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Hilo

$414+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ITO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$674
(Southwest)

One-way from

$414
(Alaska Airlines)

Popular in

June

Cheapest in

November

Average price

$817
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. 14% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:15 amORD - ITO
2 stops16h 55mSouthwest
Thu 5/156:00 amITO - ORD
2 stops12h 40mSouthwest
Deal found 3/30$674
This Southwest deal was found by Cheapflights users on 3/29. 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.
Thu 4/109:25 pmMDW - ITO
2 stops22h 15mSouthwest
Thu 4/176:00 amITO - MDW
2 stops12h 20mSouthwest
Deal found 3/29$754
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 10/277:00 amORD - ITO
2 stops28h 57mAlaska Airlines
Thu 10/306:00 amITO - ORD
2 stops18h 04mAlaska Airlines
Deal found 3/30$769
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/135:55 pmORD - ITO
2 stops29h 05mUnited Airlines
Tue 5/208:22 amITO - ORD
2 stops29h 33mUnited Airlines
Deal found 3/30$806
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 4/141:43 pmSTL - ITO
2 stops33h 18mUnited Airlines
Fri 4/185:35 pmITO - STL
2 stops14h 12mUnited Airlines
Deal found 3/30$814
This Delta deal was found by Cheapflights users on 3/29. 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.
Sun 4/136:00 amMDW - ITO
2 stops17h 00mDelta
Tue 4/1510:24 amITO - MDW
2 stops17h 16mDelta
Deal found 3/29$840
This Delta deal was found by Cheapflights users on 3/29. 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.
Sun 4/137:05 amORD - ITO
2 stops15h 55mDelta
Wed 4/1610:24 amITO - ORD
2 stops16h 31mDelta
Deal found 3/29$840
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 4/148:55 amMLI - ITO
2 stops38h 06mUnited Airlines
Fri 4/186:00 amITO - MLI
2 stops34h 03mUnited Airlines
Deal found 3/30$1,082
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/1510:58 amPIA - ITO
2 stops36h 02mUnited Airlines
Sat 4/195:35 pmITO - PIA
2 stops39h 22mUnited Airlines
Deal found 3/31$1,178
This American Airlines deal was found by Cheapflights users on 3/30. 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 10/156:00 amORD - ITO
2 stops15h 57mAmerican Airlines
Tue 10/281:25 pmITO - ORD
1 stop12h 45mAmerican Airlines
Deal found 3/30$1,280
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 6/96:00 amMLI - ITO
3 stops19h 08mAmerican Airlines
Tue 6/176:10 pmITO - MLI
3 stops16h 14mAmerican Airlines
Deal found 3/30$1,664
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 5/129:30 amORD - ITO
1 stop13h 31mMultiple Airlines
Mon 5/191:43 pmITO - ORD
1 stop11h 42mMultiple Airlines
Deal found 3/30$1,678

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 March 31, 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

Thu 5/8

6:15 am-6:10 pm

2 stops16h 55m

Hilo Intl

Thu 5/15

6:00 am-11:40 pm

2 stops12h 40m

$674

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Thu 4/10

9:25 pm-2:40 pm

2 stops22h 15m

Hilo Intl

Thu 4/17

6:00 am-11:20 pm

2 stops12h 20m

$754

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Tue 5/6

6:58 pm-11:56 am

2 stops21h 58m

Hilo Intl

Tue 5/13

3:05 pm-6:20 pm

2 stops22h 15m

$771

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Tue 5/13

5:55 pm-6:00 pm

2 stops29h 05m

Hilo Intl

Tue 5/20

8:22 am-6:55 pm

2 stops29h 33m

$806

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 4/14

1:43 pm-6:01 pm

2 stops33h 18m

Hilo Intl

Fri 4/18

5:35 pm-12:47 pm

2 stops14h 12m

$814

ChicagoHilo

MDW - ITO

MDWITO

Chicago Midway

Sun 4/13

6:00 am-6:00 pm

2 stops17h 00m

Hilo Intl

Tue 4/15

10:24 am-8:40 am

2 stops17h 16m

$840

ChicagoHilo

ORD - ITO

ORDITO

Chicago O'Hare Intl

Sun 4/13

7:05 am-6:00 pm

2 stops15h 55m

Hilo Intl

Wed 4/16

10:24 am-7:55 am

2 stops16h 31m

$840

MolineHilo

MLI - ITO

MLIITO

Moline Quad-City

Mon 4/14

8:55 am-6:01 pm

2 stops38h 06m

Hilo Intl

Fri 4/18

6:00 am-9:03 pm

2 stops34h 03m

$1,082

PeoriaHilo

PIA - ITO

PIAITO

Greater Peoria

Tue 4/15

10:58 am-6:00 pm

2 stops36h 02m

Hilo Intl

Sat 4/19

5:35 pm-1:57 pm

2 stops39h 22m

$1,178

MolineHilo

MLI - ITO

MLIITO

Moline Quad-City

Mon 6/9

6:00 am-8:08 pm

3 stops19h 08m

Hilo Intl

Tue 6/17

6:10 pm-3:24 pm

3 stops16h 14m

$1,664

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 17 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 $768). 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 March 31, 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 March 31, 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
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $414. However, be on the lookout for offers from United Airlines and American 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 $768). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Hilo

Discover the top 2 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$681Average$763FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$735Average$928FlexibilityNo cancel feeOn-time69%
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