American Airlines flights from Houston to Washington, D.C.

Recent searches for flights from Houston to Washington, D.C.

Sep 2026
From$549*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$387*
Updated: 2 hours ago
Round tripIEconomy
Nov 2026
From$387*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $468
cmp-daily-histogram-bars-legend-max-price-aria-label $608
Displaying fares for September-2026
  • IAH–DCA, 09/13/26 – 09/20/26: From $583
    13

    Su

    SEP

  • IAH–WAS, 09/14/26 – 09/21/26: From $593
    14

    Mo

  • IAH–WAS, 09/15/26 – 09/22/26: From $549
    15

    Tu

  • IAH–WAS, 09/16/26 – 09/23/26: From $549
    16

    We

  • IAH–WAS, 09/17/26 – 09/24/26: From $583
    17

    Th

  • IAH–WAS, 09/18/26 – 09/25/26: From $583
    18

    Fr

  • IAH–WAS, 09/19/26 – 09/26/26: From $549
    19

    Sa

  • IAH–DCA, 09/20/26 – 09/27/26: From $583
    20

    Su

  • IAH–DCA, 09/21/26 – 09/28/26: From $608
    21

    Mo

  • IAH–WAS, 09/22/26 – 09/29/26: From $549
    22

    Tu

  • IAH–DCA, 09/23/26 – 09/30/26: From $549
    23

    We

  • IAH–DCA, 09/24/26 – 10/01/26: From $583
    24

    Th

  • IAH–DCA, 09/25/26 – 10/02/26: From $583
    25

    Fr

  • IAH–DCA, 09/26/26 – 10/03/26: From $549
    26

    Sa

  • IAH–DCA, 09/27/26 – 10/04/26: From $575
    27

    Su

  • IAH–WAS, 09/28/26 – 10/05/26: From $575
    28

    Mo

  • IAH–WAS, 09/29/26 – 10/06/26: From $549
    29

    Tu

  • IAH–WAS, 09/30/26 – 10/07/26: From $549
    30

    We

  • IAH–WAS, 10/01/26 – 10/08/26: From $575
    01

    Th

    OCT

  • IAH–WAS, 10/02/26 – 10/09/26: From $575
    02

    Fr

  • IAH–DCA, 10/03/26 – 10/10/26: From $549
    03

    Sa

  • IAH–WAS, 10/04/26 – 10/11/26: From $577
    04

    Su

  • IAH–DCA, 10/05/26 – 10/12/26: From $567
    05

    Mo

  • IAH–IAD, 10/06/26 – 10/13/26: From $474
    06

    Tu

  • IAH–WAS, 10/07/26 – 10/14/26: From $468
    07

    We

  • IAH–DCA, 10/08/26 – 10/15/26: From $487
    08

    Th

  • IAH–DCA, 10/09/26 – 10/12/26: From $529
    09

    Fr

  • IAH–DCA, 10/10/26 – 10/17/26: From $474
    10

    Sa

  • IAH–WAS: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • IAH–WAS: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

    • range$468-$608

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Houston to Washington, D.C. flights

    $
    keyboard_arrow_down

    Houston (IAH)to

    Washington, D.C. (WAS)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 20 hours ago

    Houston (IAH)to

    Washington, D.C. (WAS)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 4 hours ago

    Houston (IAH)to

    Washington, D.C. (WAS)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 4 hours ago

    Houston (IAH)to

    Washington, D.C. (WAS)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 4 hours ago

    Houston (IAH)to

    Washington, D.C. (WAS)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 4 hours ago

    Houston (IAH)to

    Washington, D.C. (WAS)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 4 hours ago

    Houston (IAH)to

    Washington, D.C. (WAS)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 4 hours ago

    Houston (IAH)to

    Washington, D.C. (WAS)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 4 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Houston to Washington, D.C.

    Looking for lower fares on your trip from Houston to Washington, D.C.? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

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    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
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    American Airlines flights from Houston to Washington, D.C.