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Kailua-Kona

$519+ Cheap flights from Billings to Kailua-Kona (BIL - KOA)

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — KOA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Billings to Kailua-Kona

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Kailua-Kona (KOA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$835
(Delta)

Popular in

December

Cheapest in

February
From Billings Logan Intl to Kona Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($43 potential savings vs. average RT price).
Search Deals

Find flight deals from Billings to Kailua-Kona

Cheapest flights from Billings to Kailua-Kona
Explore the most affordable flight options available from Billings to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:35 pmBIL - KOA
2 stops23h 49mAlaska Airlines
Tue 12/168:00 amKOA - BIL
1 stop11h 43mAlaska Airlines
Deal found 7/27$519
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/65:20 amBIL - KOA
2 stops17h 40mDelta
Wed 8/138:41 pmKOA - BIL
2 stops22h 29mDelta
Deal found 7/28$835
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/137:00 amBIL - KOA
1 stop12h 19mUnited Airlines
Sun 8/1710:15 pmKOA - BIL
2 stops14h 59mUnited Airlines
Deal found 7/29$937
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:00 amBIL - KOA
3 stops15h 43mAmerican Airlines
Thu 8/149:40 pmKOA - BIL
2 stops19h 50mAmerican Airlines
Deal found 7/28$1,535

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Kailua-Kona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Billings to Kailua-Kona that are best for you.

Fly from

Billings

Fly to

Kailua-Kona

Route

Depart

Return

Price

BillingsKailua-Kona

BIL - KOA

BILKOA

Billings Logan Intl

Wed 8/6

5:20 am-7:00 pm

2 stops17h 40m

Kona Intl

Wed 8/13

8:41 pm-11:10 pm

2 stops22h 29m

$835

BillingsKailua-Kona

BIL - KOA

BILKOA

Billings Logan Intl

Wed 8/13

7:00 am-3:19 pm

1 stop12h 19m

Kona Intl

Sun 8/17

10:15 pm-5:14 pm

2 stops14h 59m

$937

BillingsKailua-Kona

BIL - KOA

BILKOA

Billings Logan Intl

Wed 8/13

6:00 am-10:04 pm

1 stop20h 04m

Kona Intl

Sun 8/17

8:00 am-12:08 am

1 stop12h 08m

$994

BillingsKailua-Kona

BIL - KOA

BILKOA

Billings Logan Intl

Thu 8/7

7:00 am-6:43 pm

3 stops15h 43m

Kona Intl

Thu 8/14

9:40 pm-9:30 pm

2 stops19h 50m

$1,535

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Billings to Kailua-Kona

Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Billings 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 Billings to Kailua-Kona

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

Find hourly flight availability from Billings to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Billings to Kailua-Kona as you normally would.

Reviews of airlines servicing Kailua-Kona

Get insights into the airlines that provide service to Kailua-Kona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kailua-Kona. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Billings to Kailua-Kona, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What are the cheapest airlines flying from Billings to Kailua-Kona round-trip?

    Our cheapest airline available from Billings to Kailua-Kona is Delta. Our recent data shows that you can find tickets from as low as $835 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $937 and $994 round-trip.

  • Can I find deals for flights from Billings to Kailua-Kona that include hotel bookings?

    Yes. In addition to deals on Billings to Kailua-Kona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Kailua-Kona?

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

  • Can I find deals for business class flights from Billings to Kailua-Kona?

    Yes. Cheapflights offers flight deals from Billings to Kailua-Kona 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 Billings to Kailua-Kona?

    Currently, October is the cheapest month in which you can book a flight from Billings to Kailua-Kona (average of $409). Flying from Billings to Kailua-Kona in June is currently the most expensive (average of $624). 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.

See more FAQs

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Top 2 airlines flying from Billings to Kailua-Kona

Discover the top 2 airlines that operate flights from Billings to Kailua-Kona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$402Average$574FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$408Average$584FlexibilityNo cancel feeOn-time75%

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