Flights Washington, D.C. – Basel - Mulhouse (WAS-BSL) from $750*

*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 $830
cmp-daily-histogram-bars-legend-max-price-aria-label $2.7K
Displaying fares for September-2026
  • IAD–BSL, 09/21/2026 – 09/28/2026: From $2,619
    21

    Mo

    sep

  • IAD–BSL, 09/22/2026 – 09/29/2026: From $2,559
    22

    Tu

  • IAD–BSL, 09/23/2026 – 10/07/2026: From $2,566
    23

    We

  • IAD–BSL, 09/24/2026 – 10/08/2026: From $2,623
    24

    Th

  • IAD–BSL, 09/25/2026 – 10/02/2026: From $2,619
    25

    Fr

  • IAD–BSL, 09/26/2026 – 10/03/2026: From $2,679
    26

    Sa

  • IAD–BSL, 09/27/2026 – 10/11/2026: From $2,619
    27

    Su

  • IAD–BSL, 09/28/2026 – 10/05/2026: From $2,619
    28

    Mo

  • IAD–BSL, 09/29/2026 – 10/13/2026: From $2,559
    29

    Tu

  • IAD–BSL, 09/30/2026 – 10/28/2026: From $2,559
    30

    We

  • IAD–BSL, 10/01/2026 – 10/08/2026: From $2,623
    01

    Th

    oct

  • IAD–BSL, 10/02/2026 – 10/16/2026: From $2,619
    02

    Fr

  • IAD–BSL, 10/03/2026 – 10/10/2026: From $1,879
    03

    Sa

  • IAD–BSL, 10/04/2026 – 11/01/2026: From $1,704
    04

    Su

  • IAD–BSL, 10/05/2026 – 11/02/2026: From $1,708
    05

    Mo

  • IAD–BSL, 10/06/2026 – 11/03/2026: From $1,654
    06

    Tu

  • IAD–BSL, 10/07/2026 – 11/04/2026: From $1,654
    07

    We

  • IAD–BSL, 10/08/2026 – 11/05/2026: From $1,718
    08

    Th

  • IAD–BSL, 10/09/2026 – 11/06/2026: From $1,718
    09

    Fr

  • IAD–BSL, 10/10/2026 – 11/07/2026: From $1,764
    10

    Sa

  • IAD–BSL, 10/11/2026 – 11/08/2026: From $1,704
    11

    Su

  • IAD–BSL, 10/12/2026 – 11/02/2026: From $1,708
    12

    Mo

  • IAD–BSL, 10/13/2026 – 11/10/2026: From $1,654
    13

    Tu

  • IAD–BSL, 10/14/2026 – 11/11/2026: From $1,654
    14

    We

  • IAD–BSL, 10/15/2026 – 11/05/2026: From $1,718
    15

    Th

  • IAD–BSL, 10/16/2026 – 11/13/2026: From $1,714
    16

    Fr

  • IAD–BSL, 10/17/2026 – 11/14/2026: From $940
    17

    Sa

  • IAD–BSL, 10/18/2026 – 11/15/2026: From $880
    18

    Su

  • IAD–BSL, 10/19/2026 – 11/09/2026: From $880
    19

    Mo

  • IAD–BSL, 10/20/2026 – 11/03/2026: From $830
    20

    Tu

  • Range$830-$2,679

    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
    12/01/2026 - 12/08/2026

    From

    $750

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    12/01/2026 - 12/15/2026

    From

    $750

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    12/02/2026 - 12/09/2026

    From

    $750

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    12/08/2026 - 12/15/2026

    From

    $750

    Seen: 10 hrs ago

    Washington, D.C. (IAD)Basel - Mulhouse (BSL)Round-trip
    /
    Economy
    12/09/2026 - 12/16/2026

    From

    $750

    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.