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$222+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$406
(United Airlines)

One-way from

$222
(Delta)

Popular in

March

Cheapest in

August

Average price

$509

Good one-way deal

$324 or less
Provider with most accurate pricing for Kona Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Kona Intl-Chicago (CHI) flights.
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From Kona Intl to Illinois
Search Deals
One-way flight from Kona Intl to Illinois
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Highest demand for flights based on searches. 13% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($57 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 Kona Intl to Illinois.
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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 February 20, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/68:55 pmKOA - STL
1 stop11h 54mUnited Airlines
Mon 3/108:20 amSTL - KOA
2 stops16h 34mUnited Airlines
Deal found 2/19$406
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.
Tue 4/229:30 pmKOA - ORD
2 stops15h 00mDelta
Wed 4/307:50 amORD - KOA
1 stop14h 49mDelta
Deal found 2/20$489
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 4/229:33 pmKOA - ORD
1 stop27h 32mAlaska Airlines
Wed 4/306:00 amORD - KOA
1 stop21h 11mAlaska Airlines
Deal found 2/20$541
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.
Wed 5/211:47 pmKOA - ORD
1 stop11h 06mAmerican Airlines
Tue 6/35:38 pmORD - KOA
1 stop23h 39mAmerican Airlines
Deal found 2/19$682
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.
Fri 2/2810:00 amKOA - ORD
2 stops20h 00mSouthwest
Fri 3/76:00 amORD - KOA
2 stops16h 25mSouthwest
Deal found 2/20$708
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.
Tue 4/228:20 pmKOA - MDW
2 stops17h 00mDelta
Wed 4/309:20 amMDW - KOA
2 stops14h 22mDelta
Deal found 2/19$716
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:30 pmKOA - MDW
2 stops12h 30mSouthwest
Fri 5/238:00 amMDW - KOA
2 stops18h 20mSouthwest
Deal found 2/19$895

Find flights from Kailua-Kona to Illinois within your budget

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 February 20, 2025.

Fly from

Kailua-Kona

Fly to

Illinois

Route

Depart

Return

Price

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 3/6

8:55 pm-12:49 pm

1 stop11h 54m

Lambert-St Louis

Mon 3/10

8:20 am-7:54 pm

2 stops16h 34m

$406

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Tue 4/22

9:30 pm-5:30 pm

2 stops15h 00m

Chicago O'Hare Intl

Wed 4/30

7:50 am-5:39 pm

1 stop14h 49m

$489

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Tue 4/22

9:33 pm-6:05 am

1 stop27h 32m

Chicago O'Hare Intl

Wed 4/30

6:00 am-10:11 pm

1 stop21h 11m

$541

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Wed 5/21

1:47 pm-5:53 am

1 stop11h 06m

Chicago O'Hare Intl

Tue 6/3

5:38 pm-12:17 pm

1 stop23h 39m

$682

Kailua-KonaChicago

KOA - MDW

KOAMDW

Kona Intl

Tue 4/22

8:20 pm-6:20 pm

2 stops17h 00m

Chicago Midway

Wed 4/30

9:20 am-6:42 pm

2 stops14h 22m

$716

Kailua-KonaChicago

KOA - MDW

KOAMDW

Kona Intl

Mon 5/19

8:30 pm-2:00 pm

2 stops12h 30m

Chicago Midway

Fri 5/23

8:00 am-9:20 pm

2 stops18h 20m

$895

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 5/7

9:45 pm-5:59 pm

2 stops15h 14m

$222

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 5/7

1:47 pm-8:56 am

2 stops14h 09m

$246

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Sun 3/9

9:30 pm-9:47 pm

2 stops19h 17m

$285

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Fri 5/9

2:15 pm-9:59 pm

2 stops26h 44m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 15 results
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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.

Travel insights for flights from Kailua-Kona to Illinois

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

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 February 20, 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 February 20, 2025.
Read through reviews of airlines operating flights from Kailua-Kona to Illinois, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

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

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

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

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

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

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

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

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

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.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

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 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 Delta. According to our data, you can fly for as low as $222. Users have also found prices from $246 and $295 on American Airlines and Alaska Airlines, respectively.

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

    The most popular flight routes from Kailua-Kona to Illinois are Kona Intl - Chicago O'Hare Intl, Kona Intl - Chicago Midway and Kona Intl - Moline Quad-City.

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

    On average you can expect to pay $324 for a flight from Kailua-Kona to Illinois. The cheapest flight overall is $324 while the most popular route, (Kona Intl - Chicago O'Hare Intl) is currently priced at $484.

  • 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

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$220Average$574FlexibilityNo cancel feeOn-time75%
DeltaCheapest$222Average$491FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$392Average$677FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$399Average$586FlexibilityNo cancel feeOn-time71%
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