How many flights depart from California to Great Falls on average per week?

As of November 2025, 2 flights take off from California and land in Great Falls each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

How long does it take to fly to Great Falls?

Flight times from California to Great Falls vary, but if you’re flying out of San Diego and flying into Great Falls (one of the most popular routes), then the duration is 4h 15m on average. Another popular route from California to Great Falls is flying from Los Angeles to Great Falls, which will take roughly 4h 39m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from California to Great Falls?

Allegiant Air, United Airlines, and Delta are the most popular carriers operating from California to Great Falls

What airlines fly to Great Falls?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Great Falls from California according to our data. Delta is the first choice among our users, with 81% of people opting to fly with this airline when traveling to Great Falls. Keep in mind that there are 3 different airlines that fly to Great Falls on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from California to Great Falls Airport were last updated today.

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

As of November 2025, there are 3 operators available to choose from for flights from California to Great Falls Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

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

$62 Cheap Flights from California to Great Falls in 2025/26

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Find the cheapest flights from California to Great Falls

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 am - 10:27 amLAS-GTF

2h 22mnonstop

10:25 pm - 11:38 pmGTF-LAS

2h 13mnonstop

$88Allegiant Air

Find Deal

Thu, Dec 4 - Mon, Dec 8

7:05 am - 10:27 amLAS-GTF

2h 22mnonstop

11:17 am - 12:30 pmGTF-LAS

2h 13mnonstop

$94Allegiant Air

Find Deal

Thu, Dec 11 - Sun, Dec 14

8:05 pm - 4:28 pmSFO-GTF

19h 23m1 stop

10:45 am - 9:46 amGTF-SFO

24h 01m1 stop

$181Multiple Airlines

Find Deal

Thu, Jan 22 - Thu, Feb 5

8:05 pm - 4:28 pmSFO-GTF

19h 23m1 stop

10:45 am - 9:46 amGTF-SFO

24h 01m1 stop

$200Multiple Airlines

Find Deal

Sun, Jan 25 - Thu, Feb 5

5:54 am - 12:33 pmSJC-GTF

5h 39m1 stop

6:10 pm - 11:58 pmGTF-SJC

6h 48m1 stop

$218Delta

Find Deal

Wed, Jan 21 - Wed, Feb 4

6:00 am - 5:30 pmLAS-GTF

10h 30m2 stops

1:15 pm - 10:35 pmGTF-LAS

10h 20m2 stops

$223Delta

Find Deal

Fri, Jan 30 - Tue, Feb 3

6:18 am - 6:55 pmSJC-GTF

11h 37m1 stop

7:35 pm - 10:14 amGTF-SJC

15h 39m1 stop

$238Alaska Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

9:00 am - 5:19 pmSFO-GTF

7h 19m1 stop

5:59 pm - 11:03 pmGTF-SFO

6h 04m1 stop

$238Alaska Airlines

Find Deal

Tue, Jan 20 - Wed, Feb 4

6:30 am - 1:39 pmSAN-GTF

6h 09m1 stop

2:35 pm - 8:45 pmGTF-SAN

7h 10m1 stop

$383United Airlines

Find Deal

Tue, Dec 9 - Wed, Dec 10

5:30 am - 1:39 pmLAS-GTF

7h 09m1 stop

2:29 pm - 8:32 pmGTF-LAS

7h 03m1 stop

$516United Airlines

Find Deal

Tue, Dec 23 - Tue, Jan 6

Delta flights from California to Great Falls

Our best Delta deals on California to Great Falls flight tickets

Delta

Jan 21

SJC5:54 amSan Jose

5h 39m

1 stop

GTF12:33 pmGreat Falls

Feb 4

GTF6:10 pmGreat Falls

6h 48m

1 stop

SJC11:58 pmSan Jose

$218

Find similar

Delta

Jan 30

LAS6:00 amLas Vegas Harry Reid Intl

10h 30m

2 stops

GTF5:30 pmGreat Falls

Feb 3

GTF1:15 pmGreat Falls

10h 20m

2 stops

LAS10:35 pmLas Vegas Harry Reid Intl

$223

Find similar

Delta

Jan 21

SJC7:15 amSan Jose

9h 15m

2 stops

GTF5:30 pmGreat Falls

Feb 3

GTF6:10 pmGreat Falls

6h 48m

1 stop

SJC11:58 pmSan Jose

$224

Find similar

Alaska Airlines flights from California to Great Falls

Our best Alaska Airlines deals on California to Great Falls flight tickets

Alaska Airlines

Jan 20

SFO9:00 amSan Francisco

7h 19m

1 stop

GTF5:19 pmGreat Falls

Feb 4

GTF5:59 pmGreat Falls

6h 04m

1 stop

SFO11:03 pmSan Francisco

$238

Find similar

Alaska Airlines

Jan 20

SJC9:05 amSan Jose

7h 14m

1 stop

GTF5:19 pmGreat Falls

Feb 4

GTF5:59 pmGreat Falls

24h 09m

1 stop

SJC5:08 pmSan Jose

$245

Find similar

Alaska Airlines

Dec 4

LAS11:52 amLas Vegas Harry Reid Intl

6h 03m

1 stop

GTF6:55 pmGreat Falls

Dec 8

GTF7:35 pmGreat Falls

5h 20m

1 stop

LAS11:55 pmLas Vegas Harry Reid Intl

$246

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Thu 12/4

7:05 am-10:27 am

Nonstop2h 22m

Great Falls

Mon 12/8

10:25 pm-11:38 pm

Nonstop2h 13m

$88

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Thu 12/11

7:05 am-10:27 am

Nonstop2h 22m

Great Falls

Sun 12/14

11:17 am-12:30 pm

Nonstop2h 13m

$94

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Thu 1/22

8:05 pm-4:28 pm

1 stop19h 23m

Great Falls

Thu 2/5

10:45 am-9:46 am

1 stop24h 01m

$181

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Sun 1/25

8:05 pm-4:28 pm

1 stop19h 23m

Great Falls

Thu 2/5

10:45 am-9:46 am

1 stop24h 01m

$200

San JoseGreat Falls

SJC - GTF

SJCGTF

San Jose

Wed 1/21

5:54 am-12:33 pm

1 stop5h 39m

Great Falls

Wed 2/4

6:10 pm-11:58 pm

1 stop6h 48m

$218

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Fri 1/30

6:00 am-5:30 pm

2 stops10h 30m

Great Falls

Tue 2/3

1:15 pm-10:35 pm

2 stops10h 20m

$223

San JoseGreat Falls

SJC - GTF

SJCGTF

San Jose

