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$636+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — HNL
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 3/105:55 pm
CPR
-
HNL
2 stops22h 16m
United Airlines
Tue 3/179:55 pm
HNL
-
CPR
2 stops17h 02m
United Airlines
Deal found 2/3$636
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 2/73:17 pm
CPR
-
HNL
2 stops24h 46m
United Airlines
Tue 2/1012:45 pm
HNL
-
CPR
2 stops20h 50m
United Airlines
Deal found 2/1$839
This United Airlines deal was found by Cheapflights users on 2/3. 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 9/246:01 pm
CPR
-
HNL
2 stops23h 39m
United Airlines
Mon 9/289:40 pm
HNL
-
CPR
2 stops20h 32m
United Airlines
Deal found 2/3$905
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/55:30 am
CPR
-
HNL
2 stops18h 38m
United Airlines
Sat 2/710:50 pm
HNL
-
CPR
2 stops20h 24m
United Airlines
Deal found 2/2$925
This United Airlines deal was found by Cheapflights users on 2/2. 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 10/17:00 am
CPR
-
HNL
2 stops16h 55m
United Airlines
Sat 10/107:50 pm
HNL
-
CPR
1 stop11h 03m
United Airlines
Deal found 2/2$937

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$636
(United Airlines)

Popular in

November

Cheapest in

September

Average price

$983
Provider with most accurate pricing for Casper Natrona County-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Casper Natrona County-Honolulu flights.
Search Deals
From Casper Natrona County to O'ahu
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 4, 2026.
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 3/10

5:55 pm-12:11 pm

2 stops22h 16m

Honolulu

Tue 3/17

9:55 pm-6:57 pm

2 stops17h 02m

$636

CasperHonolulu

CPR - HNL

CPRHNL

Casper Natrona County

Fri 5/22

9:26 am-3:13 pm

1 stop9h 47m

Honolulu

Sat 5/30

9:40 pm-2:39 pm

2 stops12h 59m

$1,039

CasperHonolulu

CPR - HNL

CPRHNL

Casper Natrona County

Thu 4/30

5:25 am-10:04 pm

2 stops20h 39m

Honolulu

Tue 5/12

9:40 pm-8:17 pm

2 stops18h 37m

$2,587

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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 February 4, 2026.
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
9,236 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 16m. 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.

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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$745Average$983FlexibilityNo cancel feeOn-time69%

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