Flights Washington, D.C. – Basel - Mulhouse (WAS-BSL) from $751*

*Modifying this information may result in a different fare

Book flights from Washington, D.C. to Basel - Mulhouse

cmp-daily-histogram-bars-legend-min-price-aria-label $911
cmp-daily-histogram-bars-legend-max-price-aria-label $2.6K
Displaying fares for September-2026
  • IAD–BSL, 09/01/2026 – 09/22/2026: From $2,510
    01

    Tu

    sep

  • IAD–BSL, 09/02/2026 – 09/09/2026: From $2,510
    02

    We

  • IAD–BSL, 09/03/2026 – 09/10/2026: From $2,574
    03

    Th

  • IAD–BSL, 09/04/2026 – 09/18/2026: From $2,570
    04

    Fr

  • IAD–BSL, 09/05/2026 – 09/12/2026: From $2,630
    05

    Sa

  • IAD–BSL, 09/06/2026 – 09/13/2026: From $2,570
    06

    Su

  • IAD–BSL, 09/07/2026 – 10/05/2026: From $2,570
    07

    Mo

  • IAD–BSL, 09/08/2026 – 09/22/2026: From $2,510
    08

    Tu

  • IAD–BSL, 09/09/2026 – 09/16/2026: From $2,517
    09

    We

  • IAD–BSL, 09/10/2026 – 09/17/2026: From $2,574
    10

    Th

  • IAD–BSL, 09/11/2026 – 09/25/2026: From $2,570
    11

    Fr

  • IAD–BSL, 09/12/2026 – 09/19/2026: From $2,630
    12

    Sa

  • IAD–BSL, 09/13/2026 – 09/20/2026: From $1,770
    13

    Su

  • IAD–BSL, 09/14/2026 – 09/21/2026: From $1,770
    14

    Mo

  • IAD–BSL, 09/15/2026 – 10/06/2026: From $1,710
    15

    Tu

  • IAD–BSL, 09/16/2026 – 09/23/2026: From $1,717
    16

    We

  • IAD–BSL, 09/17/2026 – 10/08/2026: From $1,774
    17

    Th

  • IAD–BSL, 09/18/2026 – 09/25/2026: From $1,770
    18

    Fr

  • IAD–BSL, 09/19/2026 – 09/26/2026: From $1,830
    19

    Sa

  • IAD–BSL, 09/20/2026 – 09/27/2026: From $1,770
    20

    Su

  • IAD–BSL, 09/21/2026 – 09/28/2026: From $1,770
    21

    Mo

  • IAD–BSL, 09/22/2026 – 09/29/2026: From $1,710
    22

    Tu

  • IAD–BSL, 09/23/2026 – 10/07/2026: From $1,717
    23

    We

  • IAD–BSL, 09/24/2026 – 10/01/2026: From $1,774
    24

    Th

  • IAD–BSL, 09/25/2026 – 10/02/2026: From $1,770
    25

    Fr

  • IAD–BSL, 09/26/2026 – 10/03/2026: From $1,830
    26

    Sa

  • IAD–BSL, 09/27/2026 – 10/11/2026: From $971
    27

    Su

  • IAD–BSL, 09/28/2026 – 10/05/2026: From $971
    28

    Mo

  • IAD–BSL, 09/29/2026 – 10/13/2026: From $911
    29

    Tu

  • IAD–BSL, 09/30/2026 – 10/28/2026: From $911
    30

    We

  • Range$911-$2,630

    The best deals on flights from Washington, D.C. to Basel - Mulhouse for the upcoming months

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    The best deals on flights from Washington, D.C. to Basel - Mulhouse for the upcoming months
    From
    To
    Fare Type
    Dates
    Price
    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    11/03/2026 - 11/10/2026

    From

    $751

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    11/03/2026 - 11/17/2026

    From

    $751

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    11/04/2026 - 11/11/2026

    From

    $751

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    11/04/2026 - 11/18/2026

    From

    $751

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    11/04/2026 - 11/25/2026

    From

    $751

    Seen: 10 hrs ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
    Air France airplane

    Travel from Washington, D.C. to Basel - Mulhouse with Air France

    Whether you're looking for a last-minute Washington, D.C. - Basel - Mulhouse (Switzerland) flight or planning a flight at a later date, take advantage of our lowest prices for your travel dates on this site. Take a look at the next 6 months and find the best price to fly whit Air France from Washington, D.C. (WAS) to Basel - Mulhouse (BSL) or directly pick your departure date if your trip to Basel - Mulhouse (Switzerland) is already scheduled.