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Cheap flights from Great Falls to Idaho from $154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Idaho departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Great Falls to Idaho

Cheap round-trip flights

Hawaiian Airlines Logo
4:00 pm - 10:20 pmGTF-BOI
6h 20m1 stop
Hawaiian Airlines Logo
8:00 am - 3:20 pmBOI-GTF
7h 20m1 stop
$252Hawaiian Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
1:10 pm - 11:58 pmGTF-BOI
10h 48m2 stops
Delta Logo
5:40 am - 10:53 pmBOI-GTF
17h 13m2 stops
$263Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
5:30 am - 10:24 amGTF-BOI
4h 54m1 stop
Delta Logo
5:40 am - 5:44 pmBOI-GTF
12h 04m2 stops
$269Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Hawaiian Airlines Logo
4:00 pm - 8:15 pmGTF-BOI
4h 15m1 stop
Hawaiian Airlines Logo
9:50 am - 3:20 pmBOI-GTF
5h 30m1 stop
$279Hawaiian Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
1:10 pm - 11:58 pmGTF-BOI
10h 48m2 stops
Delta Logo
5:45 pm - 10:53 pmBOI-GTF
5h 08m1 stop
$285Delta
Find Deal
Sat, Feb 28 - Tue, Mar 3
Delta Logo
6:10 pm - 12:35 amGTF-BOI
6h 25m1 stop
Delta Logo
8:45 am - 12:32 pmBOI-GTF
3h 47m1 stop
$310Delta
Find Deal
Mon, Nov 10 - Sat, Nov 15
Alaska Airlines Logo
6:50 pm - 11:54 pmGTF-BOI
5h 04m1 stop
Alaska Airlines Logo
7:30 am - 6:10 pmBOI-GTF
10h 40m2 stops
$335Alaska Airlines
Find Deal
Mon, Nov 10 - Sat, Nov 15
Alaska Airlines Logo
6:50 pm - 11:42 amGTF-BOI
16h 52m2 stops
Alaska Airlines Logo
7:30 am - 6:10 pmBOI-GTF
10h 40m2 stops
$392Alaska Airlines
Find Deal
Mon, Nov 10 - Sat, Nov 15
United Airlines Logo
7:00 am - 1:30 pmGTF-BOI
30h 30m2 stops
United Airlines Logo
2:12 pm - 1:26 pmBOI-GTF
23h 14m2 stops
$715United Airlines
Find Deal
Fri, Sep 26 - Tue, Sep 30
United Airlines Logo
2:35 pm - 1:30 pmGTF-BOI
22h 55m2 stops
United Airlines Logo
7:05 pm - 9:11 pmBOI-GTF
26h 06m2 stops
$725United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28

Alaska Airlines flights from Great Falls to Idaho

Our best Alaska Airlines deals on Great Falls to Idaho flight tickets
Alaska Airlines
Nov 10
GTF6:50 pmGreat Falls
5h 04m
1 stop
BOI11:54 pmBoise Air Term. Gowen Fld
Nov 15
BOI7:30 amBoise Air Term. Gowen Fld
10h 40m
2 stops
GTF6:10 pmGreat Falls
$335
Find similar
Alaska Airlines
Nov 10
GTF6:50 pmGreat Falls
16h 52m
2 stops
BOI11:42 amBoise Air Term. Gowen Fld
Nov 15
BOI7:30 amBoise Air Term. Gowen Fld
10h 40m
2 stops
GTF6:10 pmGreat Falls
$392
Find similar
Alaska Airlines
Sep 26
GTF4:29 pmGreat Falls
6h 21m
1 stop
BOI10:50 pmBoise Air Term. Gowen Fld
Sep 30
BOI6:00 amBoise Air Term. Gowen Fld
9h 49m
2 stops
GTF3:49 pmGreat Falls
$630
Find similar

