How long is the flight from Montana to O'ahu?

If you’re flying from a popular airport in Montana, such as Great Falls or Kalispell, and flying into O'ahu, then you can expect flight times to average 15h 40m and 17h 48m, respectively.

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 Montana according to our data. Alaska Airlines is the first choice among our users, with 41% 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.

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

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

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 March 2026, 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.

$229 Cheap Flights from Montana to O'ahu in 2026

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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.

3:00 pm - 9:35 pm

BZN

HNL

10h 35m

1 stop

12:20 pm - 1:09 pm

HNL

BZN

20h 49m

1 stop

$477Multiple Airlines

mar., sep. 8 - lun., sep. 14

6:00 am - 1:15 pm

BIL

HNL

11h 15m

1 stop

10:50 am - 12:08 am

HNL

BIL

9h 18m

1 stop

$477Multiple Airlines

mar., sep. 15 - mar., sep. 22

1:37 pm - 7:49 pm

BZN

HNL

10h 12m

1 stop

7:55 pm - 10:01 am

HNL

BZN

10h 06m

1 stop

$478United Airlines

mar., may. 5 - lun., may. 18

10:42 am - 7:49 pm

BZN

HNL

13h 07m

2 stops

7:55 pm - 10:01 am

HNL

BZN

10h 06m

1 stop

$484United Airlines

mar., may. 5 - lun., may. 18

6:31 am - 3:16 pm

FCA

HNL

12h 45m

1 stop

9:40 pm - 12:21 pm

HNL

FCA

10h 41m

1 stop

$492United Airlines

mar., sep. 15 - mar., sep. 22

6:31 am - 3:16 pm

FCA

HNL

12h 45m

1 stop

9:40 pm - 3:53 pm

HNL

FCA

14h 13m

2 stops

$497United Airlines

mar., sep. 15 - mar., sep. 22

6:00 am - 1:38 pm

BZN

HNL

11h 38m

1 stop

9:45 pm - 5:52 pm

HNL

BZN

16h 07m

2 stops

$513Delta

mar., sep. 8 - lun., sep. 14

4:23 pm - 10:43 pm

MSO

HNL

10h 20m

1 stop

12:50 pm - 12:28 pm

HNL

MSO

19h 38m

1 stop

$528Alaska Airlines

lun., abr. 20 - mié., abr. 29

5:20 am - 4:36 pm

MSO

HNL

15h 16m

2 stops

7:00 am - 12:16 am

HNL

MSO

13h 16m

2 stops

$531Delta

lun., abr. 20 - mar., abr. 28

5:06 pm - 10:43 pm

GTF

HNL

9h 37m

1 stop

3:54 pm - 5:35 pm

HNL

GTF

21h 41m

1 stop

$548Alaska Airlines

lun., abr. 20 - lun., abr. 27

United Airlines flights from Montana to O'ahu

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

United Airlines

May 5

BZN1:37 pmBozeman Gallatin Field

10h 12m

1 stop

HNL7:49 pmHonolulu

May 18

HNL7:55 pmHonolulu

10h 06m

1 stop

BZN10:01 amBozeman Gallatin Field

$478

United Airlines

May 5

BZN10:42 amBozeman Gallatin Field

13h 07m

2 stops

HNL7:49 pmHonolulu

May 18

HNL7:55 pmHonolulu

10h 06m

1 stop

BZN10:01 amBozeman Gallatin Field

$484

United Airlines

Sep 15

FCA6:31 amKalispell Glacier Park

12h 45m

1 stop

HNL3:16 pmHonolulu

Sep 22

HNL9:40 pmHonolulu

10h 41m

1 stop

FCA12:21 pmKalispell Glacier Park

$492

Alaska Airlines flights from Montana to O'ahu

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

Alaska Airlines

Apr 20

MSO4:23 pmMissoula Johnson-Bell Field

10h 20m

1 stop

HNL10:43 pmHonolulu

Apr 29

HNL12:50 pmHonolulu

19h 38m

1 stop

MSO12:28 pmMissoula Johnson-Bell Field

$528

