Flights from Seattle to Washington

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.

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $287 found 1 day ago

Fri, Aug 1 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Aug 1 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $287 found 1 day ago

Wed, Jul 30 - Wed, Aug 6

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$297 Roundtrip, found 1 day ago

$297

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Wed, Aug 6, priced at $297 found 1 day ago

Wed, Jul 30 - Thu, Aug 7

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$307 Roundtrip, found 1 day ago

$307

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Thu, Aug 7, priced at $307 found 1 day ago

Sun, Aug 3 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$307 Roundtrip, found 1 day ago

$307

Roundtrip

found 1 day ago

Select United flight, departing Sun, Aug 3 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Mon, Aug 11, priced at $307 found 1 day ago

Tue, Aug 5 - Thu, Aug 7

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$316 Roundtrip, found 1 day ago

$316

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Aug 5 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Thu, Aug 7, priced at $316 found 1 day ago

Sun, Aug 3 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$317 Roundtrip, found 1 day ago

$317

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Aug 3 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Mon, Aug 11, priced at $317 found 1 day ago

Fri, Jul 4 - Mon, Jul 14

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$317 Roundtrip, found 1 day ago

$317

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Mon, Jul 14, priced at $317 found 1 day ago

Fri, Jul 4 - Tue, Jul 15

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$331 Roundtrip, found 1 day ago

$331

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Tue, Jul 15, priced at $331 found 1 day ago

Mon, Aug 4 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$337 Roundtrip, found 1 day ago

$337

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Aug 4 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $337 found 1 day ago

Sat, Aug 2 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$347 Roundtrip, found 1 day ago

$347

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Sat, Aug 2 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $347 found 1 day ago

Thu, Jul 3 - Tue, Jul 15

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$347 Roundtrip, found 1 day ago

$347

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Thu, Jul 3 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Tue, Jul 15, priced at $347 found 1 day ago

Sun, Aug 3 - Mon, Aug 11

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$352 Roundtrip, found 1 day ago

$352

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Mon, Aug 11, priced at $352 found 1 day ago

Thu, Jul 3 - Wed, Jul 16

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Thu, Jul 3 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Wed, Jul 16, priced at $357 found 1 day ago

Sat, Aug 2 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Aug 2 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sat, Aug 9, priced at $357 found 1 day ago

Sat, Aug 2 - Sat, Aug 9

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$361 Roundtrip, found 1 day ago

$361

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 2 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sat, Aug 9, priced at $361 found 1 day ago

Tue, Jul 1 - Mon, Jul 14

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$362 Roundtrip, found 1 day ago

$362

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Tue, Jul 1 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Mon, Jul 14, priced at $362 found 1 day ago

Fri, Jul 4 - Wed, Jul 16

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$366 Roundtrip, found 1 day ago

$366

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Wed, Jul 16, priced at $366 found 1 day ago

Sat, Aug 2 - Sun, Aug 10

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$417 Roundtrip, found 1 day ago

$417

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Aug 2 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Sun, Aug 10, priced at $417 found 1 day ago

Sat, Aug 2 - Sat, Aug 9

PAE

Seattle Paine Field Intl. Airport

IAD

Washington Dulles Intl.

$594 Roundtrip, found 1 day ago

$594

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Aug 2 from Seattle Paine Field Intl. Airport to Washington Dulles Intl., returning Sat, Aug 9, priced at $594 found 1 day ago