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Kailua-Kona

$211+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
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 June 26, 2025.

Round-trip from

$427
(American Airlines)

One-way from

$211
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$822
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. 3% potential increase in price ($24 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 June 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 June 26, 2025.

This American Airlines deal was found by Cheapflights users on 6/25. 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 11/166:15 amSTL - KOA
1 stop12h 49mAmerican Airlines
Thu 11/206:30 pmKOA - STL
1 stop13h 14mAmerican Airlines
Deal found 6/25$421
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 7/116:00 amSTL - KOA
1 stop10h 31mUnited Airlines
Tue 7/157:40 pmKOA - STL
1 stop12h 06mUnited Airlines
Deal found 6/25$441
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 9/143:35 pmSTL - KOA
1 stop11h 34mAlaska Airlines
Thu 9/189:32 pmKOA - STL
1 stop12h 07mAlaska Airlines
Deal found 6/24$443
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 10/148:20 amORD - KOA
1 stop33h 09mAlaska Airlines
Tue 10/2112:07 pmKOA - ORD
1 stop30h 52mAlaska Airlines
Deal found 6/25$463
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Tue 9/26:00 amORD - KOA
1 stop12h 29mAmerican Airlines
Tue 9/99:55 pmKOA - ORD
1 stop11h 13mAmerican Airlines
Deal found 6/26$465
This Southwest deal was found by Cheapflights users on 6/25. 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.
Wed 9/176:10 amMDW - KOA
1 stop11h 00mSouthwest
Wed 9/248:30 pmKOA - MDW
2 stops18h 20mSouthwest
Deal found 6/25$470
This Southwest deal was found by Cheapflights users on 6/24. 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.
Mon 10/207:15 amSTL - KOA
1 stop10h 45mSouthwest
Fri 10/248:30 pmKOA - STL
2 stops13h 25mSouthwest
Deal found 6/24$482
This Delta deal was found by Cheapflights users on 6/24. 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.
Mon 9/17:15 amORD - KOA
1 stop15h 19mDelta
Thu 9/119:45 pmKOA - ORD
1 stop10h 43mDelta
Deal found 6/24$509
This Southwest deal was found by Cheapflights users on 6/25. 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.
Thu 9/46:15 amORD - KOA
1 stop10h 55mSouthwest
Fri 9/128:30 pmKOA - ORD
2 stops15h 15mSouthwest
Deal found 6/25$514
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:18 pmORD - KOA
1 stop19h 12mHawaiian Airlines
Mon 8/258:00 amKOA - ORD
1 stop18h 03mHawaiian Airlines
Deal found 6/24$517
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Tue 8/127:10 amORD - KOA
1 stop13h 09mUnited Airlines
Tue 8/127:40 pmKOA - ORD
1 stop10h 45mUnited Airlines
Deal found 6/26$548
This Delta deal was found by Cheapflights users on 6/24. 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.
Sat 11/155:00 pmMLI - KOA
2 stops30h 40mDelta
Mon 11/179:40 pmKOA - MLI
2 stops20h 50mDelta
Deal found 6/24$592

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 June 26, 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

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 8/19

6:45 am-1:29 pm

1 stop11h 44m

Kona Intl

Tue 8/26

2:59 pm-9:00 am

2 stops13h 01m

$427

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 7/11

6:00 am-11:31 am

1 stop10h 31m

Kona Intl

Tue 7/15

7:40 pm-12:46 pm

1 stop12h 06m

$441

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 9/14

3:35 pm-10:09 pm

1 stop11h 34m

Kona Intl

Thu 9/18

9:32 pm-2:39 pm

1 stop12h 07m

$443

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 10/14

8:20 am-12:29 pm

1 stop33h 09m

Kona Intl

Tue 10/21

12:07 pm-11:59 pm

1 stop30h 52m

$463

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 9/2

6:00 am-1:29 pm

1 stop12h 29m

Kona Intl

Tue 9/9

9:55 pm-2:08 pm

1 stop11h 13m

$465

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Wed 9/17

6:10 am-12:10 pm

1 stop11h 00m

Kona Intl

Wed 9/24

8:30 pm-7:50 pm

2 stops18h 20m

$470

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 9/1

7:15 am-5:34 pm

1 stop15h 19m

Kona Intl

Wed 9/10

9:47 pm-1:28 pm

1 stop10h 41m

$509

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Thu 9/4

6:15 am-12:10 pm

1 stop10h 55m

Kona Intl

Fri 9/12

8:30 pm-4:45 pm

2 stops15h 15m

$514

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 8/18

7:18 pm-9:30 am

1 stop19h 12m

Kona Intl

Mon 8/25

8:00 am-7:03 am

1 stop18h 03m

$517

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 8/12

7:10 am-3:19 pm

1 stop13h 09m

Kona Intl

Tue 8/12

7:40 pm-11:25 am

1 stop10h 45m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 29 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 June 26, 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.

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 June 26, 2025.
Read through reviews of airlines operating flights from Illinois to Kailua-Kona, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,522 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 United Airlines, with whom users have recently found tickets for as low as $211. However, be on the lookout for offers from Alaska Airlines and Hawaiian 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, 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$364Average$571FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$414Average$1,130FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$416Average$648FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$509Average$892FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$535Average$681FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$547Average$705FlexibilityNo cancel feeOn-time63%

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