Cheap flights from SEA to DCA (Seattle - Tacoma Intl. to Ronald Reagan Washington National)

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Cheap Flights from SEA to DCA starting at $129 One Way, $246 Round Trip

Prices starting at $246 for return flights and $129 for one-way flights to Ronald Reagan Washington National were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 15 - Thu, Sep 17
SEA
Seattle
DCA
Washington
$246 Roundtrip, just found
$246
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 15 from Seattle to Washington, returning Thu, Sep 17, priced at $246 just found
Sat, Aug 22 - Wed, Aug 26
SEA
Seattle
DCA
Washington
$252 Roundtrip, just found
$252
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Aug 22 from Seattle to Washington, returning Wed, Aug 26, priced at $252 just found
Fri, Sep 11 - Sun, Sep 13
SEA
Seattle
DCA
Washington
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Sep 11 from Seattle to Washington, returning Sun, Sep 13, priced at $256 found 1 day ago
Wed, Aug 26 - Tue, Sep 1
SEA
Seattle
DCA
Washington
$261 Roundtrip, found 15 hours ago
$261
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Wed, Aug 26 from Seattle to Washington, returning Tue, Sep 1, priced at $261 found 15 hours ago
Fri, Sep 18 - Sat, Sep 19
SEA
Seattle
DCA
Washington
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 18 from Seattle to Washington, returning Sat, Sep 19, priced at $269 found 1 day ago

Hotel Ideas near Ronald Reagan Washington National

Airport Hotels near Ronald Reagan Washington National

Hyatt Regency Crystal City

Hyatt Regency Crystal City

4 out of 5
2799 Richmond Hwy Arlington VA
$110 nightly
The price is $126 total per night from Jul 31 to Aug 1
$126 total
Jul 31 - Aug 1
Total with taxes and fees
Book a stay at this business-friendly hotel in Arlington. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff ...
9/10 Wonderful! (1,038 reviews)
"The room was very clean. The entire hotel was super clean. The staff were very friendly. The hotel bar The food was good and the portions were good. The room was a good size, bed very comfortable."

Reviewed on Jul 14, 2026

Hyatt Regency Crystal City
Courtyard by Marriott Arlington Crystal City/Reagan National

Courtyard by Marriott Arlington Crystal City/Reagan National

3.5 out of 5
2899 Richmond Highway Arlington VA
$142 nightly
The price is $162 total per night from Jul 24 to Jul 25
$162 total
Jul 24 - Jul 25
Total with taxes and fees
Book a stay at this business-friendly hotel in Arlington. Enjoy a free airport shuttle, a fitness center, and parking (surcharge). Our guests praise the helpful ...
9.2/10 Wonderful! (1,689 reviews)
"Bed was soft and comfy lighting was good. Parking garage decent overall good spot to stay for me."

Reviewed on Jul 14, 2026

Courtyard by Marriott Arlington Crystal City/Reagan National
Sheraton Pentagon City Hotel

Sheraton Pentagon City Hotel

3.5 out of 5
900 S Orme St Arlington VA
$109 nightly
The price is $125 total per night from Jul 19 to Jul 20
$125 total
Jul 19 - Jul 20
Total with taxes and fees
Book a stay at this business-friendly hotel in Arlington. Enjoy breakfast (surcharge), a free airport shuttle, and room service. Our guests praise the breakfast ...
8.4/10 Very Good! (3,414 reviews)
"Clean rooms"

Reviewed on Jul 14, 2026

Sheraton Pentagon City Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

SEA to DCA Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
SEA Address & GPS
Address:
Seattle WA, 98158
United States
IATA Code:
SEA
Longitude:
-122.301732
Latitude:
47.443839
Time Zone:
America/Los_Angeles
DCA Address & GPS
Address:
1 Aviation Circle
Washington DC, 20001-6000
United States
IATA Code:
DCA
Longitude:
-77.043457
Latitude:
38.853434
Time Zone:
America/New_York

Frequently asked questions

Are there non-stop flights from Seattle - Tacoma Intl. Airport (SEA) to National Airport?
Alaska Airlines makes traveling from Seattle to Washington a cinch. It has direct flights from Sea-Tac Airport to DCA, so you don't have to bother with swapping aircraft.
What is the shortest flight from Sea-Tac Airport to Ronald Reagan Washington National Airport (DCA)?
Getting from Seattle - Tacoma Intl. Airport (SEA) to National Airport will take a minimum of 6 hours and 39 minutes. Savor a wine and read a few magazines — it's the perfect opportunity to kick back and unwind.
How many hours flight from Seattle - Tacoma Intl. Airport (SEA) to National Airport?
From Sea-Tac Airport to DCA, you'll be cruising the skies for an average of 6 hours and 44 minutes. Settle back, order a glass of wine and put on your noise-canceling earphones. It's time to rewatch your favorite TV shows.
What airlines have the most flights from Sea-Tac Airport to National Airport?
Alaska Airlines has your ticket to an unforgettable vacation. This renowned carrier offers 45 flights each month between Sea-Tac Airport and National Airport.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

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