BIL - KOA

$588 Find Cheap Flights from Billings to Kailua-Kona - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$588
Typical prices: $534-$728
Alaska Airlines
Fri 11/16Mon 11/19
BIL - KOA • 1 stop
When to travel
February
Cheapest • 20% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $487 (round-trip)
Denver Intl (DEN)
Shortest trip • 11h 21m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Billings to Kailua-Kona (BIL-KOA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billings to Kailua-Kona

Mon, Nov 16 - Thu, Nov 19
Alaska Airlines Logo
7:18 am - 2:28 pmBIL  Billings Logan Intl-KOA Kona Intl
10h 10m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 10:43 pmKOA  Kona Intl-BIL Billings Logan Intl
11h 43m1 stop Seattle/Tacoma Intl
$588Alaska Airlines
Sun, Feb 28 - Thu, Mar 4
Multiple Airlines Logo
3:44 pm - 6:49 amBIL  Billings Logan Intl-KOA Kona Intl
18h 05m2 stops Portland Honolulu
Multiple Airlines Logo
10:30 pm - 3:08 pmKOA  Kona Intl-BIL Billings Logan Intl
13h 38m1 stop Seattle/Tacoma Intl
$591Multiple Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
7:18 am - 2:28 pmBIL  Billings Logan Intl-KOA Kona Intl
10h 10m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:00 am - 10:43 pmKOA  Kona Intl-BIL Billings Logan Intl
13h 43m2 stops Honolulu Seattle/Tacoma Intl
$594Multiple Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
7:18 am - 4:19 pmBIL  Billings Logan Intl-KOA Kona Intl
12h 01m2 stops Seattle/Tacoma Intl Kahului
Multiple Airlines Logo
10:55 pm - 11:21 amKOA  Kona Intl-BIL Billings Logan Intl
9h 26m1 stop Seattle/Tacoma Intl
$594Multiple Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
7:18 am - 7:33 pmBIL  Billings Logan Intl-KOA Kona Intl
15h 15m2 stops Seattle/Tacoma Intl Honolulu
Multiple Airlines Logo
8:00 am - 10:43 pmKOA  Kona Intl-BIL Billings Logan Intl
11h 43m1 stop Seattle/Tacoma Intl
$594Multiple Airlines
Mon, Mar 1 - Fri, Mar 5
Alaska Airlines Logo
2:03 pm - 11:07 pmBIL  Billings Logan Intl-KOA Kona Intl
12h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:30 pm - 3:08 pmKOA  Kona Intl-BIL Billings Logan Intl
13h 38m1 stop Seattle/Tacoma Intl
$600Alaska Airlines
Mon, Nov 16 - Thu, Nov 19
Alaska Airlines Logo
7:18 am - 2:28 pmBIL  Billings Logan Intl-KOA Kona Intl
10h 10m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 10:43 pmKOA  Kona Intl-BIL Billings Logan Intl
11h 43m1 stop Seattle/Tacoma Intl
$608Alaska Airlines
Fri, Nov 13 - Tue, Nov 17
Alaska Airlines Logo
7:18 am - 2:28 pmBIL  Billings Logan Intl-KOA Kona Intl
10h 10m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:55 pm - 11:15 amKOA  Kona Intl-BIL Billings Logan Intl
9h 20m1 stop Seattle/Tacoma Intl
$706Alaska Airlines
Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
7:00 am - 8:32 pmBIL  Billings Logan Intl-KOA Kona Intl
16h 32m2 stops Denver Intl San Francisco
United Airlines Logo
11:59 pm - 9:14 pmKOA  Kona Intl-BIL Billings Logan Intl
18h 15m3 stops San Francisco Los Angeles Denver Intl
$872United Airlines
Thu, Dec 17 - Fri, Dec 25
United Airlines Logo
10:40 am - 8:45 pmBIL  Billings Logan Intl-KOA Kona Intl
13h 05m1 stop Denver Intl
United Airlines Logo
8:15 pm - 10:02 amKOA  Kona Intl-BIL Billings Logan Intl
10h 47m1 stop Denver Intl
$1,082United Airlines
Booking Insights

Price, demand and travel trends for Billings to Kailua-Kona flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Billings to Kailua-Kona?

Round-trip flights from Billings to Kailua-Kona typically range from $534 to $728. The lowest price found in the past 5 days was $588, on Alaska Airlines.

What's the cheapest day of the week to fly from Billings to Kailua-Kona?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Billings to Kailua-Kona. It’s 13% cheaper than the average day, while Sunday is the most expensive, with prices 74% higher.

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Key details for Billings to Kailua-Kona flights

Low season

June

Cheapest flight

$588
Beat the crowds with an average 93% drop in travelers.
The most popular month to fly with an average 76% increase in travelers.
Round-trip flight from Billings to Kailua-Kona

When to book flights from Billings to Kailua-Kona

Are your dates flexible? Find out the best times to travel from Billings to Kailua-Kona based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Billings to Kailua-Kona flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Billings to Kailua-Kona?

    Two cabin classes are available on flights from Billings to Kailua-Kona:

    • Economy Class
    • First Class

  • How long is a flight from Billings to Kailua-Kona?

    There are currently no nonstop flights available from Billings to Kailua-Kona. Flights with 1 layover take between 11h 21m and 12h 22m in total, depending on the connection.

  • Do I need a passport to fly from Billings to Kailua-Kona?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Billings to Kailua-Kona flight?

    Round-trip flights from Billings to Kailua-Kona range from $534 to $728, with an average of $618 over the past 12 months. Anything below $534 counts as a good deal.

  • Have flight prices from Billings to Kailua-Kona changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $588 to $1,424. That means the highest observed fare was about 2x higher than the lowest one.

  • What car rental options are available at Kona Intl Airport (KOA)?

    Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates averaging $67 for economy cars. Top options include:

    • Dollar
    • Thrifty
    • Budget
    • Hertz
    • Sixt

  • Which airports can I use when flying from Billings to Kailua-Kona?

    Flights from Billings to Kailua-Kona usually depart from Billings Logan Intl (BIL) and arrive at Kona Intl (KOA).

  • Which airports do connecting flights from Billings to Kailua-Kona pass through?

    One-stop flights from Billings to Kailua-Kona most commonly connect through:

    • Seattle/Tacoma Intl (SEA) - 57% of one-stop connections
    • Denver Intl (DEN) - 40% of one-stop connections
    • Salt Lake City (SLC) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Billings to Kailua-Kona?

    Yes. Flexible dates can save you up to 50% on flights from Billings to Kailua-Kona. Tuesday is the cheapest departure day at $541 round-trip on average, while Sunday is the most expensive at $1,081, a difference of $540.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Billings to Kailua-Kona?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 11h 21m, compared with 11h 52m via Seattle/Tacoma Intl (SEA) and 12h 22m via Salt Lake City (SLC).

  • What is the time difference between Billings and Kailua-Kona?

    Kailua-Kona is 4 hours behind Billings (Hawaii-Aleutian Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Billings to Kailua-Kona flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $541, about $540 less than Sunday fares (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Billings to Kailua-Kona trip for February. Fares historically average $493 round-trip in that month - typically $588 less than the most expensive month, which is August (based on the last 12 months).

More options for your flight from Billings to Kailua-Kona

Complete your trip to Kailua-Kona with a hotel stay or car rental

Car rentals in Kailua-Kona
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