HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kailua-Kona

$201+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Kailua-Kona 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 Illinois to Kailua-Kona

Keep the following information in mind while searching for Illinois to Kailua-Kona flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$401
(United Airlines)

One-way from

$201
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$951

Good round-trip deal

$1,337 or less
Provider with most accurate pricing for Chicago (CHI)-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Kona Intl flights.
Search Deals
From Illinois to Kona Intl
Search Deals
One-way flight from Illinois to Kona Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Kona Intl.
Search Deals

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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/68:48 amSTL - KOA
1 stop11h 47mUnited Airlines
Tue 5/1311:04 pmKOA - STL
1 stop12h 48mUnited Airlines
Deal found 3/27$401
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:52 amSTL - KOA
1 stop10h 25mAmerican Airlines
Mon 5/121:47 pmKOA - STL
2 stops14h 12mAmerican Airlines
Deal found 3/27$406
This Delta deal was found by Cheapflights users on 3/27. 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 9/97:20 amSTL - KOA
2 stops16h 05mDelta
Mon 9/159:45 pmKOA - STL
2 stops15h 18mDelta
Deal found 3/27$433
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 10/27:36 pmSTL - KOA
1 stop20h 37mAlaska Airlines
Wed 10/88:00 amKOA - STL
1 stop10h 56mAlaska Airlines
Deal found 3/27$452
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 4/307:50 amORD - KOA
1 stop14h 49mDelta
Tue 5/68:20 pmKOA - ORD
1 stop12h 10mDelta
Deal found 3/27$489
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/309:00 amORD - KOA
1 stop18h 11mAlaska Airlines
Tue 5/69:00 pmKOA - ORD
2 stops16h 01mAlaska Airlines
Deal found 3/27$494
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:00 amORD - KOA
2 stops14h 37mAmerican Airlines
Tue 5/131:47 pmKOA - ORD
1 stop10h 23mAmerican Airlines
Deal found 3/27$498
This Delta deal was found by Cheapflights users on 3/27. 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.
Mon 5/59:20 amMDW - KOA
2 stops14h 22mDelta
Wed 5/149:39 pmKOA - MDW
2 stops16h 06mDelta
Deal found 3/27$574
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:05 amMDW - KOA
1 stop10h 50mSouthwest
Wed 5/148:30 pmKOA - MDW
1 stop11h 45mSouthwest
Deal found 3/27$608
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/286:00 amORD - KOA
2 stops18h 55mSouthwest
Fri 4/46:00 amKOA - ORD
2 stops12h 55mSouthwest
Deal found 3/27$744
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 5/146:32 pmMLI - KOA
2 stops25h 05mAmerican Airlines
Sun 5/181:47 pmKOA - MLI
2 stops20h 07mAmerican Airlines
Deal found 3/26$781
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 5/148:53 amMLI - KOA
1 stop11h 42mUnited Airlines
Sun 5/1811:04 pmKOA - MLI
2 stops30h 07mUnited Airlines
Deal found 3/26$895

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 March 28, 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 5/6

8:48 am-3:35 pm

1 stop11h 47m

Kona Intl

Tue 5/13

11:04 pm-4:52 pm

1 stop12h 48m

$401

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 5/5

6:52 am-12:17 pm

1 stop10h 25m

Kona Intl

Mon 5/12

1:47 pm-8:59 am

2 stops14h 12m

$406

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 9/9

7:20 am-6:25 pm

2 stops16h 05m

Kona Intl

Mon 9/15

9:45 pm-6:03 pm

2 stops15h 18m

$433

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 4/30

7:50 am-5:39 pm

1 stop14h 49m

Kona Intl

Tue 5/6

8:20 pm-1:30 pm

1 stop12h 10m

$489

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 4/30

9:00 am-10:11 pm

1 stop18h 11m

Kona Intl

Tue 5/6

9:00 pm-6:01 pm

2 stops16h 01m

$494

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 5/6

5:00 am-2:37 pm

2 stops14h 37m

Kona Intl

Tue 5/13

1:47 pm-5:10 am

1 stop10h 23m

$498

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 9/8

3:17 pm-10:09 pm

1 stop11h 52m

Kona Intl

Thu 9/18

8:00 am-11:59 pm

1 stop10h 59m

$522

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Mon 5/5

9:20 am-6:42 pm

2 stops14h 22m

Kona Intl

Wed 5/14

9:39 pm-6:45 pm

2 stops16h 06m

$574

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Mon 5/5

7:05 am-12:55 pm

1 stop10h 50m

Kona Intl

Wed 5/14

8:30 pm-1:15 pm

1 stop11h 45m

$608

MolineKailua-Kona

MLI - KOA

MLIKOA

Moline Quad-City

Wed 5/14

6:32 pm-2:37 pm

2 stops25h 05m

Kona Intl

Sun 5/18

1:47 pm-2:54 pm

2 stops20h 07m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 21 results
1
2
3

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 March 28, 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 March 28, 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
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 American Airlines, with whom users have recently found tickets for as low as $201. However, be on the lookout for offers from Delta and Alaska 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 $1,207. On average you can expect to pay $1,383. The most popular route, (Chicago O'Hare Intl - Kona Intl), can usually be booked for $489.

  • 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

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 Illinois to Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Honolulu flights
John F Kennedy Intl to Honolulu flights
San Francisco to Honolulu flights
Seattle to Honolulu flights
Ontario to Honolulu flights
Los Angeles to Kahului flights
O'Hare Intl to Honolulu flights
San Francisco to Kahului flights
Seattle to Kahului flights
San Diego to Honolulu flights
Los Angeles to Lihue flights
Newark to Honolulu flights
Dulles Intl to Honolulu flights
Sky Harbor Intl to Honolulu flights
Los Angeles to Kailua-Kona flights
Seattle to Kailua-Kona flights
Atlanta to Honolulu flights
Denver to Honolulu flights
Salt Lake City to Honolulu flights
Dallas/Fort Worth to Honolulu flights
Oakland to Honolulu flights
Hobby to Honolulu flights
San Jose to Honolulu flights
Sacramento to Honolulu flights
Portland to Honolulu flights
San Francisco to Kailua-Kona flights
Seattle to Lihue flights
George Bush Intcntl to Honolulu flights
LaGuardia to Honolulu flights
Baltimore to Honolulu flights
San Francisco to Lihue flights
Las Vegas to Honolulu flights
Boston to Honolulu flights
Minneapolis to Honolulu flights
Detroit to Honolulu flights
San Diego to Lihue flights
San Diego to Kahului flights
Reagan-National to Honolulu flights
Long Beach to Honolulu flights
Denver to Kahului flights
Denver to Kailua-Kona flights
Oakland to Kahului flights
San Jose to Kahului flights
Sky Harbor Intl to Kahului flights
Orlando to Honolulu flights
Ontario to Kahului flights
Midway to Honolulu flights
Portland to Kahului flights
Denver to Lihue flights
Sacramento to Kahului flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$567FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$409Average$643FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$413Average$1,129FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$445Average$788FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$506Average$781FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$593Average$663FlexibilityNo cancel feeOn-time63%
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.