Popular in | March |
---|---|
Cheapest in | October |
Average price | $476 |
Round-trip from | $397 |
Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 54% on your flight compared to booking on days when demand is much higher.
Our data shows that October tends to be the cheapest month to fly to Idaho Falls from St. Louis. Users have commonly found prices around $639 for the month, but tickets can be as low as $389. Due to multiple factors, prepare for potentially higher prices in March.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Idaho Falls in the morning. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight at noon.
Fly from
Fly to
Budget
$540 - $611
Route
Depart
Return
Price
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Fri 10/11
1 stop25h 20m
Idaho Falls Fanning Field
Tue 10/15
1 stop27h 35m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Thu 7/4
1 stop8h 23m
Idaho Falls Fanning Field
Fri 7/12
2 stops19h 38m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Fri 5/31
1 stop5h 33m
Idaho Falls Fanning Field
Tue 6/4
1 stop4h 46m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Fri 5/31
1 stop20h 11m
Idaho Falls Fanning Field
Tue 6/4
1 stop16h 59m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Thu 7/4
1 stop13h 00m
Idaho Falls Fanning Field
Fri 7/12
2 stops19h 38m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Fri 5/31
1 stop8h 23m
Idaho Falls Fanning Field
Tue 6/4
1 stop18h 39m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Fri 10/11
1 stop17h 49m
Idaho Falls Fanning Field
Tue 10/15
2 stops21h 09m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Wed 6/5
1 stop5h 28m
Idaho Falls Fanning Field
Sun 6/9
1 stop4h 40m
Lambert-St LouisIdaho Falls Fanning Field
STL - IDA
STLIDA
Lambert-St Louis
Wed 6/5
2 stops7h 53m
Idaho Falls Fanning Field
Sun 6/9
1 stop4h 40m
Currently, December is the cheapest month in which you can book a flight from St. Louis to Idaho Falls (average of $397). Flying from St. Louis to Idaho Falls in June is currently the most expensive (average of $625). 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
$469
February
$446
March
$535
April
$498
May
$493
June
$625
July
$611
August
$553
September
$532
October
$488
November
$456
December
$397
IDA Temperature | 23 - 69.8 °F |
---|
Boarding
Comfort
Entertainment
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Boarding
Comfort
Entertainment
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
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