HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hilo

$296+ Cheap flights from Illinois to Hilo (ITO)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ITO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Hilo 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 Hilo

Keep the following information in mind while searching for Illinois to Hilo flight deals. Data was last updated September 15, 2025.

Round-trip from

$445
(Alaska Airlines)

One-way from

$296
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$701
From Illinois to Hilo Intl
Search Deals
One-way flight from Illinois to Hilo Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Illinois to Hilo

Cheapest flights from Illinois to Hilo
Explore the most affordable flight options available from Illinois to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 11/36:00 amORD - ITO
2 stops16h 00mAlaska Airlines
Mon 11/109:00 pmITO - ORD
2 stops15h 30mAlaska Airlines
Deal found 9/14$458
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 12/37:59 pmORD - ITO
2 stops24h 06mAlaska Airlines
Thu 12/1112:05 pmITO - ORD
2 stops14h 16mAlaska Airlines
Deal found 9/15$466
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/248:00 amORD - ITO
2 stops17h 31mAlaska Airlines
Mon 10/276:26 pmITO - ORD
2 stops17h 04mAlaska Airlines
Deal found 9/15$488
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/238:00 amORD - ITO
2 stops17h 31mAlaska Airlines
Mon 10/2710:51 amITO - ORD
2 stops14h 31mAlaska Airlines
Deal found 9/15$503
This Southwest deal was found by Cheapflights users on 9/14. 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.
Sun 11/167:55 amMDW - ITO
2 stops17h 45mSouthwest
Fri 11/216:55 pmITO - MDW
2 stops13h 30mSouthwest
Deal found 9/14$536
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:00 amORD - ITO
2 stops16h 49mAlaska Airlines
Tue 10/216:55 pmITO - ORD
2 stops24h 04mAlaska Airlines
Deal found 9/14$537
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/256:00 amORD - ITO
2 stops21h 19mAlaska Airlines
Fri 10/3112:36 pmITO - ORD
2 stops12h 46mAlaska Airlines
Deal found 9/14$539
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 10/269:20 amORD - ITO
2 stops37h 20mAlaska Airlines
Fri 10/3112:36 pmITO - ORD
2 stops12h 46mAlaska Airlines
Deal found 9/14$542
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/810:00 amORD - ITO
2 stops16h 22mAlaska Airlines
Sat 11/156:00 amITO - ORD
2 stops14h 24mAlaska Airlines
Deal found 9/14$578
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/157:59 pmORD - ITO
2 stops25h 17mAlaska Airlines
Tue 10/216:55 pmITO - ORD
2 stops24h 04mAlaska Airlines
Deal found 9/15$586
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:45 amMDW - ITO
2 stops15h 25mSouthwest
Tue 10/76:55 pmITO - MDW
2 stops15h 15mSouthwest
Deal found 9/13$626
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:00 amORD - ITO
2 stops14h 16mAlaska Airlines
Tue 10/76:55 pmITO - ORD
2 stops14h 24mAlaska Airlines
Deal found 9/13$667

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Hilo 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 September 15, 2025.
Use the filters below to find and compare flights from Illinois to Hilo that are best for you.

