Cheap Flights from Billings to Boise

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      Travellers and cabin class, 1 Adult, Economy

      Compare Billings to Boise flight deals

      Find the cheapest month or even day of the year to fly to Boise

      Book the best Boise fare with no extra fees

      Flight deals from Billings to Boise

      Looking for a cheap last-minute deal or the best return flight from Billings Airport to Boise Airport? If you want to travel next month, return fares start from Rs106,649. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Billings to Boise

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Billings to Boise flights are currently cheapest in September.

      Billings to Boise: Alternative routes

      Compare routes from Billings to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

      Billings to Boise: Flight information

      The things to know before you go.
      Cheapest flight foundRs55,981
      Cheapest month to flySeptember

      Finding cheap flights from Billings to Boise: Frequently asked questions

      The best price we found for a return flight from Billings to Boise is Rs101,000. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Billings to Boise. But we found flights with one or more stops from Rs101,000.
      As of August 2026, there are no flights flying from Billings to Boise.
      The cheapest month to fly from Billings to Boise is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to Boise Airport on Wednesday, 7 October 2026.
      No airlines currently offer direct flights between Billings Airport and Boise Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Allegiant Air offers the cheapest flight tickets to Boise.

      Travelling from Billings Airport (BIL) to Boise Airport (BOI): what you need to know

      • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your BIL to BOI flight.

      • Flying during a peak month like September? Major public holidays and other high seasons can result in longer queues at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

      • If you want to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Billings Airport to Boise Airport. These are the top stopovers between BIL and BOI:

        • Denver International Airport

        • Phoenix Sky Harbour Airport

        • Salt Lake City Airport

      How to find the cheapest flights from Billings Airport (BIL) to Boise Airport (BOI)

      • Rs56,081 is currently the lowest price for a one-way Billings Airport to Boise Airport flight. A return flight starts at Rs101,000. These fares may change depending on availability and demand.

      • To find cheap tickets from BIL to BOI, book early. Airlines typically offer their best fares when flights are first released.

      • The 'Whole month' search function shows you the cheapest flights from Billings Airport to Boise Airport throughout the entire month. It's a good way to find a bargain if your travel dates are flexible.

      • You won't have to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from BIL to BOI.

      • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Billings Airport to Boise Airport.

      Handy information about Billings Airport (BIL)

      • The address for BIL is 1901 Terminal Circle, Room 216.

      • Billings Airport has an excellent on-time performance, reducing the likelihood of delays. Departures from BIL arrive on schedule 84% of the time.

      • Central Billings to Billings Airport is around 10 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're ride-sharing, catching a taxi or driving.

      • Catching public transport? Expect a trip time of around 30 minutes.

      • Searching for a handy hotel close to BIL? If you're catching an early flight from Billings Airport to Boise Airport, these accommodation options will have you sleeping moments from check-in:

      Arriving at Boise Airport (BOI)

      When to fly to Boise Airport (BOI)

      • October is the most popular month for flights from Billings Airport to Boise Airport. For smaller crowds, head to Boise in March.

      • Book your flight from Billings Airport to Boise Airport for July if you want to visit Boise during its warmest month. You can expect temperatures of between 15ºC and 35ºC.

      • January has average temperatures of between -11ºC and 5ºC. Search for cheap tickets from BIL to BOI sometime around then if you want to travel when it's cooler.

      Explore more of the United States

      • Spokane is just one of the many places in the United States waiting to be explored once you've taken in the sights of Boise. Around 467 kilometres away to the north, its top attractions include Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

      • Around 483 kilometres south-east of Boise, Salt Lake City is another favourite stop in the United States. No visit is complete without checking out Salt Lake Utah Temple, Temple Square and Salt Lake City Tabernacle.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.