American Airlines flights from San Diego to Washington, D.C.

Recent searches for flights from San Diego to Washington, D.C.

Sep 2026
From$469*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$269*
Updated: 2 hours ago
Round tripIEconomy
Nov 2026
From$269*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $269
cmp-daily-histogram-bars-legend-max-price-aria-label $1.0K
Displaying fares for September-2026
  • SAN–IAD, 09/14/26 – 09/15/26: From $1,027
    14

    Mo

    SEP

  • SAN–WAS, 09/15/26 – 09/22/26: From $469
    15

    Tu

  • SAN–WAS, 09/16/26 – 09/23/26: From $469
    16

    We

  • SAN–WAS, 09/17/26 – 09/24/26: From $634
    17

    Th

  • SAN–WAS, 09/18/26 – 09/25/26: From $531
    18

    Fr

  • SAN–WAS, 09/19/26 – 09/26/26: From $469
    19

    Sa

  • SAN–WAS, 09/20/26 – 09/27/26: From $610
    20

    Su

  • SAN–WAS, 09/21/26 – 09/28/26: From $531
    21

    Mo

  • SAN–WAS, 09/22/26 – 09/29/26: From $469
    22

    Tu

  • SAN–WAS, 09/23/26 – 09/30/26: From $469
    23

    We

  • SAN–WAS, 09/24/26 – 10/01/26: From $555
    24

    Th

  • SAN–WAS, 09/25/26 – 10/02/26: From $531
    25

    Fr

  • SAN–WAS, 09/26/26 – 10/03/26: From $469
    26

    Sa

  • SAN–WAS, 09/27/26 – 10/04/26: From $581
    27

    Su

  • SAN–WAS, 09/28/26 – 10/05/26: From $531
    28

    Mo

  • SAN–WAS, 09/29/26 – 10/06/26: From $469
    29

    Tu

  • SAN–WAS, 09/30/26 – 10/07/26: From $469
    30

    We

  • SAN–DCA, 10/01/26 – 10/08/26: From $547
    01

    Th

    OCT

  • SAN–WAS, 10/02/26 – 10/09/26: From $531
    02

    Fr

  • SAN–WAS, 10/03/26 – 10/10/26: From $469
    03

    Sa

  • SAN–WAS, 10/04/26 – 10/11/26: From $531
    04

    Su

  • SAN–WAS, 10/05/26 – 10/08/26: From $408
    05

    Mo

  • SAN–IAD, 10/06/26 – 10/14/26: From $269
    06

    Tu

  • SAN–IAD, 10/07/26 – 10/14/26: From $269
    07

    We

  • SAN–DCA, 10/08/26 – 10/15/26: From $427
    08

    Th

  • SAN–IAD, 10/09/26 – 10/16/26: From $370
    09

    Fr

  • SAN–IAD, 10/10/26 – 10/17/26: From $288
    10

    Sa

  • SAN–DCA, 10/11/26 – 10/18/26: From $482
    11

    Su

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

    Mo

  • SAN–WAS, 10/13/26 – 10/19/26: From $288
    13

    Tu

    • range$269-$1,027

    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 San Diego to Washington, D.C. flights

    $
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    San Diego (SAN)to

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

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 8 hours ago

    San Diego (SAN)to

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

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 8 hours ago

    San Diego (SAN)to

    Washington, D.C. (WAS)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 8 hours ago

    San Diego (SAN)to

    Washington, D.C. (WAS)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 8 hours ago

    San Diego (SAN)to

    Washington, D.C. (WAS)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 8 hours ago

    San Diego (SAN)to

    Washington, D.C. (WAS)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 8 hours ago

    San Diego (SAN)to

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

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 8 hours ago

    San Diego (SAN)to

    Washington, D.C. (WAS)
    10/13/26 - 10/19/26

    Round trip

    Economy

    from
    $288Fare subject to changes
    Updated: 2 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 San Diego to Washington, D.C.

    Looking for lower fares on your trip from San Diego 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.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from San Diego to Washington, D.C.