Cheap Flight Tickets from Seattle (SEA) to Washington (DCA), Starting at $324

Good to Know: Cheapest and Fastest SEA - DCA Flights

Useful information for finding best airline tickets from Seattle Tacoma International to Ronald Reagan Washington National on your next trip.

Cheapest Round Trip Flight

$324

WN Southwest Airlines • 1 stop • 15h 20m

Sep 01 – Sep 04

The cheapest round trip flight from Seattle to Washington (SEA-DCA-SEA) is currently $324

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Cheapest Direct Flight

$495

DL Delta Airlines • nonstop • 8h 21m

Sep 01

The cheapest nonstop flight from Seattle to Washington (SEA-DCA) is currently $495

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Fastest Flight

8h 21m

The fastest nonstop flight from Seattle to Washington (SEA-DCA) takes 8h 21m

Top Airlines Flying from Seattle to Washington

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Seattle (SEA) to Washington (DCA)

Compare and book low fare round-trip air tickets from Seattle to Washington. Ideal for travelers with confirmed return itineraries.

Sep 01 - Sep 04, Economy
WN
Seattle → Washington
15h 20m
11:05 PM - 11:25 AM • 1 stop
WN
Seattle → Washington
20h 10m
9:10 AM - 6:20 PM • 1 stop
$324
Southwest Airlines
Sep 01 - Sep 04, Economy
WN
Seattle → Washington
22h 20m
11:05 PM - 3:45 PM • 1 stop
WN
Seattle → Washington
14h 10m
7:25 AM - 1:15 PM • 1 stop
$324
Southwest Airlines
Sep 01 - Sep 04, Economy
DL
Seattle → Washington
14h 12m
11:56 AM - 11:48 PM • 1 stop
DL
Seattle → Washington
10h 6m
4:35 PM - 7:41 PM • nonstop
$575
Delta Airlines
Sep 01 - Sep 04, Economy
DL
Seattle → Washington
15h 18m
11:10 PM - 11:28 AM • 1 stop
DL
Seattle → Washington
10h 6m
4:35 PM - 7:41 PM • nonstop
$575
Delta Airlines
Sep 01 - Sep 04, Economy
DL
Seattle → Washington
12h 39m
5:45 AM - 4:44 PM • 1 stop
DL
Seattle → Washington
10h 6m
4:35 PM - 7:41 PM • nonstop
$575
Delta Airlines
Sep 01 - Sep 04, Economy
DL
Seattle → Washington
13h 48m
6:00 AM - 5:28 PM • 1 stop
DL
Seattle → Washington
10h 6m
4:35 PM - 7:41 PM • nonstop
$575
Delta Airlines

Fly from Seattle to Washington with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Washington? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Seattle to Washington Flights

What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to DCA?
The most popular airline flying from Seattle to Washington are
Can I fly from SEA to DCA non-stop?
Yes, you can fly SEA to DCA non-stop on
Which airlines fly nonstop between Seattle and Washington?
The non-stop flights between Seattle and Washington are .
What’s the earliest departure time from SEA to DCA Airport?
The earliest flight leaves SEA at 5:45 am and lands in DCA - Ronald Reagan Washington National
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Seattle to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to DCA?
Read the fare rules of the Seattle to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and Washington?
operate flights between Seattle and Washington
How long does a flight from Seattle to Washington take?
It takes approximately 5 hour to fly non-stop from SEA to DCA, which is 2328.47 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to Washington (DCA) ?
In the past couple of days, the cheapest tickets to DCA from SEA were found on DL : USD 575
Do I need a passport to fly between SEA and DCA?
No
What’s the latest departure time from SEA to DCA ?
The last flight leaves SEA at 11:10 pm

Essential Information for Booking Flights from Seattle (SEA) - AI Insights

What's the cheapest airline from sea to dca?
For a round-trip First class ticket from Seattle Tacoma International (SEA) to Ronald Reagan Washington National (DCA), you can expect to pay around $5,000-$6,000. However, booking in advance and considering airlines like Southwest Airlines (WN) may help secure better rates.
What's the popular airline to fly from sea to dca?
You can fly from Seattle Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA) on United Airlines. This is a round-trip journey with two stops, operated by United Airlines. Please book your flight at least 10 days in advance to get the best low fares for your luxury cabin experience.
What's the cheapest day of the week to fly from sea to dca?
The cheapest day to fly from Seattle (SEA) to Washington D.C. (DCA) is typically on Saturdays. Booking flights in advance can help secure better rates, especially when considering luxury options like First class.
What's the cheapest month to fly from sea to dca?
October is generally considered one of the cheapest months to fly from Seattle Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA), with average airfares for round-trip First class tickets often available at a budget-friendly rate, making it an ideal time to book your luxury flight.
Which airline/airlines fly from sea to dca?
Frontier Airlines (F9) offers flights from Seattle Tacoma International Airport to Ronald Reagan Washington National Airport. American Airlines (AA), Volaris Airline (Y4), Sun Country Airlines (SY), United Airlines (UA), Alaska Airlines (AS), JetBlue Airways (B6), and Southwest Airlines (WN) also operate on this route. You can book your First Class ticket with these airlines for a round trip journey, considering the advance booking days of 10 days in advance.
What is the cheapest airfare from Seattle to Washington D.C.?
The cheapest airfare from Seattle to Washington D.C. can be found on Southwest Airlines (WN) with prices starting at $200, making it an affordable option for travelers.
Is it possible to get a first-class ticket with suites and fine dining for my round-trip journey?
Yes, you can book a First Class ticket with suites and fine dining on United Airlines (UA) for your Round Trip journey, offering luxurious amenities and services.
What are the advance booking days for airfare discounts?
Advance booking days for airfare discounts vary depending on the airline, but generally, it is recommended to book at least 10 days in advance to get the best deals.
Can I find affordable flights from Milwaukee to my destination?
Yes, you can find affordable flights from Milwaukee to your destination on Frontier Airlines (F9), American Airlines (AA), and other airlines listed under serving_airlines.
How can I book flights on your website in July?
To book flights on our website in July, simply visit fareleaders.com, select your travel dates, destination, and preferred airline, and follow the booking process to secure your flight.
Do you offer busco-style travel options for travelers looking for awesome deals?
Yes, we offer busco-style travel options on our website, allowing travelers to find affordable flights with amazing deals.

Seattle (SEA) to Washington (DCA): Airport Information

Origin Airport Seattle Tacoma International , Seattle, US
Destination Airport Ronald Reagan Washington National , Washington, US
Distance 2328 miles

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