Flights from Seattle to Rockville

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, Oct 1 - Tue, Oct 7

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$277 Roundtrip, found 3 days ago

$277

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Wed, Oct 1 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Tue, Oct 7, priced at $277 found 3 days ago

Fri, Jun 20 - Sat, Jun 28

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$279 Roundtrip, found 2 days ago

$279

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Sat, Jun 28, priced at $279 found 2 days ago

Fri, Jul 4 - Mon, Jul 14

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$284 Roundtrip, found 1 hour ago

$284

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Mon, Jul 14, priced at $284 found 1 hour ago

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 Alaska 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

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

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

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$297 Roundtrip, found 1 day ago

$297

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $297 found 1 day ago

Thu, Oct 2 - Tue, Oct 7

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$297 Roundtrip, found 3 days ago

$297

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Thu, Oct 2 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Tue, Oct 7, priced at $297 found 3 days ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$306 Roundtrip, found 1 day ago

$306

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $306 found 1 day ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$307 Roundtrip, found 1 day ago

$307

Roundtrip

found 1 day 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 1 day ago

Fri, Jun 20 - Sat, Jun 28

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$315 Roundtrip, found 2 days ago

$315

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Sat, Jun 28, priced at $315 found 2 days ago

Fri, Jul 4 - Mon, Jul 14

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$319 Roundtrip, found 1 hour ago

$319

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Mon, Jul 14, priced at $319 found 1 hour ago

Fri, Jul 4 - Mon, Jul 14

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$327 Roundtrip, found 1 hour ago

$327

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Mon, Jul 14, priced at $327 found 1 hour ago

Wed, Jul 30 - Tue, Aug 12

SEA

Seattle - Tacoma Intl.

IAD

Washington Dulles Intl.

$327 Roundtrip, found 1 day ago

$327

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Washington Dulles Intl., returning Tue, Aug 12, priced at $327 found 1 day ago

Thu, Jun 19 - Sat, Jun 21

SEA

Seattle - Tacoma Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$359 Roundtrip, found 3 days ago

$359

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Seattle - Tacoma Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Jun 21, priced at $359 found 3 days ago

Fri, Jun 20 - Thu, Jun 26

SEA

Seattle - Tacoma Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$462 Roundtrip, found 3 days ago

$462

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Jun 20 from Seattle - Tacoma Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jun 26, priced at $462 found 3 days ago

Fri, Jul 4 - Mon, Jul 14

SEA

Seattle - Tacoma Intl.

DCA

Ronald Reagan Washington National

$627 Roundtrip, found 1 hour ago

$627

Roundtrip

found 1 hour ago

Select JetBlue Airways flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Ronald Reagan Washington National, returning Mon, Jul 14, priced at $627 found 1 hour ago

Sat, Oct 4 - Fri, Oct 10

PAE

Seattle Paine Field Intl. Airport

DCA

Ronald Reagan Washington National

$633 Roundtrip, found 3 days ago

$633

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Sat, Oct 4 from Seattle Paine Field Intl. Airport to Ronald Reagan Washington National, returning Fri, Oct 10, priced at $633 found 3 days ago

Sun, Aug 3 - Mon, Aug 11

PAE

Seattle Paine Field Intl. Airport

IAD

Washington Dulles Intl.

$657 Roundtrip, found 3 days ago

$657

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Sun, Aug 3 from Seattle Paine Field Intl. Airport to Washington Dulles Intl., returning Mon, Aug 11, priced at $657 found 3 days ago

Fri, Jun 20 - Mon, Jun 23

SEA

Seattle - Tacoma Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$833 Roundtrip, found 3 days ago

$833

Roundtrip

found 3 days ago

Select Sun Country Airlines flight, departing Fri, Jun 20 from Seattle - Tacoma Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Jun 23, priced at $833 found 3 days ago