Cheap flights from Great Falls to Idaho from $157

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 5/31. 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

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:15 pm - 9:42 am
GTF
-
BOI
15h 27m
1 stop
Alaska Airlines Logo
4:38 pm - 5:35 pm
BOI
-
GTF
24h 57m
1 stop
$312Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
6:15 pm - 11:02 pm
GTF
-
BOI
4h 47m
1 stop
Alaska Airlines Logo
2:57 pm - 5:35 pm
BOI
-
GTF
26h 38m
1 stop
$322Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
BOI
5h 44m
1 stop
Alaska Airlines Logo
2:57 pm - 5:35 pm
BOI
-
GTF
26h 38m
1 stop
$332Alaska Airlines
Tue, Apr 28 - Sat, May 2
Delta Logo
5:30 am - 9:53 am
GTF
-
BOI
4h 23m
1 stop
Delta Logo
12:55 pm - 5:39 pm
BOI
-
GTF
4h 44m
1 stop
$346Delta
Tue, May 5 - Tue, May 12
Alaska Airlines Logo
6:15 pm - 1:52 pm
GTF
-
BOI
19h 37m
1 stop
Alaska Airlines Logo
6:08 pm - 5:35 pm
BOI
-
GTF
23h 27m
1 stop
$352Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
6:52 pm - 11:58 pm
GTF
-
BOI
5h 06m
1 stop
Alaska Airlines Logo
6:35 am - 6:12 pm
BOI
-
GTF
11h 37m
1 stop
$359Alaska Airlines
Thu, May 14 - Sun, May 17
Alaska Airlines Logo
6:15 pm - 11:01 pm
GTF
-
BOI
28h 46m
2 stops
Alaska Airlines Logo
2:57 pm - 5:35 pm
BOI
-
GTF
26h 38m
1 stop
$371Alaska Airlines
Tue, Apr 28 - Sat, May 2
Alaska Airlines Logo
6:52 pm - 11:03 am
GTF
-
BOI
16h 11m
1 stop
Alaska Airlines Logo
1:59 pm - 6:12 pm
BOI
-
GTF
4h 13m
1 stop
$377Alaska Airlines
Thu, May 28 - Mon, Jun 1
Alaska Airlines Logo
6:15 pm - 11:02 pm
GTF
-
BOI
4h 47m
1 stop
Alaska Airlines Logo
4:55 pm - 6:12 pm
BOI
-
GTF
25h 17m
2 stops
$381Alaska Airlines
Tue, May 5 - Tue, May 12
Alaska Airlines Logo
6:15 pm - 11:01 pm
GTF
-
BOI
28h 46m
2 stops
Alaska Airlines Logo
4:38 pm - 5:35 pm
BOI
-
GTF
24h 57m
1 stop
$391Alaska Airlines
Tue, Apr 28 - Sat, May 2

Alaska Airlines flights from Great Falls to Idaho

Our best Alaska Airlines deals on Great Falls to Idaho flight tickets
Alaska Airlines
Apr 28
GTF6:15 pmGreat Falls
15h 27m
1 stop
BOI9:42 amBoise Air Term. Gowen Fld
May 2
BOI4:38 pmBoise Air Term. Gowen Fld
24h 57m
1 stop
GTF5:35 pmGreat Falls
$312
Alaska Airlines
Apr 28
GTF6:15 pmGreat Falls
4h 47m
1 stop
BOI11:02 pmBoise Air Term. Gowen Fld
May 2
BOI2:57 pmBoise Air Term. Gowen Fld
26h 38m
1 stop
GTF5:35 pmGreat Falls
$322
Alaska Airlines
Apr 28
GTF6:15 pmGreat Falls
5h 44m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
May 2
BOI2:57 pmBoise Air Term. Gowen Fld
26h 38m
1 stop
GTF5:35 pmGreat Falls
$332

Delta flights from Great Falls to Idaho

Our best Delta deals on Great Falls to Idaho flight tickets
Delta
May 5
GTF5:30 amGreat Falls
4h 23m
1 stop
BOI9:53 amBoise Air Term. Gowen Fld
May 12
BOI12:55 pmBoise Air Term. Gowen Fld
4h 44m
1 stop
GTF5:39 pmGreat Falls
$346
Delta
Apr 24
GTF6:20 pmGreat Falls
3h 36m
1 stop
BOI9:56 pmBoise Air Term. Gowen Fld
May 12
BOI12:55 pmBoise Air Term. Gowen Fld
4h 44m
1 stop
GTF5:39 pmGreat Falls
$465
Delta
Apr 19
GTF6:20 pmGreat Falls
3h 36m
1 stop
BOI9:56 pmBoise Air Term. Gowen Fld
Apr 23
BOI12:52 pmBoise Air Term. Gowen Fld
4h 48m
1 stop
GTF5:40 pmGreat Falls
$564

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 April 8, 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

Cheapest round-trip

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 4/28

6:15 pm-9:42 am

1 stop15h 27m

Boise Air Term. Gowen Fld

Sat 5/2

4:38 pm-5:35 pm

1 stop24h 57m

$312

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 4/28

6:15 pm-11:02 pm

1 stop4h 47m

Boise Air Term. Gowen Fld

Sat 5/2

2:57 pm-5:35 pm

1 stop26h 38m

$322

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 4/28

6:15 pm-11:59 pm

1 stop5h 44m

Boise Air Term. Gowen Fld

Sat 5/2

2:57 pm-5:35 pm

1 stop26h 38m

$332
Quickest round-trip

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 5/5

5:30 am-9:53 am

1 stop4h 23m

Boise Air Term. Gowen Fld

Tue 5/12

12:55 pm-5:39 pm

1 stop4h 44m

$346

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 4/28

6:15 pm-1:52 pm

1 stop19h 37m

Boise Air Term. Gowen Fld

Sat 5/2

6:08 pm-5:35 pm

1 stop23h 27m

$352

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Thu 5/14

6:52 pm-11:58 pm

1 stop5h 06m

Boise Air Term. Gowen Fld

Sun 5/17

6:35 am-6:12 pm

1 stop11h 37m

$359

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 4/28

6:15 pm-11:01 pm

2 stops28h 46m

Boise Air Term. Gowen Fld

Sat 5/2

2:57 pm-5:35 pm

1 stop26h 38m

$371

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Thu 5/28

6:52 pm-11:03 am

1 stop16h 11m

Boise Air Term. Gowen Fld

Mon 6/1

1:59 pm-6:12 pm

1 stop4h 13m

$377

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 5/5

6:15 pm-11:02 pm

1 stop4h 47m

Boise Air Term. Gowen Fld

Tue 5/12

4:55 pm-6:12 pm

2 stops25h 17m

$381

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Tue 4/28

6:15 pm-11:01 pm

2 stops28h 46m

Boise Air Term. Gowen Fld

Sat 5/2

4:38 pm-5:35 pm

1 stop24h 57m

$391

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

3h 36m

Direct flights

None
The fastest flight from Great Falls to Idaho takes 3h 36m
There are no direct flights from Great Falls to Idaho. There are no popular flight routes from Great Falls to Idaho.

Frequently asked questions about flying 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
8,388 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
Fri 5/8
Fri 5/15

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