Great Falls

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

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

Travelers have found that booking a Sunday departure is the best way to save up to 103% 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?

November is one of the best times of the year to fly to Great Falls from St. Louis. Prices for November average $518 per person but you can even find prices for as low as $207. The most expensive prices can be found in the month of May. Opting for a November flight can save you 98% on your journey compared to booking in November

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 13% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from St. Louis to Great Falls in January, February 2022

The best prices found for STL to GTF flights for January, February
Jan 28 - Jan 30
STL

Lambert-St Louis

GTF

Great Falls

2 stops

10h 26m
GTF

Great Falls

STL

Lambert-St Louis

3 stops

18h 55m
$534

Multiple Airlines

View Deal

Deal found 1/21/22

Jan 28 - Jan 30
STL

Lambert-St Louis

GTF

Great Falls

2 stops

20h 36m
GTF

Great Falls

STL

Lambert-St Louis

2 stops

16h 05m
$539

Multiple Airlines

View Deal

Deal found 1/21/22

Jan 28 - Jan 30
STL

Lambert-St Louis

GTF

Great Falls

1 stop

6h 38m
GTF

Great Falls

STL

Lambert-St Louis

1 stop

6h 02m
$540

Delta

View Deal

Deal found 1/21/22

St. Louis to Great Falls 2022 flight deals

Cheap flights to Great Falls from St. Louis found for this year
Mar 1 - Mar 8
STL

Lambert-St Louis

GTF

Great Falls

1 stop

8h 12m
GTF

Great Falls

STL

Lambert-St Louis

1 stop

5h 10m
$276

United Airlines

View Deal

Deal found 1/21/22

Mar 1 - Mar 8
STL

Lambert-St Louis

GTF

Great Falls

1 stop

8h 12m
GTF

Great Falls

STL

Lambert-St Louis

2 stops

21h 02m
$402

United Airlines

View Deal

Deal found 1/21/22

Mar 1 - Mar 8
STL

Lambert-St Louis

GTF

Great Falls

2 stops

27h 27m
GTF

Great Falls

STL

Lambert-St Louis

2 stops

23h 37m
$487

United Airlines

View Deal

Deal found 1/21/22

Last minute flights from St. Louis to Great Falls

Late deals on return flights to Great Falls from St. Louis, departing today and this week
Jan 28 - Jan 30
STL

Lambert-St Louis

GTF

Great Falls

2 stops

10h 26m
GTF

Great Falls

STL

Lambert-St Louis

3 stops

18h 55m
$534

Multiple Airlines

View Deal

Deal found 1/21/22

Jan 28 - Jan 30
STL

Lambert-St Louis

GTF

Great Falls

2 stops

20h 36m
GTF

Great Falls

STL

Lambert-St Louis

2 stops

16h 05m
$539

Multiple Airlines

View Deal

Deal found 1/21/22

Jan 28 - Jan 30
STL

Lambert-St Louis

GTF

Great Falls

1 stop

6h 38m
GTF

Great Falls

STL

Lambert-St Louis

1 stop

6h 02m
$540

Delta

View Deal

Deal found 1/21/22

Related info for your journey

Useful info, stats and facts about St. Louis to Great Falls flights.

Which airlines flying from Lambert-St Louis to Great Falls have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Great Falls that may be offering flexible cancellation policies are United Airlines, Delta, and Major Airline. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St. Louis to Great Falls for under $300 on Cheapflights?

Yes, there are multiple flights from St. Louis to Great Falls for under $300. The cheapest flight booked recently is on United Airlines for just $276, but on average you can expect to pay $430.

Are there last-minute flights available from St. Louis to Great Falls for under $600?

There are currently 5+ open flights from St. Louis to Great Falls within the next 7 days for less than $600.

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

Flying on United Airlines is currently your cheapest option to Great Falls, with prices starting at $276. United Airlines is 46% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular airlines that fly from St. Louis to Great Falls?

Before booking your flight from St. Louis to Great Falls check out the most popular airlines for this route: Major Airline, Delta or United Airlines.

What are the cheapest flights from St. Louis to Great Falls?

Looking for the cheapest flight from St. Louis to Great Falls? While on average our users pay $359, our data indicates the cheapest price to be $182. The most popular route (Lambert-St Louis - Great Falls), is priced around $460.

Can I fly to Great Falls from Lambert-St Louis right now?

Information is based on travel restrictions for travel to Great Falls within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Great Falls.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Great Falls.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Great Falls.

Can I fly back to Lambert-St Louis from Great Falls?

Returning to Lambert-St Louis from Great Falls

COVID-19 testing requirements
Visitors from Great Falls must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Great Falls are not required to quarantine after entering Lambert-St Louis.

Alternative routes for St. Louis to Great Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Great Falls

The chart below displays the airlines Cheapflights users traveling from St. Louis to Great Falls choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Delta
Cheapest$192
Average$505
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
United Airlines
Cheapest$202
Average$488
FlexibilityNo cancel fee
On-time69%
COVID-19 safety