What is the cheapest airline that flies from Montana to O'ahu?

Alaska Airlines and Delta are the most popular carriers operating from Montana to O'ahu

What airlines fly to O'ahu?

Alaska Airlines, United Airlines and Hawaiian Airlines are the top three most popular airlines that fly to O'ahu from Montana according to our data. Alaska Airlines is the first choice among our users, with 57% 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 Montana to O'ahu?

Prices for flights from Montana to O'ahu were last updated today.

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

As of December 2025, there are 4 operators available to choose from for flights from Montana to O'ahu.

How old do you have to be to fly from Montana 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 Montana to O'ahu.

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

The required travel and health documents for your O'ahu trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at O'ahu. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$223 Cheap Flights from Montana to O'ahu in 2025/26

1 adult

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Find the cheapest flights from Montana to O'ahu

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:23 am - 5:05 pm

BZN

HNL

12h 42m1 stop

10:30 pm - 2:20 pm

HNL

BZN

12h 50m1 stop

$357Delta

Sun, Jan 25 - Thu, Jan 29

6:15 am - 4:43 pm

BZN

HNL

13h 28m1 stop

8:40 pm - 9:54 am

HNL

BZN

10h 14m1 stop

$359United Airlines

Mon, Feb 2 - Mon, Feb 9

1:13 pm - 9:08 pm

BZN

HNL

10h 55m1 stop

10:50 pm - 2:42 pm

HNL

BZN

12h 52m2 stops

$364United Airlines

Mon, Feb 2 - Tue, Feb 10

10:50 am - 9:08 pm

BZN

HNL

13h 18m2 stops

10:50 pm - 2:42 pm

HNL

BZN

12h 52m2 stops

$370United Airlines

Mon, Feb 2 - Tue, Feb 10

5:59 pm - 10:08 pm

GTF

HNL

31h 09m1 stop

11:59 pm - 5:19 pm

HNL

GTF

14h 20m1 stop

$372Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

5:30 am - 5:05 pm

GTF

HNL

14h 35m2 stops

10:30 pm - 5:30 pm

HNL

GTF

16h 00m2 stops

$374Delta

Tue, Jan 27 - Tue, Feb 3

3:03 pm - 10:08 pm

BZN

HNL

10h 05m1 stop

11:59 pm - 3:23 pm

HNL

BZN

12h 24m2 stops

$379Alaska Airlines

Wed, Jan 7 - Wed, Jan 14

1:54 pm - 10:08 pm

FCA

HNL

11h 14m1 stop

11:59 pm - 12:14 pm

HNL

FCA

9h 15m1 stop

$379Multiple Airlines

Thu, Jan 22 - Fri, Jan 30

1:54 pm - 10:08 pm

FCA

HNL

11h 14m1 stop

9:46 pm - 12:14 pm

HNL

FCA

11h 28m1 stop

$380Multiple Airlines

Thu, Jan 22 - Mon, Jan 26

2:04 pm - 10:06 pm

BIL

HNL

11h 02m1 stop

11:59 pm - 11:38 pm

HNL

BIL

20h 39m1 stop

$392Alaska Airlines

Tue, Feb 24 - Wed, Mar 4

Delta flights from Montana to O'ahu

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

Delta

Jan 25

BZN7:23 amBozeman Gallatin Field

12h 42m

1 stop

HNL5:05 pmHonolulu

Jan 29

HNL10:30 pmHonolulu

12h 50m

1 stop

BZN2:20 pmBozeman Gallatin Field

$357

Find similar

Delta

Jan 27

GTF5:30 amGreat Falls

14h 35m

2 stops

HNL5:05 pmHonolulu

Feb 3

HNL10:30 pmHonolulu

16h 00m

2 stops

GTF5:30 pmGreat Falls

$374

Find similar

Delta

Mar 10

BIL11:34 amBillings Logan Intl

13h 17m

2 stops

HNL8:51 pmHonolulu

Mar 18

HNL7:15 amHonolulu

11h 14m

2 stops

BIL10:29 pmBillings Logan Intl

$384

Find similar

United Airlines flights from Montana to O'ahu

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

United Airlines

Feb 2

BZN6:15 amBozeman Gallatin Field

13h 28m

1 stop

HNL4:43 pmHonolulu

Feb 9

HNL8:40 pmHonolulu

10h 14m

1 stop

BZN9:54 amBozeman Gallatin Field

$359

Find similar

United Airlines

Feb 2

BZN1:13 pmBozeman Gallatin Field

10h 55m

1 stop

HNL9:08 pmHonolulu

Feb 10

HNL10:50 pmHonolulu

12h 52m

2 stops

BZN2:42 pmBozeman Gallatin Field

$364

Find similar

United Airlines

Feb 2

BZN10:50 amBozeman Gallatin Field

13h 18m

2 stops

HNL9:08 pmHonolulu

Feb 10

HNL10:50 pmHonolulu

12h 52m

2 stops

BZN2:42 pmBozeman Gallatin Field

$370

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

Sun 1/25

7:23 am-5:05 pm

1 stop12h 42m

Honolulu

Thu 1/29

10:30 pm-2:20 pm

1 stop12h 50m

$357

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

Mon 2/2

6:15 am-4:43 pm

1 stop13h 28m

Honolulu

Mon 2/9

8:40 pm-9:54 am

1 stop10h 14m

$359

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

Mon 2/2

1:13 pm-9:08 pm

1 stop10h 55m

Honolulu

Tue 2/10

10:50 pm-2:42 pm

2 stops12h 52m

$364

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

Mon 2/2

10:50 am-9:08 pm

2 stops13h 18m

Honolulu

Tue 2/10

