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Hilo

$362+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ITO
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$833
(Alaska Airlines)

One-way from

$362
(Southwest)

Popular in

June

Cheapest in

November

Average price

$835
Provider with most accurate pricing for Chicago (CHI)-Hilo Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Hilo Intl flights.
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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. 15% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 9/16:20 amORD - ITO
2 stops13h 58mAlaska Airlines
Fri 9/58:39 amITO - ORD
2 stops15h 21mAlaska Airlines
Deal found 4/29$800
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 9/19:30 amORD - ITO
1 stop27h 37mUnited Airlines
Fri 9/56:00 amITO - ORD
2 stops26h 20mUnited Airlines
Deal found 4/29$806
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 10/247:00 amSTL - ITO
2 stops13h 18mAlaska Airlines
Sun 11/28:37 amITO - STL
2 stops35h 19mAlaska Airlines
Deal found 4/29$833
This Southwest deal was found by Cheapflights users on 4/27. 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.
Mon 5/55:00 amSTL - ITO
2 stops18h 10mSouthwest
Thu 5/86:00 amITO - STL
2 stops13h 50mSouthwest
Deal found 4/27$914
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/51:41 pmSTL - ITO
3 stops25h 14mUnited Airlines
Thu 5/88:40 amITO - STL
2 stops21h 23mUnited Airlines
Deal found 4/27$949
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 6/147:40 amORD - ITO
2 stops16h 49mDelta
Sat 6/214:25 pmITO - ORD
2 stops14h 27mDelta
Deal found 4/29$1,025
This Southwest deal was found by Cheapflights users on 4/29. 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.
Fri 10/245:40 amMDW - ITO
2 stops14h 00mSouthwest
Sat 11/13:25 pmITO - MDW
2 stops17h 15mSouthwest
Deal found 4/29$1,124
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 6/146:00 amMDW - ITO
2 stops17h 29mDelta
Sat 6/2110:44 amITO - MDW
2 stops17h 00mDelta
Deal found 4/29$1,439
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:48 amSTL - ITO
3 stops15h 22mMultiple Airlines
Thu 5/87:55 pmITO - STL
3 stops15h 38mMultiple Airlines
Deal found 4/27$1,653
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 6/99:00 amORD - ITO
2 stops13h 57mMultiple Airlines
Mon 6/162:50 pmITO - ORD
1 stop10h 29mMultiple Airlines
Deal found 4/29$1,699

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 April 29, 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

Mon 6/9

3:17 pm-11:04 am

2 stops24h 47m

Hilo Intl

Mon 6/16

4:25 pm-4:57 pm

2 stops19h 32m

$891

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 5/5

3:08 pm-9:55 am

2 stops23h 47m

Hilo Intl

Fri 5/9

7:30 am-2:08 pm

2 stops25h 38m

$897

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 5/5

5:00 am-6:10 pm

2 stops18h 10m

Hilo Intl

Thu 5/8

6:00 am-12:50 am

2 stops13h 50m

$914

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 5/5

1:41 pm-9:55 am

3 stops25h 14m

Hilo Intl

Thu 5/8

8:40 am-11:03 am

2 stops21h 23m

$949

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Sat 5/10

8:45 am-9:55 am

2 stops30h 10m

Hilo Intl

Sat 5/17

7:31 am-1:03 pm

2 stops24h 32m

$998

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Sat 6/14

7:40 am-7:29 pm

2 stops16h 49m

Hilo Intl

Sat 6/21

4:25 pm-11:52 am

2 stops14h 27m

$1,025

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Thu 7/17

8:20 am-6:10 pm

2 stops14h 50m

Hilo Intl

Sun 7/20

6:00 am-12:55 am

2 stops13h 55m

$1,299

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Sat 6/14

6:00 am-6:29 pm

2 stops17h 29m

Hilo Intl

Sat 6/21

10:44 am-8:44 am

2 stops17h 00m

$1,439

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 5/5

8:48 am-7:10 pm

3 stops15h 22m

Hilo Intl

Thu 5/8

7:55 pm-4:33 pm

3 stops15h 38m

$1,653

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Mon 6/9

9:00 am-5:57 pm

2 stops13h 57m

Hilo Intl

Mon 6/16

2:50 pm-6:19 am

1 stop10h 29m

$1,699

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 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 $737). 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 April 29, 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 April 29, 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
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

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 Southwest, with whom users have recently found tickets for as low as $362. However, be on the lookout for offers from Alaska Airlines 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 $737). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$553Average$651FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$681Average$763FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$735Average$1,120FlexibilityNo cancel feeOn-time69%

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