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Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport flight

Search for flights from Seattle to Washington D.C. and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        SEA 07:20
        5h 1m
        Direct
        DCA 15:21
        Seattle - Washington D.C. | Fri, Aug 14 | Delta Air Lines
        IAD 07:10
        5h 45m
        Direct
        SEA 09:55
        Washington D.C. - Seattle | Mon, Aug 17 | Delta Air Lines
        IDR 4,838,200 IDR 5,628,200
        14% off
        14% off
        IDR 5,628,200 IDR 4,838,200
      • SEA 07:20
        5h 1m
        Direct
        DCA 15:21
        Seattle - Washington D.C. | Sat, Aug 29 | Delta Air Lines
        IAD 07:10
        5h 45m
        Direct
        SEA 09:55
        Washington D.C. - Seattle | Tue, Sep 1 | Delta Air Lines
        IDR 4,896,500 IDR 5,628,200
        13% off
        13% off
        IDR 5,628,200 IDR 4,896,500
      • SEA 14:22
        19h 29m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Fri, Aug 14 | Frontier Airlines
        IAD 09:50
        28h 18m
        1 stop
        SEA 11:08
        Washington D.C. - Seattle | Mon, Aug 17 | Frontier Airlines
        IDR 4,429,900 IDR 5,628,200
        21% off
        21% off
        IDR 5,628,200 IDR 4,429,900
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Sun, Aug 9 | Frontier Airlines
        DCA 07:00
        9h 17m
        1 stop
        SEA 13:17
        Washington D.C. - Seattle | Sat, Aug 15 | Frontier Airlines
        IDR 4,546,600
        19% off
        IDR 5,628,200 IDR 4,546,600
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Wed, Aug 12 | Frontier Airlines
        DCA 07:00
        9h 17m
        1 stop
        SEA 13:17
        Washington D.C. - Seattle | Sat, Aug 15 | Frontier Airlines
        IDR 4,546,600
        19% off
        IDR 5,628,200 IDR 4,546,600
      • SEA 19:06
        23h 53m
        1 stop
        DCA 21:59
        Seattle - Washington D.C. | Sat, Jul 18 | Frontier Airlines
        DCA 07:00
        29h 17m
        1 stop
        SEA 09:17
        Washington D.C. - Seattle | Mon, Jul 20 | Frontier Airlines
        IDR 4,549,200
        19% off
        IDR 5,628,200 IDR 4,549,200
      • SEA 14:37
        19h 14m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Fri, Aug 21 | Frontier Airlines
        DCA 07:00
        9h 22m
        1 stop
        SEA 13:22
        Washington D.C. - Seattle | Wed, Aug 26 | Frontier Airlines
        IDR 4,549,200
        19% off
        IDR 5,628,200 IDR 4,549,200
      • SEA 14:22
        19h 29m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Sat, Aug 8 | Frontier Airlines
        DCA 07:00
        9h 17m
        1 stop
        SEA 13:17
        Washington D.C. - Seattle | Mon, Aug 10 | Frontier Airlines
        IDR 4,596,900
        18% off
        IDR 5,628,200 IDR 4,596,900
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Sat, Aug 15 | Frontier Airlines
        DCA 07:00
        9h 17m
        1 stop
        SEA 13:17
        Washington D.C. - Seattle | Mon, Aug 17 | Frontier Airlines
        IDR 4,604,900
        18% off
        IDR 5,628,200 IDR 4,604,900
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Thu, Aug 13 | Frontier Airlines
        DCA 07:00
        9h 17m
        1 stop
        SEA 13:17
        Washington D.C. - Seattle | Mon, Aug 17 | Frontier Airlines
        IDR 4,604,900
        18% off
        IDR 5,628,200 IDR 4,604,900
      • SEA 14:37
        19h 14m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Thu, Aug 27 | Frontier Airlines
