Cheap flights from Great Falls to Idaho from $113

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 3/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:06 pm - 10:57 pm
GTF
-
BOI
5h 51m
1 stop
Alaska Airlines Logo
6:00 am - 4:26 pm
BOI
-
GTF
10h 26m
1 stop
$252Alaska Airlines
Fri, Apr 17 - Sun, Apr 19
Alaska Airlines Logo
5:06 pm - 11:56 pm
GTF
-
BOI
6h 50m
1 stop
Alaska Airlines Logo
11:58 am - 4:26 pm
BOI
-
GTF
4h 28m
1 stop
$276Alaska Airlines
Sun, Apr 12 - Wed, Apr 15
Alaska Airlines Logo
5:06 pm - 11:56 pm
GTF
-
BOI
6h 50m
1 stop
Alaska Airlines Logo
7:05 pm - 4:26 pm
BOI
-
GTF
21h 21m
2 stops
$315Alaska Airlines
Sun, Apr 12 - Wed, Apr 15
Alaska Airlines Logo
5:06 pm - 8:28 am
GTF
-
BOI
15h 22m
2 stops
Alaska Airlines Logo
6:00 am - 4:26 pm
BOI
-
GTF
10h 26m
1 stop
$321Alaska Airlines
Fri, Apr 17 - Sun, Apr 19
Delta Logo
6:20 pm - 12:02 am
GTF
-
BOI
5h 42m
1 stop
Delta Logo
11:00 am - 5:40 pm
BOI
-
GTF
6h 40m
1 stop
$388Delta
Thu, May 28 - Sun, May 31
Alaska Airlines Logo
5:06 pm - 1:58 pm
GTF
-
BOI
20h 52m
1 stop
Alaska Airlines Logo
2:22 pm - 4:26 pm
BOI
-
GTF
26h 04m
1 stop
$398Alaska Airlines
Mon, Mar 23 - Fri, Mar 27
Alaska Airlines Logo
5:06 pm - 8:28 am
GTF
-
BOI
15h 22m
2 stops
Alaska Airlines Logo
6:00 am - 4:26 pm
BOI
-
GTF
10h 26m
1 stop
$400Alaska Airlines
Mon, Mar 23 - Fri, Mar 27
Alaska Airlines Logo
5:06 pm - 8:28 am
GTF
-
BOI
15h 22m
2 stops
Alaska Airlines Logo
6:00 am - 4:26 pm
BOI
-
GTF
10h 26m
1 stop
$421Alaska Airlines
Sat, Mar 21 - Wed, Mar 25
Alaska Airlines Logo
5:06 pm - 3:31 pm
GTF
-
BOI
22h 25m
2 stops
Alaska Airlines Logo
5:50 am - 4:26 pm
BOI
-
GTF
10h 36m
2 stops
$422Alaska Airlines
Fri, Apr 17 - Sun, Apr 19
Delta Logo
6:20 pm - 11:07 pm
GTF
-
BOI
4h 47m
1 stop
Delta Logo
8:00 am - 12:24 pm
BOI
-
GTF
4h 24m
1 stop
$446Delta
Mon, Mar 2 - Mon, Mar 9

Delta flights from Great Falls to Idaho

Our best Delta deals on Great Falls to Idaho flight tickets
Delta
May 28
GTF6:20 pmGreat Falls
5h 42m
1 stop
BOI12:02 amBoise Air Term. Gowen Fld
May 31
BOI11:00 amBoise Air Term. Gowen Fld
6h 40m
1 stop
GTF5:40 pmGreat Falls
$388
Delta
Mar 2
GTF6:20 pmGreat Falls
4h 47m
1 stop
BOI11:07 pmBoise Air Term. Gowen Fld
Mar 9
BOI8:00 amBoise Air Term. Gowen Fld
4h 24m
1 stop
GTF12:24 pmGreat Falls
$446
Delta
Mar 2
GTF5:20 amGreat Falls
4h 25m
1 stop
BOI9:45 amBoise Air Term. Gowen Fld
Mar 6
BOI10:45 amBoise Air Term. Gowen Fld
6h 48m
1 stop
GTF5:33 pmGreat Falls
$524

Alaska Airlines flights from Great Falls to Idaho

Our best Alaska Airlines deals on Great Falls to Idaho flight tickets
Alaska Airlines
Apr 17
GTF5:06 pmGreat Falls
5h 51m
1 stop
BOI10:57 pmBoise Air Term. Gowen Fld
Apr 19
BOI6:00 amBoise Air Term. Gowen Fld
10h 26m
1 stop
GTF4:26 pmGreat Falls
$252
Alaska Airlines
Apr 12
GTF5:06 pmGreat Falls
6h 50m
1 stop
BOI11:56 pmBoise Air Term. Gowen Fld
Apr 15
BOI11:58 amBoise Air Term. Gowen Fld
4h 28m
1 stop
GTF4:26 pmGreat Falls
$276
Alaska Airlines
Apr 12
GTF5:06 pmGreat Falls
6h 50m
1 stop
BOI11:56 pmBoise Air Term. Gowen Fld
Apr 15
BOI7:05 pmBoise Air Term. Gowen Fld
21h 21m
2 stops
GTF4:26 pmGreat Falls
$315

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 February 17, 2026.
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

Fri 4/17

5:06 pm-10:57 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

Sun 4/19

6:00 am-4:26 pm

1 stop10h 26m

$252

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sun 4/12

5:06 pm-11:56 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

Wed 4/15

11:58 am-4:26 pm

1 stop4h 28m

$276

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sun 4/12

5:06 pm-11:56 pm

1 stop6h 50m

Boise Air Term. Gowen Fld

Wed 4/15

7:05 pm-4:26 pm

2 stops21h 21m

$315

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Fri 4/17

5:06 pm-8:28 am

2 stops15h 22m

Boise Air Term. Gowen Fld

Sun 4/19

6:00 am-4:26 pm

1 stop10h 26m

$321

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Thu 5/28

6:20 pm-12:02 am

1 stop5h 42m

Boise Air Term. Gowen Fld

Sun 5/31

11:00 am-5:40 pm

1 stop6h 40m

$388

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 3/23

5:06 pm-1:58 pm

1 stop20h 52m

Boise Air Term. Gowen Fld

Fri 3/27

2:22 pm-4:26 pm

1 stop26h 04m

$398

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 3/23

5:06 pm-8:28 am

2 stops15h 22m

Boise Air Term. Gowen Fld

Fri 3/27

6:00 am-4:26 pm

1 stop10h 26m

$400

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 3/21

5:06 pm-8:28 am

2 stops15h 22m

Boise Air Term. Gowen Fld

Wed 3/25

6:00 am-4:26 pm

1 stop10h 26m

$421

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Fri 4/17

5:06 pm-3:31 pm

2 stops22h 25m

Boise Air Term. Gowen Fld

Sun 4/19

5:50 am-4:26 pm

2 stops10h 36m

$422

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 3/2

6:20 pm-11:07 pm

1 stop4h 47m

Boise Air Term. Gowen Fld

Mon 3/9

8:00 am-12:24 pm

1 stop4h 24m

$446

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Great Falls to Idaho?

Delta and Alaska Airlines are the most popular carriers operating from Great Falls to Idaho

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

Fastest flight time

4h 45m

Direct flights

None
The fastest flight from Great Falls to Idaho takes 4h 45m
There are no direct flights from Great Falls to Idaho. There are no popular flight routes from Great Falls to Idaho.
  • 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 $263Free CancellationRating
7.9
8,206 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.

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1 adult
Thu 3/19
Thu 3/26

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