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Sun Valley

$195+ Cheap flights from Denver (DEN) to Sun Valley, ID

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
cze 10 — cze 171
śr. 6/10
śr. 6/17
1 adult, Economy
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Cheap flight deals from Denver to Sun Valley

Cheapest flights from Denver to Sun Valley
Explore the most affordable flight options available from Denver to Sun Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Maj 11, 2026.

This United Airlines deal was found by Cheapflights users on 5/9. 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.
sob. 7/1811:44 am
DEN
-
SUN
Nonstop2h 03m
United Airlines
sob. 7/257:00 am
SUN
-
DEN
Nonstop1h 58m
United Airlines
Deal found 5/9$439
This Delta deal was found by Cheapflights users on 5/9. 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.
śr. 6/173:55 pm
DEN
-
SUN
1 stop6h 14m
Delta
ndz. 6/213:15 pm
SUN
-
DEN
1 stop4h 49m
Delta
Deal found 5/9$459
This Delta deal was found by Cheapflights users on 5/7. 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.
czw. 5/217:55 am
DEN
-
SUN
1 stop4h 02m
Delta
pon. 5/257:30 am
SUN
-
DEN
1 stop4h 15m
Delta
Deal found 5/7$469
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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.
śr. 5/277:51 pm
DEN
-
SUN
2 stops38h 23m
Alaska Airlines
sob. 5/3010:56 am
SUN
-
DEN
1 stop24h 28m
Alaska Airlines
Deal found 5/6$491
This Delta deal was found by Cheapflights users on 5/6. 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.
czw. 6/113:55 pm
DEN
-
SUN
1 stop6h 14m
Delta
ndz. 6/143:15 pm
SUN
-
DEN
1 stop4h 49m
Delta
Deal found 5/6$494
This United Airlines deal was found by Cheapflights users on 5/6. 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.
czw. 6/117:25 pm
DEN
-
SUN
Nonstop2h 01m
United Airlines
ndz. 6/147:00 am
SUN
-
DEN
Nonstop1h 58m
United Airlines
Deal found 5/6$509
This United Airlines deal was found by Cheapflights users on 5/7. 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.
czw. 5/2111:44 am
DEN
-
SUN
Nonstop2h 03m
United Airlines
pon. 5/252:38 pm
SUN
-
DEN
Nonstop2h 07m
United Airlines
Deal found 5/7$529
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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.
śr. 10/287:05 am
DEN
-
SUN
1 stop28h 06m
Alaska Airlines
sob. 10/3111:53 am
SUN
-
DEN
1 stop6h 07m
Alaska Airlines
Deal found 5/10$530

Find flight deals from Denver to Sun Valley

Keep the following information in mind while searching for Denver to Sun Valley flight deals. Data was last updated Maj 11, 2026.

Round-trip from

$439
(United Airlines)

One-way from

$195
(Alaska Airlines)

Popular in

August

Cheapest in

November

Average price

$369
From Denver Intl to Sun Valley
Search Deals
One-way flight from Denver Intl to Sun Valley
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Sun Valley that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Maj 11, 2026.
Use the filters below to find and compare flights from Denver to Sun Valley that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverHailey

