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Sun Valley

$130+ Cheap flights to Sun Valley

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Flights to Sun Valley in 2026

Cheapest flights to Sun Valley
Explore the most affordable flight options available to Sun Valley. Find the lowest fares based on data from user searches, with prices last updated on February 19, 2026.

This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:38 am
LGA
-
SUN
1 stop8h 16m
American Airlines
Wed 3/251:27 pm
SUN
-
LGA
1 stop8h 32m
American Airlines
Deal found 2/17$259
This Alaska Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:00 am
JFK
-
SUN
1 stop13h 22m
Alaska Airlines
Wed 3/2512:00 pm
SUN
-
JFK
1 stop8h 59m
Alaska Airlines
Deal found 2/18$259
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:10 am
LGA
-
SUN
1 stop7h 34m
United Airlines
Wed 4/17:00 am
SUN
-
LGA
1 stop8h 23m
United Airlines
Deal found 2/16$286
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:10 am
LGA
-
SUN
1 stop7h 43m
United Airlines
Wed 3/257:00 am
SUN
-
LGA
2 stops12h 36m
United Airlines
Deal found 2/16$287
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:10 am
LGA
-
SUN
1 stop7h 34m
United Airlines
Fri 4/312:25 pm
SUN
-
LGA
1 stop7h 28m
United Airlines
Deal found 2/15$300
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:38 am
LGA
-
SUN
1 stop8h 21m
American Airlines
Wed 3/181:27 pm
SUN
-
LGA
1 stop8h 32m
American Airlines
Deal found 2/19$306
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:15 am
JFK
-
SUN
1 stop7h 46m
Delta
Sat 4/2512:42 pm
SUN
-
JFK
1 stop9h 17m
Delta
Deal found 2/18$313
This Expedia deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:00 am
JFK
-
SUN
1 stop13h 22m
Alaska Airlines
Wed 3/1812:00 pm
SUN
-
JFK
1 stop8h 59m
Alaska Airlines
Deal found 2/19$314
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:15 am
JFK
-
SUN
1 stop7h 46m
Delta
Tue 4/217:15 am
SUN
-
JFK
2 stops9h 51m
Delta
Deal found 2/18$318
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:35 pm
LGA
-
SUN
2 stops11h 07m
Delta
Sat 4/257:15 am
SUN
-
LGA
2 stops12h 42m
Delta
Deal found 2/18$323
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:10 am
LGA
-
SUN
1 stop8h 25m
United Airlines
Sat 4/252:24 pm
SUN
-
LGA
1 stop6h 58m
United Airlines
Deal found 2/18$327
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:30 am
EWR
-
SUN
1 stop12h 52m
Alaska Airlines
Wed 3/2512:00 pm
SUN
-
EWR
1 stop15h 58m
Alaska Airlines
Deal found 2/17$329

Find flight deals to Sun Valley

Find the latest flights to Sun Valley in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on February 19, 2026.

Popular in

December

Cheapest in

April

Average price

$658

Round-trip from

$259

One-way from

$130
Highest demand for flights based on searches. 9% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
From New York to Hailey Sun Valley-Friedman
Search Deals
One-way flight from New York to Sun Valley
Search Deals

Cheapflights Fare Finder

 
Locate flights to Sun Valley that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on February 19, 2026.
Use the filters below to find and compare flights to Sun Valley that are best for you.

