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Cheap flights from Great Falls to Austin from $338

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Austin departing on 5/21. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Great Falls to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:37 pm - 11:44 pm
GTF
-
AUS
8h 07m
1 stop
United Airlines Logo
2:45 pm - 9:34 pm
AUS
-
GTF
7h 49m
1 stop
$338United Airlines
Thu, May 21 - Thu, May 28
Delta Logo
1:07 pm - 9:33 pm
GTF
-
AUS
7h 26m
1 stop
Delta Logo
7:25 am - 5:39 pm
AUS
-
GTF
11h 14m
2 stops
$399Delta
Sat, May 16 - Wed, May 27
Delta Logo
1:07 pm - 12:31 am
GTF
-
AUS
10h 24m
2 stops
Delta Logo
7:25 am - 5:39 pm
AUS
-
GTF
11h 14m
2 stops
$404Delta
Sat, May 16 - Wed, May 27
Delta Logo
1:07 pm - 9:33 pm
GTF
-
AUS
7h 26m
1 stop
Delta Logo
11:55 am - 5:39 pm
AUS
-
GTF
6h 44m
1 stop
$417Delta
Sat, May 16 - Wed, May 27
Delta Logo
1:07 pm - 9:33 pm
GTF
-
AUS
7h 26m
1 stop
Delta Logo
11:55 am - 5:39 pm
AUS
-
GTF
6h 44m
1 stop
$423Delta
Sat, May 9 - Sat, May 23
United Airlines Logo
2:30 pm - 9:15 pm
GTF
-
AUS
5h 45m
1 stop
United Airlines Logo
4:53 pm - 9:18 pm
AUS
-
GTF
5h 25m
1 stop
$427United Airlines
Mon, Apr 27 - Mon, May 4
United Airlines Logo
2:35 pm - 9:05 pm
GTF
-
AUS
5h 30m
1 stop
United Airlines Logo
4:53 pm - 9:18 pm
AUS
-
GTF
5h 25m
1 stop
$428United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
2:30 pm - 11:15 pm
GTF
-
AUS
7h 45m
2 stops
United Airlines Logo
4:53 pm - 9:18 pm
AUS
-
GTF
5h 25m
1 stop
$433United Airlines
Mon, Apr 27 - Mon, May 4
United Airlines Logo
2:35 pm - 11:15 pm
GTF
-
AUS
7h 40m
2 stops
United Airlines Logo
4:53 pm - 9:18 pm
AUS
-
GTF
5h 25m
1 stop
$434United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
2:35 pm - 11:15 pm
GTF
-
AUS
7h 40m
2 stops
United Airlines Logo
2:15 pm - 9:18 pm
AUS
-
GTF
8h 03m
2 stops
$439United Airlines
Sat, May 2 - Tue, May 5

United Airlines flights from Great Falls to Austin

Our best United Airlines deals on Great Falls to Austin flight tickets
United Airlines
May 21
GTF2:37 pmGreat Falls
8h 07m
1 stop
AUS11:44 pmAustin Bergstrom
May 28
AUS2:45 pmAustin Bergstrom
7h 49m
1 stop
GTF9:34 pmGreat Falls
$338
United Airlines
Apr 10
GTF6:15 amGreat Falls
5h 53m
1 stop
AUS1:08 pmAustin Bergstrom
Apr 11
AUS4:43 pmAustin Bergstrom
5h 34m
1 stop
GTF9:17 pmGreat Falls
$423
United Airlines
Apr 27
GTF2:30 pmGreat Falls
5h 45m
1 stop
AUS9:15 pmAustin Bergstrom
May 4
AUS4:53 pmAustin Bergstrom
5h 25m
1 stop
GTF9:18 pmGreat Falls
$427

