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Cheap flights to Sun Valley

— BOI
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

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Return from

£847
Alaska Airlines
  • Alaska Airlines
  • 14/1-18/1
  • 2 total stops
  • 60h 39m total
  • London to Hailey
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Cheapflights Insights

Everything you need to know about your flight to Sun Valley

Rainfall in Sun Valley by month

In terms of precipitation, rainfall in Sun Valley ranges from 10.0 - 60.0 inches per month. January is typically the wettest month, when rainfall can reach 60.0 mm. July is typically the driest time to visit Sun Valley when rainfall is around 10.0 mm.

Temperature in Sun Valley by month

If weather is an important factor for your trip to Sun Valley, 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 18.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -7.0 C).

How long is the flight to Sun Valley?

On average, a flight from London to Sun Valley takes 36 hours 19 minutes. Flights to Sun Valley from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Reviews of airlines servicing Sun Valley

Get a feel of what it's like to fly with United Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,422 reviews
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Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.3

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.3
Good
10,422 reviews
United Airlines
7.3
Good
10,422 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.3

Crew

8.1

Food

6.7

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

FAQs about flying to Sun Valley

  • Can I find cheaper flights to Sun Valley if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Sun Valley on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sun Valley?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Sun Valley.

  • Does Boise Air Term. Gowen Fld have car hire?

    Yes. Those touching down at Boise Air Term. Gowen Fld can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Boise Air Term. Gowen Fld?

    Yes. Boise Air Term. Gowen Fld has hotels nearby for those requiring accommodations. Layover Inn Boise Airport is the closest property to Boise Air Term. Gowen Fld (0.0 mi away from Boise Air Term. Gowen Fld).

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