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$425+ Cheap flights from Decatur, IL (DEC) to O'ahu

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — HNL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Decatur to O'ahu

Keep the following information in mind while searching for Decatur to O'ahu flight deals. Data was last updated July 31, 2025.

Round-trip from

$855
(United Airlines)

One-way from

$425
(United Airlines)
From Decatur Arpt to O'ahu
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One-way flight from Decatur Arpt to O'ahu
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Find flight deals from Decatur to O'ahu

Cheapest flights from Decatur to O'ahu
Explore the most affordable flight options available from Decatur to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

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.
Thu 8/149:30 amDEC - HNL
2 stops30h 47mUnited Airlines
Mon 8/188:30 amHNL - DEC
2 stops19h 26mUnited Airlines
Deal found 7/30$855

Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur to O'ahu 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 31, 2025.
Use the filters below to find and compare flights from Decatur to O'ahu that are best for you.

Fly from

Decatur

Fly to

O'ahu

Route

Depart

Return

Price

DecaturHonolulu

DEC - HNL

DECHNL

Decatur Arpt

Thu 8/14

9:30 am-11:17 am

2 stops30h 47m

Honolulu

Mon 8/18

8:30 am-8:56 am

2 stops19h 26m

$855

DecaturHonolulu

DEC - HNL

DECHNL

Decatur Arpt

Tue 9/2

9:42 am-6:33 pm

2 stops37h 51m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Decatur to O'ahu

Have a flexible travel schedule? Discover the best time to fly to O'ahu from Decatur 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 Decatur to O'ahu

What is the cheapest month to book a flight from Decatur, Illinois to O'ahu?

Currently, November is the cheapest month in which you can book a flight from Decatur, Illinois to O'ahu (average of $469). Flying from Decatur, Illinois to O'ahu in June is currently the most expensive (average of $687). 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.

Reviews of airlines servicing O'ahu

Get insights into the airlines that provide service to O'ahu. 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 O'ahu. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with United Airlines from Decatur to O'ahu to help guide your decision. 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.
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,900 reviews
United Airlines
7.4
Good
8,900 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Decatur to O'ahu. 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 from for flights from Decatur to O'ahu?

    Located just 4.7 mi from the city center, Decatur Arpt (DEC) is the airport most travelers will use when flying to O'ahu from Decatur.

  • Can I find deals for flights from Decatur to O'ahu that include hotel bookings?

    Yes. In addition to deals on Decatur to O'ahu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Decatur to O'ahu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Decatur to O'ahu.

  • Can I find deals for business class flights from Decatur to O'ahu?

    Yes. Cheapflights offers flight deals from Decatur to O'ahu 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 Decatur, Illinois to O'ahu?

    Currently, November is the cheapest month in which you can book a flight from Decatur, Illinois to O'ahu (average of $469). Flying from Decatur, Illinois to O'ahu in June is currently the most expensive (average of $687). 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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