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Hilo

$342+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ITO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$466
(Alaska Airlines)

One-way from

$342
(Alaska Airlines)

Popular in

June

Cheapest in

November

Average price

$1,228
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. 11% potential increase in price ($111 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 June 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 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.
Wed 9/241:01 pmORD - ITO
2 stops33h 36mAlaska Airlines
Tue 9/308:36 amITO - ORD
2 stops34h 23mAlaska Airlines
Deal found 6/10$466
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 9/206:00 amSTL - ITO
2 stops21h 16mAlaska Airlines
Sat 10/47:49 pmITO - STL
2 stops23h 10mAlaska Airlines
Deal found 6/10$604
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:40 amMDW - ITO
2 stops14h 30mSouthwest
Tue 8/193:25 pmITO - MDW
2 stops15h 50mSouthwest
Deal found 6/11$644
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/153:18 pmORD - ITO
2 stops20h 42mMultiple Airlines
Tue 7/226:00 amITO - ORD
2 stops19h 03mMultiple Airlines
Deal found 6/10$692
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/276:15 amORD - ITO
2 stops20h 25mSouthwest
Fri 7/43:20 pmITO - ORD
2 stops16h 45mSouthwest
Deal found 6/11$814
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.
Sun 8/249:30 amORD - ITO
1 stop13h 58mUnited Airlines
Thu 9/48:36 amITO - ORD
2 stops22h 10mUnited Airlines
Deal found 6/10$838
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.
Wed 11/125:29 pmSTL - ITO
3 stops29h 29mUnited Airlines
Wed 12/36:49 pmITO - STL
2 stops35h 38mUnited Airlines
Deal found 6/11$910
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.
Fri 7/47:05 amORD - ITO
2 stops14h 49mDelta
Thu 7/104:25 pmITO - ORD
2 stops19h 55mDelta
Deal found 6/10$927
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.
Wed 10/159:00 amMLI - ITO
2 stops30h 19mUnited Airlines
Wed 10/297:26 pmITO - MLI
2 stops44h 37mUnited Airlines
Deal found 6/11$1,029
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.
Tue 7/156:00 amMDW - ITO
2 stops15h 54mDelta
Tue 7/2212:14 pmITO - MDW
2 stops15h 30mDelta
Deal found 6/10$1,274
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.
Thu 10/236:00 amORD - ITO
2 stops13h 53mAmerican Airlines
Sun 10/269:24 amITO - ORD
1 stop16h 46mAmerican Airlines
Deal found 6/12$1,387
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 6/177:00 amMLI - ITO
3 stops18h 29mAmerican Airlines
Tue 6/247:00 pmITO - MLI
3 stops18h 01mAmerican Airlines
Deal found 6/10$2,289

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 June 12, 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 8/12

1:03 pm-5:38 pm

2 stops33h 35m

Hilo Intl

Tue 8/26

8:36 am-10:04 pm

2 stops32h 28m

$466

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Wed 8/13

8:40 am-6:10 pm

2 stops14h 30m

Hilo Intl

Tue 8/19

3:25 pm-12:15 pm

2 stops15h 50m

$644

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Tue 7/15

3:18 pm-7:00 am

2 stops20h 42m

Hilo Intl

Tue 7/22

6:00 am-6:03 am

2 stops19h 03m

$692

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Fri 6/27

6:15 am-9:40 pm

2 stops20h 25m

Hilo Intl

Fri 7/4

3:20 pm-1:05 pm

2 stops16h 45m

$814

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Sun 8/24

9:30 am-6:28 pm

1 stop13h 58m

Hilo Intl

Thu 9/4

8:36 am-11:46 am

2 stops22h 10m

$838

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Fri 7/4

7:05 am-4:54 pm

2 stops14h 49m

Hilo Intl

Thu 7/10

4:25 pm-5:20 pm

2 stops19h 55m

$927

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Wed 6/18

4:32 pm-8:08 am

2 stops44h 36m

Hilo Intl

Mon 6/23

5:25 pm-8:48 pm

2 stops22h 23m

$1,074

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Tue 7/15

6:00 am-4:54 pm

2 stops15h 54m

Hilo Intl

Tue 7/22

12:14 pm-8:44 am

2 stops15h 30m

$1,274

MolineHilo

MLI - ITO

MLIITO

Moline Quad-City

Tue 6/17

9:05 am-8:08 am

2 stops28h 03m

Hilo Intl

Tue 6/24

7:49 am-10:20 am

2 stops21h 31m

$1,539

MolineHilo

MLI - ITO

MLIITO

Moline Quad-City

Tue 6/17

7:00 am-8:29 pm

3 stops18h 29m

Hilo Intl

Tue 6/24

7:00 pm-6:01 pm

3 stops18h 01m

$2,289

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 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 July 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 June 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 Hilo as you normally would.

Rainfall in Hilo by month

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

In terms of precipitation, rainfall in Hilo ranges from 7.4 - 15.5 inches per month. November is typically the wettest month, when rainfall can reach 15.5 in. June is typically the driest time to visit Hilo when rainfall is around 7.4 in.

Temperature in Hilo by month

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

If weather is an important factor for your trip to Hilo, 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 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 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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Illinois to Hilo have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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 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 $342. However, be on the lookout for offers from Southwest and United Airlines, 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, Chicago Midway - Hilo Intl and Lambert-St Louis - 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 July 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

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Alternative routes for Illinois to Hilo

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$553Average$651FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$681Average$763FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$735Average$1,137FlexibilityNo cancel feeOn-time69%

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