Skip to content

Get United's best fares today on flights from London to Idaho Falls from *

Select journey type

Enter to select travel class and passengers

Low fare calendar for flights from London (LHR) to Idaho Falls (IDA)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
from
£1,113*
Viewed:14 hours ago
day-card-journey-type-option-rt
Return:05/02/2020
30
from
£1,143*
Viewed:14 hours ago
day-card-journey-type-option-rt
Return:06/02/2020
31
from
£1,161*
Viewed:14 hours ago
day-card-journey-type-option-rt
Return:07/02/2020
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from London to Idaho Falls?

FromToDatesFare TypePrice

London (LHR)

Idaho Falls (IDA)

Depart: 16/03/2020

Return: 23/03/2020

Roundtrip
from
£680*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 23/03/2020

Return: 30/03/2020

Roundtrip
from
£680*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 16/03/2020

Return: 30/03/2020

Roundtrip
from
£680*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 09/03/2020

Return: 16/03/2020

Roundtrip
from
£681*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 10/03/2020

Return: 17/03/2020

Roundtrip
from
£681*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 17/03/2020

Return: 24/03/2020

Roundtrip
from
£681*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 24/03/2020

Return: 31/03/2020

Roundtrip
from
£681*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 04/03/2020

Return: 11/03/2020

Roundtrip
from
£681*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 18/03/2020

Return: 25/03/2020

Roundtrip
from
£681*
Viewed:14hoursago

London (LHR)

Idaho Falls (IDA)

Depart: 10/03/2020

Return: 24/03/2020

Roundtrip
from
£681*
Viewed:14hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Idaho Falls

Tuesday snow
-4°C 28/01/2020
Wednesday snow
-4°C 29/01/2020
Thursday snow
-4°C 30/01/2020
Friday light snow
-3°C 31/01/2020
Saturday overcast clouds
0°C 01/02/2020
Sunday snow
-3°C 02/02/2020
Monday light snow
-13°C 03/02/2020
Powered by: OpenWeatherMap.org