HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$207+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from The Big Island to Illinois 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 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 June 12, 2025.

Round-trip from

$437
(Alaska Airlines)

One-way from

$207
(American Airlines)
From The Big Island to Illinois
Search Deals
One-way flight from The Big Island to Illinois
Search Deals

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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/289:32 pmKOA - STL
1 stop12h 07mAlaska Airlines
Tue 9/26:00 amSTL - KOA
2 stops16h 43mAlaska Airlines
Deal found 6/10$437
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/259:40 pmKOA - STL
2 stops14h 07mAmerican Airlines
Fri 9/57:55 amSTL - KOA
1 stop11h 30mAmerican Airlines
Deal found 6/12$486
This Delta deal was found by Cheapflights users on 6/10. 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 8/249:47 pmKOA - STL
2 stops15h 00mDelta
Thu 9/46:00 amSTL - KOA
2 stops18h 00mDelta
Deal found 6/10$556
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/287:40 pmKOA - STL
2 stops15h 04mUnited Airlines
Wed 9/39:17 amSTL - KOA
2 stops15h 07mUnited Airlines
Deal found 6/10$572
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 7/308:00 amKOA - ORD
1 stop10h 59mAlaska Airlines
Wed 8/67:18 pmORD - KOA
1 stop19h 12mAlaska Airlines
Deal found 6/11$621
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/299:45 pmKOA - ORD
1 stop18h 13mAmerican Airlines
Wed 8/66:00 amORD - KOA
1 stop12h 29mAmerican Airlines
Deal found 6/10$681
This Delta deal was found by Cheapflights users on 6/10. 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 6/119:05 pmKOA - ORD
1 stop11h 18mDelta
Mon 6/167:09 amORD - KOA
1 stop15h 24mDelta
Deal found 6/10$683
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/138:00 amKOA - ORD
1 stop10h 59mHawaiian Airlines
Tue 7/221:03 pmORD - KOA
1 stop14h 01mHawaiian Airlines
Deal found 6/11$702
This Southwest deal was found by Cheapflights users on 6/10. 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 7/316:00 amITO - ORD
2 stops12h 40mSouthwest
Sun 8/36:15 amORD - ITO
2 stops14h 45mSouthwest
Deal found 6/10$804
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/276:00 amITO - ORD
2 stops27h 13mMultiple Airlines
Sun 8/37:08 amORD - ITO
2 stops28h 52mMultiple Airlines
Deal found 6/12$813
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 6/2710:15 pmKOA - ORD
1 stop19h 44mUnited Airlines
Tue 7/13:54 pmORD - KOA
1 stop24h 37mUnited Airlines
Deal found 6/12$833
This Delta deal was found by Cheapflights users on 6/11. 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 6/118:25 pmKOA - MDW
2 stops16h 15mDelta
Mon 6/169:24 amMDW - KOA
2 stops14h 35mDelta
Deal found 6/11$934

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 June 12, 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-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 8/28

9:32 pm-2:39 pm

1 stop12h 07m

Lambert-St Louis

Tue 9/2

6:00 am-5:43 pm

2 stops16h 43m

$437

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 8/25

9:40 pm-4:47 pm

2 stops14h 07m

Lambert-St Louis

Fri 9/5

7:55 am-2:25 pm

1 stop11h 30m

$486

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sun 8/24

9:47 pm-5:47 pm

2 stops15h 00m

Lambert-St Louis

Thu 9/4

6:00 am-7:00 pm

2 stops18h 00m

$556

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Thu 8/28

7:40 pm-3:44 pm

2 stops15h 04m

Lambert-St Louis

Wed 9/3

9:17 am-7:24 pm

2 stops15h 07m

$572

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Wed 7/30

8:00 am-11:59 pm

1 stop10h 59m

Chicago O'Hare Intl

Wed 8/6

7:18 pm-9:30 am

1 stop19h 12m

$621

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Tue 7/29

9:45 pm-8:58 pm

1 stop18h 13m

Chicago O'Hare Intl

Wed 8/6

6:00 am-1:29 pm

1 stop12h 29m

$681

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Wed 6/25

9:40 pm-1:23 pm

1 stop10h 43m

Chicago O'Hare Intl

Sun 6/29

7:09 am-5:33 pm

1 stop15h 24m

$687

HiloChicago

ITO - ORD

ITOORD

Hilo Intl

Thu 7/31

6:00 am-11:40 pm

2 stops12h 40m

Chicago O'Hare Intl

Sun 8/3

6:15 am-4:00 pm

2 stops14h 45m

$804

HiloChicago

ITO - ORD

ITOORD

Hilo Intl

Sun 7/27

6:00 am-2:13 pm

2 stops27h 13m

Chicago O'Hare Intl

Sun 8/3

7:08 am-7:00 am

2 stops28h 52m

$813

Kailua-KonaChicago

KOA - ORD

KOAORD

Kona Intl

Fri 6/27

10:15 pm-10:59 pm

1 stop19h 44m

Chicago O'Hare Intl

Tue 7/1

3:54 pm-11:31 am

1 stop24h 37m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 30 results
1
2
3

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, August is the cheapest month in which you can book a flight from The Big Island to Illinois (average of $245). Flying from The Big Island to Illinois in March is currently the most expensive (average of $321). 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 June 12, 2025.

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta 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
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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 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.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $207. Users have also found prices from $247 and $263 on Southwest and Alaska 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, August is the cheapest month in which you can book a flight from The Big Island to Illinois (average of $245). Flying from The Big Island to Illinois in March is currently the most expensive (average of $321). 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 The Big Island to Illinois

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

Top 5 airlines flying from The Big Island to Illinois

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$223Average$603FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$418Average$820FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$419Average$623FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$429Average$865FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$713Average$768FlexibilityNo 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.