Fri 12/5

6:18 am-6:55 pm

1 stop11h 37m

Great Falls

Mon 12/8

7:35 pm-10:14 am

1 stop15h 39m

$238

San FranciscoGreat Falls

SFO - GTF

SFOGTF

San Francisco

Tue 1/20

9:00 am-5:19 pm

1 stop7h 19m

Great Falls

Wed 2/4

5:59 pm-11:03 pm

1 stop6h 04m

$238

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Tue 12/9

6:30 am-1:39 pm

1 stop6h 09m

Great Falls

Wed 12/10

2:35 pm-8:45 pm

1 stop7h 10m

$383

Las VegasGreat Falls

LAS - GTF

LASGTF

Las Vegas Harry Reid Intl

Tue 12/23

5:30 am-1:39 pm

1 stop7h 09m

Great Falls

Tue 1/6

2:29 pm-8:32 pm

1 stop7h 03m

$516

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

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

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Other information

What is the cheapest month to fly to Great Falls?

The month of September is another great option to travel to Great Falls, with average flight prices from California averaging around $316.

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Tuesday when prices can be found for as low as $378. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $548.

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

According to our data, the cheapest time of day to fly to Great Falls is at noon. momondo users have found flights departing from California to Great Falls at noon for as low as $381. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $580 on average. Flights to Great Falls from California in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap California to Great Falls flight deals and tips

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

Fastest flight time	2h 22m
Direct flights	Tue, Thu, Fri and Sat
Airports in Great Falls	1 airport

The fastest flight from California to Great Falls takes 2h 22m

Direct flights go from California to Great Falls on Tuesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There is 1 airport near Great Falls: Great Falls (GTF)

Search flight deals

When did momondo last update prices for flights from California to Great Falls Airport?
Prices for flights from California to Great Falls Airport were last updated today.
How many operators does momondo search for flights from California to Great Falls Airport?
As of November 2025, there are 3 operators available to choose from for flights from California to Great Falls Airport.
How old do you have to be to fly from California to Great Falls Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The required travel and health documents for your Great Falls Airport 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 Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Great Falls

Compare and see reviews for airlines that fly from California to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 9,014 reviews		Search United Airlines flights
Delta	PriceFrom $226	Free Cancellation	Rating 7.9 8,008 reviews		Search Delta flights

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to Great Falls for you.

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

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

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

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 Great Falls from California.

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

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

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Cheap flights from California to Great Falls from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Great Falls departing on 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Delta flights from California to Great Falls

Our best Delta deals on California to Great Falls flight tickets

Alaska Airlines flights from California to Great Falls

Our best Alaska Airlines deals on California to Great Falls flight tickets

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

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 month to fly to Great Falls?

The month of September is another great option to travel to Great Falls, with average flight prices from California averaging around $316.

What is the cheapest day to depart on your flight to Great Falls?

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

What is the cheapest airline that flies from California to Great Falls?

Allegiant Air, United Airlines, and Delta are the most popular carriers operating from California to Great Falls

What airlines fly to Great Falls?

How many flights depart from California to Great Falls on average per week?

As of November 2025, 2 flights take off from California and land in Great Falls each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

How long does it take to fly to Great Falls?

Cheap California to Great Falls flight deals and tips

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

Fastest flight time

Direct flights

Airports in Great Falls

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

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

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

What documentation or ID do you need to fly to Great Falls Airport?

Best airlines flying from California to Great Falls

Compare and see reviews for airlines that fly from California to Great Falls with momondo

Traveling to a place near Great Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Great Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Montana