$47 Cheap flights from St. Regis, MT

View $47 flight on Mon, Jan 25, 2027

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  • Today's featured flight deals from St. Regis

    Expedia compares millions of flights to find the best value deals for where you want to go.

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    Cheapest flights from St. Regis

    Prices were available within the past 7 days and start at $47 for one-way flights and $84 for roundtrip, for the period specified. Prices and availability are subject to change.

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    One way

    Roundtrip

    Select Allegiant Air flight, departing Mon, Jan 25 from Missoula to Las Vegas, returning Fri, Jan 29, priced at $84 Just found

    Mon, Jan 25 - Fri, Jan 29 · MSO · Roundtrip

    Select Allegiant Air flight, departing Wed, Dec 9 from Missoula to Las Vegas, returning Thu, Dec 10, priced at $89 Found 20 hours ago

    Wed, Dec 9 - Thu, Dec 10 · MSO · Roundtrip

    Select Allegiant Air flight, departing Mon, Jan 11 from Missoula to Las Vegas, returning Fri, Jan 15, priced at $94 Just found

    Mon, Jan 11 - Fri, Jan 15 · MSO · Roundtrip

    Select Allegiant Air flight, departing Sun, Jan 17 from Missoula to Mesa, returning Thu, Jan 21, priced at $102 Found 17 hours ago

    Sun, Jan 17 - Thu, Jan 21 · MSO · AZA · Roundtrip

    Select Allegiant Air flight, departing Mon, Jan 25 from Missoula to Las Vegas, returning Mon, Feb 1, priced at $103 Found 1 hour ago

    Mon, Jan 25 - Mon, Feb 1 · MSO · Roundtrip

    Select Allegiant Air flight, departing Sun, Dec 13 from Missoula to Mesa, returning Thu, Jan 7, priced at $104 Found 5 days ago

    Sun, Dec 13 - Thu, Jan 7 · MSO · AZA · Roundtrip

    Select Delta flight, departing Thu, Dec 10 from Missoula to Seattle, returning Fri, Jan 8, priced at $242 Found 3 days ago

    Thu, Dec 10 - Fri, Jan 8 · MSO · SEA · Roundtrip

    Select Alaska Airlines flight, departing Wed, Dec 23 from Missoula to Seattle, returning Wed, Dec 30, priced at $257 Found 2 days ago

    Wed, Dec 23 - Wed, Dec 30 · MSO · SEA · Roundtrip

    Select United flight, departing Tue, Dec 15 from Missoula to Phoenix, returning Tue, Dec 15, priced at $315 Found 1 day ago

    Tue, Dec 15 - Tue, Dec 15 · MSO · PHX · Roundtrip

    Select American Airlines flight, departing Tue, Jan 26 from Missoula to Phoenix, returning Tue, Feb 2, priced at $321 Found 1 day ago

    Tue, Jan 26 - Tue, Feb 2 · MSO · PHX · Roundtrip

    How to Find Cheap Flights from St. Regis, MT

    How much is a flight from St. Regis?

    This week, flights from St. Regis are available between $84 – $321.

    How to find cheap flights from St. Regis?

    Expedia makes it easy to compare cheap flights from St. Regis to many destinations. Check out excellent deals on domestic and international flights from St. Regis. Once you select an offer, use our filters and sort by “Price (Lowest)” to see some of the cheapest and suitable options.

    How can I get the best deal on flights from St. Regis?

    On Expedia, you have some of best airline ticket deals at your fingertips. Whether it’s a beach escape with your partner, a family vacation with your kids, or business trip with colleagues, these low airline ticket prices mean more savings for you. An excellent strategy for finding some of the best deals on flights from St. Regis is to be flexible with your dates. Within each offer, you can compare prices for similar timeframes using our “Show flexible dates” feature. Depending on your destination, direct flights from St. Regis may be more expensive. Airlines with strict bag policies or fees can also impact your costs.

    What is the best airline to fly from St. Regis?

    At Expedia, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from St. Regis with: Allegiant Air, Delta, Alaska Airlines, United, American Airlines.

    What is the best month to fly from St. Regis?

    One of the cheapest times to fly from St. Regis airport(s) is January, based on the current list of flights available now. Prices on plane tickets vary considerably throughout the year due to availability and seasonal demand.

    Are there any last-minute flights from St. Regis?

    Expedia is the place to find last-minute flights from St. Regis, making it easy for you to compare prices on flights in the near future for different combinations of travel dates and from multiple airlines. We source some of the best deals for you and display some of the best offers available over the next 2 weeks.

    Why book your ticket with Expedia?

    Booking flights from St. Regis with Expedia is the obvious choice to get low prices, save money, and see more value from every dollar spent. We show you some of the best deals happening right now and provide a vast inventory of airlines and flight routes to choose from, so you can find some of the cheapest flights from St. Regis. You can customize your journey to your timeline, route preferences, budget, rewards programs, and more.

    Can I change/cancel my flight?

    Some flights can be changed or canceled, but fees and refunds will depend on the unique terms of your flight agreement. Airlines have different rules and restrictions for exchanging or refunding flights. For more information, go to your itinerary or visit our customer service portal. We recommend choosing flights with no change fees for the most flexibility. Filter by “Flexible change policies” to see flights with no change fees.

    Travel information

    Origin city nameMissoula
    Origin airportMissoula Intl. Airport
    Origin airport IATA codeMSO
    Airlines servingAlaska Airlines, United, Delta, American Airlines, British Airways, Allegiant Air, KLM, Air France, Qatar Airways, Korean Air, Virgin Atlantic, Aeromexico, Finnair, Air New Zealand
    Popular airlineAlaska Airlines
    Roundtrip price$84

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