Delta flights from Great Falls to Idaho

Our best Delta deals on Great Falls to Idaho flight tickets
Delta
Feb 28
GTF1:10 pmGreat Falls
10h 48m
2 stops
BOI11:58 pmBoise Air Term. Gowen Fld
Mar 3
BOI5:40 amBoise Air Term. Gowen Fld
17h 13m
2 stops
GTF10:53 pmGreat Falls
$263
Find similar
Delta
Feb 28
GTF5:30 amGreat Falls
4h 54m
1 stop
BOI10:24 amBoise Air Term. Gowen Fld
Mar 3
BOI5:40 amBoise Air Term. Gowen Fld
12h 04m
2 stops
GTF5:44 pmGreat Falls
$269
Find similar
Delta
Feb 28
GTF1:10 pmGreat Falls
10h 48m
2 stops
BOI11:58 pmBoise Air Term. Gowen Fld
Mar 3
BOI5:45 pmBoise Air Term. Gowen Fld
5h 08m
1 stop
GTF10:53 pmGreat Falls
$285
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Great Falls to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 2/28

4:00 pm-10:20 pm

1 stop6h 20m

Boise Air Term. Gowen Fld

Tue 3/3

8:00 am-3:20 pm

1 stop7h 20m

$252

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 2/28

1:10 pm-11:58 pm

2 stops10h 48m

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-10:53 pm

2 stops17h 13m

$263

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 2/28

5:30 am-10:24 am

1 stop4h 54m

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-5:44 pm

2 stops12h 04m

$269

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 2/28

4:00 pm-8:15 pm

1 stop4h 15m

Boise Air Term. Gowen Fld

Tue 3/3

9:50 am-3:20 pm

1 stop5h 30m

$279

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 2/28

1:10 pm-11:58 pm

2 stops10h 48m

Boise Air Term. Gowen Fld

Tue 3/3

5:45 pm-10:53 pm

1 stop5h 08m

$285

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 11/10

6:10 pm-12:35 am

1 stop6h 25m

Boise Air Term. Gowen Fld

Sat 11/15

8:45 am-12:32 pm

1 stop3h 47m

$310

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 11/10

6:50 pm-11:54 pm

1 stop5h 04m

Boise Air Term. Gowen Fld

Sat 11/15

7:30 am-6:10 pm

2 stops10h 40m

$335

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 11/10

6:50 pm-11:42 am

2 stops16h 52m

Boise Air Term. Gowen Fld

Sat 11/15

7:30 am-6:10 pm

2 stops10h 40m

$392

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Fri 9/26

7:00 am-1:30 pm

2 stops30h 30m

Boise Air Term. Gowen Fld

Tue 9/30

2:12 pm-1:26 pm

2 stops23h 14m

$715

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Wed 9/24

2:35 pm-1:30 pm

2 stops22h 55m

Boise Air Term. Gowen Fld

Sun 9/28

7:05 pm-9:11 pm

2 stops26h 06m

$725

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from Great Falls to Idaho

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

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $353. On the other hand, Friday is the most expensive day to depart from Great Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $667.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the morning. momondo users have found flights departing from Great Falls to Idaho in the morning for as low as $367. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $378 per ticket.

Cheap Great Falls to Idaho flight deals and tips

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

Direct flights

None
There are no direct flights from Great Falls to Idaho. There are no popular flight routes from Great Falls to Idaho.
Search flight deals

  • When did momondo last update prices for flights from Great Falls Airport to Idaho?

    Prices for flights from Great Falls Airport to Idaho refresh daily.

  • How many operators does momondo search for flights from Great Falls Airport to Idaho?

  • How old do you have to be to fly from Great Falls Airport to Idaho?

    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 Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Great Falls to Idaho

Compare and see reviews for airlines that fly from Great Falls to Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $236Free CancellationRating
7.9
7,960 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Idaho?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to Idaho. momondo saves you time and could save you money on your trip.

Can I find flights from Great Falls to Idaho with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho from Great Falls with this policy.

How can momondo help me find flights from Great Falls to Idaho?

Once all potential Great Falls to Idaho 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 Great Falls to Idaho right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Great Falls and alert you when they change.

An easier way to manage your Idaho trip

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Find better results for your trip to Idaho

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