What is the cheapest airline that flies from Casper Natrona County to O'ahu?

United Airlines is the most popular carrier operating from Casper Natrona County to O'ahu

When did momondo last update prices for flights from Casper Natrona County Airport to O'ahu?

Prices for flights from Casper Natrona County Airport to O'ahu are updated daily.

How many operators does momondo search for flights from Casper Natrona County Airport to O'ahu?

The number of operators available for flights from Casper Natrona County Airport to O'ahu is 1 as of September 2026.

How old do you have to be to fly from Casper Natrona County Airport to O'ahu?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Casper Natrona County Airport to O'ahu.

What documentation or ID do you need to fly to O'ahu?

The travel and health documents required for your trip to O'ahu can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at O'ahu. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$515 Cheap Flights from Casper to O'ahu in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Casper to O'ahu

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 am - 8:03 pmCPR Casper Natrona County-HNL Honolulu

16h 48m2 stops Denver Intl Los Angeles

1:25 pm - 10:48 amHNL Honolulu-CPR Casper Natrona County

17h 23m2 stops San Francisco Denver Intl

$837United Airlines

Wed, Oct 7 - Wed, Oct 14

6:05 pm - 1:04 pmCPR Casper Natrona County-HNL Honolulu

21h 59m2 stops Denver Intl San Francisco

8:00 am - 9:23 amHNL Honolulu-CPR Casper Natrona County

22h 23m2 stops San Francisco Denver Intl

$1,006United Airlines

Mon, Dec 7 - Wed, Dec 9

6:00 pm - 11:40 amCPR Casper Natrona County-HNL Honolulu

21h 40m2 stops Denver Intl San Francisco

1:00 pm - 12:39 pmHNL Honolulu-CPR Casper Natrona County

19h 39m2 stops Los Angeles Denver Intl

$1,026United Airlines

Thu, Oct 8 - Mon, Oct 12

6:05 pm - 1:04 pmCPR Casper Natrona County-HNL Honolulu

21h 59m2 stops Denver Intl San Francisco

8:00 am - 9:23 amHNL Honolulu-CPR Casper Natrona County

22h 23m2 stops San Francisco Denver Intl

$1,036United Airlines

Mon, Dec 7 - Wed, Dec 9

5:15 am - 5:29 pmCPR Casper Natrona County-HNL Honolulu

15h 14m2 stops Denver Intl San Francisco

10:50 pm - 6:53 pmHNL Honolulu-CPR Casper Natrona County

17h 03m2 stops Los Angeles Denver Intl

$1,055United Airlines

Mon, Nov 9 - Mon, Nov 9

8:45 am - 8:10 pmCPR Casper Natrona County-HNL Honolulu

15h 25m2 stops Denver Intl Los Angeles

9:40 pm - 8:17 pmHNL Honolulu-CPR Casper Natrona County

18h 37m2 stops Los Angeles Denver Intl

$1,077United Airlines

Wed, Sep 23 - Sun, Sep 27

8:45 am - 8:10 pmCPR Casper Natrona County-HNL Honolulu

15h 25m2 stops Denver Intl Los Angeles

9:40 pm - 10:04 pmHNL Honolulu-CPR Casper Natrona County

20h 24m2 stops Los Angeles Denver Intl

$1,077United Airlines

Tue, Sep 22 - Fri, Sep 25

5:00 am - 8:56 pmCPR Casper Natrona County-HNL Honolulu

18h 56m2 stops Denver Intl Los Angeles

10:50 pm - 8:42 pmHNL Honolulu-CPR Casper Natrona County

18h 52m2 stops Los Angeles Denver Intl

$1,082United Airlines

Mon, Dec 7 - Wed, Dec 9

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United Airlines flights from Casper to O'ahu

