$110 Cheap Frontier Airlines flights Seattle (SEA) to Washington (IAD)

$110 Cheap Frontier Airlines flights Seattle (SEA) to Washington (IAD)

Prices were available within the past 7 days and start at $110 for one-way flights and $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 9 - Wed, Jun 17

SEA

Seattle

IAD

Washington

$260 Roundtrip, found 4 days ago

$260

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jun 9 from Seattle to Washington, returning Wed, Jun 17, priced at $260 found 4 days ago

Mon, Jun 8 - Wed, Jun 17

SEA

Seattle

IAD

Washington

$265 Roundtrip, found 4 days ago

$265

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 8 from Seattle to Washington, returning Wed, Jun 17, priced at $265 found 4 days ago

Wed, Jun 10 - Wed, Jun 17

SEA

Seattle

IAD

Washington

$280 Roundtrip, found 4 days ago

$280

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Seattle to Washington, returning Wed, Jun 17, priced at $280 found 4 days ago

Tue, Jul 28 - Tue, Aug 11

SEA

Seattle

IAD

Washington

$298 Roundtrip, found 1 day ago

$298

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 28 from Seattle to Washington, returning Tue, Aug 11, priced at $298 found 1 day ago

Mon, Jun 8 - Sat, Jun 13

SEA

Seattle

IAD

Washington

$303 Roundtrip, found 16 hours ago

$303

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Mon, Jun 8 from Seattle to Washington, returning Sat, Jun 13, priced at $303 found 16 hours ago

Tue, Jun 9 - Thu, Jun 18

SEA

Seattle

IAD

Washington

$325 Roundtrip, found 4 days ago

$325

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jun 9 from Seattle to Washington, returning Thu, Jun 18, priced at $325 found 4 days ago

Mon, Jun 8 - Thu, Jun 18

SEA

Seattle

IAD

Washington

$330 Roundtrip, found 4 days ago

$330

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 8 from Seattle to Washington, returning Thu, Jun 18, priced at $330 found 4 days ago