Flights from Portland to Kingston

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.

Fri, Jul 11 - Fri, Jul 18

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$302 Roundtrip, found 22 hours ago

$302

Roundtrip

found 22 hours ago

Select Delta flight, departing Fri, Jul 11 from Portland Intl. to Seattle - Tacoma Intl., returning Fri, Jul 18, priced at $302 found 22 hours ago

Sat, Jul 12 - Sat, Jul 12

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$327 Roundtrip, found 22 hours ago

$327

Roundtrip

found 22 hours ago

Select Delta flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $327 found 22 hours ago

Sun, Jul 13 - Fri, Jul 18

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$342 Roundtrip, found 22 hours ago

$342

Roundtrip

found 22 hours ago

Select Hawaiian Airlines flight, departing Sun, Jul 13 from Portland Intl. to Seattle - Tacoma Intl., returning Fri, Jul 18, priced at $342 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$347 Roundtrip, found 22 hours ago

$347

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $347 found 22 hours ago

Tue, Jul 15 - Tue, Jul 15

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$351 Roundtrip, found 22 hours ago

$351

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Tue, Jul 15 from Portland Intl. to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $351 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$367 Roundtrip, found 22 hours ago

$367

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $367 found 22 hours ago

Sun, Jul 13 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$381 Roundtrip, found 22 hours ago

$381

Roundtrip

found 22 hours ago

Select Hawaiian Airlines flight, departing Sun, Jul 13 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $381 found 22 hours ago

Sun, Jul 13 - Mon, Jul 14

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$387 Roundtrip, found 22 hours ago

$387

Roundtrip

found 22 hours ago

Select Hawaiian Airlines flight, departing Sun, Jul 13 from Portland Intl. to Seattle - Tacoma Intl., returning Mon, Jul 14, priced at $387 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$407 Roundtrip, found 22 hours ago

$407

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $407 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$417 Roundtrip, found 22 hours ago

$417

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $417 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$424 Roundtrip, found 22 hours ago

$424

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $424 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$427 Roundtrip, found 22 hours ago

$427

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $427 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$431 Roundtrip, found 22 hours ago

$431

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $431 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$447 Roundtrip, found 22 hours ago

$447

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $447 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$452 Roundtrip, found 22 hours ago

$452

Roundtrip

found 22 hours ago

Select Delta flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $452 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$467 Roundtrip, found 22 hours ago

$467

Roundtrip

found 22 hours ago

Select Delta flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $467 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$472 Roundtrip, found 22 hours ago

$472

Roundtrip

found 22 hours ago

Select Delta flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $472 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$482 Roundtrip, found 22 hours ago

$482

Roundtrip

found 22 hours ago

Select Alaska Airlines flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $482 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$492 Roundtrip, found 22 hours ago

$492

Roundtrip

found 22 hours ago

Select Delta flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $492 found 22 hours ago

Sat, Jul 12 - Sun, Jul 13

PDX

Portland Intl.

SEA

Seattle - Tacoma Intl.

$933 Roundtrip, found 22 hours ago

$933

Roundtrip

found 22 hours ago

Select United flight, departing Sat, Jul 12 from Portland Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $933 found 22 hours ago