        DCA 07:00
        8h 20m
        1 stop
        SEA 12:20
        Washington D.C. - Seattle | Tue, Sep 1 | Frontier Airlines
        IDR 4,615,500
        18% off
        IDR 5,628,200 IDR 4,615,500
      • SEA 14:37
        19h 14m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Fri, Aug 28 | Frontier Airlines
        DCA 07:00
        8h 20m
        1 stop
        SEA 12:20
        Washington D.C. - Seattle | Tue, Sep 1 | Frontier Airlines
        IDR 4,615,500
        18% off
        IDR 5,628,200 IDR 4,615,500
      • SEA 13:00
        17h 25m
        1 stop
        WAS 14:00
        Seattle - Washington D.C. | Sun, Jul 5 | Normal Airline
        WAS 15:00
        6h
        Direct
        SEA 16:00
        Washington D.C. - Seattle | Tue, Jul 7 | Normal Airline
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      • Cheapest nonstop
        SEA 07:20
        5h 1m
        Direct
        DCA 15:21
        Seattle - Washington D.C. | Fri, Jul 31 | Delta Air Lines
        IDR 2,971,900 IDR 3,589,700
        17% off
        17% off
        IDR 3,589,700 IDR 2,971,900
      • SEA 07:20
        5h 1m
        Direct
        DCA 15:21
        Seattle - Washington D.C. | Thu, Jul 30 | Delta Air Lines
        IDR 3,123,000 IDR 3,589,700
        13% off
        13% off
        IDR 3,589,700 IDR 3,123,000
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Wed, Jul 22 | Frontier Airlines
        IDR 2,277,300 IDR 3,589,700
        37% off
        37% off
        IDR 3,589,700 IDR 2,277,300
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Tue, Aug 4 | Frontier Airlines
        IDR 2,309,100
        36% off
        IDR 3,589,700 IDR 2,309,100
      • SEA 19:06
        23h 53m
        1 stop
        DCA 21:59
        Seattle - Washington D.C. | Thu, Jul 16 | Frontier Airlines
        IDR 2,314,400
        36% off
        IDR 3,589,700 IDR 2,314,400
      • SEA 19:06
        18h 53m
        1 stop
        DCA 16:59
        Seattle - Washington D.C. | Wed, Aug 12 | Frontier Airlines
        IDR 2,319,700
        35% off
        IDR 3,589,700 IDR 2,319,700
      • SEA 14:22
        19h 29m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Sat, Aug 15 | Frontier Airlines
        IDR 2,319,700
        35% off
        IDR 3,589,700 IDR 2,319,700
      • SEA 19:06
        23h 53m
        1 stop
        DCA 21:59
        Seattle - Washington D.C. | Wed, Jul 15 | Frontier Airlines
        IDR 2,354,200
        34% off
        IDR 3,589,700 IDR 2,354,200
      • SEA 14:37
        23h 22m
        1 stop
        DCA 16:59
        Seattle - Washington D.C. | Thu, Aug 20 | Frontier Airlines
        IDR 2,356,800
        34% off
        IDR 3,589,700 IDR 2,356,800
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Wed, Aug 5 | Frontier Airlines
        IDR 2,359,500
        34% off
        IDR 3,589,700 IDR 2,359,500
      • SEA 19:06
        14h 45m
        1 stop
        DCA 12:51
        Seattle - Washington D.C. | Tue, Aug 18 | Frontier Airlines
        IDR 2,359,500
        34% off
        IDR 3,589,700 IDR 2,359,500
      • SEA 19:06
        23h 53m
        1 stop
        DCA 21:59
        Seattle - Washington D.C. | Fri, Jul 24 | Frontier Airlines
        IDR 2,372,700
        34% off
        IDR 3,589,700 IDR 2,372,700
      • SEA 13:00
        17h 25m
        1 stop
        WAS 14:00
        Seattle - Washington D.C. | Sun, Jul 5 | Normal Airline
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Displayed flight fares from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

