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$682+ 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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — HNL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Decatur to O'ahu

Best flights from Decatur to O'ahu
Discover carefully curated flight deals from Decatur to O'ahu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/20. 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 3/27:15 pmDEC - HNL
2 stops25h 31mUnited Airlines
Wed 3/48:45 pmHNL - DEC
2 stops17h 13mUnited Airlines
Deal found 12/20$689

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$689
(United Airlines)

One-way from

$682
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-Honolulu flight deals.
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Provider most trusted by Cheapflights users for Decatur Arpt-Honolulu flights.
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From Decatur Arpt to O'ahu
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One-way flight from Decatur Arpt to O'ahu
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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 December 23, 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

Mon 3/2

7:15 pm-4:46 pm

2 stops25h 31m

Honolulu

Wed 3/4

8:45 pm-5:58 pm

2 stops17h 13m

$689

DecaturHonolulu

DEC - HNL

DECHNL

Decatur Arpt

Sat 1/3

9:44 am-10:44 pm

2 stops17h 00m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 $543). Flying from Decatur, Illinois to O'ahu in July is currently the most expensive (average of $1,000). 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.

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.

  • How long is the flight from Decatur, Illinois to O'ahu?

    Airlines like United Airlines fly from Decatur, Illinois to O'ahu in about 25h 31m. The time it takes to get you to your destination can typically vary by up to . There are 4195 mi between Decatur, Illinois and O'ahu.

  • 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 $543). Flying from Decatur, Illinois to O'ahu in July is currently the most expensive (average of $1,000). 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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