Our best United Airlines deals on Casper to O'ahu flight tickets

United Airlines

Oct 7

CPR7:15 amCasper Natrona County

16h 48m

2 stops

HNL8:03 pmHonolulu

Oct 14

HNL1:25 pmHonolulu

17h 23m

2 stops

CPR10:48 amCasper Natrona County

$837

United Airlines

Dec 7

CPR6:05 pmCasper Natrona County

21h 59m

2 stops

HNL1:04 pmHonolulu

Dec 9

HNL8:00 amHonolulu

22h 23m

2 stops

CPR9:23 amCasper Natrona County

$1,006

United Airlines

Oct 8

CPR6:00 pmCasper Natrona County

21h 40m

2 stops

HNL11:40 amHonolulu

Oct 12

HNL1:00 pmHonolulu

19h 39m

2 stops

CPR12:39 pmCasper Natrona County

$1,026

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Wed 10/7

7:15 am-8:03 pm

2 stops16h 48m

Honolulu

Wed 10/14

1:25 pm-10:48 am

2 stops17h 23m

$837

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Mon 12/7

6:05 pm-1:04 pm

2 stops21h 59m

Honolulu

Wed 12/9

8:00 am-9:23 am

2 stops22h 23m

$1,006

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Thu 10/8

6:00 pm-11:40 am

2 stops21h 40m

Honolulu

Mon 10/12

1:00 pm-12:39 pm

2 stops19h 39m

$1,026

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Mon 12/7

6:05 pm-1:04 pm

2 stops21h 59m

Honolulu

Wed 12/9

8:00 am-9:23 am

2 stops22h 23m

$1,036

Quickest round-trip

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Mon 11/9

5:15 am-5:29 pm

2 stops15h 14m

Honolulu

Mon 11/9

10:50 pm-6:53 pm

2 stops17h 03m

$1,055

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Wed 9/23

8:45 am-8:10 pm

2 stops15h 25m

Honolulu

Sun 9/27

9:40 pm-8:17 pm

2 stops18h 37m

$1,077

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Tue 9/22

8:45 am-8:10 pm

2 stops15h 25m

Honolulu

Fri 9/25

9:40 pm-10:04 pm

2 stops20h 24m

$1,077

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Mon 12/7

5:00 am-8:56 pm

2 stops18h 56m

Honolulu

Wed 12/9

10:50 pm-8:42 pm

2 stops18h 52m

$1,082

Cheapest one-way

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Mon 11/9

5:15 am-8:56 pm

2 stops18h 41m

$515

CasperHonolulu

CPR Casper Natrona County - HNL Honolulu

CPRHNL

Casper Natrona County

Mon 11/9

5:15 am-8:56 pm

2 stops18h 41m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Casper to O'ahu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Casper to O'ahu flights?

No. A direct flight is the cheapest option for a flight between Casper to O'ahu.

Cheap Casper to O'ahu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Casper to O'ahu

Best Price Found	$515
Fastest flight time	15h 25m
Direct flights	None

The best one-way flight to O'ahu from Casper in the past 72 hours is $515. The best round-trip flight deal from Casper to O'ahu found on momondo in the last 72 hours is $837.

The fastest flight from Casper to O'ahu takes 15h 25m

There are no direct flights from Casper to O'ahu. There are no popular flight routes from Casper to O'ahu.

Search flight deals

Frequently asked questions about flying from Casper to O'ahu

When did momondo last update prices for flights from Casper Natrona County Airport to O'ahu?
Prices for flights from Casper Natrona County Airport to O'ahu are updated daily.
How many operators does momondo search for flights from Casper Natrona County Airport to O'ahu?
The number of operators available for flights from Casper Natrona County Airport to O'ahu is 1 as of September 2026.
How old do you have to be to fly from Casper Natrona County Airport to O'ahu?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Casper Natrona County Airport to O'ahu.
What documentation or ID do you need to fly to O'ahu?
The travel and health documents required for your trip to O'ahu can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at O'ahu. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Casper to O'ahu?
momondo data reveals that the most frequently booked plane model on the route from Casper to O'ahu is Embraer 170, representing 28.00% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 26.00%, Canadair (Bombardier) Regional Jet at 18.00%, and Canadair (Bombardier) Regional Jet 200 at 10.00%.

Best airlines flying from Casper to O'ahu

Compare and see reviews for airlines that fly from Casper to O'ahu with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $983	Free Cancellation	Rating 7.4 10,207 reviews		Search United Airlines flights

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Why should I use momondo to find a flight deal from Casper to O'ahu?

It is quick and easy to find Casper to O'ahu flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to O'ahu that suits you.

Can I find flights from Casper to O'ahu with flexible booking policies on momondo?

Yes. All flights to O'ahu from Casper on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Casper to O'ahu?

Once all potential Casper to O'ahu flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Casper to O'ahu right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Casper to O'ahu now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to O'ahu and let you know when they change.