Flight information for St. Louis to Great Falls
(STL to GTF)
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Great Falls
| Best Price Found | $365 | The best flight deal from St. Louis to Great Falls found on momondo in the last 72 hours is $365 |
| Fastest flight time | 5h 45m | The fastest flight from St. Louis to Great Falls takes 5h 45m |
| Direct flights | None | There are no direct flights from St. Louis to Great Falls. Popular non-direct route for this connection is Lambert-St Louis Airport - Great Falls Airport. |
| Airports in Great Falls | 1 airport | There is 1 airport near Great Falls: Great Falls (GTF) |
How to get the cheapest flight ticket from St. Louis to Great Falls
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from St. Louis to Great Falls?
September
The cheapest time of year to fly to Great Falls from St. Louis is September. Most expensive is March
What is the cheapest day to depart St. Louis for Great Falls?
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Tuesday
When is the cheapest time to fly from St. Louis to Great Falls?
in the afternoon
St. Louis to Great Falls flights are approximately 13% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Great Falls from St. Louis?
United Airlines
Delta and United Airlines are the most popular carriers operating from St. Louis to Great Falls
What is the cheapest St. Louis to Great Falls flight route?
Lambert-St Louis - Great Falls
Fly from Lambert-St Louis to Great Falls for the best St. Louis - Great Falls flight prices
Easily compare round-trip flights from St. Louis to Great Falls
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Great Falls by changing tabs
Multiple Airlines![Multiple Airlines]()
Dec 4![Multiple Airlines]()
Dec 10
STL5:39 amLambert-St Louis
29h 01m
1 stop
GTF10:40 amGreat Falls
GTF4:52 pmGreat Falls
20h 02m
1 stop
STL12:54 pmLambert-St Louis
United Airlines![United Airlines]()
Feb 28![United Airlines]()
Mar 1
STL5:30 amLambert-St Louis
27h 59m
2 stops
GTF9:29 amGreat Falls
GTF12:45 pmGreat Falls
4h 33m
1 stop
STL5:18 pmLambert-St Louis
Multiple Airlines![Multiple Airlines]()
Dec 4![Multiple Airlines]()
Dec 10
STL1:28 pmLambert-St Louis
21h 12m
2 stops
GTF10:40 amGreat Falls
GTF4:52 pmGreat Falls
20h 02m
1 stop
STL12:54 pmLambert-St Louis
Multiple Airlines![Multiple Airlines]()
Dec 4![Multiple Airlines]()
Dec 10
STL1:28 pmLambert-St Louis
21h 12m
2 stops
GTF10:40 amGreat Falls
GTF4:52 pmGreat Falls
10h 18m
2 stops
STL3:10 amLambert-St Louis
Delta![Delta]()
Oct 28![Delta]()
Nov 1
STL10:19 amLambert-St Louis
5h 45m
1 stop
GTF4:04 pmGreat Falls
GTF8:30 amGreat Falls
9h 05m
2 stops
STL5:35 pmLambert-St Louis
Search last-minute flights to Great Falls from St. Louis
Find and compare flight prices for your last-minute flight from St. Louis to Great Falls
Delta![Delta]()
Oct 28![Delta]()
Nov 1
STL10:19 amLambert-St Louis
5h 45m
1 stop
GTF4:04 pmGreat Falls
GTF8:30 amGreat Falls
9h 05m
2 stops
STL5:35 pmLambert-St Louis
Alaska Airlines![Alaska Airlines]()
Oct 28![Alaska Airlines]()
Nov 1
STL12:58 pmLambert-St Louis
22h 16m
1 stop
GTF11:14 amGreat Falls
GTF10:54 amGreat Falls
24h 04m
1 stop
STL10:58 amLambert-St Louis
Delta![Delta]()
Oct 28![Delta]()
Nov 1
STL2:24 amLambert-St Louis
11h 35m
2 stops
GTF1:59 pmGreat Falls
GTF8:30 amGreat Falls
9h 05m
2 stops
STL5:35 pmLambert-St Louis
Delta![Delta]()
Oct 28![Delta]()
Nov 1
STL2:05 amLambert-St Louis
11h 54m
2 stops
GTF1:59 pmGreat Falls
GTF3:00 amGreat Falls
16h 46m
1 stop
STL7:46 pmLambert-St Louis
Best airlines flying from St. Louis to Great Falls
Compare and see reviews for airlines that fly from St. Louis to Great Falls with momondo
AirlineFree CancellationPrice
PriceFrom $192
Free Cancellation
Reviews
Great
1 / 10
PriceFrom $202
Free Cancellation
Reviews
Not because the flight is going to Africa we can’t get better service on board
1 / 10
Are airlines flying from Lambert-St Louis to Great Falls offering flexible cancellation due to COVID-19?
Due to the global impact of COVID-19, some of our airline partners operating flights from Lambert-St Louis to Great Falls, such as United Airlines, Delta, and Major Airline may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.
How far is Lambert-St Louis to Great Falls by plane?
The distance between Lambert-St Louis and Great Falls is about 1222.4 mi. A reasonable flight in good conditions will take 5h 40m.
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 72 hours before departing to Great Falls.
Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Great Falls.
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 72 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 72 hours before departing to Lambert-St Louis.
Quarantine requirements
Visitors from Great Falls are not required to quarantine after entering Lambert-St Louis.
COVID-19 testing requirements
Visitors from Great Falls must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.
Quarantine requirements
Visitors from Great Falls are not required to quarantine after entering Lambert-St Louis.