Delta flights from Great Falls to Austin

Our best Delta deals on Great Falls to Austin flight tickets
Delta
May 16
GTF1:07 pmGreat Falls
7h 26m
1 stop
AUS9:33 pmAustin Bergstrom
May 27
AUS7:25 amAustin Bergstrom
11h 14m
2 stops
GTF5:39 pmGreat Falls
$399
Delta
May 16
GTF1:07 pmGreat Falls
10h 24m
2 stops
AUS12:31 amAustin Bergstrom
May 27
AUS7:25 amAustin Bergstrom
11h 14m
2 stops
GTF5:39 pmGreat Falls
$404
Delta
May 16
GTF1:07 pmGreat Falls
7h 26m
1 stop
AUS9:33 pmAustin Bergstrom
May 27
AUS11:55 amAustin Bergstrom
6h 44m
1 stop
GTF5:39 pmGreat Falls
$417

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Austin 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 1, 2026.
Use the filters below to find and compare flights from Great Falls to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Thu 5/21

2:37 pm-11:44 pm

1 stop8h 07m

Austin Bergstrom

Thu 5/28

2:45 pm-9:34 pm

1 stop7h 49m

$338

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Sat 5/16

1:07 pm-9:33 pm

1 stop7h 26m

Austin Bergstrom

Wed 5/27

7:25 am-5:39 pm

2 stops11h 14m

$399

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Sat 5/16

1:07 pm-12:31 am

2 stops10h 24m

Austin Bergstrom

Wed 5/27

7:25 am-5:39 pm

2 stops11h 14m

$404

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Sat 5/16

1:07 pm-9:33 pm

1 stop7h 26m

Austin Bergstrom

Wed 5/27

11:55 am-5:39 pm

1 stop6h 44m

$417

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Sat 5/9

1:07 pm-9:33 pm

1 stop7h 26m

Austin Bergstrom

Sat 5/23

11:55 am-5:39 pm

1 stop6h 44m

$423

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Mon 4/27

2:30 pm-9:15 pm

1 stop5h 45m

Austin Bergstrom

Mon 5/4

4:53 pm-9:18 pm

1 stop5h 25m

$427
Quickest round-trip

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Sat 5/2

2:35 pm-9:05 pm

1 stop5h 30m

Austin Bergstrom

Tue 5/5

4:53 pm-9:18 pm

1 stop5h 25m

$428

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Mon 4/27

2:30 pm-11:15 pm

2 stops7h 45m

Austin Bergstrom

Mon 5/4

4:53 pm-9:18 pm

1 stop5h 25m

$433

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Sat 5/2

2:35 pm-11:15 pm

2 stops7h 40m

Austin Bergstrom

Tue 5/5

4:53 pm-9:18 pm

1 stop5h 25m

$434

Great FallsAustin

GTF - AUS

GTFAUS

Great Falls

Sat 5/2

2:35 pm-11:15 pm

2 stops7h 40m

Austin Bergstrom

Tue 5/5

2:15 pm-9:18 pm

2 stops8h 03m

$439

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Great Falls to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to Austin (GTF to AUS) flight deals and tips

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

Fastest flight time

5h 53m

Direct flights

None
The fastest flight from Great Falls to Austin takes 5h 53m
There are no direct flights from Great Falls to Austin. There are no popular flight routes from Great Falls to Austin.
Search flight deals

  • How far is Great Falls to Austin Bergstrom by plane?

    The straight-line distance from Great Falls to Austin Bergstrom is 1389.8 mi. Typically, this will take 5h 53m by plane in normal conditions.

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

    Prices for flights from Great Falls Airport to Austin Bergstrom Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The necessary travel and health documents for your Austin Bergstrom Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Great Falls to Austin?

Best airlines flying from Great Falls to Austin

Compare and see reviews for airlines that fly from Great Falls to Austin with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $338Free CancellationRating
7.4
9,529 reviews
Search United Airlines flights

  • How do I get Price Alerts for flights from Great Falls to Austin?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Great Falls from Austin. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Great Falls to Austin with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
Wimberley
San Marcos
Round Rock
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Horseshoe Bay
Dripping Springs
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

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

Finding the right flight to Austin 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 Austin quick and easy, saving you time and money.

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

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

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

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 Austin from Great Falls.

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

Yes. momondo can track prices for Great Falls to Austin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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