Cheap flights from Saint Thomas to Idaho Falls, ID

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How much do flights to Idaho Falls cost?

Key info about flying to Idaho Falls

Depart from
Cyril E. King
Arrive to
Idaho Falls Regional
Average flights per week
68
Flight distance
Worth visiting
Yellowstone National Park - The Rocky Mountains

Great deals from Saint Thomas to Idaho Falls

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Check-in for a flight from Saint Thomas to Idaho Falls

NameCarrier codeIATA CodePassport needed during booking
Spirit AirlinesNKSNKNo
Alaska AirlinesASAASNo
Allegiant AirAAYG4No
Frontier AirlinesFFTF9No
JetBlue AirwaysJBUB6No

Weather in Idaho Falls

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-1°C-10°C
February0°C-8°C
March6°C-3°C
April12°C0°C
May18°C4°C
June24°C9°C
July31°C13°C
August29°C13°C
September24°C9°C
October14°C2°C
November5°C-3°C
December-1°C-9°C
Hottest Month
31°C
July
Coldest month
-10°C
January
Sunny days
275
days per year
Snow days
20
days per year

14 day forecast

Monday
9 Dec
-2°C-7°C
16 Dec
-1°C-9°C
Tuesday
10 Dec
-4°C-7°C
17 Dec
-1°C-8°C
Wednesday
11 Dec
1°C-9°C
18 Dec
1°C-8°C
Thursday
12 Dec
4°C-7°C
19 Dec
3°C-6°C
Friday
13 Dec
1°C-7°C
20 Dec
5°C-4°C
Saturday
14 Dec
7°C-2°C
21 Dec
7°C-3°C
Sunday
15 Dec
1°C-5°C
22 Dec
83%
8°C-1°C
The most popular airlines for this route are Spirit Airlines, Alaska Airlines, Allegiant Air, Frontier Airlines, and JetBlue Airways. Saint Thomas and Idaho Falls have 68 direct flights per week. When you arrive at Idaho Falls, consider visiting Yellowstone National Park, and The Rocky Mountains.

Frequently asked questions

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