Flights from Portland to Seattle

Cheapest flights from Portland

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, Jul 1 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$395 Roundtrip, found 2 days ago

$395

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $395 found 2 days ago

Tue, Jul 1 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$409 Roundtrip, found 2 days ago

$409

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $409 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$416 Roundtrip, found 2 days ago

$416

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $416 found 2 days ago

Tue, Jul 1 - Fri, Jul 4

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$418 Roundtrip, found 2 days ago

$418

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Fri, Jul 4, priced at $418 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$420 Roundtrip, found 2 days ago

$420

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $420 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$422 Roundtrip, found 2 days ago

$422

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $422 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$424 Roundtrip, found 2 days ago

$424

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $424 found 2 days ago

Tue, Jul 1 - Mon, Jul 7

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$435 Roundtrip, found 2 days ago

$435

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Mon, Jul 7, priced at $435 found 2 days ago

Fri, Jul 4 - Fri, Jul 4

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$436 Roundtrip, found 2 days ago

$436

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Fri, Jul 4 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Fri, Jul 4, priced at $436 found 2 days ago

Tue, Jul 1 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$439 Roundtrip, found 2 days ago

$439

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $439 found 2 days ago

Tue, Jul 1 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$441 Roundtrip, found 2 days ago

$441

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $441 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$442 Roundtrip, found 2 days ago

$442

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $442 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$444 Roundtrip, found 2 days ago

$444

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $444 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$444 Roundtrip, found 2 days ago

$444

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $444 found 2 days ago

Tue, Jul 1 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$445 Roundtrip, found 2 days ago

$445

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $445 found 2 days ago

Tue, Jul 1 - Mon, Jul 7

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$450 Roundtrip, found 2 days ago

$450

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Mon, Jul 7, priced at $450 found 2 days ago

Thu, Jul 3 - Tue, Jul 8

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$453 Roundtrip, found 2 days ago

$453

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 3 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Tue, Jul 8, priced at $453 found 2 days ago

Fri, Jul 4 - Wed, Jul 9

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$454 Roundtrip, found 2 days ago

$454

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jul 4 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Wed, Jul 9, priced at $454 found 2 days ago

Tue, Jul 1 - Mon, Jul 7

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$471 Roundtrip, found 2 days ago

$471

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Mon, Jul 7, priced at $471 found 2 days ago

Tue, Jul 1 - Mon, Jul 7

PWM

Portland Intl. Jetport

SEA

Seattle - Tacoma Intl.

$920 Roundtrip, found 2 days ago

$920

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Jul 1 from Portland Intl. Jetport to Seattle - Tacoma Intl., returning Mon, Jul 7, priced at $920 found 2 days ago