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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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(United Airlines)

One-way from

$211
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$678
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
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One-way flight from Illinois to Kona Intl
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Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 5/148:48 amSTL - KOA
1 stop11h 47mUnited Airlines
Wed 5/217:35 pmKOA - STL
1 stop12h 11mUnited Airlines
Deal found 4/30$421
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/146:52 amSTL - KOA
1 stop10h 25mAmerican Airlines
Wed 5/211:47 pmKOA - STL
2 stops15h 02mAmerican Airlines
Deal found 4/30$427
This Delta deal was found by Cheapflights users on 4/30. 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 5/146:00 amSTL - KOA
2 stops18h 10mDelta
Wed 5/218:38 pmKOA - STL
2 stops13h 22mDelta
Deal found 4/30$454
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 11/272:55 pmSTL - KOA
1 stop11h 40mAlaska Airlines
Thu 12/48:00 amKOA - STL
1 stop11h 56mAlaska Airlines
Deal found 4/30$461
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/305:00 amORD - KOA
1 stop13h 42mAmerican Airlines
Wed 12/1710:27 pmKOA - ORD
1 stop11h 44mAmerican Airlines
Deal found 4/30$545
This Delta deal was found by Cheapflights users on 4/30. 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 9/306:00 amORD - KOA
2 stops16h 44mDelta
Wed 12/1710:45 pmKOA - ORD
1 stop10h 43mDelta
Deal found 4/30$550
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 4/30$551
This Delta deal was found by Cheapflights users on 4/30. 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 9/219:20 amMDW - KOA
2 stops14h 20mDelta
Tue 9/308:40 pmKOA - MDW
2 stops16h 27mDelta
Deal found 4/30$566
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 6/310:00 amORD - KOA
1 stop17h 15mAlaska Airlines
Thu 6/128:00 amKOA - ORD
1 stop10h 59mAlaska Airlines
Deal found 4/30$571
This Southwest deal was found by Cheapflights users on 4/30. 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 8/215:10 amMDW - KOA
2 stops12h 55mSouthwest
Tue 8/268:30 pmKOA - MDW
1 stop14h 15mSouthwest
Deal found 4/30$615
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 6/53:17 pmORD - KOA
1 stop11h 58mHawaiian Airlines
Wed 6/188:00 amKOA - ORD
1 stop10h 59mHawaiian Airlines
Deal found 4/30$649
This Southwest deal was found by Cheapflights users on 4/30. 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 6/115:40 amSTL - KOA
1 stop11h 30mSouthwest
Sun 6/228:20 pmKOA - STL
2 stops11h 45mSouthwest
Deal found 4/30$868

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 May 1, 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

Wed 5/14

8:48 am-3:35 pm

1 stop11h 47m

Kona Intl

Wed 5/21

7:35 pm-12:46 pm

1 stop12h 11m

$421

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 5/14

6:52 am-12:17 pm

1 stop10h 25m

Kona Intl

Wed 5/21

1:47 pm-9:49 am

2 stops15h 02m

$427

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 5/14

6:00 am-7:10 pm

2 stops18h 10m

Kona Intl

Wed 5/21

8:38 pm-3:00 pm

2 stops13h 22m

$454

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 9/30

5:00 am-1:42 pm

1 stop13h 42m

Kona Intl

Wed 12/17

10:27 pm-2:11 pm

1 stop11h 44m

$545

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sat 10/18

1:54 pm-9:35 pm

2 stops36h 41m

Kona Intl

Fri 10/24

8:00 am-11:56 pm

1 stop10h 56m

$548

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 9/30

6:00 am-5:44 pm

2 stops16h 44m

Kona Intl

Wed 12/17

10:45 pm-1:28 pm

1 stop10h 43m

$550

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sat 10/18

2:55 pm-9:35 pm

1 stop11h 40m

Kona Intl

Fri 10/24

8:00 am-11:56 pm

1 stop10h 56m

$551

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Sun 9/21

9:20 am-6:40 pm

2 stops14h 20m

Kona Intl

Tue 9/30

8:40 pm-6:07 pm

2 stops16h 27m

$566

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 6/3

10:00 am-10:15 pm

1 stop17h 15m

Kona Intl

Thu 6/12

8:00 am-11:59 pm

1 stop10h 59m

$571

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Thu 8/21

5:10 am-1:05 pm

2 stops12h 55m

Kona Intl

Tue 8/26

8:30 pm-3:45 pm

1 stop14h 15m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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.

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 May 1, 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 May 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Illinois to Kailua-Kona. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

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
4,293 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.9

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 American Airlines, with whom users have recently found tickets for as low as $211. However, be on the lookout for offers from United Airlines 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.

  • 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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Alternative routes for Illinois to Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$568FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$409Average$643FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$412Average$1,128FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$445Average$733FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$509Average$882FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$593Average$673FlexibilityNo cancel feeOn-time63%

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