10:50 pm-2:42 pm

2 stops12h 52m

$370

Great FallsHonolulu

GTF - HNL

GTFHNL

Great Falls

Tue 1/27

5:59 pm-10:08 pm

1 stop31h 09m

Honolulu

Tue 2/3

11:59 pm-5:19 pm

1 stop14h 20m

$372

Great FallsHonolulu

GTF - HNL

GTFHNL

Great Falls

Tue 1/27

5:30 am-5:05 pm

2 stops14h 35m

Honolulu

Tue 2/3

10:30 pm-5:30 pm

2 stops16h 00m

$374

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

Wed 1/7

3:03 pm-10:08 pm

1 stop10h 05m

Honolulu

Wed 1/14

11:59 pm-3:23 pm

2 stops12h 24m

$379

KalispellHonolulu

FCA - HNL

FCAHNL

Kalispell Glacier Park

Thu 1/22

1:54 pm-10:08 pm

1 stop11h 14m

Honolulu

Fri 1/30

11:59 pm-12:14 pm

1 stop9h 15m

$379

KalispellHonolulu

FCA - HNL

FCAHNL

Kalispell Glacier Park

Thu 1/22

1:54 pm-10:08 pm

1 stop11h 14m

Honolulu

Mon 1/26

9:46 pm-12:14 pm

1 stop11h 28m

$380

BillingsHonolulu

BIL - HNL

BILHNL

Billings Logan Intl

Tue 2/24

2:04 pm-10:06 pm

1 stop11h 02m

Honolulu

Wed 3/4

11:59 pm-11:38 pm

1 stop20h 39m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana 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 month to fly to O'ahu?

The month of September is another great option to travel to O'ahu, with average flight prices from Montana averaging around $541.

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

According to our data, Tuesday is the cheapest day to fly to O'ahu from Montana. The lowest ticket price found for a Tuesday departure recently was $563. 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 Thursday as prices are generally higher than usual. According to our data, the average ticket price to O'ahu on Thursday is $699.

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 in the evening. momondo users have found flights departing from Montana to O'ahu in the evening for as low as $523. 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 afternoon are often more expensive with an average ticket price of $663.

How far in advance should I book a flight to O'ahu?

You are more likely to see cheaper flights to O'ahu from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to O'ahu for around $599 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to O'ahu from Montana for as low as $458 on momondo.

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

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

Cheap Montana to O'ahu flight deals and tips

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

Fastest flight time	8h 48m
Direct flights	None

The fastest flight from Montana to O'ahu takes 8h 48m

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

Search flight deals

When did momondo last update prices for flights from Montana to O'ahu?
Prices for flights from Montana to O'ahu were last updated today.
How many operators does momondo search for flights from Montana to O'ahu?
As of December 2025, there are 4 operators available to choose from for flights from Montana to O'ahu.
How old do you have to be to fly from Montana 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 Montana to O'ahu.
What documentation or ID do you need to fly to O'ahu?
The required travel and health documents for your O'ahu trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at O'ahu. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Montana to O'ahu?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montana to O'ahu is Boeing 737-800 (13.16% of total bookings). The next most popular plane models are Embraer 175 (11.86%), Embraer 175 (Enhanced Winglets) (11.84%), and Boeing 737 MAX 8 (10.27%).

Best airlines flying from Montana to O'ahu

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $215	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $227	Free Cancellation	Rating 7.8 2,818 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $376	Free Cancellation	Rating 8.0 11,429 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $431	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights

Why use momondo?

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

Finding the right flight to O'ahu from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to O'ahu quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to O'ahu from Montana which offer a flexible booking policy as well as other useful filters and features.

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

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

If you are not ready to book a flight from Montana 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.