DEN - SUN

DENSUN

Denver Intl

sob. 7/18

11:44 am-1:47 pm

Nonstop2h 03m

Hailey Sun Valley-Friedman

sob. 7/25

7:00 am-8:58 am

Nonstop1h 58m

$439
Quickest round-trip

DenverHailey

DEN - SUN

DENSUN

Denver Intl

wt. 7/28

7:25 pm-9:26 pm

Nonstop2h 01m

Hailey Sun Valley-Friedman

wt. 8/4

7:00 am-8:58 am

Nonstop1h 58m

$439

DenverHailey

DEN - SUN

DENSUN

Denver Intl

czw. 5/21

5:30 am-11:57 am

1 stop6h 27m

Hailey Sun Valley-Friedman

pon. 5/25

3:20 pm-7:15 pm

1 stop3h 55m

$469

DenverHailey

DEN - SUN

DENSUN

Denver Intl

czw. 6/11

11:44 am-1:47 pm

Nonstop2h 03m

Hailey Sun Valley-Friedman

ndz. 6/14

7:00 am-8:58 am

Nonstop1h 58m

$519

DenverHailey

DEN - SUN

DENSUN

Denver Intl

śr. 10/28

11:43 am-1:44 pm

Nonstop2h 01m

Hailey Sun Valley-Friedman

sob. 10/31

2:29 pm-4:27 pm

Nonstop1h 58m

$519

DenverHailey

DEN - SUN

DENSUN

Denver Intl

śr. 6/17

7:25 pm-9:26 pm

Nonstop2h 01m

Hailey Sun Valley-Friedman

ndz. 6/21

7:00 am-8:58 am

Nonstop1h 58m

$519

DenverHailey

DEN - SUN

DENSUN

Denver Intl

śr. 5/27

7:51 pm-10:14 am

2 stops38h 23m

Hailey Sun Valley-Friedman

sob. 5/30

10:56 am-9:37 pm

2 stops10h 41m

$527

DenverHailey

DEN - SUN

DENSUN

Denver Intl

śr. 10/28

3:04 pm-11:11 am

2 stops20h 07m

Hailey Sun Valley-Friedman

sob. 10/31

11:53 am-6:00 pm

1 stop6h 07m

$527

DenverHailey

DEN - SUN

DENSUN

Denver Intl

czw. 5/21

11:44 am-1:47 pm

Nonstop2h 03m

Hailey Sun Valley-Friedman

pon. 5/25

2:38 pm-4:45 pm

Nonstop2h 07m

$529

DenverHailey

DEN - SUN

DENSUN

Denver Intl

śr. 5/27

9:00 pm-10:56 pm

2 stops25h 56m

Hailey Sun Valley-Friedman

sob. 5/30

2:38 pm-4:45 pm

Nonstop2h 07m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Denver to Sun Valley

Have a flexible travel schedule? Discover the best time to fly to Sun Valley from Denver 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 from Denver to Sun Valley

What is the cheapest time of day to fly from DEN to SV9?

Find hourly flight availability from Denver to Sun Valley. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Maj 11, 2026.

It’s optimal to fly from Denver to Sun Valley in the morning. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Denver to Sun Valley?

Use this chart to determine the cheapest time to fly round-trip from Denver to Sun Valley. Price data was last updated on May 9, 2026.

Travelers seeking maximum savings on their Denver to Sun Valley flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Sun Valley

Explore weekly flight availability from Denver to Sun Valley. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated Maj 11, 2026.

The most flights from DEN to SV9 are scheduled on a Sunday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Denver to Sun Valley?

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 Maj 11, 2026.
Read reviews from past customers who have flown United Airlines from Denver to Sun Valley. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,700 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,700 reviews
United Airlines
7.4
Good
9,700 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Denver to Sun Valley. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Sun Valley?

    If you book a flight to Sun Valley from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There is 1 flight from Denver Intl to Sun Valley per day from 4 different airlines.

  • How popular is this Denver to Sun Valley flight route?

    The Denver Intl to Sun Valley flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Denver to Sun Valley?

    For as low as $439, United Airlines can have you in Sun Valley from Denver in 2h 01m. The distance from Denver to Sun Valley is about 556 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most reliable airlines from Denver to Sun Valley?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to Sun Valley on time: Frontier (93%), SkyWest Airlines (89%), Copa Airlines (86%).

  • What are the cheapest flights from Denver to Sun Valley?

    Looking at all options, your cheapest flight can be booked for $84. While the most popular route (Denver Intl - Hailey Sun Valley-Friedman) can be booked for $439 on average, our data indicates $263 when flying from Denver to Sun Valley.

  • Can I find deals for flights from Denver to Sun Valley that include hotel bookings?

    Yes. In addition to deals on Denver to Sun Valley flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Sun Valley?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Sun Valley.

  • Can I find deals for business class flights from Denver to Sun Valley?

    Yes. Cheapflights offers flight deals from Denver to Sun Valley by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 4 airlines flying from Denver to Sun Valley

Discover the top 4 airlines that operate flights from Denver to Sun Valley. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Maj 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$125FlexibilityNo cancel feeOn-time62%
DeltaCheapest$68Average$209FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$161Average$383FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$189Average$305FlexibilityNo cancel feeOn-time63%

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