HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
The Big Island

$165+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to The Big Island 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 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 February 17, 2026.

This Southwest deal was found by Cheapflights users on 2/14. 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 3/95:25 am
STL
-
KOA
1 stop12h 35m
Southwest
Mon 3/168:25 pm
KOA
-
STL
1 stop12h 05m
Southwest
Deal found 2/14$423
This Delta deal was found by Cheapflights users on 2/13. 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 4/227:15 am
ORD
-
KOA
1 stop16h 48m
Delta
Tue 4/288:50 pm
KOA
-
ORD
1 stop11h 33m
Delta
Deal found 2/13$424
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:33 pm
STL
-
KOA
1 stop22h 13m
Alaska Airlines
Tue 6/211:56 am
KOA
-
STL
1 stop23h 41m
Alaska Airlines
Deal found 2/15$425
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:07 pm
ORD
-
KOA
2 stops28h 40m
Multiple Airlines
Tue 3/1712:10 pm
KOA
-
ORD
1 stop25h 52m
Multiple Airlines
Deal found 2/15$428
This Delta deal was found by Cheapflights users on 2/16. 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.
Sun 4/127:15 am
STL
-
KOA
1 stop12h 38m
Delta
Thu 4/168:50 pm
KOA
-
STL
2 stops15h 36m
Delta
Deal found 2/16$428
This United Airlines deal was found by Cheapflights users on 2/16. 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 4/218:54 am
STL
-
KOA
1 stop11h 36m
United Airlines
Mon 4/272:02 pm
KOA
-
STL
2 stops13h 23m
United Airlines
Deal found 2/16$429
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:33 pm
STL
-
KOA
1 stop22h 13m
Multiple Airlines
Tue 6/21:51 pm
KOA
-
STL
2 stops21h 46m
Multiple Airlines
Deal found 2/15$430
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
ORD
-
KOA
1 stop14h 13m
Alaska Airlines
Tue 3/1712:10 pm
KOA
-
ORD
1 stop25h 52m
Alaska Airlines
Deal found 2/15$432
This Delta deal was found by Cheapflights users on 2/13. 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 4/287:02 am
STL
-
KOA
2 stops15h 41m
Delta
Tue 5/510:00 pm
KOA
-
STL
2 stops14h 26m
Delta
Deal found 2/13$433
This Delta deal was found by Cheapflights users on 2/16. 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.
Tue 4/217:00 am
STL
-
KOA
2 stops15h 43m
Delta
Mon 4/2710:07 pm
KOA
-
STL
2 stops14h 19m
Delta
Deal found 2/16$434
This Alaska Airlines deal was found by Cheapflights users on 2/14. 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.
Mon 8/177:30 pm
STL
-
KOA
2 stops24h 12m
Multiple Airlines
Mon 8/246:02 pm
KOA
-
STL
2 stops15h 24m
Multiple Airlines
Deal found 2/14$435
This Delta deal was found by Cheapflights users on 2/13. 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 4/307:15 am
ORD
-
KOA
1 stop16h 48m
Delta
Mon 5/48:50 pm
KOA
-
ORD
1 stop11h 33m
Delta
Deal found 2/13$448

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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$423
(Southwest)

One-way from

$165
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$646
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. 5% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 17, 2026.
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

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/28

7:00 am-7:52 pm

1 stop17h 52m

Kona Intl

Mon 5/4

8:00 am-11:59 pm

1 stop10h 59m

$423

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/21

8:54 am-3:30 pm

1 stop11h 36m

Kona Intl

Mon 4/27

7:45 pm-1:08 pm

1 stop12h 23m

$423

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/28

10:00 am-7:42 pm

2 stops14h 42m

Kona Intl

Mon 5/4

8:00 pm-1:13 pm

1 stop12h 13m

$429

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 4/28

7:02 am-5:43 pm

2 stops15h 41m

Kona Intl

Tue 5/5

10:00 pm-5:26 pm

2 stops14h 26m

$433

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Thu 4/30

7:15 am-7:03 pm

1 stop16h 48m

Kona Intl

Mon 5/4

10:07 pm-4:18 pm

2 stops13h 11m

$454

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 4/8

6:15 am-6:05 pm

2 stops16h 50m

Kona Intl

Wed 4/15

8:25 pm-1:55 pm

1 stop12h 30m

$457

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 4/14

6:00 am-3:00 pm

2 stops14h 00m

Kona Intl

Mon 4/20

10:39 am-2:21 pm

1 stop22h 42m

$458

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Tue 3/24

7:20 am-5:47 pm

2 stops15h 27m

Kona Intl

Mon 3/30

10:15 pm-6:05 pm

2 stops14h 50m

$459

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 5/7

6:20 am-7:27 pm

2 stops18h 07m

Kona Intl

Tue 5/19

9:55 pm-7:03 pm

2 stops16h 08m

$462

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Mon 4/13

7:15 am-7:03 pm

1 stop16h 48m

Kona Intl

Sun 4/26

8:50 pm-4:39 pm

1 stop14h 49m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 60 results
1
2
3
...
6

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 $371). Flying from Illinois to The Big Island in July is currently the most expensive (average of $669). 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 February 17, 2026.

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

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 $423, Alaska Airlines can have you in The Big Island from Illinois in 11h 36m. There are 4080 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 Alaska Airlines and American 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 $371). Flying from Illinois to The Big Island in July is currently the most expensive (average of $669). 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 The Big Island

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

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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$350Average$576FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$418Average$770FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$429Average$609FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$442Average$788FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$447Average$1,070FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$707FlexibilityNo 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.