Alaska Airlines

Apr 20

GTF5:06 pmGreat Falls

9h 37m

1 stop

HNL10:43 pmHonolulu

Apr 27

HNL3:54 pmHonolulu

21h 41m

1 stop

GTF5:35 pmGreat Falls

$548

Alaska Airlines

Apr 20

MSO4:23 pmMissoula Johnson-Bell Field

10h 20m

1 stop

HNL10:43 pmHonolulu

Apr 29

HNL12:50 pmHonolulu

19h 38m

1 stop

MSO12:28 pmMissoula Johnson-Bell Field

$568

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

mar. 9/8

3:00 pm-9:35 pm

1 stop10h 35m

Honolulu

lun. 9/14

12:20 pm-1:09 pm

1 stop20h 49m

$477

BillingsHonolulu

BIL - HNL

BILHNL

Billings Logan Intl

mar. 9/15

6:00 am-1:15 pm

1 stop11h 15m

Honolulu

mar. 9/22

10:50 am-12:08 am

1 stop9h 18m

$477

Quickest round-trip

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

mar. 5/5

1:37 pm-7:49 pm

1 stop10h 12m

Honolulu

lun. 5/18

7:55 pm-10:01 am

1 stop10h 06m

$478

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

mar. 5/5

10:42 am-7:49 pm

2 stops13h 07m

Honolulu

lun. 5/18

7:55 pm-10:01 am

1 stop10h 06m

$484

KalispellHonolulu

FCA - HNL

FCAHNL

Kalispell Glacier Park

mar. 9/15

6:31 am-3:16 pm

1 stop12h 45m

Honolulu

mar. 9/22

9:40 pm-12:21 pm

1 stop10h 41m

$492

KalispellHonolulu

FCA - HNL

FCAHNL

Kalispell Glacier Park

mar. 9/15

6:31 am-3:16 pm

1 stop12h 45m

Honolulu

mar. 9/22

9:40 pm-3:53 pm

2 stops14h 13m

$497

BozemanHonolulu

BZN - HNL

BZNHNL

Bozeman Gallatin Field

mar. 9/8

6:00 am-1:38 pm

1 stop11h 38m

Honolulu

lun. 9/14

9:45 pm-5:52 pm

2 stops16h 07m

$513

MissoulaHonolulu

MSO - HNL

MSOHNL

Missoula Johnson-Bell Field

lun. 4/20

4:23 pm-10:43 pm

1 stop10h 20m

Honolulu

mié. 4/29

12:50 pm-12:28 pm

1 stop19h 38m

$528

MissoulaHonolulu

MSO - HNL

MSOHNL

Missoula Johnson-Bell Field

lun. 4/20

5:20 am-4:36 pm

2 stops15h 16m

Honolulu

mar. 4/28

7:00 am-12:16 am

2 stops13h 16m

$531

Great FallsHonolulu

GTF - HNL

GTFHNL

Great Falls

lun. 4/20

5:06 pm-10:43 pm

1 stop9h 37m

Honolulu

lun. 4/27

3:54 pm-5:35 pm

1 stop21h 41m

$548

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

Other information

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

The month of February is another great option to travel to O'ahu, with average flight prices from Montana averaging around $443.

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 $583 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 $422 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	9h 01m
Direct flights	None

The fastest flight from Montana to O'ahu takes 9h 01m

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 March 2026, 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 (15.45% of total bookings). The next most popular plane models are Airbus A319 (12.03%), Embraer 175 (Enhanced Winglets) (11.48%), and Airbus A320-100/200 (9.95%).

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 8,357 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $304	Free Cancellation	Rating 7.8 2,838 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $367	Free Cancellation	Rating 7.4 9,501 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $431	Free Cancellation	Rating 7.9 12,133 reviews	Search Alaska 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.