A dilapidated wooden structure in a grassy field with a dramatic sky.

Cheap Flights to Gallatin County from $84

View $84 flight on Fri, Apr 23, 2027Opens in a new window

Flight 1

Flight 2

Popular airlines to Gallatin County

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Lufthansa

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Gallatin County?

Prices were available within the past 7 days and start at $84 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Allegiant Air
United
Bargain Flight
Alaska Airlines
Delta
United
United
American Airlines
United
United

Trending flights to Gallatin County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Allegiant Air

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Available to One Key members.

*Flight schedules are subject to change.

*Available to One Key members.

Explore a world of travel with Expedia