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.

What is the cheapest month to fly from Casper to O'ahu?

November can be a great time to fly to O'ahu from Casper with a flight ticket averaging about $1,375. Cheapflights users have found deals in the month of November for as cheap as $506. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from CPR to FUW?

When flying from Casper to O'ahu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$733+ Flights from Casper to O'ahu

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Cheap flight deals from Casper to O'ahu

Round-trip from	$733 (United Airlines)
Popular in	December
Cheapest in	November
Average price	$1,084

From Casper Natrona County to O'ahu

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($387 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 19% potential price decrease ($228 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

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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 June 16, 2025.

Tue 8/195:30 amCPR - HNL

2 stops18h 19mUnited Airlines

Tue 8/268:00 amHNL - CPR

2 stops22h 50mUnited Airlines

Deal found 6/16

$733

Best flights from Casper to O'ahu
Discover carefully curated flight deals from Casper to O'ahu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2025.

Tue 8/195:30 amCPR - HNL

2 stops18h 19mUnited Airlines

Tue 8/268:00 amHNL - CPR

2 stops22h 50mUnited Airlines

Deal found 6/16

$733

Last-minute flights from Casper to O'ahu
Discover last-minute flight deals from Casper to O'ahu. Data last updated June 16, 2025 and is based on user searches.

Wed 6/185:30 amCPR - HNL

2 stops14h 59mUnited Airlines

Fri 6/209:40 pmHNL - CPR

2 stops15h 12mUnited Airlines

Deal found 6/15

$1,037

Cheapflights Fare Finder

Use the filters below to find and compare flights from Casper to O'ahu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CasperHonolulu

CPR - HNL

CPRHNL

Casper Natrona County

Tue 8/19

5:30 am-7:49 pm

2 stops18h 19m

Honolulu

Tue 8/26

8:00 am-10:50 am

2 stops22h 50m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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

Rainfall in O'ahu 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

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

United Airlines

7.4

Good

8,801 reviews

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

8,801 reviews

United Airlines

7.4

Good

8,801 reviews

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

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.
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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Casper to O'ahu

Top airline flying from Casper to O'ahu

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$850	Average$1,029	FlexibilityNo cancel fee	On-time69%

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$733+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Casper to O'ahu with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 June 16, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Casper to O'ahu

Cheapest flights from Casper to O'ahuExplore 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 June 16, 2025.

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 June 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Casper to O'ahu that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Casper to O'ahu

Rainfall in O'ahu by month

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

Temperature in O'ahu by month

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

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 June 16, 2025.

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?

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

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

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

What is the cheapest month to book a flight from Casper to O'ahu?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Casper to O'ahu

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Casper to O'ahu

100% Free

Book with Flexibility

Travel Smart

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 June 16, 2025.