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Kailua-Kona

$190+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$391
(Alaska Airlines)

One-way from

$190
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$651

Good one-way deal

$582 or less
Provider with most accurate pricing for Chicago (CHI)-Kona Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Kona Intl flights.
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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. 11% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Illinois to Kona Intl.
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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 October 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/93:05 pmORD - KOA
1 stop28h 55mAlaska Airlines
Tue 12/162:20 pmKOA - ORD
1 stop25h 34mAlaska Airlines
Deal found 10/27$391
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:55 amORD - KOA
1 stop11h 05mAlaska Airlines
Wed 12/172:20 pmKOA - ORD
1 stop25h 42mAlaska Airlines
Deal found 10/29$392
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/108:55 amORD - KOA
1 stop11h 05mAlaska Airlines
Tue 12/162:20 pmKOA - ORD
1 stop25h 34mAlaska Airlines
Deal found 10/27$403
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:20 amORD - KOA
2 stops26h 06mAlaska Airlines
Thu 12/42:20 pmKOA - ORD
1 stop19h 49mAlaska Airlines
Deal found 10/28$409
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:55 amORD - KOA
1 stop11h 05mAlaska Airlines
Fri 12/192:25 pmKOA - ORD
1 stop29h 34mAlaska Airlines
Deal found 10/29$412
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/88:59 pmORD - KOA
1 stop23h 01mAlaska Airlines
Tue 12/166:56 pmKOA - ORD
2 stops15h 13mAlaska Airlines
Deal found 10/27$418
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/93:05 pmORD - KOA
1 stop28h 55mAlaska Airlines
Fri 12/192:25 pmKOA - ORD
1 stop25h 37mAlaska Airlines
Deal found 10/27$421
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:50 amORD - KOA
1 stop14h 30mDelta
Mon 12/159:30 pmKOA - ORD
2 stops15h 27mDelta
Deal found 10/27$428
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/78:59 pmORD - KOA
1 stop23h 01mAlaska Airlines
Sun 12/142:20 pmKOA - ORD
1 stop25h 34mAlaska Airlines
Deal found 10/27$433
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/167:00 amSTL - KOA
1 stop12h 02mAmerican Airlines
Thu 11/206:25 pmKOA - STL
1 stop10h 31mAmerican Airlines
Deal found 10/30$461
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:34 amSTL - KOA
2 stops16h 51mDelta
Thu 11/208:30 pmKOA - STL
2 stops16h 39mDelta
Deal found 10/29$463
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/147:21 amSTL - KOA
1 stop13h 26mAmerican Airlines
Tue 11/189:35 pmKOA - STL
1 stop12h 05mAmerican Airlines
Deal found 10/30$481

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 October 30, 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

Thu 11/27

8:20 am-6:26 am

2 stops26h 06m

Kona Intl

Thu 12/4

2:20 pm-2:09 pm

1 stop19h 49m

$409

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 1/9

7:00 am-6:47 pm

2 stops15h 47m

Kona Intl

Sun 1/25

8:45 pm-2:38 pm

2 stops13h 53m

$414

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 1/9

7:00 am-6:47 pm

2 stops15h 47m

Kona Intl

Fri 1/23

8:45 pm-4:39 pm

2 stops15h 54m

$414

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 1/11

3:49 pm-4:00 pm

2 stops28h 11m

Kona Intl

Thu 1/22

6:00 am-11:37 pm

2 stops13h 37m

$414

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 1/28

9:00 am-9:30 pm

2 stops16h 30m

Kona Intl

Mon 2/2

6:38 pm-2:29 pm

2 stops15h 51m

$436

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 2/18

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

Wed 2/25

12:00 pm-1:52 pm

2 stops21h 52m

$464

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 3/3

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

Thu 3/5

7:13 pm-1:52 pm

2 stops14h 39m

$466

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/2

2:50 pm-3:27 pm

2 stops28h 37m

Kona Intl

Thu 2/12

7:55 pm-11:56 pm

2 stops24h 01m

$471

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 2/18

6:30 am-6:54 pm

2 stops16h 24m

Kona Intl

Wed 2/25

10:55 pm-6:04 pm

2 stops15h 09m

$472

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/28

7:00 am-7:12 pm

2 stops17h 12m

Kona Intl

Tue 5/5

8:48 pm-11:55 pm

2 stops22h 07m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 51 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, January is the cheapest month in which you can book a flight from Illinois to Kailua-Kona (average of $420). Flying from Illinois to Kailua-Kona in July is currently the most expensive (average of $667). 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Kailua-Kona in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

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.

  • How long is the flight from Illinois to Kailua-Kona?

    Airlines like Alaska Airlines and Delta fly from Illinois to Kailua-Kona in about 15h 47m. The time it takes to get you to your destination can typically vary by up to 10h 19m. The distance from Illinois to Kailua-Kona is about 4080 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $190. However, be on the lookout for offers from Delta and American Airlines, 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, Lambert-St Louis - Kona Intl or Chicago Midway - Kona Intl when deciding on the best route from Illinois to Kailua-Kona.

  • What are the cheapest flights from Illinois to Kailua-Kona?

    The cheapest flight price from Illinois to Kailua-Kona is $582. On average you can expect to pay $582. The most popular route, (Chicago O'Hare Intl - Kona Intl), can usually be booked for $424.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Kailua-Kona (average of $420). Flying from Illinois to Kailua-Kona in July is currently the most expensive (average of $667). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$371Average$668FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$429Average$651FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$441Average$663FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$447Average$738FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$467Average$736FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$593Average$717FlexibilityNo cancel feeOn-time63%

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