Skip to content

United flights from London to Sun Valley starting at

Select journey type

Enter to select travel class and passengers

Book with confidence with United

Low fare calendar for flights from London (LHR) to Sun Valley (SUN)

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
30
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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.

More United deals on London (LHR) to Sun Valley (SUN) flights

FromToDatesFare TypePrice

London (LHR)

Sun Valley (SUN)

Depart: 04/01/2021

Return: 18/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 05/01/2021

Return: 19/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 06/01/2021

Return: 20/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 04/01/2021

Return: 11/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 05/01/2021

Return: 12/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 11/01/2021

Return: 25/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 06/01/2021

Return: 13/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 11/01/2021

Return: 18/01/2021

Roundtrip
from
£658*
Viewed:12hoursago

London (LHR)

Sun Valley (SUN)

Depart: 12/01/2021

Return: 19/01/2021

Roundtrip
from
£658*
Viewed:1hourago

London (LHR)

Sun Valley (SUN)

Depart: 13/01/2021

Return: 20/01/2021

Roundtrip
from
£658*
Viewed:1hourago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, 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 Sun Valley

Wednesday few clouds
11°C 21/10/2020
Thursday sky is clear
3°C 22/10/2020
Friday scattered clouds
4°C 23/10/2020
Saturday light rain
8°C 24/10/2020
Sunday snow
-3°C 25/10/2020
Monday sky is clear
-3°C 26/10/2020
Tuesday sky is clear
2°C 27/10/2020
Powered by: OpenWeatherMap.org