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The Big Island

$205+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap 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 August 2, 2025.

Round-trip from

$405
(Alaska Airlines)

One-way from

$205
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$674
From Illinois to The Big Island
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One-way flight from Illinois to The Big Island
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Highest demand for flights based on searches. 3% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 11/119:20 amORD - KOA
1 stop33h 23mAlaska Airlines
Tue 11/1812:09 pmKOA - ORD
1 stop21h 45mAlaska Airlines
Deal found 7/31$405
This American Airlines deal was found by Cheapflights users on 7/31. 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 10/86:03 amORD - KOA
1 stop12h 55mAmerican Airlines
Wed 10/229:45 pmKOA - ORD
1 stop11h 30mAmerican Airlines
Deal found 7/31$408
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/246:00 amSTL - KOA
1 stop15h 44mAlaska Airlines
Wed 10/88:00 amKOA - STL
1 stop11h 03mAlaska Airlines
Deal found 8/1$415
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 11/122:54 pmORD - ITO
2 stops33h 36mAlaska Airlines
Tue 11/186:00 amITO - ORD
2 stops13h 59mAlaska Airlines
Deal found 7/31$417
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/236:00 amSTL - ITO
2 stops16h 39mAlaska Airlines
Thu 9/256:10 pmITO - STL
2 stops15h 29mAlaska Airlines
Deal found 7/31$420
This Delta deal was found by Cheapflights users on 7/31. 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 8/317:15 amORD - KOA
1 stop15h 19mDelta
Wed 9/109:47 pmKOA - ORD
1 stop10h 33mDelta
Deal found 7/31$423
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 11/165:17 amSTL - KOA
2 stops13h 45mAmerican Airlines
Thu 11/204:32 pmKOA - STL
2 stops14h 05mAmerican Airlines
Deal found 8/1$432
This Southwest deal was found by Cheapflights users on 7/30. 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.
Mon 11/105:25 amMDW - KOA
1 stop12h 15mSouthwest
Mon 11/249:15 pmKOA - MDW
1 stop14h 25mSouthwest
Deal found 7/30$522
This Southwest deal was found by Cheapflights users on 7/31. 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.
Fri 11/710:20 pmSTL - KOA
2 stops18h 50mSouthwest
Sat 11/159:15 pmKOA - STL
1 stop9h 55mSouthwest
Deal found 7/31$562
This Southwest deal was found by Cheapflights users on 7/31. 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 9/36:10 amMDW - ITO
2 stops13h 30mSouthwest
Wed 9/106:55 pmITO - MDW
2 stops12h 25mSouthwest
Deal found 7/31$618
This Delta deal was found by Cheapflights users on 8/1. 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 9/29:30 amMDW - KOA
2 stops14h 30mDelta
Tue 9/98:41 pmKOA - MDW
2 stops16h 56mDelta
Deal found 8/1$622
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/239:00 amSTL - ITO
2 stops13h 39mUnited Airlines
Thu 9/256:00 amITO - STL
3 stops35h 00mUnited Airlines
Deal found 7/31$827

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 August 2, 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 10/8

6:03 am-1:58 pm

1 stop12h 55m

Kona Intl

Wed 10/22

9:45 pm-2:15 pm

1 stop11h 30m

$408

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Wed 9/17

8:00 am-4:44 pm

1 stop13h 44m

Kona Intl

Wed 9/24

8:00 am-12:03 am

1 stop11h 03m

$409

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 9/24

6:00 am-4:44 pm

1 stop15h 44m

Kona Intl

Wed 10/8

8:00 am-12:03 am

1 stop11h 03m

$415

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Wed 11/12

2:54 pm-8:30 pm

2 stops33h 36m

Hilo Intl

Tue 11/18

6:00 am-11:59 pm

2 stops13h 59m

$417

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 9/23

6:00 am-5:39 pm

2 stops16h 39m

Hilo Intl

Thu 9/25

6:10 pm-2:39 pm

2 stops15h 29m

$420

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

Sun 8/31

7:15 am-5:34 pm

1 stop15h 19m

Kona Intl

Wed 9/10

9:47 pm-1:20 pm

1 stop10h 33m

$423

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 10/27

5:11 am-1:58 pm

2 stops13h 47m

Kona Intl

Mon 11/3

9:45 pm-4:47 pm

2 stops15h 02m

$452

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Sun 8/24

5:30 am-1:05 pm

2 stops12h 35m

Kona Intl

Tue 9/2

8:30 pm-1:15 pm

1 stop11h 45m

$552

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Wed 9/3

6:10 am-2:40 pm

2 stops13h 30m

Hilo Intl

Wed 9/10

6:55 pm-12:20 pm

2 stops12h 25m

$618

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

Tue 9/2

9:30 am-7:00 pm

2 stops14h 30m

Kona Intl

Tue 9/9

8:41 pm-6:37 pm

2 stops16h 56m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 34 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, October is the cheapest month in which you can book a flight from Illinois to The Big Island (average of $409). Flying from Illinois to The Big Island 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 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 August 2, 2025.

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.

Reviews of airlines servicing The Big Island

Get insights into the airlines that provide service to The Big Island. 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 The Big Island. Reviews last updated August 2, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Illinois to The Big Island. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,613 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $205. However, be on the lookout for offers from American Airlines and Hawaiian 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, October is the cheapest month in which you can book a flight from Illinois to The Big Island (average of $409). Flying from Illinois to The Big Island 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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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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$364Average$589FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$413Average$694FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$455Average$797FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$506Average$1,014FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$535Average$728FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$547Average$724FlexibilityNo cancel feeOn-time63%

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