£257 Cheap Flights from Denver (DEN) to Sun Valley (SUN)

You can find one-way and return flights from DEN to SUN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to SUN ticket fares go up or down.

If you're looking for the cheapest time to fly from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial), October is typically your best bet. You can expect average return fares around £245 during this month. October often sees lower prices as it falls outside of peak holiday or summer travel seasons, leading to less demand. Other budget-friendly months to consider for this route include January and June.

Only one airline offers direct flights from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial). United operates 14 direct flights from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) every week.

United is one of the cheapest airlines offering nonstop return flights from Denver Intl. (DEN) to Friedman Memorial (SUN), with tickets starting from around £199 for flights that can be booked for departure within the next year. Delta offers one of the cheapest connecting return flights from Denver Intl. (DEN) to Friedman Memorial (SUN) with a layover in Seattle - Tacoma Intl. (SEA), starting from around £203. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly from Denver International Airport (DEN) to Friedman Memorial (SUN) is typically October or June. These months offer a great balance, with prices around £245 for a return flight. While September is a popular month for travel, October and June provide a good mix of reasonable fares and plenty of flight options. If you're flexible, these months give you both good value and excellent flight schedules to work with.

You'll find approximately 2 nonstop flights per day from Denver Intl. (DEN) to Friedman Memorial (SUN). For even more choices, look at flights that include layovers, as there are around 10 connecting flights per day. Some common connection points include Portland Intl. (PDX), San Diego Intl. (SAN), and Seattle - Tacoma Intl. (SEA).

The earliest flight from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) typically departs around 5:15 AM. This service is operated by Delta and is a seasonal offering, active in January and February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Denver Intl. (DEN) to Friedman Memorial (SUN) on a Friday, with around 19 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Alaska Airlines. Fridays offer notably more flight options compared to other days of the week, making it a popular choice for travellers.

The most popular departure times for flights from Denver Intl. (DEN) to Friedman Memorial (SUN) are between 9am and 12pm. Many major carriers, including United, Alaska Airlines and American Airlines, offer flights during this window. Many travellers prefer these morning flights as they allow you to arrive at your destination with plenty of time to settle in and start your day.

A non-stop flight from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) typically takes around 2 hours, covering a distance of approximately 896 kilometers. If you opt for a one-stop flight, your journey will usually be longer, taking about 6 hours 18 minutes. Flights with two or more stops will add even more travel time, typically around 8 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

Select the "Business class" and "First class" filters when looking for DEN to SUN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Sun Valley from Denver Intl. (DEN), you can fly directly into Friedman Memorial (SUN) which offers domestic flights and connections. Some flights may connect through major hubs like San Diego Intl. (SAN), Portland Intl. (PDX), or Seattle - Tacoma Intl. (SEA) before reaching Sun Valley. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Denver, CO (DEN-Denver Intl.) to Sun Valley, ID (SUN-Friedman Memorial) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.