Flights from Seattle to The Plains

Cheapest flights from Seattle

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, Jul 31 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$287 Roundtrip, found 3 days ago

$287

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Thu, Jul 31 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $287 found 3 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$287 Roundtrip, found 4 days ago

$287

Roundtrip

found 4 days ago

Select United flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $287 found 4 days ago

Mon, Aug 4 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$287 Roundtrip, found 3 days ago

$287

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Aug 4 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $287 found 3 days ago

Fri, Aug 1 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Fri, Aug 1 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $297 found 3 days ago

Thu, Jul 31 - Fri, Aug 8

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Thu, Jul 31 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Fri, Aug 8, priced at $297 found 3 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$307 Roundtrip, found 4 days ago

$307

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $307 found 4 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$307 Roundtrip, found 4 days ago

$307

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $307 found 4 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$308 Roundtrip, found 4 days ago

$308

Roundtrip

found 4 days ago

Select United flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $308 found 4 days ago

Fri, Aug 1 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$316 Roundtrip, found 3 days ago

$316

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Fri, Aug 1 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sat, Aug 9, priced at $316 found 3 days ago

Sun, Aug 3 - Sun, Aug 10

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$327 Roundtrip, found 3 days ago

$327

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sun, Aug 10, priced at $327 found 3 days ago

Thu, Jul 31 - Sun, Aug 10

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$327 Roundtrip, found 3 days ago

$327

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Jul 31 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sun, Aug 10, priced at $327 found 3 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$334 Roundtrip, found 4 days ago

$334

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $334 found 4 days ago

Mon, Jul 21 - Mon, Jul 28

PAE

Seattle Paine Field Intl. Airport

IAD

Washington Dulles Intl.

$334 Roundtrip, found 4 days ago

$334

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Seattle Paine Field Intl. Airport to Washington Dulles Intl., returning Mon, Jul 28, priced at $334 found 4 days ago

Tue, Aug 5 - Sun, Aug 10

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$337 Roundtrip, found 3 days ago

$337

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sun, Aug 10, priced at $337 found 3 days ago

Fri, Jul 11 - Mon, Jul 28

PAE

Seattle Paine Field Intl. Airport

IAD

Washington Dulles Intl.

$339 Roundtrip, found 4 days ago

$339

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 11 from Seattle Paine Field Intl. Airport to Washington Dulles Intl., returning Mon, Jul 28, priced at $339 found 4 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$343 Roundtrip, found 4 days ago

$343

Roundtrip

found 4 days ago

Select United flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $343 found 4 days ago

Fri, Jul 25 - Fri, Aug 1

PAE

Seattle Paine Field Intl. Airport

IAD

Washington Dulles Intl.

$344 Roundtrip, found 4 days ago

$344

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle Paine Field Intl. Airport to Washington Dulles Intl., returning Fri, Aug 1, priced at $344 found 4 days ago

Mon, Aug 4 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$347 Roundtrip, found 3 days ago

$347

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Mon, Aug 4 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sat, Aug 9, priced at $347 found 3 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$348 Roundtrip, found 4 days ago

$348

Roundtrip

found 4 days ago

Select United flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $348 found 4 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$356 Roundtrip, found 4 days ago

$356

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $356 found 4 days ago