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The Big Island

$209+ Cheap flights from Illinois to The Big Island

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to The Big Island

Cheapest flights from Illinois to The Big Island
Explore the most affordable flight options available from Illinois to The Big Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:50 amORD - KOA
1 stop14h 30mDelta
Thu 1/158:45 pmKOA - ORD
1 stop12h 37mDelta
Deal found 12/17$613
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/168:55 amORD - KOA
2 stops15h 33mMultiple Airlines
Tue 12/232:25 pmKOA - ORD
1 stop25h 37mMultiple Airlines
Deal found 12/15$684
This Delta deal was found by Cheapflights users on 12/16. 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.
Thu 12/187:50 amORD - KOA
1 stop14h 30mDelta
Thu 12/258:55 pmKOA - ORD
1 stop11h 46mDelta
Deal found 12/16$743
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/1810:40 amORD - KOA
1 stop12h 11mAmerican Airlines
Thu 12/2510:09 pmKOA - ORD
1 stop12h 15mAmerican Airlines
Deal found 12/17$787
This Delta deal was found by Cheapflights users on 12/15. 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 12/237:25 amORD - KOA
1 stop12h 23mDelta
Thu 1/88:45 pmKOA - ORD
2 stops16h 59mDelta
Deal found 12/15$789
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/245:00 amORD - KOA
1 stop17h 51mAmerican Airlines
Wed 12/316:30 pmKOA - ORD
1 stop11h 14mAmerican Airlines
Deal found 12/16$815
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 amMDW - KOA
2 stops19h 55mSouthwest
Sun 12/286:55 pmKOA - MDW
2 stops13h 20mSouthwest
Deal found 12/16$1,004
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:00 amSTL - KOA
2 stops15h 38mAmerican Airlines
Sun 1/410:55 pmKOA - STL
1 stop20h 56mAmerican Airlines
Deal found 12/16$1,040
This Southwest deal was found by Cheapflights users on 12/17. 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.
Sun 12/215:40 amMDW - KOA
2 stops13h 05mSouthwest
Tue 12/239:15 pmKOA - MDW
1 stop10h 20mSouthwest
Deal found 12/17$1,103
This Delta deal was found by Cheapflights users on 12/15. 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 12/316:45 amORD - ITO
2 stops15h 06mDelta
Thu 1/11:44 pmITO - ORD
2 stops21h 29mDelta
Deal found 12/15$1,150
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:30 amSTL - KOA
2 stops14h 11mUnited Airlines
Sun 1/48:30 pmKOA - STL
2 stops21h 13mUnited Airlines
Deal found 12/16$1,185
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/232:45 pmSTL - ITO
2 stops56h 29mUnited Airlines
Tue 12/306:44 pmITO - STL
2 stops14h 36mUnited Airlines
Deal found 12/16$1,205

Find flight deals from Illinois to The Big Island

Keep the following information in mind while searching for Illinois to The Big Island flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$343
(Alaska Airlines)

One-way from

$209
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,118
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 The Big Island
Search Deals
One-way flight from Illinois to The Big Island
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to The Big Island 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 December 18, 2025.
Use the filters below to find and compare flights from Illinois to The Big Island that are best for you.

Fly from

Illinois

Fly to

The Big Island

Route

Depart

Return

Price

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 1/21

3:44 pm-3:27 pm

1 stop27h 43m

Kona Intl

Mon 1/26

2:24 pm-11:37 pm

1 stop29h 13m

$343

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 1/25

9:00 am-3:57 pm

1 stop34h 57m

Kona Intl

Tue 2/3

2:51 pm-2:29 pm

1 stop19h 38m

$353

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 2/1

3:44 pm-3:57 pm

1 stop28h 13m

Kona Intl

Wed 2/11

10:50 am-11:59 pm

1 stop33h 09m

$363

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 2/24

8:20 am-10:15 pm

2 stops17h 55m

Kona Intl

Tue 3/3

1:10 pm-11:59 pm

1 stop30h 49m

$369

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 1/21

9:00 am-3:27 pm

1 stop34h 27m

Kona Intl

Mon 1/26

7:40 pm-2:29 pm

2 stops14h 49m

$369

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 3/2

7:00 am-7:34 pm

2 stops16h 34m

Kona Intl

Tue 3/10

8:55 pm-5:07 pm

2 stops15h 12m

$374

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/23

7:00 am-7:34 pm

2 stops16h 34m

Kona Intl

Tue 3/10

8:55 pm-5:07 pm

2 stops15h 12m

$374

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 1/25

3:44 pm-3:57 pm

1 stop28h 13m

Kona Intl

Wed 2/4

6:00 am-11:37 pm

2 stops13h 37m

$379

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 2/24

8:20 am-10:15 pm

2 stops17h 55m

Kona Intl

Wed 3/4

1:10 pm-2:58 pm

1 stop21h 48m

$379

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 2/25

7:00 am-10:57 pm

1 stop19h 57m

Kona Intl

Tue 3/3

1:10 pm-11:59 pm

1 stop30h 49m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to The Big Island

Have a flexible travel schedule? Discover the best time to fly to The Big Island 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 The Big Island

What is the cheapest month to book a flight from Illinois to The Big Island?

Currently, March is the cheapest month in which you can book a flight from Illinois to The Big Island (average of $422). Flying from Illinois to The Big Island in July is currently the most expensive (average of $667). 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 FUI?

Find hourly flight availability from Illinois to The Big Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 11% on flights from Illinois to The Big Island by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Illinois to The Big Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to The Big Island?

    For as low as $530, Alaska Airlines can have you in The Big Island from Illinois in 11h 35m. There are 4213 mi between Illinois and The Big Island. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to The Big Island one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $173. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from Illinois to The Big Island for a low price.

  • Can I find deals for flights from Illinois to The Big Island that include hotel bookings?

    Yes. In addition to deals on Illinois to The Big Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to The Big Island?

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

  • Can I find deals for business class flights from Illinois to The Big Island?

    Yes. Cheapflights offers flight deals from Illinois to The Big Island 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 The Big Island?

    Currently, March is the cheapest month in which you can book a flight from Illinois to The Big Island (average of $422). Flying from Illinois to The Big Island in July is currently the most expensive (average of $667). 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 6 airlines flying from Illinois to The Big Island

Discover the top 6 airlines that operate flights from Illinois to The Big Island. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$371Average$599FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$429Average$772FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$429Average$651FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$447Average$1,134FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$459Average$724FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$593Average$722FlexibilityNo cancel feeOn-time63%

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