App
Help
USD
Search Bookings
Trip.com
>
Flights
>
Flights to Washington D.C.
>
Seattle to Washington D.C. flight
>
Seattle-Tacoma International Airport to Ronald Reagan Washington National Airport flight
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from Seattle-Tacoma International Airport to Ronald Reagan Washington National Airport

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

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • SEA21:49
        21h 10m
        1 stop
        DCA21:59
        Seattle - Washington D.C.|Thu, May 23|Frontier Airlines
        $52$111
        53% OFF
        53% OFF
        $111$52
      • SEA17:02
        25h 57m
        1 stop
        DCA21:59
        Seattle - Washington D.C.|Mon, May 6|Frontier Airlines
        $53$111
        52% OFF
        52% OFF
        $111$53
      • SEA21:32
        11h 28m
        1 stop
        DCA12:00
        Seattle - Washington D.C.|Sat, May 11|Frontier Airlines
        $53$111
        52% OFF
        52% OFF
        $111$53
      • SEA17:02
        25h 57m
        1 stop
        DCA21:59
        Seattle - Washington D.C.|Mon, May 13|Frontier Airlines
        $53
        $53
      • SEA21:49
        21h 10m
        1 stop
        DCA21:59
        Seattle - Washington D.C.|Thu, May 16|Frontier Airlines
        $54
        $54
      • SEA22:24
        20h 35m
        1 stop
        DCA21:59
        Seattle - Washington D.C.|Fri, May 17|Frontier Airlines
        $61
        $61
      • SEA22:04
        10h 56m
        1 stop
        DCA12:00
        Seattle - Washington D.C.|Thu, May 2|Frontier Airlines
        $70
        $70
      • SEA20:14
        12h 49m
        1 stop
        DCA12:03
        Seattle - Washington D.C.|Tue, May 21|Frontier Airlines
        $71
        $71
      • SEA21:35
        11h 25m
        1 stop
        DCA12:00
        Seattle - Washington D.C.|Tue, May 14|Frontier Airlines
        $81
        $81
      • SEA21:50
        21h 9m
        1 stop
        DCA21:59
        Seattle - Washington D.C.|Wed, May 15|Frontier Airlines
        $83
        $83
      • SEA13:00
        3h 5m
        Direct
        DCA14:00
        Seattle - Washington D.C.|Thu, May 9|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Seattle-Tacoma International 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 $52
American Airlines
From $98
Delta Air Lines
From $140
Sun Country Airlines
From $149
United Airlines
From $176
Jetblue Airways
From $214
Spirit Airlines
From $231
Southwest Airlines
From $286
Alaska Airlines
From $435
ANA airlines
Find more flights and airlines
Flight Schedule from Seattle-Tacoma International 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. AA3743

    American Airlines

    05:00

    SEA

    3.0h

    08:00

    PHX

    SMTW---
    Search

  2. AA1250

    American Airlines

    08:48

    PHX

    4.5h

    16:20

    DCA

    SMTWTFS

  3. AS682

    Alaska Airlines

    06:00

    SEA

    2.7h

    09:44

    DEN

    SMTWTFS
    Search

  4. F9690

    Frontier Airlines

    16:27

    DEN

    3.5h

    21:59

    DCA

    -M----S

  5. AS682

    Alaska Airlines

    06:00

    SEA

    2.7h

    09:44

    DEN

    SMTWTFS
    Search

  6. F93862

    Frontier Airlines

    12:39

    DEN

    3.4h

    18:01

    DCA

    -MT--F-

  7. DL2932

    Delta Air Lines

    07:20

    SEA

    2.1h

    10:29

    SLC

    -MTW---
    Search

  8. F93982

    Frontier Airlines

    13:59

    SLC

    6.0h

    21:59

    DCA

    S-TWTF-

  9. AA854

    American Airlines

    07:30

    SEA

    5.1h

    15:34

    CLT

    SMTWTFS
    Search

  10. AA372

    American Airlines

    15:07

    CLT

    1.4h

    16:29

    DCA

    SMTWTFS

  11. F92150

    Frontier Airlines

    21:35

    SEA

    2.8h

    01:25

    DEN

    -M-----
    Search

  12. F9686

    Frontier Airlines

    06:39

    DEN

    3.5h

    12:09

    DCA

    SMTWTFS

  13. F91176

    Frontier Airlines

    22:08

    SEA

    2.7h

    01:51

    DEN

    S---T--
    Search

  14. F9686

    Frontier Airlines

    06:39

    DEN

    3.5h

    12:09

    DCA

    SMTWTFS

  15. AA2361

    American Airlines

    23:40

    SEA

    5.0h

    07:38

    PHL

    SMTWTFS
    Search

  16. AA4541

    American Airlines

    10:47

    PHL

    1.1h

    11:56

    DCA

    SMTWT--

  17. F92146

    Frontier Airlines

    23:41

    SEA

    2.8h

    03:28

    DEN

    --TWTFS
    Search

  18. F9686

    Frontier Airlines

    06:39

    DEN

    3.5h

    12:09

    DCA

    SMTWTFS

  19. AA1181

    American Airlines

    23:59

    SEA

    4.2h

    06:11

    ORD

    SMTW---
    Search

  20. AA2903

    American Airlines

    08:15

    ORD

    2.0h

    11:13

    DCA

    SMTWTFS
Find more flights and airlines

Seattle-Tacoma International Airport to Ronald Reagan Washington National Airport Flights Info

Flight distance3,741.3km
Cheapest one-way ticket price$52
Cheapest return ticket price$132

FAQs for Seattle-Tacoma International Airport to Ronald Reagan Washington National Airport Flights

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

    It takes around 5 hours 8 minutes to fly from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA).

  • How many daily flights are there from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA)?

    There are around 2 daily flights from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA).

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA) the cheapest?

    Tickets cost around $332 in July, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA) most expensive?

    The route from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA) is quite popular. Without considering departure times or holidays, tickets cost around $509 in May, the most expensive month to book this route.

  • What time does the earliest flight from Seattle-Tacoma International Airport to Ronald Reagan Washington National Airport depart?

    The earliest flight departs from Seattle-Tacoma International Airport (SEA) at 08:32 and arrives in Ronald Reagan Washington National Airport (DCA) at 16:45.

  • Which airline operates the most direct flights from Seattle-Tacoma International Airport (SEA) to Ronald Reagan Washington National Airport (DCA)?

    Alaska Airlines is a very popular airline operating an average of 2153 flights per month.

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2024 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.