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

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

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

Prices for flights from Great Falls Airport to O'ahu are refreshed on a daily basis.

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

The number of operators available for flights from Great Falls Airport to O'ahu is 1 as of August 2026.

How old do you have to be to fly from Great Falls 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 Great Falls Airport 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.

$401 Cheap Flights from Great Falls to O'ahu in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to O'ahu

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:59 pm - 11:10 amGTF Great Falls-HNL Honolulu

21h 11m2 stops Seattle/Tacoma Intl San Francisco

10:15 pm - 4:19 pmHNL Honolulu-GTF Great Falls

15h 04m2 stops San Francisco Seattle/Tacoma Intl

$569Multiple Airlines

Mon, Nov 2 - Thu, Nov 5

4:59 pm - 11:32 pmGTF Great Falls-HNL Honolulu

33h 33m2 stops Seattle/Tacoma Intl San Francisco

7:56 am - 4:19 pmHNL Honolulu-GTF Great Falls

29h 23m2 stops San Diego Seattle/Tacoma Intl

$570Multiple Airlines

Mon, Nov 2 - Fri, Nov 6

4:59 pm - 11:10 amGTF Great Falls-HNL Honolulu

21h 11m2 stops Seattle/Tacoma Intl San Francisco

12:15 pm - 4:19 pmHNL Honolulu-GTF Great Falls

25h 04m2 stops San Francisco Seattle/Tacoma Intl

$573Multiple Airlines

Mon, Nov 2 - Thu, Nov 5

4:59 pm - 11:32 pmGTF Great Falls-HNL Honolulu

33h 33m2 stops Seattle/Tacoma Intl San Francisco

7:56 am - 4:19 pmHNL Honolulu-GTF Great Falls

29h 23m2 stops San Diego Seattle/Tacoma Intl

$608Multiple Airlines

Mon, Nov 2 - Fri, Nov 6

4:59 pm - 11:10 amGTF Great Falls-HNL Honolulu

21h 11m2 stops Seattle/Tacoma Intl San Francisco

10:15 pm - 4:19 pmHNL Honolulu-GTF Great Falls

15h 04m2 stops San Francisco Seattle/Tacoma Intl

$612Multiple Airlines

Mon, Nov 2 - Thu, Nov 5

4:59 pm - 11:32 pmGTF Great Falls-HNL Honolulu

33h 33m2 stops Seattle/Tacoma Intl San Francisco

10:15 pm - 4:19 pmHNL Honolulu-GTF Great Falls

15h 04m2 stops San Francisco Seattle/Tacoma Intl

$616Multiple Airlines

Mon, Nov 2 - Thu, Nov 5

4:59 pm - 11:10 amGTF Great Falls-HNL Honolulu

21h 11m2 stops Seattle/Tacoma Intl San Francisco

10:15 pm - 4:19 pmHNL Honolulu-GTF Great Falls

15h 04m2 stops San Francisco Seattle/Tacoma Intl

$621Multiple Airlines

Mon, Nov 2 - Sat, Nov 7

4:59 pm - 10:55 pmGTF Great Falls-HNL Honolulu

8h 56m1 stop Seattle/Tacoma Intl

7:56 am - 4:19 pmHNL Honolulu-GTF Great Falls

29h 23m2 stops San Diego Seattle/Tacoma Intl

$626Multiple Airlines

Mon, Nov 2 - Fri, Nov 6

6:30 am - 4:59 pmGTF Great Falls-HNL Honolulu

13h 29m2 stops Denver Intl Los Angeles

10:50 pm - 9:38 pmHNL Honolulu-GTF Great Falls

19h 48m3 stops Los Angeles San Francisco Denver Intl

$986United Airlines

Mon, Nov 2 - Fri, Nov 6

6:15 am - 4:09 pmGTF Great Falls-HNL Honolulu

13h 54m2 stops Denver Intl Los Angeles

10:05 pm - 9:22 pmHNL Honolulu-GTF Great Falls

19h 17m3 stops San Francisco Los Angeles Denver Intl

$1,078United Airlines

Wed, Sep 30 - Mon, Oct 5

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United Airlines flights from Great Falls to O'ahu

