What airlines fly to O'ahu?

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to O'ahu from Helena according to our data. Alaska Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to O'ahu. Keep in mind that there are 4 different airlines that fly to O'ahu on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Helena Airport to O'ahu?

Prices for flights from Helena Airport to O'ahu refresh daily.

How many operators does momondo search for flights from Helena Airport to O'ahu?

As of December 2025, there is 1 operator available to choose from for flights from Helena Airport to O'ahu.

How old do you have to be to fly from Helena Airport to O'ahu?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to O'ahu.

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

The necessary travel and health documents for your O'ahu trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$482 Cheap Flights from Helena to O'ahu in 2025/26

1 adult

0 bags

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Find the cheapest flights from Helena to O'ahu

Round-trip

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:05 pm - 9:54 pm

HLN

HNL

11h 49m2 stops

10:30 pm - 10:35 pm

HNL

HLN

20h 05m2 stops

$482Delta

Sat, Feb 28 - Mon, Mar 9

4:36 pm - 10:50 am

HLN

HNL

21h 14m2 stops

3:02 pm - 3:59 pm

HNL

HLN

21h 57m2 stops

$491Multiple Airlines

Mon, Feb 23 - Thu, Feb 26

4:36 pm - 7:55 pm

HLN

HNL

30h 19m1 stop

11:35 pm - 3:59 pm

HNL

HLN

12h 24m1 stop

$492Multiple Airlines

Sat, Feb 28 - Sun, Mar 8

6:48 pm - 11:18 am

HLN

HNL

19h 30m2 stops

12:38 pm - 6:11 pm

HNL

HLN

26h 33m2 stops

$493Multiple Airlines

Mon, Jan 26 - Wed, Jan 28

1:05 pm - 9:54 pm

HLN

HNL

11h 49m2 stops

7:45 am - 10:27 pm

HNL

HLN

11h 42m2 stops

$501Delta

Thu, Feb 26 - Fri, Mar 6

4:36 pm - 2:17 pm

HLN

HNL

24h 41m1 stop

9:45 pm - 3:59 pm

HNL

HLN

15h 14m1 stop

$502Multiple Airlines

Thu, Feb 26 - Thu, Mar 5

4:36 pm - 7:55 pm

HLN

HNL

30h 19m1 stop

8:45 pm - 3:59 pm

HNL

HLN

15h 14m1 stop

$503Multiple Airlines

Sat, Feb 28 - Mon, Mar 9

1:05 pm - 9:54 pm

HLN

HNL

11h 49m2 stops

7:45 am - 10:27 pm

HNL

HLN

11h 42m2 stops

$511Delta

Sat, Feb 28 - Thu, Mar 5

4:36 pm - 7:55 pm

HLN

HNL

30h 19m1 stop

8:45 pm - 3:59 pm

HNL

HLN

15h 14m1 stop

$513Multiple Airlines

Thu, Feb 26 - Mon, Mar 9

1:05 pm - 9:54 pm

HLN

HNL

11h 49m2 stops

7:45 am - 10:27 pm

HNL

HLN

11h 42m2 stops

$520Delta

Thu, Feb 26 - Thu, Mar 5

Delta flights from Helena to O'ahu

Our best Delta deals on Helena to O'ahu flight tickets

Delta

Feb 28

HLN1:05 pmHelena

11h 49m

2 stops

HNL9:54 pmHonolulu

Mar 9

HNL10:30 pmHonolulu

20h 05m

2 stops

HLN10:35 pmHelena

$482

Find similar

Delta

Feb 26

HLN1:05 pmHelena

11h 49m

2 stops

HNL9:54 pmHonolulu

Mar 6

HNL7:45 amHonolulu

11h 42m

2 stops

HLN10:27 pmHelena

$501

Find similar

Delta

Feb 28

HLN1:05 pmHelena

11h 49m

2 stops

HNL9:54 pmHonolulu

Mar 5

HNL7:45 amHonolulu

11h 42m

2 stops

HLN10:27 pmHelena

$511

Find similar

United Airlines flights from Helena to O'ahu

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

United Airlines

Dec 18

HLN6:10 amHelena

14h 19m

2 stops

HNL5:29 pmHonolulu

Dec 25

HNL10:50 pmHonolulu

11h 55m

1 stop

HLN1:45 pmHelena

$1,248

Find similar

United Airlines

Dec 18

HLN6:10 amHelena

19h 34m

3 stops

HNL10:44 pmHonolulu

Dec 25

HNL5:03 pmHonolulu

17h 42m

2 stops

HLN1:45 pmHelena

$1,565

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Sat 2/28

1:05 pm-9:54 pm

2 stops11h 49m

Honolulu

Mon 3/9

10:30 pm-10:35 pm

2 stops20h 05m

$482

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Mon 2/23

4:36 pm-10:50 am

2 stops21h 14m

Honolulu

Thu 2/26

3:02 pm-3:59 pm

2 stops21h 57m

$491

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Sat 2/28

4:36 pm-7:55 pm

1 stop30h 19m

Honolulu

