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$202+ Cheap flights from The Big Island 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — ORD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from The Big Island to Illinois

Keep the following information in mind while searching for The Big Island to Illinois flight deals. Data was last updated November 3, 2025.

Round-trip from

$399
(Alaska Airlines)

One-way from

$202
(Kiwi.com)

Good one-way deal

$376 or less
From The Big Island to Illinois
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One-way flight from The Big Island to Illinois
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Price to beat on a one-way flight from The Big Island to Illinois.
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Find flight deals from The Big Island to Illinois

Cheapest flights from The Big Island to Illinois
Explore the most affordable flight options available from The Big Island to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/1. 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 11/277:30 pmKOA - STL
1 stop11h 09mAmerican Airlines
Tue 12/27:00 amSTL - KOA
1 stop12h 24mAmerican Airlines
Deal found 11/1$567
This Southwest deal was found by Cheapflights users on 11/1. 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.
Tue 11/253:25 pmITO - ORD
2 stops19h 20mSouthwest
Mon 12/87:15 amORD - ITO
2 stops18h 25mSouthwest
Deal found 11/1$616
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/279:10 pmKOA - STL
2 stops15h 29mUnited Airlines
Tue 12/25:27 pmSTL - KOA
2 stops23h 33mUnited Airlines
Deal found 11/1$673
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/162:20 pmKOA - ORD
1 stop19h 49mAlaska Airlines
Tue 12/233:37 pmORD - KOA
2 stops22h 58mAlaska Airlines
Deal found 11/1$747
This Delta deal was found by Cheapflights users on 11/1. 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 11/248:30 pmKOA - STL
2 stops13h 01mDelta
Sun 11/306:34 amSTL - KOA
2 stops16h 51mDelta
Deal found 11/1$749
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/246:25 pmKOA - STL
1 stop12h 14mAmerican Airlines
Sun 11/307:00 amSTL - KOA
1 stop12h 01mAmerican Airlines
Deal found 11/1$752
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/256:44 pmITO - ORD
1 stop31h 24mUnited Airlines
Mon 12/82:35 pmORD - ITO
2 stops33h 25mUnited Airlines
Deal found 11/1$828
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 12/232:25 pmKOA - ORD
1 stop20h 12mAlaska Airlines
Sat 12/278:58 pmORD - KOA
2 stops23h 15mAlaska Airlines
Deal found 11/1$937
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/2310:55 pmKOA - ORD
1 stop11h 29mAmerican Airlines
Sat 12/2710:40 amORD - KOA
1 stop12h 11mAmerican Airlines
Deal found 11/1$954
This Southwest deal was found by Cheapflights users on 11/2. 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 11/176:55 pmITO - STL
2 stops12h 55mSouthwest
Fri 11/215:25 amSTL - ITO
2 stops16h 45mSouthwest
Deal found 11/2$959
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/232:23 pmKOA - ORD
1 stop10h 14mUnited Airlines
Sat 12/2711:15 amORD - KOA
Nonstop9h 16mUnited Airlines
Deal found 11/1$1,365
This Delta deal was found by Cheapflights users on 11/1. 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 12/2310:55 pmKOA - MDW
2 stops14h 24mDelta
Sat 12/276:00 amMDW - KOA
2 stops18h 27mDelta
Deal found 11/1$1,420

Cheapflights Fare Finder

 
Customize your flight search to find flights from The Big Island 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 November 3, 2025.
Use the filters below to find and compare flights from The Big Island to Illinois that are best for you.

Fly from

The Big Island

Fly to

Illinois

Route

Depart

Return

Price

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Tue 3/3

6:00 am-11:10 pm

2 stops13h 10m

Chicago O'Hare Intl

Wed 3/4

9:00 am-2:46 pm

1 stop33h 46m

$399

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 11/27

7:30 pm-10:39 am

1 stop11h 09m

Lambert-St Louis

Tue 12/2

7:00 am-3:24 pm

1 stop12h 24m

$567

HiloChicago

ITO - ORD

ITOORD

Hilo Intl

Tue 11/25

3:25 pm-2:45 pm

2 stops19h 20m

Chicago O'Hare Intl

Mon 12/8

7:15 am-9:40 pm

2 stops18h 25m

$616

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 11/27

9:10 pm-4:39 pm

2 stops15h 29m

Lambert-St Louis

Tue 12/2

5:27 pm-1:00 pm

2 stops23h 33m

$673

HiloChicago

ITO - ORD

ITOORD

Hilo Intl

Tue 4/21

9:46 am-5:00 am

2 stops14h 14m

Chicago O'Hare Intl

Thu 4/23

9:00 am-6:20 pm

2 stops14h 20m

$684

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Tue 12/16

2:20 pm-2:09 pm

1 stop19h 49m

Chicago O'Hare Intl

Tue 12/23

3:37 pm-10:35 am

2 stops22h 58m

$747

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 11/24

8:30 pm-1:31 pm

2 stops13h 01m

Lambert-St Louis

Sun 11/30

6:34 am-7:25 pm

2 stops16h 51m

$749

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 11/24

6:25 pm-10:39 am

1 stop12h 14m

Lambert-St Louis

Sun 11/30

7:00 am-3:01 pm

1 stop12h 01m

$752

HiloChicago

ITO - ORD

ITOORD

Hilo Intl

Tue 11/25

6:44 pm-6:08 am

1 stop31h 24m

Chicago O'Hare Intl

Mon 12/8

2:35 pm-8:00 pm

2 stops33h 25m

$828

HiloChicago

ITO - ORD

ITOORD

Hilo Intl

Tue 4/21

2:40 pm-6:25 am

1 stop10h 45m

Chicago O'Hare Intl

Thu 4/23

8:00 am-7:00 am

2 stops28h 00m

$899

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 51 results
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Best time to book a flight from The Big Island to Illinois

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

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

Currently, December is the cheapest month in which you can book a flight from The Big Island to Illinois (average of $429). Flying from The Big Island to Illinois in April is currently the most expensive (average of $752). 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 FUI to IL?

Find hourly flight availability from The Big Island 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 November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from The Big Island to Illinois in the morning. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight in the afternoon.

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 November 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and United Airlines from The Big Island to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,235 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,996 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,036 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from The Big Island to Illinois. 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 The Big Island to Illinois?

    Alaska Airlines, American Airlines, and Southwest can get you from The Big Island to Illinois in just under 11h 09m. Your travel time can differ by up to 8h 11m. There are 4080 mi between The Big Island and Illinois. 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 The Big Island to Illinois one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $213. Users have also found prices from $231 and $236 on Delta and American Airlines, respectively.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from The Big Island to Illinois (average of $429). Flying from The Big Island to Illinois in April is currently the most expensive (average of $752). 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 The Big Island to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from The Big Island to Illinois

Discover the top 4 airlines that operate flights from The Big Island 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$447Average$718FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$545Average$721FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$555Average$1,039FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$693Average$768FlexibilityNo cancel feeOn-time63%

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