Fly from

Illinois

Fly to

Hilo

Route

Depart

Return

Price

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Tue 11/4

10:00 am-10:22 pm

2 stops16h 22m

Hilo Intl

Mon 11/17

9:00 pm-4:30 pm

2 stops15h 30m

$458

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Wed 11/12

10:00 am-10:22 pm

2 stops16h 22m

Hilo Intl

Tue 11/18

9:00 pm-4:30 pm

2 stops15h 30m

$458

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Wed 12/3

7:59 pm-4:05 pm

2 stops24h 06m

Hilo Intl

Thu 12/11

9:31 am-6:21 am

2 stops16h 50m

$466

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Fri 10/24

8:00 am-8:31 pm

2 stops17h 31m

Hilo Intl

Mon 10/27

6:26 pm-4:30 pm

2 stops17h 04m

$488

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Mon 11/3

8:00 am-7:01 pm

2 stops15h 01m

Hilo Intl

Mon 11/10

10:52 am-6:22 am

2 stops15h 30m

$503

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Sun 11/16

7:55 am-9:40 pm

2 stops17h 45m

Hilo Intl

Fri 11/21

6:55 pm-12:25 pm

2 stops13h 30m

$536

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Tue 10/14

6:00 am-5:49 pm

2 stops16h 49m

Hilo Intl

Tue 10/21

6:55 pm-11:59 pm

2 stops24h 04m

$537

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Sat 10/25

6:00 am-10:19 pm

2 stops21h 19m

Hilo Intl

Fri 10/31

12:36 pm-6:22 am

2 stops12h 46m

$539

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Sun 10/26

9:20 am-5:40 pm

2 stops37h 20m

Hilo Intl

Fri 10/31

12:36 pm-6:22 am

2 stops12h 46m

$542

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Mon 10/6

7:45 am-6:10 pm

2 stops15h 25m

Hilo Intl

Tue 10/7

6:55 pm-3:10 pm

2 stops15h 15m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 39 results
1
2
3
4

Best time to book a flight from Illinois to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo 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 Hilo

What is the cheapest month to book a flight from Illinois to Hilo?

Currently, March is the cheapest month in which you can book a flight from Illinois to Hilo (average of $330). Flying from Illinois to Hilo in December is currently the most expensive (average of $726). 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 ITO?

Find hourly flight availability from Illinois to Hilo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Illinois to Hilo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hilo from Illinois?

    Located just 3.0 mi from the city center, Hilo Intl (ITO) is the airport most travelers will use when flying to Hilo from Illinois.

  • How long is the flight from Illinois to Hilo?

    Airlines like Alaska Airlines, Southwest, and Delta fly from Illinois to Hilo in about 15h 56m. The time it takes to get you to your destination can typically vary by up to 1h 49m. The distance between Illinois and Hilo is about 4026 mi. 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 Hilo one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $342. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Illinois to Hilo for a low price.

  • What are the most popular routes from Illinois to Hilo?

    The most popular flight routes from Illinois to Hilo are Chicago O'Hare Intl - Hilo Intl, Lambert-St Louis - Hilo Intl and Chicago Midway - Hilo Intl.

  • Can I find deals for flights from Illinois to Hilo that include hotel bookings?

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

  • How can I find direct flights from Illinois to Hilo?

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

  • Can I find deals for business class flights from Illinois to Hilo?

    Yes. Cheapflights offers flight deals from Illinois to Hilo 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 Hilo?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Hilo (average of $330). Flying from Illinois to Hilo in December is currently the most expensive (average of $726). 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 Hilo

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
Ontario to Honolulu flights
Seattle to Kailua-Kona flights
O'Hare Intl to Honolulu flights
Seattle to Kahului flights
Newark to Honolulu flights
San Francisco to Kahului flights
Minneapolis to Honolulu flights
San Diego to Honolulu flights
Los Angeles to Lihue flights
Dallas/Fort Worth to Honolulu flights
Portland to Honolulu flights
Seattle to Lihue flights
San Jose to Honolulu flights
Denver to Honolulu flights
Oakland to Honolulu flights
Dulles Intl to Honolulu flights
Sky Harbor Intl to Honolulu flights
Hobby to Honolulu flights
Los Angeles to Kailua-Kona flights
Las Vegas to Honolulu flights
Atlanta to Honolulu flights
Salt Lake City to Honolulu flights
LaGuardia to Honolulu flights
Portland to Kahului flights
George Bush Intcntl to Honolulu flights
San Francisco to Kailua-Kona flights
O'Hare Intl to Kahului flights
Boston to Honolulu flights
Sacramento to Honolulu flights
Denver to Kailua-Kona flights
San Francisco to Lihue flights
San Jose to Kahului flights
Portland to Kailua-Kona flights
Denver to Kahului flights
Detroit to Honolulu flights
Baltimore to Honolulu flights
San Diego to Kahului flights
Denver to Lihue flights
Long Beach to Honolulu flights
Reagan-National to Honolulu flights
Oakland to Kahului flights
Sacramento to Kahului flights
Salt Lake City to Kahului flights
Sky Harbor Intl to Kahului flights
John F Kennedy Intl to Kahului flights

Top 3 airlines flying from Illinois to Hilo

Discover the top 3 airlines that operate flights from Illinois to Hilo. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$553Average$878FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$598Average$763FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$747Average$1,162FlexibilityNo cancel feeOn-time69%

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.