Sun 3/8

11:35 pm-3:59 pm

1 stop12h 24m

$492

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Mon 1/26

6:48 pm-11:18 am

2 stops19h 30m

Honolulu

Wed 1/28

12:38 pm-6:11 pm

2 stops26h 33m

$493

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Thu 2/26

1:05 pm-9:54 pm

2 stops11h 49m

Honolulu

Fri 3/6

7:45 am-10:27 pm

2 stops11h 42m

$501

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Thu 2/26

4:36 pm-2:17 pm

1 stop24h 41m

Honolulu

Thu 3/5

9:45 pm-3:59 pm

1 stop15h 14m

$502

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Sat 2/28

4:36 pm-7:55 pm

1 stop30h 19m

Honolulu

Mon 3/9

8:45 pm-3:59 pm

1 stop15h 14m

$503

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Sat 2/28

1:05 pm-9:54 pm

2 stops11h 49m

Honolulu

Thu 3/5

7:45 am-10:27 pm

2 stops11h 42m

$511

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Thu 2/26

4:36 pm-7:55 pm

1 stop30h 19m

Honolulu

Mon 3/9

8:45 pm-3:59 pm

1 stop15h 14m

$513

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Thu 2/26

1:05 pm-9:54 pm

2 stops11h 49m

Honolulu

Thu 3/5

7:45 am-10:27 pm

2 stops11h 42m

$520

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Helena 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

What is the cheapest day to depart on your flight to O'ahu?

According to our data, Friday is the cheapest day to fly to O'ahu from Helena. The lowest ticket price found for a Friday departure recently was $607. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to O'ahu on Sunday is $879.

What is the cheapest time of day to depart on your flight to O'ahu?

According to our data, the cheapest time of day to fly to O'ahu is at noon. momondo users have found flights departing from Helena to O'ahu at noon for as low as $562. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $786.

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

You could potentially save up to 36% on your flight if you consider stops on a Helena to O'ahu flight.

Cheap Helena to O'ahu flight deals and tips

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

Fastest flight time	13h 33m
Direct flights	None

The fastest flight from Helena to O'ahu takes 13h 33m

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

Search flight deals

When did momondo last update prices for flights from Helena Airport to O'ahu?
Prices for flights from Helena Airport to O'ahu refresh daily.
How many operators does momondo search for flights from Helena Airport to O'ahu?
As of December 2025, there is 1 operator available to choose from for flights from Helena Airport to O'ahu.
How old do you have to be to fly from Helena Airport to O'ahu?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to O'ahu.
What documentation or ID do you need to fly to O'ahu?
The necessary travel and health documents for your O'ahu trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Helena to O'ahu?
Based on momondo bookings for flights between Helena and O'ahu, the leading plane model is Embraer 175 (Enhanced Winglets), making up 32.37% of the total bookings. Other popular models include Embraer 175 with 12.23%, Canadair (Bombardier) Regional Jet with 10.07%, and Boeing 737-800 with 7.91%.

Best airlines flying from Helena to O'ahu

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

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $461	Free Cancellation	Rating 8.0 11,451 reviews		Search Alaska Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helena to O'ahu. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Helena to O'ahu with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Helena 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 Helena to O'ahu right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Helena to O'ahu flights. All you need is a valid email address and we will do the rest; it is that quick and easy.