Popular in | March |
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Cheapest in | September |
Average price | $693 |
Round-trip from | $318 |
Sunday flights are found to be more expensive to fly from Idaho Falls to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.
Our data shows that September tends to be the cheapest month to fly to St. Louis from Idaho Falls. Users have commonly found prices around $624 for the month, but tickets can be as low as $375. Due to multiple factors, prepare for potentially higher prices in March.
Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Idaho Falls to St. Louis by exploring options for tickets in the afternoon.
Fly from
Fly to
Budget
$560 - $896
Route
Depart
Return
Price
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Wed 8/7
1 stop27h 12m
Lambert-St Louis
Fri 8/9
2 stops17h 05m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Wed 8/7
1 stop27h 12m
Lambert-St Louis
Fri 8/9
2 stops17h 05m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Wed 8/7
1 stop4h 56m
Lambert-St Louis
Fri 8/9
1 stop5h 28m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Wed 8/7
2 stops20h 41m
Lambert-St Louis
Fri 8/9
2 stops17h 05m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Wed 8/7
2 stops20h 41m
Lambert-St Louis
Fri 8/9
2 stops17h 05m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Mon 7/8
1 stop27h 12m
Lambert-St Louis
Mon 7/15
2 stops24h 48m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Thu 6/27
1 stop6h 36m
Lambert-St Louis
Tue 7/2
1 stop9h 10m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Tue 6/25
1 stop18h 11m
Lambert-St Louis
Fri 6/28
1 stop15h 43m
Idaho Falls Fanning FieldLambert-St Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Tue 6/25
2 stops14h 30m
Lambert-St Louis
Fri 6/28
1 stop15h 43m
STL Temperature | 32 - 80.6 °F |
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If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Boarding
Food
Entertainment
Overall
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
United Airlines | Cheapest$392 | Average$654 | FlexibilityNo cancel fee | On-time69% |
Delta | Cheapest$505 | Average$666 | FlexibilityNo cancel fee | On-timeN/A |