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$755+ Cheap flights from Decatur, IL (DEC) to O'ahu

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — HNL
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,005
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-Honolulu flight deals.
Search Deals
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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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 April 2, 2025.

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.
Wed 10/1511:35 amDEC - HNL
2 stops31h 06mUnited Airlines
Sun 10/267:00 amHNL - DEC
2 stops22h 51mUnited Airlines
Deal found 3/31$755

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 April 2, 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

Wed 4/16

9:50 am-4:16 pm

2 stops35h 26m

Honolulu

Sun 4/20

5:15 pm-8:54 am

1 stop10h 39m

$1,005

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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.

Rainfall in O'ahu by month

Plan your trip to O'ahu by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in O'ahu ranges from 0.3 - 3.2 inches per month. December is typically the wettest month, when rainfall can reach 3.2 in. June is typically the driest time to visit O'ahu when rainfall is around 0.3 in.

Temperature in O'ahu by month

Plan your trip to O'ahu by taking into account the average temperature totals by month.

If weather is an important factor for your trip to O'ahu, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 April 2, 2025.
United Airlines
7.4
Good
8,616 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

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
8,616 reviews
United Airlines
7.4
Good
8,616 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

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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