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

United Airlines

Nov 2

GTF6:30 amGreat Falls

13h 29m

2 stops

HNL4:59 pmHonolulu

Nov 6

HNL10:50 pmHonolulu

19h 48m

3 stops

GTF9:38 pmGreat Falls

$986

United Airlines

Sep 23

GTF6:15 amGreat Falls

13h 56m

2 stops

HNL4:11 pmHonolulu

Sep 28

HNL10:05 pmHonolulu

19h 17m

3 stops

GTF9:22 pmGreat Falls

$1,078

United Airlines

Jan 14

GTF6:15 amGreat Falls

14h 28m

2 stops

HNL5:43 pmHonolulu

Jan 18

HNL11:30 pmHonolulu

18h 50m

3 stops

GTF9:20 pmGreat Falls

$1,096

Delta flights from Great Falls to O'ahu

Our best Delta deals on Great Falls to O'ahu flight tickets

Delta

Sep 22

GTF5:40 amGreat Falls

14h 58m

2 stops

HNL4:38 pmHonolulu

Sep 26

HNL10:39 pmHonolulu

15h 02m

2 stops

GTF5:41 pmGreat Falls

$834

Delta

Sep 4

GTF5:40 amGreat Falls

12h 29m

1 stop

HNL2:09 pmHonolulu

Sep 8

HNL7:00 amHonolulu

11h 37m

2 stops

GTF10:37 pmGreat Falls

$1,067

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-11:10 am

2 stops21h 11m

Honolulu

Thu 11/5

10:15 pm-4:19 pm

2 stops15h 04m

$569

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-11:32 pm

2 stops33h 33m

Honolulu

Fri 11/6

7:56 am-4:19 pm

2 stops29h 23m

$570

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-11:10 am

2 stops21h 11m

Honolulu

Thu 11/5

12:15 pm-4:19 pm

2 stops25h 04m

$573

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-11:32 pm

2 stops33h 33m

Honolulu

Fri 11/6

7:56 am-4:19 pm

2 stops29h 23m

$608

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-11:10 am

2 stops21h 11m

Honolulu

Thu 11/5

10:15 pm-4:19 pm

2 stops15h 04m

$612

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-11:32 pm

2 stops33h 33m

Honolulu

Thu 11/5

10:15 pm-4:19 pm

2 stops15h 04m

$616

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-11:10 am

2 stops21h 11m

Honolulu

Sat 11/7

10:15 pm-4:19 pm

2 stops15h 04m

$621

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

4:59 pm-10:55 pm

1 stop8h 56m

Honolulu

Fri 11/6

7:56 am-4:19 pm

2 stops29h 23m

$626

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Mon 11/2

6:30 am-4:59 pm

2 stops13h 29m

Honolulu

Fri 11/6

10:50 pm-9:38 pm

3 stops19h 48m

$986

Quickest round-trip

Great FallsHonolulu

GTF Great Falls - HNL Honolulu

GTFHNL

Great Falls

Wed 9/30

6:15 am-4:09 pm

2 stops13h 54m

Honolulu

Mon 10/5

10:05 pm-9:22 pm

3 stops19h 17m

$1,078

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Great Falls 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 Great Falls to O'ahu flights?

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

Cheap Great Falls to O'ahu flight deals and tips

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

Best Price Found	$401
Fastest flight time	9h 22m
Direct flights	None

The best one-way flight to O'ahu from Great Falls in the past 72 hours is $401. The best round-trip flight deal from Great Falls to O'ahu found on momondo in the last 72 hours is $569.

The fastest flight from Great Falls to O'ahu takes 9h 22m

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

Search flight deals

Frequently asked questions about flying from Great Falls to O'ahu

When did momondo last update prices for flights from Great Falls Airport to O'ahu?
Prices for flights from Great Falls Airport to O'ahu are refreshed on a daily basis.
How many operators does momondo search for flights from Great Falls Airport to O'ahu?
The number of operators available for flights from Great Falls Airport to O'ahu is 1 as of August 2026.
How old do you have to be to fly from Great Falls 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 Great Falls Airport 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 Great Falls to O'ahu?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Great Falls to O'ahu is Airbus A319 (47.85% of total bookings). The next most popular plane models are Airbus A320-100/200 (34.66%), Embraer 175 (Enhanced Winglets) (9.82%), and Embraer 175 (2.76%).

Best airlines flying from Great Falls to O'ahu

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $370	Free Cancellation	Rating 7.4 10,113 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to O'ahu from Great Falls 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 Great Falls to O'ahu with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Great Falls to O'ahu flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to O'ahu from Great Falls.

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

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