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The Big Island

$257+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KOA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$437
(Delta)

One-way from

$283
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$827
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 ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/106:15 amSTL - KOA
1 stop12h 49mAmerican Airlines
lun. 11/179:25 pmKOA - STL
1 stop12h 09mAmerican Airlines
Deal found 6/11$403
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/289:00 amSTL - KOA
1 stop11h 18mUnited Airlines
lun. 11/38:55 pmKOA - STL
1 stop11h 44mUnited Airlines
Deal found 6/11$422
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.
mar. 9/236:00 amSTL - KOA
2 stops16h 43mAlaska Airlines
mar. 9/307:11 pmKOA - STL
2 stops17h 23mAlaska Airlines
Deal found 6/10$432
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.
mar. 9/97:15 amORD - KOA
1 stop15h 19mDelta
jue. 9/189:45 pmKOA - ORD
1 stop10h 43mDelta
Deal found 6/10$437
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/295:00 amORD - KOA
2 stops13h 46mAmerican Airlines
mar. 11/49:25 pmKOA - ORD
1 stop10h 51mAmerican Airlines
Deal found 6/11$442
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.
mié. 9/241:01 pmORD - ITO
2 stops33h 36mAlaska Airlines
mar. 9/308:36 amITO - ORD
2 stops34h 23mAlaska Airlines
Deal found 6/10$466
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.
lun. 10/206:00 amORD - KOA
2 stops13h 49mAlaska Airlines
mar. 10/286:11 pmKOA - ORD
2 stops22h 28mAlaska Airlines
Deal found 6/11$479
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.
mar. 9/236:45 amSTL - KOA
1 stop10h 25mSouthwest
mar. 9/308:30 pmKOA - STL
1 stop10h 25mSouthwest
Deal found 6/10$545
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.
mar. 9/166:10 amMDW - KOA
1 stop11h 00mSouthwest
lun. 9/228:30 pmKOA - MDW
1 stop10h 15mSouthwest
Deal found 6/10$560
This Delta deal was found by Cheapflights users on 6/9. 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.
sáb. 10/187:20 amSTL - KOA
2 stops16h 20mDelta
vie. 10/248:40 pmKOA - STL
2 stops16h 22mDelta
Deal found 6/9$584
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.
sáb. 9/206:00 amSTL - ITO
2 stops21h 16mAlaska Airlines
sáb. 10/47:49 pmITO - STL
2 stops23h 10mAlaska Airlines
Deal found 6/10$604
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/168:00 amORD - KOA
1 stop13h 34mHawaiian Airlines
lun. 9/228:00 amKOA - ORD
1 stop10h 59mHawaiian Airlines
Deal found 6/10$606

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 junio 12, 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

mar. 9/9

7:15 am-5:34 pm

1 stop15h 19m

Kona Intl

jue. 9/18

9:45 pm-1:28 pm

1 stop10h 43m

$437

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 8/19

6:45 am-1:29 pm

1 stop11h 44m

Kona Intl

mar. 8/26

2:59 pm-9:00 am

2 stops13h 01m

$457

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

mar. 8/12

1:03 pm-5:38 pm

2 stops33h 35m

Hilo Intl

mar. 8/26

8:36 am-10:04 pm

2 stops32h 28m

$466

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

mar. 9/9

6:20 am-10:13 pm

2 stops20h 53m

Kona Intl

lun. 9/15

9:32 pm-7:03 am

1 stop28h 31m

$497

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

lun. 9/1

5:00 am-2:04 pm

1 stop14h 04m

Kona Intl

mar. 9/9

9:55 pm-5:18 pm

2 stops14h 23m

$515

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

mar. 7/22

7:32 pm-2:35 pm

2 stops24h 03m

Kona Intl

lun. 7/28

4:07 pm-2:26 pm

2 stops17h 19m

$524

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

mar. 9/16

6:10 am-12:10 pm

1 stop11h 00m

Kona Intl

lun. 9/22

8:30 pm-11:45 am

1 stop10h 15m

$560

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

jue. 7/10

6:33 am-3:19 pm

2 stops13h 46m

Kona Intl

jue. 7/24

1:10 pm-4:54 am

1 stop10h 44m

$565

ChicagoKailua-Kona

ORD - KOA

ORDKOA

Chicago O'Hare Intl

dom. 8/24

7:15 am-3:46 pm

1 stop13h 31m

Kona Intl

sáb. 8/30

1:15 pm-5:23 am

1 stop11h 08m

$590

ChicagoKailua-Kona

MDW - KOA

MDWKOA

Chicago Midway

mar. 9/2

6:00 am-7:00 pm

2 stops18h 00m

Kona Intl

mar. 9/9

8:41 pm-6:37 pm

2 stops16h 56m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 47 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 junio 12, 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.

Rainfall in The Big Island by month

Plan your trip to The Big Island by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in The Big Island ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit The Big Island when rainfall is around 1.6 in.

Temperature in The Big Island by month

Plan your trip to The Big Island by taking into account the average temperature totals by month.

If weather is an important factor for your trip to The Big Island, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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 junio 12, 2025.
To help decide which airline to fly from Illinois to The Big Island, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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 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 $283. However, be on the lookout for offers from Delta 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, 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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Alternative routes for Illinois to The Big Island

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$364Average$564FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$412Average$1,130FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$417Average$649FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$509Average$1,016FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$535Average$728FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$547Average$724FlexibilityNo cancel feeOn-time63%

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