American Airlines flights from Greenville to Missoula

Recent searches for flights from Greenville to Missoula

Aug 2026
From$474*
Updated: 42 minutes ago
Round tripIEconomy
Sep 2026
From$567*
Updated: 42 minutes ago
Round tripIEconomy
Oct 2026
From$359*
Updated: 42 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $474
cmp-daily-histogram-bars-legend-max-price-aria-label $1.6K
Displaying fares for August-2026
  • GSP–MSO: cmp-view-offers-disclaimer. Find Offers
    21

    Fr

    AUG

  • GSP–MSO, 08/22/26 – 08/29/26: From $554
    22

    Sa

  • GSP–MSO, 08/23/26 – 08/30/26: From $915
    23

    Su

  • GSP–MSO, 08/24/26 – 08/31/26: From $582
    24

    Mo

  • GSP–MSO, 08/25/26 – 09/01/26: From $563
    25

    Tu

  • GSP–MSO, 08/26/26 – 09/02/26: From $554
    26

    We

  • GSP–MSO, 08/27/26 – 09/03/26: From $554
    27

    Th

  • GSP–MSO, 08/28/26 – 09/04/26: From $474
    28

    Fr

  • GSP–MSO, 08/29/26 – 09/05/26: From $474
    29

    Sa

  • GSP–MSO, 08/30/26 – 09/06/26: From $594
    30

    Su

  • GSP–MSO, 08/31/26 – 09/07/26: From $971
    31

    Mo

  • GSP–MSO, 09/01/26 – 09/08/26: From $582
    01

    Tu

    SEP

  • GSP–MSO, 09/02/26 – 09/09/26: From $864
    02

    We

  • GSP–MSO, 09/03/26 – 09/10/26: From $1,111
    03

    Th

  • GSP–MSO, 09/04/26 – 09/11/26: From $1,474
    04

    Fr

  • GSP–MSO, 09/05/26 – 09/12/26: From $1,246
    05

    Sa

  • GSP–MSO, 09/06/26 – 09/13/26: From $1,186
    06

    Su

  • GSP–MSO, 09/07/26 – 09/14/26: From $1,052
    07

    Mo

  • GSP–MSO, 09/08/26 – 09/15/26: From $699
    08

    Tu

  • GSP–MSO, 09/09/26 – 09/16/26: From $994
    09

    We

  • GSP–MSO, 09/10/26 – 09/17/26: From $1,076
    10

    Th

  • GSP–MSO, 09/11/26 – 09/18/26: From $1,583
    11

    Fr

  • GSP–MSO: cmp-view-offers-disclaimer. Find Offers
    12

    Sa

  • GSP–MSO: cmp-view-offers-disclaimer. Find Offers
    13

    Su

  • GSP–MSO, 09/14/26 – 09/21/26: From $1,060
    14

    Mo

  • GSP–MSO, 09/15/26 – 09/22/26: From $864
    15

    Tu

  • GSP–MSO, 09/16/26 – 09/23/26: From $975
    16

    We

  • GSP–MSO, 09/17/26 – 09/24/26: From $840
    17

    Th

  • GSP–MSO: cmp-view-offers-disclaimer. Find Offers
    18

    Fr

  • GSP–MSO: cmp-view-offers-disclaimer. Find Offers
    19

    Sa

  • GSP–MSO: cmp-view-offers-disclaimer. Find Offers
    20

    Su

    • range$474-$1,583

    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 Greenville to Missoula flights

    $
    keyboard_arrow_down

    Greenville (GSP)to

    Missoula (MSO)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes ago

    Greenville (GSP)to

    Missoula (MSO)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes ago

    Greenville (GSP)to

    Missoula (MSO)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes ago

    Greenville (GSP)to

    Missoula (MSO)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes ago

    Greenville (GSP)to

    Missoula (MSO)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes ago

    Greenville (GSP)to

    Missoula (MSO)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes ago

    Greenville (GSP)to

    Missoula (MSO)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes ago

    Greenville (GSP)to

    Missoula (MSO)
    10/30/26 - 11/06/26

    Round trip

    Economy

    from
    $359Fare subject to changes
    Updated: 42 minutes 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 Greenville to Missoula

    Looking for lower fares on your trip from Greenville to Missoula? 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 Greenville to Missoula