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Kailua-Kona

$283+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$406
(American Airlines)

One-way from

$283
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$631

Good one-way deal

$614 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
Search Deals
One-way flight from Illinois to Kona Intl
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Highest demand for flights based on searches. 4% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/216:15 amSTL - KOA
1 stop10h 57mAmerican Airlines
Mon 4/289:16 pmKOA - STL
2 stops14h 20mAmerican Airlines
Deal found 2/19$418
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 10/182:55 pmSTL - KOA
1 stop11h 40mHawaiian Airlines
Fri 10/248:00 amKOA - STL
1 stop10h 56mHawaiian Airlines
Deal found 2/19$452
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 10/182:55 pmSTL - KOA
1 stop11h 40mAlaska Airlines
Fri 10/247:05 pmKOA - STL
2 stops13h 47mAlaska Airlines
Deal found 2/19$457
This Delta deal was found by Cheapflights users on 2/19. 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 11/168:55 amSTL - KOA
2 stops14h 30mDelta
Thu 11/2010:45 pmKOA - STL
2 stops15h 18mDelta
Deal found 2/19$554
This American Airlines deal was found by Cheapflights users on 2/20. 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 5/67:12 amORD - KOA
1 stop12h 25mAmerican Airlines
Thu 5/151:47 pmKOA - ORD
1 stop11h 06mAmerican Airlines
Deal found 2/20$557
This Delta deal was found by Cheapflights users on 2/20. 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 4/287:50 amORD - KOA
2 stops15h 52mDelta
Fri 5/29:30 pmKOA - ORD
2 stops18h 46mDelta
Deal found 2/20$561
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 2/252:00 pmORD - KOA
1 stop31h 14mAlaska Airlines
Wed 3/511:02 pmKOA - ORD
1 stop26h 51mAlaska Airlines
Deal found 2/20$592
This United Airlines deal was found by Cheapflights users on 2/20. 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 7/96:09 amSTL - KOA
1 stop10h 17mUnited Airlines
Mon 7/1410:15 pmKOA - STL
2 stops15h 39mUnited Airlines
Deal found 2/20$606
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Fri 10/102:00 pmORD - KOA
1 stop12h 35mHawaiian Airlines
Tue 10/1412:50 pmKOA - ORD
1 stop11h 14mHawaiian Airlines
Deal found 2/20$620
This Trip.com deal was found by Cheapflights users on 2/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:45 amORD - KOA
1 stop12h 29mMultiple Airlines
Fri 10/1712:50 pmKOA - ORD
1 stop11h 14mMultiple Airlines
Deal found 2/20$638
This Southwest deal was found by Cheapflights users on 2/20. 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.
Tue 9/236:10 amMDW - KOA
1 stop11h 00mSouthwest
Sun 9/288:30 pmKOA - MDW
1 stop10h 15mSouthwest
Deal found 2/20$643
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2112:15 pmSTL - KOA
3 stops38h 56mMultiple Airlines
Mon 4/288:51 amKOA - STL
3 stops27h 25mMultiple Airlines
Deal found 2/19$697

Find flights from Illinois to Kailua-Kona within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Kailua-Kona

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/21

6:15 am-12:12 pm

1 stop10h 57m

Kona Intl

Mon 4/28

9:16 pm-4:36 pm

2 stops14h 20m

$418

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 5/6

7:12 am-2:37 pm

1 stop12h 25m

Kona Intl

Thu 5/15

1:47 pm-5:53 am

1 stop11h 06m

$557

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/21

6:00 am-5:39 pm

2 stops16h 39m

Kona Intl

Mon 4/28

8:20 pm-4:52 pm

2 stops15h 32m

$559

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 4/28

7:50 am-6:42 pm

2 stops15h 52m

Kona Intl

Fri 5/2

9:30 pm-9:16 pm

2 stops18h 46m

$561

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 7/9

6:09 am-11:26 am

1 stop10h 17m

Kona Intl

Mon 7/14

10:15 pm-6:54 pm

2 stops15h 39m

$606

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Thu 5/15

6:00 am-10:15 pm

1 stop21h 15m

Kona Intl

Tue 5/20

8:00 am-5:40 am

1 stop16h 40m

$613

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Mon 4/28

9:20 pm-12:10 pm

2 stops19h 50m

Kona Intl

Fri 5/9

8:30 pm-12:55 pm

2 stops11h 25m

$641

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 4/6

2:34 pm-1:52 pm

2 stops28h 18m

Kona Intl

Sun 4/13

11:25 am-7:40 am

3 stops39h 15m

$657

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Fri 5/2

10:20 am-6:42 pm

2 stops13h 22m

Kona Intl

Wed 5/7

8:40 pm-6:30 pm

2 stops16h 50m

$684

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 4/21

12:15 pm-10:11 pm

3 stops38h 56m

Kona Intl

Mon 4/28

8:51 am-5:16 pm

3 stops27h 25m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 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.

Travel insights for flights from Illinois to Kailua-Kona

Get recent, data-driven insights about flights from Illinois to Kailua-Kona including ideal travel times, pricing trends, and more.

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 $621). 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 February 20, 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.

Rainfall in Kailua-Kona by month

Plan your trip to Kailua-Kona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kailua-Kona ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Kailua-Kona when rainfall is around 1.6 in.

Temperature in Kailua-Kona by month

Plan your trip to Kailua-Kona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kailua-Kona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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 February 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Illinois to Kailua-Kona. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Food

7.1

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $283. However, be on the lookout for offers from Southwest 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, Chicago Midway - Kona Intl or Lambert-St Louis - 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 $593. On average you can expect to pay $614. The most popular route, (Chicago O'Hare Intl - Kona Intl), can usually be booked for $520.

  • 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 $621). 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$580FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$412Average$645FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$415Average$1,126FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$445Average$801FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$501Average$1,002FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$593Average$638FlexibilityNo cancel feeOn-time63%
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