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

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

Aug 2026
From$1,638*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$811*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$769*
Updated: 15 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.6K
cmp-daily-histogram-bars-legend-max-price-aria-label $2.4K
Displaying fares for August-2026
  • IAD–LIS, 08/05/26 – 08/12/26: From $2,262
    05

    We

    AUG

  • WAS–LIS, 08/06/26 – 08/16/26: From $1,680
    06

    Th

  • IAD–LIS, 08/07/26 – 08/14/26: From $2,322
    07

    Fr

  • WAS–LIS, 08/08/26 – 08/15/26: From $2,391
    08

    Sa

  • WAS–LIS, 08/09/26 – 08/16/26: From $2,331
    09

    Su

  • WAS–LIS, 08/10/26 – 08/17/26: From $2,335
    10

    Mo

  • DCA–LIS, 08/11/26 – 08/18/26: From $2,265
    11

    Tu

  • IAD–LIS, 08/12/26 – 08/19/26: From $2,121
    12

    We

  • WAS–LIS, 08/13/26 – 08/20/26: From $2,168
    13

    Th

  • WAS–LIS, 08/14/26 – 08/21/26: From $2,168
    14

    Fr

  • IAD–LIS, 08/15/26 – 08/22/26: From $2,220
    15

    Sa

  • IAD–LIS, 08/16/26 – 08/23/26: From $2,160
    16

    Su

  • WAS–LIS, 08/17/26 – 08/24/26: From $2,168
    17

    Mo

  • IAD–LIS, 08/18/26 – 08/25/26: From $2,100
    18

    Tu

  • WAS–LIS, 08/19/26 – 08/26/26: From $1,638
    19

    We

  • IAD–LIS, 08/20/26 – 08/27/26: From $1,690
    20

    Th

  • WAS–LIS, 08/21/26 – 08/28/26: From $1,698
    21

    Fr

  • IAD–LIS, 08/22/26 – 08/29/26: From $1,980
    22

    Sa

  • WAS–LIS, 08/23/26 – 08/30/26: From $1,918
    23

    Su

  • WAS–LIS, 08/24/26 – 08/31/26: From $1,918
    24

    Mo

  • IAD–LIS, 08/25/26 – 09/01/26: From $1,850
    25

    Tu

  • WAS–LIS, 08/26/26 – 09/02/26: From $1,858
    26

    We

  • WAS–LIS, 08/27/26 – 09/03/26: From $1,928
    27

    Th

  • WAS–LIS, 08/28/26 – 09/04/26: From $1,928
    28

    Fr

  • IAD–LIS, 08/29/26 – 09/05/26: From $1,980
    29

    Sa

  • WAS–LIS, 08/30/26 – 09/06/26: From $1,945
    30

    Su

  • IAD–LIS, 08/31/26 – 09/07/26: From $1,910
    31

    Mo

  • WAS–LIS, 09/01/26 – 09/08/26: From $1,850
    01

    Tu

    SEP

  • WAS–LIS, 09/02/26 – 09/09/26: From $1,573
    02

    We

  • WAS–LIS, 09/03/26 – 09/10/26: From $1,643
    03

    Th

  • IAD–LIS, 09/04/26 – 09/11/26: From $1,635
    04

    Fr

    • range$1,573-$2,391

    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 Washington, D.C. to Lisbon flights

    $
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    Washington, D.C. (WAS)to

    Lisbon (LIS)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Washington, D.C. (WAS)to

    Lisbon (LIS)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Washington, D.C. (WAS)to

    Lisbon (LIS)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Washington, D.C. (WAS)to

    Lisbon (LIS)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $764Fare subject to changes
    Updated: 6 hours ago

    Washington, D.C. (WAS)to

    Lisbon (LIS)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $769Fare subject to changes
    Updated: 6 hours ago

    Washington, D.C. (WAS)to

    Lisbon (LIS)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $772Fare subject to changes
    Updated: 6 hours ago

    Washington, D.C. (WAS)to

    Lisbon (LIS)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $772Fare subject to changes
    Updated: 6 hours ago

    Washington, D.C. (WAS)to

    Lisbon (LIS)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $782Fare subject to changes
    Updated: 6 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 Washington, D.C. to Lisbon

    Looking for lower fares on your trip from Washington, D.C. to Lisbon? 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

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • 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 Washington, D.C. to Lisbon