Book Cheap Allegiant Flights from Belleville / St. Louis at $40*

Promo Code

*Modifying this information may result in a different fare

Deals from Belleville / St. Louis

  • Belleville / St. Louis (BLV)to

    Gulf Shores (GUF)
    Departing: January 5 2026
    From
    $40
    Seen: 1 day ago
    One-way
    Economy

    Belleville / St. Louis (BLV)to

    Las Vegas (LAS)
    Departing: February 15 2026
    From
    $80
    Seen: 14 hrs ago
    One-way
    Economy

    Belleville / St. Louis (BLV)to

    Sarasota / Bradenton (SRQ)
    Departing: January 22 2026
    From
    $56
    Seen: 1 day ago
    One-way
    Economy

    Belleville / St. Louis (BLV)to

    Ft. Lauderdale (FLL)
    Departing: February 19 2026
    From
    $56
    Seen: 16 hrs ago
    One-way
    Economy

*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.

Deals Belleville / St. Louis

Deals Belleville / St. Louis
From
To
Fare Type
Dates
Price
Belleville / St. Louis (BLV)Punta Gorda / Ft. Myers (PGD)One-way
/
Economy		Departing: January 4 2026

From

$60

Seen: 11 hrs ago

Belleville / St. Louis (BLV)Orlando/Sanford (SFB)One-way
/
Economy		Departing: January 5 2026

From

$51

Seen: 15 hrs ago

Belleville / St. Louis (BLV)Destin / Ft. Walton Beach (VPS)One-way
/
Economy		Departing: January 18 2026

From

$51

Seen: 9 hrs ago

Belleville / St. Louis (BLV)Tampa / St. Pete (PIE)One-way
/
Economy		Departing: January 5 2026

From

$51

Seen: 17 hrs ago

Belleville / St. Louis (BLV)Gulf Shores (GUF)One-way
/
Economy		Departing: January 5 2026

From

$40

Seen: 1 day ago

Belleville / St. Louis (BLV)Las Vegas (LAS)One-way
/
Economy		Departing: February 15 2026

From

$80

Seen: 14 hrs ago

Belleville / St. Louis (BLV)Sarasota / Bradenton (SRQ)One-way
/
Economy		Departing: January 26 2026

From

$56

Seen: 1 day ago

Belleville / St. Louis (BLV)Ft. Lauderdale (FLL)One-way
/
Economy		Departing: February 19 2026

From

$56

Seen: 16 hrs ago

Belleville / St. Louis (BLV)Jacksonville (JAX)One-way
/
Economy		Departing: May 21 2026

From

$144

Seen: 17 hrs ago

Belleville / St. Louis (BLV)Myrtle Beach (MYR)One-way
/
Economy		Departing: May 24 2026

From

$107

Seen: 12 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.

Travel Tips

Bundles are packages of popular services with an added discount.

Select a bundle to:

  • Streamline the booking experience

  • Save time

  • Save money!

  • Click here for more information.

Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.

  • Benefits include free checked bag, carry on, etc. Click here to learn more.

Lock in the lowest price by adding your checked and carryon bags when you book your flight.

  • By charging for carry-ons, we ensure there is space for everyone who needs it.

  • This leads to speedier boarding. Click here to see your bag options.

Cheap flights to Saint Louis, MO (BLV) with Allegiant Airlines

Related Links