$154 Cheap Delta flights Seattle (SEA) to Washington (DCA)

View $154 flight on Wed, May 20, 2026Opens in a new window

$154 Cheap Delta flights Seattle (SEA) to Washington (DCA)

Prices were available within the past 7 days and start at $154 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, May 20 - Wed, May 27
SEA
Seattle
DCA
Washington
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $279 found 1 day ago
Delta
Wed, May 20 - Wed, May 27
SEA
Seattle
DCA
Washington
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 20 from Seattle to Washington, returning Wed, May 27, priced at $289 found 1 day ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $190
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $190

Find the cheapest month to fly from Seattle (SEA) to Washington (DCA)

April is typically the cheapest month to fly

From $160 - $442 per traveler.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
3715 km
Average flight time
8 hours 4 mins

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