Illinois

$274+ Cheap flights from Kailua-Kona (KOA) to Illinois

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — ORD
abr. 22 — abr. 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kailua-Kona to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kailua-Kona to Illinois

Keep the following information in mind while searching for Kailua-Kona to Illinois flight deals. Data was last updated abril 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(Alaska Airlines)

One-way from

$274
(American Airlines)

Popular in

March

Cheapest in

August

Good one-way deal

$708 or less
Provider with most accurate pricing for Kona Intl-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Kona Intl-Chicago (CHI) flights.
From Kona Intl to Illinois
One-way flight from Kona Intl to Illinois
Highest demand for flights based on searches. 29% potential increase in price ($280 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($61 potential savings vs. average RT price).
Price to beat on a one-way flight from Kona Intl to Illinois.

Find flight deals from Kailua-Kona to Illinois

Cheapest flights from Kailua-Kona to Illinois
Explore the most affordable flight options available from Kailua-Kona to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
mié. 10/18:00 amKOA - STL
1 stop10h 59mAlaska Airlines
mar. 11/112:55 pmSTL - KOA
1 stop11h 40mAlaska Airlines
Deal found 4/17$421
This Delta deal was found by Cheapflights users on 4/16. 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.
mar. 8/269:45 pmKOA - STL
2 stops15h 18mDelta
sáb. 9/66:00 amSTL - KOA
2 stops17h 25mDelta
Deal found 4/16$432
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
jue. 8/2812:13 pmKOA - ORD
1 stop11h 51mAlaska Airlines
dom. 9/76:24 amORD - KOA
1 stop14h 00mAlaska Airlines
Deal found 4/16$467
This American Airlines deal was found by Cheapflights users on 4/17. 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.
lun. 8/259:31 pmKOA - STL
2 stops13h 37mAmerican Airlines
vie. 9/57:00 amSTL - KOA
1 stop10h 13mAmerican Airlines
Deal found 4/17$467
This Delta deal was found by Cheapflights users on 4/16. 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.
mar. 9/29:45 pmKOA - ORD
1 stop10h 39mDelta
mié. 9/107:30 amORD - KOA
1 stop15h 14mDelta
Deal found 4/16$495
This Delta deal was found by Cheapflights users on 4/16. 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.
mar. 5/208:38 pmKOA - MDW
2 stops16h 07mDelta
mar. 6/39:20 amMDW - KOA
2 stops14h 50mDelta
Deal found 4/16$542
This United Airlines deal was found by Cheapflights users on 4/16. 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.
mar. 8/2611:00 pmKOA - STL
1 stop12h 46mUnited Airlines
mar. 9/28:10 amSTL - KOA
2 stops16h 14mUnited Airlines
Deal found 4/16$566
This Southwest deal was found by Cheapflights users on 4/17. 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.
jue. 5/88:30 pmKOA - MDW
1 stop13h 05mSouthwest
mié. 5/149:25 pmMDW - KOA
2 stops19h 45mSouthwest
Deal found 4/17$665
This American Airlines deal was found by Cheapflights users on 4/16. 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.
vie. 6/139:25 pmKOA - ORD
1 stop10h 17mAmerican Airlines
mar. 7/227:16 amORD - KOA
1 stop11h 47mAmerican Airlines
Deal found 4/16$684

Cheapflights Fare Finder

Customize your flight search to find flights from Kailua-Kona to Illinois 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 abril 17, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Illinois that are best for you.

Fly from

Kailua-Kona

Fly to

Illinois

Route

Depart

Return

Price

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

jue. 8/28

12:13 pm-5:04 am

1 stop11h 51m

Chicago O'Hare Intl

dom. 9/7

6:24 am-3:24 pm

1 stop14h 00m

$467

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

mar. 9/2

9:45 pm-1:24 pm

1 stop10h 39m

Chicago O'Hare Intl

lun. 9/8

7:30 am-5:44 pm

1 stop15h 14m

$495

Kailua-KonaChicago

KOA - MDW

KOAMDW

Kona Intl

mar. 5/20

8:38 pm-5:45 pm

2 stops16h 07m

Chicago Midway

mar. 6/3

9:20 am-7:10 pm

2 stops14h 50m

$542

Kailua-KonaChicago

KOA - MDW

KOAMDW

Kona Intl

jue. 5/8

8:30 pm-2:35 pm

1 stop13h 05m

Chicago Midway

mié. 5/14

9:25 pm-12:10 pm

2 stops19h 45m

$665

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

vie. 6/13

9:25 pm-12:42 pm

1 stop10h 17m

Chicago O'Hare Intl

mar. 7/22

7:16 am-2:03 pm

1 stop11h 47m

$684

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

dom. 6/15

3:25 pm-9:18 am

2 stops12h 53m

Lambert-St Louis

vie. 6/20

7:45 am-2:24 pm

1 stop11h 39m

$775

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

dom. 6/15

7:40 pm-4:53 pm

2 stops16h 13m

Lambert-St Louis

mié. 6/18

5:20 am-3:19 pm

1 stop14h 59m

$798

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

dom. 6/15

9:40 pm-9:34 pm

2 stops18h 54m

Lambert-St Louis

mié. 6/18

6:30 am-6:59 pm

2 stops17h 29m

$823

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

sáb. 5/24

9:10 pm-11:58 pm

1 stop21h 48m

$274

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

jue. 5/8

9:39 pm-1:30 pm

1 stop10h 51m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 19 results
1
2

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

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

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

Currently, August is the cheapest month in which you can book a flight from Kailua-Kona to Illinois (average of $245). Flying from Kailua-Kona to Illinois in March is currently the most expensive (average of $321). 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 KOA to IL?

Find hourly flight availability from Kailua-Kona to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated abril 17, 2025.
Read through reviews of airlines operating flights from Kailua-Kona to Illinois, such as Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Illinois. 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 from for flights from Kailua-Kona to Illinois?

    If you book a flight to Illinois from Kailua-Kona, you will be flying from Kona Intl, which is the city’s only airport. Kona Intl (KOA) is located 7.7 mi from the center of Kailua-Kona.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $274. Users have also found prices from $286 and $286 on Delta and United Airlines, respectively.

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

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

    On average you can expect to pay $808 for a flight from Kailua-Kona to Illinois. The cheapest flight overall is $543 while the most popular route, (Kona Intl - Chicago O'Hare Intl) is currently priced at $553.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Kailua-Kona to Illinois (average of $245). Flying from Kailua-Kona to Illinois in March is currently the most expensive (average of $321). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kailua-Kona to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Kailua-Kona to Illinois

Discover the top 4 airlines that operate flights from Kailua-Kona to Illinois. 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$220Average$574FlexibilityNo cancel feeOn-time75%
DeltaCheapest$222Average$511FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$392Average$635FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$399Average$615FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.