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$535+ Cheap flights from Saint George to Billings (SGU - BIL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BIL
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Find flight deals from Saint George to Billings

Cheapest flights from Saint George to Billings
Explore the most affordable flight options available from Saint George to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:18 amSGU - BIL
1 stop4h 26mUnited Airlines
Sun 8/247:00 amBIL - SGU
2 stops9h 21mUnited Airlines
Deal found 8/18$535

Best time to book a flight from Saint George to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Saint George with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Saint George to Billings

What is the cheapest time of day to fly from SGU to BIL?

Find hourly flight availability from Saint George to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Saint George to Billings at noon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Saint George to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Saint George to Billings that include hotel bookings?

    Yes. In addition to deals on Saint George to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Saint George to Billings?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint George to Billings.

  • Can I find deals for business class flights from Saint George to Billings?

    Yes. Cheapflights offers flight deals from Saint George to Billings by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint George to Billings?

    Currently, January is the cheapest month in which you can book a flight from Saint George to Billings (average of $395). Flying from Saint George to Billings in June is currently the most expensive (average of $511). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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