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Hilo

$336+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ITO
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$464
(Alaska Airlines)

One-way from

$210
(Alaska Airlines)

Popular in

June

Cheapest in

November

Average price

$853
From Illinois to Hilo Intl
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One-way flight from Illinois to Hilo Intl
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Highest demand for flights based on searches. 12% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 30, 2025.

This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:20 amORD - ITO
2 stops15h 10mAlaska Airlines
Mon 11/107:43 pmITO - ORD
2 stops19h 16mAlaska Airlines
Deal found 7/30$419
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 stops21h 17mAlaska Airlines
Thu 9/259:00 pmITO - STL
2 stops15h 34mAlaska Airlines
Deal found 7/29$476
This Southwest deal was found by Cheapflights users on 7/29. 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 9/26:15 amORD - ITO
2 stops16h 55mSouthwest
Tue 9/93:25 pmITO - ORD
2 stops18h 00mSouthwest
Deal found 7/29$532
This Southwest deal was found by Cheapflights users on 7/27. 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 11/45:15 amMDW - ITO
2 stops16h 55mSouthwest
Sat 11/86:00 amITO - MDW
2 stops12h 45mSouthwest
Deal found 7/27$694
This United Airlines deal was found by Cheapflights users on 7/29. 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 stops28h 07mUnited Airlines
Tue 10/216:00 amITO - STL
3 stops35h 00mUnited Airlines
Deal found 7/29$831
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 9/279:20 amMDW - ITO
2 stops40h 10mDelta
Mon 9/299:43 amITO - MDW
2 stops26h 52mDelta
Deal found 7/28$906
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 9/278:39 amPIA - ITO
2 stops37h 17mUnited Airlines
Tue 9/306:00 amITO - PIA
2 stops34h 05mUnited Airlines
Deal found 7/28$1,048
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:00 amMLI - ITO
2 stops30h 23mUnited Airlines
Wed 10/297:25 pmITO - MLI
2 stops44h 36mUnited Airlines
Deal found 7/30$1,156
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 10/241:25 pmEVV - ITO
2 stops34h 55mDelta
Tue 10/286:26 pmITO - EVV
2 stops37h 19mDelta
Deal found 7/29$1,218
This American Airlines deal was found by Cheapflights users on 7/28. 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 10/156:20 amMLI - ITO
2 stops14h 56mAmerican Airlines
Wed 10/293:15 pmITO - MLI
2 stops14h 44mAmerican Airlines
Deal found 7/28$1,234
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 11/86:20 amPIA - ITO
2 stops16h 41mAmerican Airlines
Sat 11/154:34 pmITO - PIA
2 stops13h 02mAmerican Airlines
Deal found 7/29$1,254
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:20 amMLI - ITO
3 stops16h 29mMultiple Airlines
Wed 10/298:55 amITO - MLI
2 stops20h 19mMultiple Airlines
Deal found 7/30$1,383

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 July 30, 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 10/14

6:00 am-10:19 pm

2 stops21h 19m

Hilo Intl

Tue 10/21

6:13 pm-2:50 pm

2 stops15h 37m

$464

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 9/23

6:00 am-10:17 pm

2 stops21h 17m

Hilo Intl

Thu 9/25

9:00 pm-5:34 pm

2 stops15h 34m

$476

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Tue 9/2

6:15 am-6:10 pm

2 stops16h 55m

Hilo Intl

Tue 9/9

3:25 pm-2:25 pm

2 stops18h 00m

$532

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Tue 8/19

6:10 am-6:10 pm

2 stops17h 00m

Hilo Intl

Fri 8/22

6:00 am-11:25 pm

2 stops12h 25m

$714

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Tue 9/2

9:30 am-8:07 am

1 stop27h 37m

Hilo Intl

Tue 9/9

7:47 am-6:23 am

1 stop17h 36m

$738

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 9/23

9:00 am-8:07 am

2 stops28h 07m

Hilo Intl

Tue 10/21

6:00 am-10:00 pm

3 stops35h 00m

$831

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Sat 9/27

9:20 am-8:30 pm

2 stops40h 10m

Hilo Intl

Mon 9/29

9:43 am-5:35 pm

2 stops26h 52m

$906

PeoriaHilo

PIA - ITO

PIAITO

Greater Peoria

Sat 9/27

8:39 am-4:56 pm

2 stops37h 17m

Hilo Intl

Tue 9/30

6:00 am-9:05 pm

2 stops34h 05m

$1,048

MolineHilo

MLI - ITO

MLIITO

Moline Quad-City

Wed 10/15

9:00 am-10:23 am

2 stops30h 23m

Hilo Intl

Wed 10/29

7:25 pm-9:01 pm

2 stops44h 36m

$1,156

EvansvilleHilo

EVV - ITO

EVVITO

Evansville Dress Regional

Fri 10/24

1:25 pm-7:20 pm

2 stops34h 55m

Hilo Intl

Tue 10/28

5:26 pm-12:45 pm

2 stops38h 19m

$1,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 19 results
1
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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 $717). 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 July 30, 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.

Reviews of airlines servicing Hilo

Get insights into the airlines that provide service to Hilo. 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 Hilo. Reviews last updated July 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Illinois to Hilo have to say. 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

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

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

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

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
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

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.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

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 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.

  • What are the cheapest airlines to fly from Illinois to Hilo one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $210. 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 $717). 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 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$593Average$936FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$598Average$763FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$747Average$1,137FlexibilityNo cancel feeOn-time69%

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