Find cheap flights from Seattle/Tacoma Airport to Reagan Washington National Airport

SEA - DCA

Find cheap flights from Seattle/Tacoma Airport to Reagan Washington National Airport

Round-trip
Economy
Seattle (SEA)
Washington Reagan-National
Sun 7/12
Sun 7/19
Any month
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Good to know

Low season

February Best time to beat the crowds with an average 16% drop in price.

High season

July Most popular time to fly with an average 16% increase in price.

Average price of a round-trip

$370 (avg. price over the last 2 weeks)

Good deal for a round-trip

$349 or less

When to book flights from Seattle/Tacoma Intl to Washington Reagan-National

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $249 or less.
  • The cheapest flight from Seattle/Tacoma Airport to Reagan Washington National Airport was found 76 days before departure, on average.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be June, July and August. The cheapest month to fly is February.
  • Morning departure is around 51% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Seattle/Tacoma Airport to Reagan Washington National Airport flights

Are flight prices cheaper from Seattle/Tacoma Airport to Reagan Washington National Airport because of Coronavirus (COVID-19)?

How long does a flight from Seattle/Tacoma Airport to Reagan Washington National Airport take?

How many flights are there between Seattle/Tacoma Airport and Reagan Washington National Airport?

Which airlines provide the cheapest flights from Seattle/Tacoma Airport to Reagan Washington National Airport?

Do I need a passport to fly between Seattle/Tacoma Airport and Reagan Washington National Airport?

Which airlines fly most frequently between Seattle/Tacoma Airport and Reagan Washington National Airport?

What’s the cheapest day of the week to fly Seattle/Tacoma Airport to Reagan Washington National Airport?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top airlines flying Seattle/Tacoma Intl to Washington Reagan-National

Scores according to KAYAK customer reviews

8.2
JetBlue
Overall score based on 19,180 reviews
8.3
Boarding
8.3
Comfort
8.6
Crew
7.9
Entertainment
7.8
Food
Airline reviews
Read more about JetBlue

Book cheap flights from Seattle/Tacoma Airport to Reagan Washington National Airport (round-trip)

Airports
Origin
Seattle
$220
only
$220
Destination
Washington
$220
only
$220
Wed, Jul 15
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
7h 33m
Fri, Jul 24
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 10 days
Based on null reviews
Tue, Dec 1
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
6h 46m
Wed, Dec 9
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 11m
Trip: 9 days
Based on null reviews
Sat, Jul 11
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
11h 33m
Mon, Jul 13
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 3 days
Based on null reviews
Tue, Jul 14
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
6h 45m
Fri, Jul 24
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 11 days
Based on null reviews
Fri, Jul 10
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
12h 52m
Sat, Jul 18
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 15m
Trip: 9 days
Based on null reviews
Tue, Jul 28
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 06m
Thu, Aug 6
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 08m
Trip: 10 days
Based on null reviews
Thu, Jul 9
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 23m
Fri, Jul 31
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 24m
Trip: 23 days
Based on null reviews
Fri, Jul 3
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
12h 52m
Sat, Jul 11
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 15m
Trip: 9 days
Based on null reviews
Wed, Jul 8
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 35m
Mon, Jul 13
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 6 days
Based on null reviews
Tue, Jul 14
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
17h 37m
Mon, Jul 20
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 7 days
Based on null reviews
Thu, Jul 16
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 23m
Tue, Jul 21
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
10h 08m
Trip: 6 days
Based on null reviews
Thu, Jul 16
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
6h 50m
Mon, Jul 27
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 12 days
Based on null reviews
Tue, Jul 7
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 35m
Fri, Jul 10
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 4 days
Based on null reviews
Thu, Jul 23
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
10h 25m
Sun, Jul 26
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 4 days
Based on null reviews
Thu, Jul 23
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 23m
Mon, Jul 27
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
9h 45m
Trip: 5 days
Based on null reviews
Tue, Aug 4
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
6h 57m
Wed, Aug 26
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
7h 08m
Trip: 23 days
Based on null reviews
Fri, Jul 3
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
12h 52m
Sun, Jul 12
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
7h 50m
Trip: 10 days
Based on null reviews
Thu, Jul 9
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
6h 50m
Sat, Jul 11
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 15m
Trip: 3 days
Based on null reviews
Tue, Jul 7
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 35m
Wed, Jul 15
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 24m
Trip: 9 days
Based on null reviews
Mon, Jul 6
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
9h 30m
Mon, Jul 13
DCA
Reagan Washington National Airport
SEA
Seattle/Tacoma Airport
8h 57m
Trip: 8 days
Based on null reviews
Show more results

Book cheap flights from Seattle/Tacoma Airport to Reagan Washington National Airport (one-way)

Airports
Origin
Seattle
$133
only
$133
Destination
Washington
$133
only
$133
Tue, Jul 14
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 35m
Based on null reviews
Tue, Jul 14
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
17h 37m
Based on null reviews
Mon, Aug 3
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
9h 51m
Based on null reviews
Fri, Jul 3
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 35m
Based on null reviews
Tue, Jul 28
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
17h 37m
Based on null reviews
Tue, Aug 25
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
6h 43m
Based on null reviews
Tue, Jul 14
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
17h 37m
Based on null reviews
Sun, Aug 16
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
11h 54m
Based on null reviews
Thu, Jul 9
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 35m
Based on null reviews
Tue, Jul 14
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
17h 37m
Based on null reviews
Sun, Aug 23
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
7h 51m
Based on null reviews
Wed, Jul 15
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
37h 08m
Based on null reviews
Sun, Aug 2
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
9h 51m
Based on null reviews
Mon, Jul 6
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 35m
Based on null reviews
Mon, Jul 13
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
41h 37m
Based on null reviews
Mon, Jun 29
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 58m
Based on null reviews
Sun, Aug 9
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
19h 12m
Based on null reviews
Sun, Sep 6
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
9h 51m
Based on null reviews
Wed, Jul 15
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
17h 37m
Based on null reviews
Tue, Jul 7
SEA
Seattle/Tacoma Airport
DCA
Reagan Washington National Airport
8h 06m
Based on null reviews
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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