Cheap flights from St. Louis to Great Falls (STL - GTF) from $944

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 5/7. 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
mei. 12 — mei. 191

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 mei 7, 2024.

Popular in

December

Cheapest in

September

Average price

$777

Round-trip from

$371
High demand for flights, 23% potential price rise
Best time to find cheap flights, 36% potential price drop
Average for round-trip flights in May 2024
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 $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 in the morning. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 2,689,106 searches. Prices were last updated on mei 7, 2024.
di 5/710:10 amSTL - GTF
2 stops12h 06mUnited Airlines
za 5/116:50 amGTF - STL
2 stops13h 59mUnited Airlines
Deal found 5/5$944
di 5/710:10 amSTL - GTF
2 stops12h 06mUnited Airlines
za 5/116:50 amGTF - STL
1 stop4h 51mUnited Airlines
Deal found 5/5$1,081
di 5/75:30 pmSTL - GTF
1 stop6h 06mDelta
za 5/115:45 amGTF - STL
1 stop6h 47mDelta
Deal found 5/5$1,218

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 2,689,106 searches. Data last updated mei 7, 2024.
di 5/710:10 amSTL - GTF
2 stops12h 06mUnited Airlines
za 5/116:50 amGTF - STL
2 stops13h 59mUnited Airlines
Deal found 5/5$944
di 5/710:10 amSTL - GTF
2 stops12h 06mUnited Airlines
za 5/116:50 amGTF - STL
1 stop4h 51mUnited Airlines
Deal found 5/5$1,081
di 5/75:30 pmSTL - GTF
1 stop6h 06mDelta
za 5/115:45 amGTF - STL
1 stop6h 47mDelta
Deal found 5/5$1,218

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 May 5, 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.
Search Deals

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 $0. 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

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.
  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2,689,106 searches. Data last updated mei 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$305Average$534FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$373Average$667FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.