Trip.com Price Insights: Flights from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport

What is the cheapest month to fly from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport are usually in November, with an average price of IDR 3,146,000. It is best to avoid July, when the average price can reach IDR 7,541,200.

IDR 7,541,200
IDR 5,343,600
IDR 3,146,000
IDR 948,400
    Cheapest
  • IDR 5,159,800
    Jun
  • IDR 7,541,200
    Jul
  • IDR 4,667,200
    Aug
  • IDR 4,696,200
    Sep
  • IDR 7,283,100
    Oct
  • IDR 3,146,000
    Nov
  • IDR 5,053,700
    Dec
  • IDR 7,409,700
    Jan
  • IDR 5,557,500
    Feb
  • IDR 5,105,900
    Mar
  • IDR 5,280,900
    Apr
  • IDR 3,229,000
    May

What is the cheapest day of the week to fly from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport is Saturday, with average prices usually lower than other days. Avoid departing on Wednesday as prices are typically highest on that day.

IDR 6,707,500
IDR 5,035,850
IDR 3,364,200
IDR 1,692,550
    Cheapest
  • IDR 5,600,500
    Mon
  • IDR 5,102,300
    Tue
  • IDR 6,707,500
    Wed
  • IDR 5,630,300
    Thu
  • IDR 5,302,500
    Fri
  • IDR 3,364,200
    Sat
  • IDR 5,839,000
    Sun

Selected Airlines from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport

See which airlines fly from Seattle to Washington D.C.. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From IDR 2,277,300
American Airlines
From IDR 2,447,000
Alaska Airlines
From IDR 2,728,000
Hahn Air
From IDR 2,749,200
United Airlines
From IDR 2,836,700
Delta Air Lines
From IDR 2,971,900
Jetblue Airways
From IDR 4,199,300
Qatar Airways
From IDR 5,938,400
Sun Country Airlines
From IDR 8,096,300

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Flight Schedule from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport

Check the schedule for flights from Seattle to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA381

    Seattle Tacoma Intl. Airport

    5:10 AM

    SEA

    5h 7m

    Direct

    1:17 PM

    CLT

    S M T W T F S
    Search

  2. AA2839

    Charlotte Douglas International Airport

    2:30 PM

    CLT

    1h 40m

    Direct

    4:10 PM

    DCA

    S M T W T F S

  3. AA3219

    Seattle Tacoma Intl. Airport

    8:20 AM

    SEA

    5h 22m

    Direct

    4:42 PM

    PHL

    S M T W T F S
    Search

  4. AA5019

    Philadelphia International Airport

    7:05 PM

    PHL

    1h 15m

    Direct

    8:20 PM

    DCA

    S M T W T - S

  5. F91176

    Seattle Tacoma Intl. Airport

    7:07 PM

    SEA

    2h 52m

    Direct

    10:59 PM

    DEN

    S M T W T F S
    Search

  6. F9686

    Denver International Airport

    7:30 AM

    DEN

    3h 21m

    Direct

    12:51 PM

    DCA

    S - T W T - S

  7. F91176

    Seattle Tacoma Intl. Airport

    7:07 PM

    SEA

    2h 52m

    Direct

    10:59 PM

    DEN

    S M T W T F S
    Search

  8. F9688

    Denver International Airport

    11:25 AM

    DEN

    3h 34m

    Direct

    4:59 PM

    DCA

    S M - W T - S

  9. F92408

    Seattle Tacoma Intl. Airport

    9:29 PM

    SEA

    2h 42m

    Direct

    12:11 AM

    LAS

    S M T W T F S
    Search

  10. AA2019

    Harry Reid Intl. Airport

    11:42 AM

    LAS

    4h 43m

    Direct

    7:25 PM

    DCA

    S M T W T - S

  11. F93406

    Seattle Tacoma Intl. Airport

    1:35 PM

    SEA

    2h 59m

    Direct

    5:34 PM

    DEN

    S M T W T F S
    Search

  12. F9688

    Denver International Airport

    11:25 AM

    DEN

    3h 34m

    Direct

    4:59 PM

    DCA

    S M - W T - S
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Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport Flights Info

Flight distance 3,741.3 km
Cheapest one-way ticket price IDR 2,277,300
Cheapest return ticket price IDR 4,429,900

FAQs for Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport Flights

  • How long is a flight from Seattle Tacoma Intl. Airport to Ronald Reagan Washington National Airport?

    It takes around 5 hours 11 minutes to fly from Seattle Tacoma Intl. Airport (sea) to Ronald Reagan Washington National Airport (dca).
  • There are around 2 daily flights from Seattle Tacoma Intl. Airport (SEA) to Ronald Reagan Washington National Airport (DCA).
  • Tickets cost around IDR 5,493,000 in August, making it the cheapest month to book. Seattle Tacoma Intl. Airport (SEA) to Ronald Reagan Washington National Airport (DCA) is a popular route, so don't forget to book your tickets in advance.
  • The route from Seattle Tacoma Intl. Airport (SEA) to Ronald Reagan Washington National Airport (DCA) is quite popular. Without considering departure times or holidays, tickets cost around IDR 8,504,600 in July, the most expensive month to book this route.
  • The earliest flight departs from Seattle Tacoma Intl. Airport (SEA) at 07:05 and arrives in Ronald Reagan Washington National Airport (DCA) at 22:43.
  • Delta Air Lines is a very popular airline operating an average of 692 flights per month.

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