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Kailua-Kona

$205+ Cheap flights from Illinois to Kailua-Kona (KOA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Illinois to Kailua-Kona

Keep the following information in mind while searching for Illinois to Kailua-Kona flight deals. Data was last updated August 14, 2025.

Round-trip from

$408
(Alaska Airlines)

One-way from

$205
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$661
From Illinois to Kona Intl
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One-way flight from Illinois to Kona Intl
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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Illinois to Kailua-Kona

Cheapest flights from Illinois to Kailua-Kona
Explore the most affordable flight options available from Illinois to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Mon 10/277:59 pmORD - KOA
1 stop22h 44mAlaska Airlines
Tue 11/412:09 pmKOA - ORD
1 stop21h 45mAlaska Airlines
Deal found 8/12$408
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:25 amMDW - KOA
1 stop12h 15mSouthwest
Wed 11/199:15 pmKOA - MDW
1 stop10h 20mSouthwest
Deal found 8/12$409
This Hawaiian Airlines deal was found by Cheapflights users on 8/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/88:00 amORD - KOA
1 stop13h 00mHawaiian Airlines
Fri 9/1212:16 pmKOA - ORD
1 stop11h 44mHawaiian Airlines
Deal found 8/12$409
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 10/87:00 amORD - KOA
1 stop11h 58mAmerican Airlines
Wed 10/229:45 pmKOA - ORD
1 stop11h 30mAmerican Airlines
Deal found 8/12$410
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 11/165:17 amSTL - KOA
2 stops13h 45mAmerican Airlines
Thu 11/209:45 pmKOA - STL
1 stop11h 55mAmerican Airlines
Deal found 8/13$415
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/178:00 amORD - KOA
1 stop13h 44mAlaska Airlines
Wed 9/248:00 amKOA - ORD
1 stop11h 03mAlaska Airlines
Deal found 8/13$416
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 10/288:00 amORD - KOA
2 stops17h 27mAlaska Airlines
Tue 11/46:00 amKOA - ORD
2 stops14h 24mAlaska Airlines
Deal found 8/13$420
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/28:00 amORD - KOA
1 stop13h 00mAlaska Airlines
Wed 9/109:00 pmKOA - ORD
2 stops14h 49mAlaska Airlines
Deal found 8/12$421
This Delta deal was found by Cheapflights users on 8/12. 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.
Sun 9/217:10 amORD - KOA
1 stop15h 19mDelta
Tue 9/309:30 pmKOA - ORD
1 stop10h 50mDelta
Deal found 8/12$423
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 9/246:00 amSTL - KOA
2 stops14h 51mAlaska Airlines
Wed 10/88:00 amKOA - STL
1 stop11h 03mAlaska Airlines
Deal found 8/12$426
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 12/67:55 pmORD - KOA
2 stops24h 20mAlaska Airlines
Fri 12/128:47 amKOA - ORD
2 stops16h 17mAlaska Airlines
Deal found 8/13$426
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 11/107:00 amORD - KOA
1 stop32h 09mAlaska Airlines
Mon 11/179:00 pmKOA - ORD
2 stops15h 30mAlaska Airlines
Deal found 8/13$433

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 August 14, 2025.
Use the filters below to find and compare flights from Illinois to Kailua-Kona that are best for you.

Fly from

Illinois

Fly to

Kailua-Kona

Route

Depart

Return

Price

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 10/28

7:59 pm-1:43 pm

1 stop22h 44m

Kona Intl

Tue 11/4

12:09 pm-1:54 pm

1 stop21h 45m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 10/26

7:59 pm-1:43 pm

1 stop22h 44m

Kona Intl

Tue 11/4

12:09 pm-1:54 pm

1 stop21h 45m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 10/27

7:59 pm-1:43 pm

1 stop22h 44m

Kona Intl

Tue 11/4

12:09 pm-1:54 pm

1 stop21h 45m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 10/27

7:59 pm-1:43 pm

1 stop22h 44m

Kona Intl

Thu 11/13

12:09 pm-1:54 pm

1 stop21h 45m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 2/2

2:59 pm-2:46 pm

1 stop27h 47m

Kona Intl

Tue 2/10

12:00 pm-1:59 pm

1 stop21h 59m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sat 1/31

9:00 am-2:46 pm

1 stop33h 46m

Kona Intl

Tue 2/10

12:00 pm-1:59 pm

1 stop21h 59m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sat 12/6

7:55 pm-2:46 pm

1 stop22h 51m

Kona Intl

Fri 12/12

12:00 pm-1:59 pm

1 stop21h 59m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 9/8

8:00 am-4:00 pm

1 stop13h 00m

Kona Intl

Fri 9/12

12:16 pm-5:00 am

1 stop11h 44m

$409

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 11/9

8:47 am-4:18 pm

1 stop11h 31m

Kona Intl

Wed 11/19

8:55 pm-11:23 am

1 stop10h 28m

$409

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Sun 11/9

5:25 am-1:40 pm

1 stop12h 15m

Kona Intl

Wed 11/19

9:15 pm-11:35 am

1 stop10h 20m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 50 results
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Best time to book a flight from Illinois to Kailua-Kona

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

What is the cheapest month to book a flight from Illinois to Kailua-Kona?

Currently, October is the cheapest month in which you can book a flight from Illinois to Kailua-Kona (average of $409). Flying from Illinois 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.

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

Find hourly flight availability from Illinois 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 August 14, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 airport do you fly into for flights to Kailua-Kona from Illinois?

    Most people fly into Kona Intl (KOA) if they book a flight to Kailua-Kona from Illinois. Kona Intl is conveniently located just 7.7 mi from Kailua-Kona’s city center.

  • What are the cheapest airlines to fly from Illinois to Kailua-Kona one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $205. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Illinois to Kailua-Kona for a low price.

  • What are the most popular routes from Illinois to Kailua-Kona?

    Most travelers choose Chicago O'Hare Intl - Kona Intl, Chicago Midway - Kona Intl or Lambert-St Louis - Kona Intl when deciding on the best route from Illinois to Kailua-Kona.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Illinois to Kailua-Kona (average of $409). Flying from Illinois 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 6 airlines flying from Illinois to Kailua-Kona

Discover the top 6 airlines that operate flights from Illinois 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$411Average$703FlexibilityNo cancel feeOn-time71%
DeltaCheapest$421Average$609FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$444Average$662FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$501Average$886FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$535Average$728FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$547Average$705FlexibilityNo cancel feeOn-time63%

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