Cheap flights from St. Louis to Great Falls (STL - GTF) from $302

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — GTF
juin 25 — juil. 21

Cheap flight deals from St. Louis to Great Falls

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Great Falls (GTF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated juin 20, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$371

One-way from

$302
High demand for flights, 21% potential price rise
Best time to find cheap flights, 37% potential price drop
From Lambert-St Louis to Great Falls
One-way flight from Lambert-St Louis to Great Falls

What is the cheapest day to fly round-trip from St. Louis to Great Falls?

Travelers have found that booking a Thursday departure is the best way to save up to 69% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from St. Louis to Great Falls?

September is one of the best times of the year to fly to Great Falls from St. Louis. Prices for September average $631 per person but you can even find prices for as low as $305. The most expensive prices can be found in the month of December. Opting for a September flight can save you 26% on your journey compared to booking in December

What is the cheapest time of day to fly from STL to GTF?

It’s typically best to fly out from St. Louis to Great Falls in the morning. Doing so could potentially save you 27% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap St. Louis to Great Falls flights in June & July 2024

Find cheap flight options from St. Louis to Great Falls specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,256,981 searches. Prices were last updated on juin 20, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Great Falls in June and July 2024. Check back in a little while for more flight options.
mar. 7/95:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
mar. 7/167:00 amGTF - STL
1 stop14h 11mUnited Airlines
Deal found 6/19$546
lun. 7/86:01 pmSTL - GTF
1 stop6h 17mDelta
mer. 7/105:45 amGTF - STL
1 stop6h 55mDelta
Deal found 6/19$558
mar. 7/95:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
sam. 7/137:00 amGTF - STL
1 stop14h 20mUnited Airlines
Deal found 6/19$570
dim. 7/2812:00 pmSTL - GTF
3 stops29h 41mMultiple Airlines
ven. 8/912:40 pmGTF - STL
3 stops27h 49mMultiple Airlines
Deal found 6/19$585
ven. 7/195:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
mer. 7/247:00 amGTF - STL
1 stop14h 11mUnited Airlines
Deal found 6/19$590
mar. 7/95:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
mar. 7/167:00 amGTF - STL
2 stops14h 37mUnited Airlines
Deal found 6/19$592
mar. 7/96:01 pmSTL - GTF
1 stop6h 17mDelta
sam. 7/135:45 amGTF - STL
1 stop7h 48mDelta
Deal found 6/19$593
lun. 7/86:01 pmSTL - GTF
1 stop6h 17mDelta
mer. 7/105:45 amGTF - STL
2 stops10h 01mDelta
Deal found 6/19$598
ven. 7/195:30 pmSTL - GTF
2 stops20h 48mUnited Airlines
mer. 7/242:15 pmGTF - STL
2 stops23h 03mUnited Airlines
Deal found 6/19$599

St. Louis to Great Falls 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Great Falls in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated juin 20, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Great Falls in June and July 2024. Check back in a little while for more flight options.
mar. 7/95:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
mar. 7/167:00 amGTF - STL
1 stop14h 11mUnited Airlines
Deal found 6/19$546
sam. 8/35:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
sam. 8/107:00 amGTF - STL
1 stop4h 49mUnited Airlines
Deal found 6/19$557
lun. 7/86:01 pmSTL - GTF
1 stop6h 17mDelta
mer. 7/105:45 amGTF - STL
1 stop6h 55mDelta
Deal found 6/19$558
sam. 8/35:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
sam. 8/107:00 amGTF - STL
2 stops7h 40mUnited Airlines
Deal found 6/19$562
mar. 7/95:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
sam. 7/137:00 amGTF - STL
1 stop14h 20mUnited Airlines
Deal found 6/19$570
sam. 8/34:36 pmSTL - GTF
1 stop5h 42mUnited Airlines
sam. 8/107:00 amGTF - STL
1 stop4h 49mUnited Airlines
Deal found 6/19$578
dim. 7/2812:00 pmSTL - GTF
3 stops29h 41mMultiple Airlines
ven. 8/912:40 pmGTF - STL
3 stops27h 49mMultiple Airlines
Deal found 6/19$585
ven. 7/195:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
mer. 7/247:00 amGTF - STL
1 stop14h 11mUnited Airlines
Deal found 6/19$590
mar. 7/95:30 pmSTL - GTF
2 stops28h 48mUnited Airlines
mar. 7/167:00 amGTF - STL
2 stops14h 37mUnited Airlines
Deal found 6/19$592

St. Louis to Great Falls flights leaving soon

Find last-minute flight options from St. Louis to Great Falls for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated juin 20, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Great Falls. Users should examine the flight details to ensure there are no surprises.
lun. 6/245:56 pmSTL - GTF
1 stop6h 17mDelta
jeu. 6/276:00 amGTF - STL
1 stop7h 33mDelta
Deal found 6/19$1,038
lun. 6/245:56 pmSTL - GTF
1 stop6h 17mDelta
jeu. 6/276:00 amGTF - STL
2 stops11h 01mDelta
Deal found 6/19$1,178
lun. 6/243:23 pmSTL - GTF
2 stops8h 25mDelta
jeu. 6/276:00 amGTF - STL
2 stops11h 01mDelta
Deal found 6/19$1,528

