Flights from Baltimore to San Juan Island

Cheapest flights from Baltimore

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.

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$237 Roundtrip, found 13 hours ago

$237

Roundtrip

found 13 hours ago

Select Alaska Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $237 found 13 hours ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$247 Roundtrip, found 13 hours ago

$247

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $247 found 13 hours ago

Mon, Sep 15 - Mon, Sep 22

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Mon, Sep 15 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Mon, Sep 22, priced at $247 found 1 day ago

Sat, Sep 20 - Sat, Sep 20

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$251 Roundtrip, found 1 day ago

$251

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Sep 20 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Sat, Sep 20, priced at $251 found 1 day ago

Mon, Sep 15 - Fri, Sep 26

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Mon, Sep 15 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 26, priced at $257 found 1 day ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 13 hours ago

$277

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $277 found 13 hours ago

Tue, Sep 9 - Fri, Sep 12

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 6 days ago

$277

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Tue, Sep 9 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 12, priced at $277 found 6 days ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$286 Roundtrip, found 13 hours ago

$286

Roundtrip

found 13 hours ago

Select United flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $286 found 13 hours ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$287 Roundtrip, found 13 hours ago

$287

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $287 found 13 hours ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$296 Roundtrip, found 13 hours ago

$296

Roundtrip

found 13 hours ago

Select United flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $296 found 13 hours ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$297 Roundtrip, found 13 hours ago

$297

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $297 found 13 hours ago

Thu, Sep 18 - Sat, Sep 27

DCA

Ronald Reagan Washington National

SEA

Seattle - Tacoma Intl.

$297 Roundtrip, found 6 days ago

$297

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Thu, Sep 18 from Ronald Reagan Washington National to Seattle - Tacoma Intl., returning Sat, Sep 27, priced at $297 found 6 days ago

Sat, Jul 26 - Wed, Jul 30

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$302 Roundtrip, found 21 hours ago

$302

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sat, Jul 26 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Wed, Jul 30, priced at $302 found 21 hours ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$307 Roundtrip, found 13 hours ago

$307

Roundtrip

found 13 hours ago

Select Alaska Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $307 found 13 hours ago

Thu, Sep 18 - Fri, Sep 19

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$310 Roundtrip, found 13 hours ago

$310

Roundtrip

found 13 hours ago

Select Sun Country Airlines flight, departing Thu, Sep 18 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $310 found 13 hours ago

Tue, Jul 29 - Wed, Jul 30

DCA

Ronald Reagan Washington National

SEA

Seattle - Tacoma Intl.

$318 Roundtrip, found 21 hours ago

$318

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Tue, Jul 29 from Ronald Reagan Washington National to Seattle - Tacoma Intl., returning Wed, Jul 30, priced at $318 found 21 hours ago

Thu, Sep 18 - Sat, Sep 27

DCA

Ronald Reagan Washington National

PAE

Seattle Paine Field Intl. Airport

$512 Roundtrip, found 6 days ago

$512

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Thu, Sep 18 from Ronald Reagan Washington National to Seattle Paine Field Intl. Airport, returning Sat, Sep 27, priced at $512 found 6 days ago

Tue, Aug 19 - Tue, Aug 26

DCA

Ronald Reagan Washington National

BLI

Bellingham Intl.

$520 Roundtrip, found 3 days ago

$520

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Tue, Aug 19 from Ronald Reagan Washington National to Bellingham Intl., returning Tue, Aug 26, priced at $520 found 3 days ago

Thu, Aug 7 - Sun, Aug 10

BWI

Baltimore Washington Intl. Thurgood Marshall

SEA

Seattle - Tacoma Intl.

$543 Roundtrip, found 6 days ago

$543

Roundtrip

found 6 days 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 $543 found 6 days ago

Sat, Jul 26 - Wed, Jul 30

DCA

Ronald Reagan Washington National

SEA

Seattle - Tacoma Intl.

$893 Roundtrip, found 21 hours ago

$893

Roundtrip

found 21 hours ago

Select JetBlue Airways flight, departing Sat, Jul 26 from Ronald Reagan Washington National to Seattle - Tacoma Intl., returning Wed, Jul 30, priced at $893 found 21 hours ago