Flights from Baltimore to Casco Bay Islands

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.

Tue, Aug 5 - Tue, Aug 12

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$185 Roundtrip, found 2 days ago

$185

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 5 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Tue, Aug 12, priced at $185 found 2 days ago

Sat, Aug 9 - Tue, Aug 12

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$198 Roundtrip, found 2 days ago

$198

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 9 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Tue, Aug 12, priced at $198 found 2 days ago

Tue, Aug 5 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$211 Roundtrip, found 2 days ago

$211

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 5 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Thu, Aug 7, priced at $211 found 2 days ago

Fri, Aug 8 - Tue, Aug 12

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$225 Roundtrip, found 2 days ago

$225

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Aug 8 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Tue, Aug 12, priced at $225 found 2 days ago

Mon, Aug 4 - Tue, Aug 12

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$252 Roundtrip, found 2 days ago

$252

Roundtrip

found 2 days ago

Select Delta flight, departing Mon, Aug 4 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Tue, Aug 12, priced at $252 found 2 days ago

Sun, Aug 3 - Tue, Aug 12

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$274 Roundtrip, found 2 days ago

$274

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Aug 3 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Tue, Aug 12, priced at $274 found 2 days ago

Mon, Aug 4 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$278 Roundtrip, found 2 days ago

$278

Roundtrip

found 2 days ago

Select Delta flight, departing Mon, Aug 4 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Thu, Aug 7, priced at $278 found 2 days ago

Sun, Aug 3 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$300 Roundtrip, found 2 days ago

$300

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Aug 3 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Thu, Aug 7, priced at $300 found 2 days ago

Tue, Aug 5 - Sat, Aug 9

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$372 Roundtrip, found 2 days ago

$372

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 5 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Sat, Aug 9, priced at $372 found 2 days ago

Tue, Aug 5 - Mon, Aug 11

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$373 Roundtrip, found 2 days ago

$373

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 5 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Mon, Aug 11, priced at $373 found 2 days ago

Sat, Aug 9 - Mon, Aug 11

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$386 Roundtrip, found 2 days ago

$386

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 9 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Mon, Aug 11, priced at $386 found 2 days ago

Tue, Aug 5 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$387 Roundtrip, found 2 days ago

$387

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 5 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Fri, Aug 8, priced at $387 found 2 days ago

Thu, Aug 7 - Sat, Aug 9

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$398 Roundtrip, found 2 days ago

$398

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Aug 7 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Sat, Aug 9, priced at $398 found 2 days ago

Thu, Aug 7 - Mon, Aug 11

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$399 Roundtrip, found 2 days ago

$399

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Aug 7 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Mon, Aug 11, priced at $399 found 2 days ago

Fri, Aug 8 - Sat, Aug 9

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$412 Roundtrip, found 2 days ago

$412

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Aug 8 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Sat, Aug 9, priced at $412 found 2 days ago

Thu, Aug 7 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$413 Roundtrip, found 2 days ago

$413

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Aug 7 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Fri, Aug 8, priced at $413 found 2 days ago

Mon, Aug 4 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$432 Roundtrip, found 2 days ago

$432

Roundtrip

found 2 days ago

Select American Airlines flight, departing Mon, Aug 4 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Fri, Aug 8, priced at $432 found 2 days ago

Tue, Aug 5 - Sun, Aug 10

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$452 Roundtrip, found 2 days ago

$452

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Aug 5 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Sun, Aug 10, priced at $452 found 2 days ago

Sun, Aug 3 - Sat, Aug 9

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$459 Roundtrip, found 2 days ago

$459

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Aug 3 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Sat, Aug 9, priced at $459 found 2 days ago

Thu, Aug 7 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

PWM

Portland Intl. Jetport

$476 Roundtrip, found 2 days ago

$476

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Aug 7 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl. Jetport, returning Thu, Aug 7, priced at $476 found 2 days ago