Fly from

New York

Route

Depart

Return

Price

New YorkHailey

LGA - SUN

LGASUN

New York LaGuardia

Mon 3/16

6:38 am-12:54 pm

1 stop8h 16m

Hailey Sun Valley-Friedman

Wed 3/25

1:27 pm-11:59 pm

1 stop8h 32m

$259

New YorkHailey

JFK - SUN

JFKSUN

New York John F Kennedy Intl

Mon 3/16

7:00 am-6:22 pm

1 stop13h 22m

Hailey Sun Valley-Friedman

Wed 3/25

12:00 pm-10:59 pm

1 stop8h 59m

$259

New YorkHailey

LGA - SUN

LGASUN

New York LaGuardia

Sun 3/29

6:10 am-11:44 am

1 stop7h 34m

Hailey Sun Valley-Friedman

Wed 4/1

7:00 am-5:23 pm

1 stop8h 23m

$286

New YorkHailey

LGA - SUN

LGASUN

New York LaGuardia

Sun 3/22

6:10 am-11:53 am

1 stop7h 43m

Hailey Sun Valley-Friedman

Wed 3/25

7:00 am-9:36 pm

2 stops12h 36m

$287

New YorkHailey

LGA - SUN

LGASUN

New York LaGuardia

Sun 3/29

6:10 am-11:44 am

1 stop7h 34m

Hailey Sun Valley-Friedman

Fri 4/3

12:25 pm-9:53 pm

1 stop7h 28m

$300

New YorkHailey

LGA - SUN

LGASUN

New York LaGuardia

Sun 3/15

6:38 am-12:59 pm

1 stop8h 21m

Hailey Sun Valley-Friedman

Wed 3/18

1:27 pm-11:59 pm

1 stop8h 32m

$306

New YorkHailey

JFK - SUN

JFKSUN

New York John F Kennedy Intl

Sat 4/18

6:15 am-12:01 pm

1 stop7h 46m

Hailey Sun Valley-Friedman

Tue 4/21

3:34 pm-11:59 pm

1 stop6h 25m

$313

New YorkHailey

JFK - SUN

JFKSUN

New York John F Kennedy Intl

Sat 4/18

6:15 am-12:01 pm

1 stop7h 46m

Hailey Sun Valley-Friedman

Sat 4/25

12:42 pm-11:59 pm

1 stop9h 17m

$313

New YorkHailey

JFK - SUN

JFKSUN

New York John F Kennedy Intl

Sun 3/15

7:00 am-6:22 pm

1 stop13h 22m

Hailey Sun Valley-Friedman

Wed 3/18

12:00 pm-10:59 pm

1 stop8h 59m

$314

New YorkHailey

LGA - SUN

LGASUN

New York LaGuardia

Sat 4/18

12:35 pm-9:42 pm

2 stops11h 07m

Hailey Sun Valley-Friedman

Sat 4/25

7:15 am-9:57 pm

2 stops12h 42m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 45 results
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Best time to book a flight to Sun Valley

Have a flexible travel schedule? Discover the best time to fly to Sun Valley with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Sun Valley

When is the best time to book a flight to Sun Valley?

Use this chart to determine the optimal time to book a round-trip flight from New York to Sun Valley. Price data was last updated on February 13, 2026.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights to Sun Valley. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Sun Valley?

On average, a flight from New York to Sun Valley takes 7 hours 43 minutes. Flights to Sun Valley from other popular cities in USA will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Sun Valley?

The most popular airline flying from New York to Sun Valley is United Airlines.

United Airlines
United Airlines
From $185
Delta
Delta
From $99
Alaska Airlines
Alaska Airlines
From $168
American Airlines
American Airlines
From $269

What are the cheapest airlines that fly to Sun Valley?

The cheapest airline flying from New York to Sun Valley is United Airlines.

Rainfall in Sun Valley by month

Plan your trip to Sun Valley by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sun Valley ranges from 0.4 - 2.4 inches per month. January is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Sun Valley when rainfall is around 0.4 in.

Temperature in Sun Valley by month

Plan your trip to Sun Valley by taking into account the average temperature totals 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

Reviews of airlines servicing Sun Valley

Get insights into the airlines that provide service to Sun Valley. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sun Valley. Reviews last updated February 19, 2026.
Peruse reviews from past customers who have flown Delta, United Airlines, and American Airlines to the United States to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,212 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
8,212 reviews
Delta
7.9
Good
8,212 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
9,321 reviews
Delta
7.9
Good
8,212 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
11,313 reviews
Delta
7.9
Good
8,212 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

FAQs about flying to Sun Valley

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

    Yes, flights with layovers 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, Spirit Airlines is rated the highest out of the airlines that fly to Sun Valley.

  • How much is a round-trip flight to Sun Valley?

    A round-trip flight to Sun Valley will typically cost around $253, however they can be found for as little as $55.

  • Where does the fastest flight to Sun Valley depart from?

    For those looking to save time traveling to Sun Valley, Salt Lake City offers the quickest one-way flight (1 hour 4 minutes).

  • Does Boise Air Term. Gowen Fld have rental cars?

    Yes. Those touching down at Boise Air Term. Gowen Fld can take advantage of the rental car 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).

See more FAQs

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