight, departing Tue, Aug 26 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $277 found 6 days ago

Tue, Sep 2 - Tue, Sep 9

IAD

Washington Dulles Intl.

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 2 days ago

$277

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Sep 2 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Tue, Sep 9, priced at $277 found 2 days ago

Mon, Sep 8 - Wed, Sep 17

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Mon, Sep 8 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Wed, Sep 17, priced at $277 found 1 day ago

Tue, Sep 2 - Tue, Sep 9

IAD

Washington Dulles Intl.

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 2 days ago

$277

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep 2 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Tue, Sep 9, priced at $277 found 2 days ago

Wed, Aug 27 - Fri, Sep 5

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$279 Roundtrip, found 6 days ago

$279

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Aug 27 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 5, priced at $279 found 6 days ago

Thu, Sep 18 - Fri, Sep 26

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$282 Roundtrip, found 3 hours ago

$282

Roundtrip

found 3 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 26, priced at $282 found 3 hours ago

Tue, Aug 26 - Tue, Sep 2

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$282 Roundtrip, found 6 days ago

$282

Roundtrip

found 6 days ago

Select United flight, departing Tue, Aug 26 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $282 found 6 days ago

Mon, Aug 11 - Tue, Aug 26

DCA

Ronald Reagan Washington National

SEA

Seattle - Tacoma Intl.

$288 Roundtrip, found 21 hours ago

$288

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Ronald Reagan Washington National to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $288 found 21 hours ago

Fri, Aug 8 - Tue, Aug 26

DCA

Ronald Reagan Washington National

SEA

Seattle - Tacoma Intl.

$837 Roundtrip, found 21 hours ago

$837

Roundtrip

found 21 hours ago

Select JetBlue Airways flight, departing Fri, Aug 8 from Ronald Reagan Washington National to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $837 found 21 hours ago

Thu, Aug 7 - Sun, Aug 10

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$983 Roundtrip, found 1 day ago

$983

Roundtrip

found 1 day ago

Select Sun Country Airlines flight, departing Thu, Aug 7 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Sun, Aug 10, priced at $983 found 1 day ago