$84 Cheap flight deals from Sun Valley (BOI) to Denver (DEN)

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This Weekend's Flight Deals from Sun Valley to Denver

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 27 - Mon, Sep 28
BOI
Boise
DEN
Denver Intl.
$436 Roundtrip, found 14 hours ago
$436
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sun, Sep 27 from Boise to Denver Intl., returning Mon, Sep 28, priced at $436 found 14 hours ago
Fri, Sep 25 - Sun, Sep 27
SUN
Friedman Memorial
DEN
Denver Intl.
$1,054 Roundtrip, found 23 hours ago
$1,054
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Fri, Sep 25 from Friedman Memorial to Denver Intl., returning Sun, Sep 27, priced at $1,054 found 23 hours ago

Airfares from $84 One Way, $180 Round Trip from Sun Valley to Denver

Prices starting at $180 for return flights and $84 for one-way flights to Denver were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 12 - Thu, Oct 15
BOI
Boise
DEN
Denver
$180 Roundtrip, found 16 hours ago
$180
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Mon, Oct 12 from Boise to Denver, returning Thu, Oct 15, priced at $180 found 16 hours ago
Mon, Oct 26 - Thu, Oct 29
BOI
Boise
DEN
Denver
$185 Roundtrip, found 16 hours ago
$185
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Mon, Oct 26 from Boise to Denver, returning Thu, Oct 29, priced at $185 found 16 hours ago
Mon, Dec 14 - Thu, Dec 17
BOI
Boise
DEN
Denver
$188 Roundtrip, found 20 hours ago
$188
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Dec 14 from Boise to Denver, returning Thu, Dec 17, priced at $188 found 20 hours ago
Sat, Dec 5 - Mon, Dec 7
BOI
Boise
DEN
Denver
$196 Roundtrip, found 21 hours ago
$196
Roundtrip
found 21 hours ago
Select Bargain Flight flight, departing Sat, Dec 5 from Boise to Denver, returning Mon, Dec 7, priced at $196 found 21 hours ago
Tue, Oct 20 - Wed, Oct 21
BOI
Boise
DEN
Denver
$197 Roundtrip, found 16 hours ago
$197
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Oct 20 from Boise to Denver, returning Wed, Oct 21, priced at $197 found 16 hours ago

Denver economy flight packages

Price found within the past 48 hours. Click for updated prices.
Renaissance Denver Hotel & Conference Center
4.0-star property

Renaissance Denver Hotel & Conference Center

8.8/10 Excellent! (1,835 reviews)

Nov 6 - Nov 9

3 night stay

Boise (BOI) to Denver (DEN)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $466, price is now $390 per person
$390
per person
found 13 hours ago

Cambria Hotel Denver Downtown RiNo
4.0-star property

Cambria Hotel Denver Downtown RiNo

9.2/10 Wonderful! (800 reviews)

Nov 6 - Nov 9

3 night stay

Boise (BOI) to Denver (DEN)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $513, price is now $423 per person
$423
per person
found 13 hours ago

Table Mountain Inn
4.0-star property

Table Mountain Inn

9.4/10 Exceptional! (1,248 reviews)

Nov 6 - Nov 9

3 night stay

Boise (BOI) to Denver (DEN)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $632, price is now $532 per person
$532
per person
found 13 hours ago
Location was perfect. The valet service was exceptional at 25$ a day. Did not eat at the hotel. Room underwhelming. Pillows were not good. No safe in the room for jewelry or money.

Reviewed on Sep 22, 2026

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More About Flying To Denver from Sun Valley

Route Information for Flights from Sun Valley to Denver

Origin Airport IATA Code
BOI
Destination Airport IATA Code
DEN
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Sun Valley to Denver

When you’re searching for Sun Valley to Denver flights for your family vacation, check out the guaranteed low prices at Orbitz. If you are looking for the best prices on hotels too, you’ll be sure to find great deals to suit your budget. You’ll also benefit from the following features:

Suitable Schedules

Orbitz simplifies the process of finding and booking budget flights from Sun Valley to Denver. Since we monitor hundreds of flight fares, you can compare several flights from a range of different airlines to find the best fares and most suitable departure and arrival times. Mix and match your departure and return flight for even more discounts and travel flexibility.

Mobile Apps

Taking a lunch break or waiting to pick up the kids? Orbitz’s cutting-edge mobile tools will help you search for cheap Sun Valley to Denver flights anywhere you are. Get exclusive mobile deals on flights, hotels, vacation packages, and cruises too.

Flight Alerts

Orbitz won’t leave you wondering whether your flight will take off on time. We can send you free alerts about your flights from Sun Valley to Denver to your mobile phone and email. Whether your flights from Sun Valley to Denver are running just a few minutes to a few hours late, we will let you know.

Miles and Points

If you travel regularly, you can still earn miles and points when you book qualifying Sun Valley to Denver flights. Enter your frequent flyer number with your reservation to see the miles rack up.

Frequently asked questions

Are there non-stop flights from Sun Valley to Denver?
Have your credit card in hand, because there are two carriers that offer nonstop flights from Boise Airport to Denver Intl. Airport (DEN). Lock in an awesome deal with United Airlines or Southwest Airlines.
What is the shortest flight from Sun Valley to Denver?
It can take as little as 2 hours and 25 minutes to travel from BOI to COS. Buckle up and enjoy the trip, because you'll be coming in to land in the blink of an eye.
What airlines fly from Sun Valley to Denver most frequently?
Consider booking a flight with United Airlines (UA), which frequently services this route. This airline offers 152 flights every month between BOI and DEN. Alternatively, reserve your favorite window (or aisle) seat with Southwest Airlines (WN). You'll have 60 monthly flights between Sun Valley and Denver to select from with this carrier.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.