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$684+ Cheap flights from Casper (CPR) 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — HNL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Casper to O'ahu

Keep the following information in mind while searching for Casper to O'ahu flight deals. Data was last updated September 17, 2025.

Round-trip from

$690
(United Airlines)
From Casper Natrona County to O'ahu
Search Deals

Find flight deals from Casper to O'ahu

Cheapest flights from Casper to O'ahu
Explore the most affordable flight options available from Casper to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 12/217:00 amCPR - HNL
2 stops18h 44mUnited Airlines
Sat 12/273:55 pmHNL - CPR
2 stops17h 51mUnited Airlines
Deal found 9/16$916
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/306:10 pmCPR - HNL
2 stops22h 04mUnited Airlines
Fri 1/29:55 pmHNL - CPR
1 stop9h 16mUnited Airlines
Deal found 9/15$1,303

Cheapflights Fare Finder

 
Customize your flight search to find flights from Casper 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 September 17, 2025.
Use the filters below to find and compare flights from Casper to O'ahu that are best for you.

Fly from

Casper

Fly to

O'ahu

Route

Depart

Return

Price

CasperHonolulu

CPR - HNL

CPRHNL

Casper Natrona County

Tue 1/20

6:04 pm-1:19 pm

2 stops22h 15m

Honolulu

Tue 1/27

9:57 am-10:53 am

2 stops21h 56m

$684

CasperHonolulu

CPR - HNL

CPRHNL

Casper Natrona County

Thu 2/26

7:00 am-9:21 pm

2 stops17h 21m

Honolulu

Mon 3/2

10:55 pm-10:12 pm

2 stops20h 17m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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

Have a flexible travel schedule? Discover the best time to fly to O'ahu from Casper 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 Casper to O'ahu
No data available for this route at this time. Please check back soon.

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 September 17, 2025.
See what other customers who have flown with United Airlines from Casper to O'ahu have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

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 Casper 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 Casper to O'ahu?

    Located just 8.1 mi from the city center, Casper Natrona County (CPR) is the airport most travelers will use when flying to O'ahu from Casper.

  • How long is the flight from Casper to O'ahu?

    Departing from Casper to O'ahu will take you 22h 15m. The distance between Casper and O'ahu is about 3295 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Casper 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 Casper to O'ahu?

    Currently, November is the cheapest month in which you can book a flight from Casper to O'ahu (average of $469). Flying from Casper 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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Top airline flying from Casper to O'ahu

Discover the top airline that operate flights from Casper to O'ahu. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$736Average$962FlexibilityNo cancel feeOn-time69%

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