Cheap flights from Billings to Kona

Compare Billings to Kona flight deals

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

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Flight deals from Billings to Kona

Looking for a cheap last-minute deal or the best round-trip flight from Billings Airport to Kona Airport? If you want to travel next month, round-trip fares start from $640. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Billings to Kona

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

Billings to Kona: Alternative routes

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

Billings to Kailua-Kona: Flight information

The things to know before you go.
Cheapest flight found$563
Cheapest month to flySeptember

Finding cheap flights from Billings to Kona: Frequently asked questions

The best price we found for a round-trip flight from Billings to Kona is $563. 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 Kona. But we found flights with one or more stops from $563.
There are no flights flying from Billings to Kona, as of June 2026.
The cheapest month to fly from Billings to Kona is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to Kona Airport on Tuesday, September 22, 2026.
No airlines currently offer direct flights between Billings Airport and Kona 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 Kona 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 Kailua-Kona is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines offers the cheapest flight tickets to Kona.

Flying from Billings Airport (BIL) to Kona Airport (KOA): what you need to know

  • The timezone in Kailua-Kona is UTC-10, which is three hours behind Billings.

  • Your BIL to KOA flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • You can expect bigger queues during popular months such as September. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Billings Airport to Kona Airport. Here are the top stopovers between BIL and KOA:

    • Denver International Airport

    • Los Angeles International Airport

    • Phoenix Sky Harbor Airport

How to find the cheapest flights from Billings Airport (BIL) to Kona Airport (KOA)

  • $437 is the lowest price for a one-way Billings Airport to Kona Airport flight. A return flight starts from $563. These fares may change based on availability and demand.

  • To pick up cheap tickets from BIL to KOA, book as early as you can. Airlines usually offer the most competitive fares when flights are first released.

  • The 'Whole month' search tool shows you the cheapest flights from Billings Airport to Kona Airport across the entire month. It's a good way to find a bargain if your travel dates aren't set in stone.

  • Picking up cheap flights from BIL to KOA is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

  • Lock in the ideal flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Billings Airport to Kona Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Billings Airport (BIL)

  • You'll find BIL at 1901 Terminal Circle, Room 216.

  • Billings Airport has a strong on-time record, reducing the likelihood of delays. Departures from BIL arrive at their destination as scheduled 84% of the time.

  • To get to Billings Airport from central Billings, it takes around 15 minutes if you're planning to drive. This depends on traffic, however. It's approximately 10 kilometers from the airport to the city center.

  • You can expect a journey time of about 30 minutes when using public transport.

  • Looking for a convenient hotel near BIL? If you're catching an early flight from Billings Airport to Kona Airport, these accommodation options will put you moments from your departure gate:

Arriving at Kona Airport (KOA)

  • Consider a stay at Banyan Tree Sanctuary Guest House after arriving from your Billings Airport to Kona Airport flight. It's not too far from KOA and a comfy option if you want to relax as soon as possible.

  • Pick up a Kona Airport rental car and discover Kailua-Kona and beyond with your own set of wheels. Dollar, Hertz and Thrifty are popular outlets to choose from here.

  • Reserving your ride from Kona Airport about one week in advance increases your chances of getting a good deal.

When to fly to Kona Airport (KOA)

  • The quietest month for a flight from Billings Airport to Kona Airport is March, while July is the most popular. Pick the ideal time to go to Kailua-Kona based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from Billings Airport to Kona Airport, consider the type of weather you like. August is the warmest month in Kailua-Kona, with temperatures ranging from 17ºC (63ºF) to 25ºC (77ºF).

  • January has average temperatures of between 13ºC (55ºF) and 21ºC (70ºF). Look for cheap tickets from BIL to KOA around that time if you want to travel in cooler conditions.

Explore more of the United States

  • You've seen Kailua-Kona, now it's time to discover other corners of the United States. Journey around 274 kilometers north-west to Honolulu to check off its leading sights. From Pacific Ocean to Waikiki Beach and Pearl Harbor, you'll have a full itinerary ahead.

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