One-way flights to Great Falls from St. Louis

Search for one-way flight options from St. Louis to Great Falls. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated juin 20, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Great Falls, be sure to check out these deals, which are updated often. Those needing a return flight from St. Louis to Great Falls can use the search form above.
dim. 7/287:32 pmSTL - GTF
1 stop29h 27mAlaska Airlines
Deal found 6/19$302
dim. 7/2812:00 pmSTL - GTF
3 stops29h 41mMultiple Airlines
Deal found 6/19$339
dim. 7/285:22 amSTL - GTF
2 stops19h 37mAlaska Airlines
Deal found 6/19$387

Find flights from St. Louis to Great Falls within your budget

Customize your flight search to find flights from St. Louis to Great Falls 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, Cheapflights users made 3,256,981 searches. Data last updated juin 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$546 - $623

Route

Depart

Return

Price

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

mar. 7/9

2 stops28h 48m

Great Falls

mar. 7/16

1 stop14h 11m

$546

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

sam. 8/3

2 stops28h 48m

Great Falls

sam. 8/10

1 stop4h 49m

$557

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

lun. 7/8

1 stop6h 17m

Great Falls

mer. 7/10

1 stop6h 55m

$558

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

sam. 8/3

2 stops28h 48m

Great Falls

sam. 8/10

2 stops7h 40m

$562

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

mar. 7/9

2 stops28h 48m

Great Falls

sam. 7/13

1 stop14h 20m

$570

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

dim. 7/28

3 stops29h 41m

Great Falls

ven. 8/9

3 stops27h 49m

$585

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

mar. 7/9

1 stop6h 17m

Great Falls

sam. 7/13

1 stop7h 48m

$593

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

lun. 7/8

1 stop6h 17m

Great Falls

mer. 7/10

2 stops10h 01m

$598

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

dim. 7/28

1 stop6h 17m

Great Falls

jeu. 8/8

2 stops13h 34m

$623

Flights are sorted by cheapest first

Deals found on 6/19

What is the cheapest day to fly from St. Louis to Great Falls?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Great Falls. Price data was last updated on June 16, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Great Falls flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Great Falls

Have a flexible travel schedule? Discover the best time to fly to Great Falls from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Great Falls by month

Plan your trip to Great Falls by taking into account the average temperature and rainfall totals by month.

GTF

Temperature

24.8 - 68 °F

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Great Falls

Get insights into the airlines that provide service to Great Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Great Falls. Reviews last updated juin 20, 2024.
To help decide which airline to fly from St. Louis to Great Falls, see what other customers have to say about Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,296 reviews

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

8.1
Very good
9,296 reviews
8.1
Very good
9,296 reviews

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

8.0
Very good
10,000 reviews
8.1
Very good
9,296 reviews

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

7.4
Good
10,000 reviews
8.1
Very good
9,296 reviews

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Great airline! I would fly with them again. Overall, very positive experience along every step of the way. I was so jazzed they offer direct flights from Denver to Anchorage! Great customer service.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Great Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from St. Louis to Great Falls for under $600 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Great Falls for under $600. The cheapest flight booked recently is on United Airlines for just $546, but on average you can expect to pay $620.

  • Are there last-minute flights available from St. Louis to Great Falls for under $1,100?

    There are currently 3+ open flights from St. Louis to Great Falls within the next 7 days for less than $1,100.

  • What are the cheapest airlines flying from St. Louis to Great Falls round-trip?

    Flying on United Airlines is currently your cheapest option to Great Falls, with prices starting at $546. Another option worth looking into is Delta, starting at $558 round trip. United Airlines is 13% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does STL to GTF mean?

    This is defined as Lambert-St Louis Airport (STL) and Great Falls Airport (GTF). Codes like Great Falls Airport are often used to just call airports uniquely.

  • Can I find deals for flights from St. Louis to Great Falls that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Great Falls flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Great Falls with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Great Falls flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Great Falls that include hotel bookings?

    Yes. In addition to deals on St. Louis to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Great Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Great Falls.

  • Can I find deals for business class flights from St. Louis to Great Falls?

    Yes. Cheapflights offers flight deals from St. Louis to Great Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Great Falls that allow pets onboard?

    Many airlines flying from St. Louis to Great Falls offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Great Falls?

    Yes, you can often find last-minute deals on St. Louis to Great Falls flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Great Falls flight deals updated?

    The St. Louis to Great Falls flight deals you see on this page were last updated on 6/19.

  • What is the cheapest month to book a flight from St. Louis to Great Falls?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Great Falls (average of $371). Flying from St. Louis to Great Falls in June is currently the most expensive (average of $587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from St. Louis to Great Falls

Discover the top 2 airlines that operate flights from St. Louis to Great Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated juin 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$305Average$522FlexibilityNo cancel feeOn-time69%
DeltaCheapest$373Average$667FlexibilityNo cancel feeOn-timeN/A

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