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Cheap flights from St. Louis to Great Falls (STL - GTF) from $492

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/7. 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
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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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 May 5, 2024.

Popular in

December

Cheapest in

September

Average price

$777

Round-trip from

$371
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 36% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Great Falls
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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 70% 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 $615 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 29% on your journey compared to booking in December

When is the cheapest time to fly from St. Louis to Great Falls (STL - GTF)?

It’s typically best to fly out from St. Louis to Great Falls at noon. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap United Airlines flights from St. Louis to Great Falls

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Great Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Check out some of the cheapest United Airlines flights we've come across from St. Louis to Great Falls. Make sure to double check the flight details before booking.
Thu 5/309:05 amSTL - GTF
1 stop12h 58mUnited Airlines
Thu 6/66:45 amGTF - STL
1 stop8h 44mUnited Airlines
Deal found 5/3$585
Fri 6/76:30 amSTL - GTF
2 stops7h 48mUnited Airlines
Sun 6/96:45 amGTF - STL
1 stop5h 01mUnited Airlines
Deal found 5/3$870

Cheap Delta flights from St. Louis to Great Falls

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Great Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Browse through some of the cheapest Delta flights traveling from St. Louis to Great Falls. Deals frequently update to provide users with more options.
Thu 5/3012:00 pmSTL - GTF
2 stops11h 36mDelta
Thu 6/65:45 amGTF - STL
1 stop6h 47mDelta
Deal found 5/3$633
Thu 5/3012:00 pmSTL - GTF
2 stops11h 36mDelta
Thu 6/65:45 amGTF - STL
2 stops10h 01mDelta
Deal found 5/3$638

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

Find cheap flight options from St. Louis to Great Falls specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 5, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Great Falls in May and June 2024. Check back in a little while for more flight options.
Fri 6/77:41 pmSTL - GTF
1 stop29h 14mAlaska Airlines
Sun 6/97:00 amGTF - STL
1 stop15h 59mAlaska Airlines
Deal found 5/3$492
Thu 5/307:00 amSTL - GTF
1 stop17h 55mAlaska Airlines
Sun 6/27:00 amGTF - STL
1 stop29h 36mAlaska Airlines
Deal found 5/5$502
Thu 5/309:05 amSTL - GTF
1 stop12h 58mUnited Airlines
Thu 6/66:45 amGTF - STL
1 stop8h 44mUnited Airlines
Deal found 5/3$585
Thu 5/3012:00 pmSTL - GTF
2 stops11h 36mDelta
Thu 6/65:45 amGTF - STL
1 stop6h 47mDelta
Deal found 5/3$633
Thu 5/3012:00 pmSTL - GTF
2 stops11h 36mDelta
Thu 6/65:45 amGTF - STL
2 stops10h 01mDelta
Deal found 5/3$638
Tue 5/710:10 amSTL - GTF
2 stops12h 06mUnited Airlines
Sat 5/112:25 pmGTF - STL
1 stop5h 44mUnited Airlines
Deal found 5/3$856
Fri 6/76:30 amSTL - GTF
2 stops7h 48mUnited Airlines
Sun 6/96:45 amGTF - STL
1 stop5h 01mUnited Airlines
Deal found 5/3$870
Tue 5/76:00 amSTL - GTF
2 stops16h 16mUnited Airlines
Sat 5/116:50 amGTF - STL
2 stops13h 59mUnited Airlines
Deal found 5/3$894
Tue 5/77:00 amSTL - GTF
1 stop9h 06mAlaska Airlines
Sat 5/113:46 pmGTF - STL
1 stop7h 13mAlaska Airlines
Deal found 5/3$993

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 2,719,943 searches. Data last updated May 5, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Great Falls in May and June 2024. Check back in a little while for more flight options.
Fri 6/77:41 pmSTL - GTF
1 stop29h 14mAlaska Airlines
Sun 6/97:00 amGTF - STL
1 stop15h 59mAlaska Airlines
Deal found 5/3$492
Thu 5/307:00 amSTL - GTF
1 stop17h 55mAlaska Airlines
Sun 6/27:00 amGTF - STL
1 stop29h 36mAlaska Airlines
Deal found 5/5$502
Thu 5/309:05 amSTL - GTF
1 stop12h 58mUnited Airlines
Thu 6/66:45 amGTF - STL
1 stop8h 44mUnited Airlines
Deal found 5/3$585
Thu 5/3012:00 pmSTL - GTF
2 stops11h 36mDelta
Thu 6/65:45 amGTF - STL
1 stop6h 47mDelta
Deal found 5/3$633
Thu 5/3012:00 pmSTL - GTF
2 stops11h 36mDelta
Thu 6/65:45 amGTF - STL
2 stops10h 01mDelta
Deal found 5/3$638
Tue 5/710:10 amSTL - GTF
2 stops12h 06mUnited Airlines
Sat 5/112:25 pmGTF - STL
1 stop5h 44mUnited Airlines
Deal found 5/3$856
Fri 6/76:30 amSTL - GTF
2 stops7h 48mUnited Airlines
Sun 6/96:45 amGTF - STL
1 stop5h 01mUnited Airlines
Deal found 5/3$870
Tue 5/76:00 amSTL - GTF
2 stops16h 16mUnited Airlines
Sat 5/116:50 amGTF - STL
2 stops13h 59mUnited Airlines
Deal found 5/3$894
Tue 5/75:30 pmSTL - GTF
1 stop6h 06mDelta
Sat 5/115:45 amGTF - STL
1 stop6h 47mDelta
Deal found 5/4$993

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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$492 - $870

Route

Depart

Return

Price

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Fri 6/7

1 stop29h 14m

Great Falls

Sun 6/9

1 stop15h 59m

$492

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Thu 5/30

1 stop12h 58m

Great Falls

Thu 6/6

1 stop8h 44m

$585

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Thu 5/30

2 stops11h 36m

Great Falls

Thu 6/6

1 stop6h 47m

$633

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Thu 5/30

2 stops11h 36m

Great Falls

Thu 6/6

2 stops10h 01m

$638

Lambert-St LouisGreat Falls

STL - GTF

STLGTF

Lambert-St Louis

Fri 6/7

2 stops7h 48m

Great Falls

Sun 6/9

1 stop5h 01m

$870

Flights are sorted by cheapest first

Deals found on 5/3

When is the cheapest time 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 April 28, 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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Great Falls by month

Plan your trip from St. Louis to Great Falls by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Great Falls is currently $0 while a round-trip flight costs $644. Price data was last updated on April 28, 2024.

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 $570). 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.

January

$372

February

$371

March

$499

April

$487

May

$490

June

$570

July

$546

August

$467

September

$416

October

$447

November

$470

December

$435

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

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 May 5, 2024.
To help decide which airline to fly from St. Louis to Great Falls, see what other customers have to say about United Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,134 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,826 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,118 reviews
Alaska Airlines
8.1
Very good
9,134 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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 $500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Great Falls for under $500. The cheapest flight booked recently is on Alaska Airlines for just $492, but on average you can expect to pay $643.

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

    Flying on Alaska Airlines is currently your cheapest option to Great Falls, with prices starting at $492. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $585 and $633, respectively. Alaska Airlines is 20% 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 5/5.

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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$305Average$536FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$373Average$667FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from St. Louis to Great Falls by cabin class

Find flights from St. Louis to Great Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Great Falls?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Great Falls. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Great Falls?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Great Falls for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St. Louis to Great Falls with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Great Falls with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Great Falls become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Great Falls from St. Louis today and book when prices fit your budget.

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