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 64% 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 August 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.

$583 Cheap Flights from Helena to O'ahu in 2025

1 adult

0 bags

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Find the cheapest flights from Helena to O'ahu

Round-trip

Cheap round-trip flights

4:02 pm - 8:55 pmHLN-HNL

32h 53m2 stops

8:43 pm - 3:21 pmHNL-HLN

14h 38m2 stops

$583Alaska Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

4:02 pm - 11:37 amHLN-HNL

23h 35m1 stop

10:35 am - 3:21 pmHNL-HLN

24h 46m1 stop

$623Alaska Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

4:02 pm - 11:46 pmHLN-HNL

11h 44m1 stop

3:36 pm - 3:21 pmHNL-HLN

19h 45m2 stops

$641Alaska Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 23

4:02 pm - 10:03 pmHLN-HNL

10h 01m1 stop

11:09 pm - 3:21 pmHNL-HLN

12h 12m1 stop

$662Alaska Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

4:02 pm - 11:32 amHLN-HNL

23h 30m1 stop

1:10 pm - 3:21 pmHNL-HLN

22h 11m1 stop

$664Alaska Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

4:02 pm - 10:41 pmHLN-HNL

34h 39m2 stops

12:34 pm - 3:21 pmHNL-HLN

22h 47m2 stops

$694Alaska Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

4:02 pm - 10:41 pmHLN-HNL

34h 39m2 stops

1:30 pm - 3:21 pmHNL-HLN

21h 51m2 stops

$695Alaska Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

5:20 pm - 11:18 amHLN-HNL

21h 58m2 stops

9:40 pm - 4:40 pmHNL-HLN

15h 00m2 stops

$780United Airlines

Find Deal

Thu, Sep 18 - Thu, Sep 25

4:02 pm - 11:46 pmHLN-HNL

11h 44m1 stop

9:41 pm - 3:21 pmHNL-HLN

13h 40m1 stop

$799Hawaiian Airlines

Find Deal

Thu, Sep 18 - Thu, Sep 25

4:02 pm - 11:46 pmHLN-HNL

11h 44m1 stop

11:56 pm - 3:21 pmHNL-HLN

35h 25m2 stops

$815

Find Deal

Thu, Sep 18 - Thu, Sep 25

Alaska Airlines flights from Helena to O'ahu

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

Alaska Airlines

Sep 16

HLN4:02 pmHelena

32h 53m

2 stops

HNL8:55 pmHonolulu

Sep 23

HNL8:43 pmHonolulu

14h 38m

2 stops

HLN3:21 pmHelena

$583

Find similar

Alaska Airlines

Sep 16

HLN4:02 pmHelena

23h 35m

1 stop

HNL11:37 amHonolulu

Sep 23

HNL10:35 amHonolulu

24h 46m

1 stop

HLN3:21 pmHelena

$623

Find similar

Alaska Airlines

Sep 16

HLN4:02 pmHelena

11h 44m

1 stop

HNL11:46 pmHonolulu

Sep 23

HNL3:36 pmHonolulu

19h 45m

2 stops

HLN3:21 pmHelena

$641

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Tue 9/16

4:02 pm-8:55 pm

2 stops32h 53m

Honolulu

Tue 9/23

8:43 pm-3:21 pm

2 stops14h 38m

$583

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Tue 9/16

4:02 pm-11:37 am

1 stop23h 35m

Honolulu

Tue 9/23

10:35 am-3:21 pm

1 stop24h 46m

$623

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Tue 9/16

4:02 pm-11:46 pm

1 stop11h 44m

Honolulu

Tue 9/23

3:36 pm-3:21 pm

2 stops19h 45m

$641

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Wed 9/10

4:02 pm-10:03 pm

1 stop10h 01m

Honolulu

Wed 9/17

11:09 pm-3:21 pm

1 stop12h 12m

$662

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Wed 9/10

4:02 pm-11:32 am

1 stop23h 30m

Honolulu

Wed 9/17

1:10 pm-3:21 pm

1 stop22h 11m

$664

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Wed 9/10

4:02 pm-10:41 pm

2 stops34h 39m

Honolulu

Wed 9/17

12:34 pm-3:21 pm

2 stops22h 47m

$694

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Wed 9/10

4:02 pm-10:41 pm

2 stops34h 39m

Honolulu

Wed 9/17

1:30 pm-3:21 pm

2 stops21h 51m

$695

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Thu 9/18

5:20 pm-11:18 am

2 stops21h 58m

Honolulu

Thu 9/25

9:40 pm-4:40 pm

2 stops15h 00m

$780

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Thu 9/18

4:02 pm-11:46 pm

1 stop11h 44m

Honolulu

Thu 9/25

9:41 pm-3:21 pm

1 stop13h 40m

$799

HelenaHonolulu

HLN - HNL

HLNHNL

Helena

Thu 9/18

4:02 pm-11:46 pm

1 stop11h 44m

Honolulu

Thu 9/25

11:56 pm-3:21 pm

2 stops35h 25m

$815

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?

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

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

Best Price Found	$583
Fastest flight time	10h 01m
Direct flights	None
Airports in O'ahu	1 airport

The best flight deal from Helena to O'ahu found on momondo in the last 72 hours is $583

The fastest flight from Helena to O'ahu takes 10h 01m

There are no direct flights from Helena to O'ahu. Popular non-direct route for this connection is Helena Airport - Honolulu Airport.

There is 1 airport near O'ahu: Honolulu (HNL)

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 August 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 Canadair (Bombardier) Regional Jet, making up 20.60% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 15.88%, Embraer 175 with 15.88%, and Boeing 737-800 with 10.73%.

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 $463	Free Cancellation	Rating 8.0 10,000 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.