$86 Cheap Flights from Spokane (GEG) to Denver (DEN)

Popular airlines from Spokane International Airport (GEG) to Denver Intl. Airport (DEN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Spokane to Denver (GEG-DEN)

Prices were available within the past 7 days and start at $86 for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Alaska Airlines
Delta
Southwest Airlines
Hawaiian Airlines

Find the cheapest month to fly from Spokane (GEG) to Denver (DEN)

June is typically the cheapest month to fly

From $126 - $351 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Spokane (GEG) to Denver (DEN)
Origin airport
Spokane Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$144
Distance
835 mi
Average flight time
3 hours 14 mins

Spokane to Denver Flights

The cheapest times to fly from Spokane to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Spokane to Denver are during the month of August. You can find some of the cheapest flights from Spokane to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Spokane to Denver

Sunday is one of the best days to book for cheap flights from Spokane to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Spokane to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Spokane to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $86 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Spokane to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Spokane to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN) cost?
Cheap round-trip flights from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN) start at $108. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving GEG on August 5 2025 and touching down at DEN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from GEG to DEN?
The cheapest flights from GEG to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN)?
Take a nonstop flight with United Airlines and fly straight from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN).
What is the cheapest airline that flies from GEG to DEN?
Journey from GEG to DEN with Frontier Airlines. This airline currently has the cheapest one-way fare on this route, starting at $64. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GEG on August 5 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN)?
When taking off from Spokane Intl. Airport (GEG), you can pick from an average of 4 daily direct flights to Denver Intl. Airport (DEN).
What are the most popular departure times for flights from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN)?
The 1 PM departures from GEG to DEN are typically the busiest. These flights can come with a higher price due to their popularity. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from GEG to DEN?
Travel on a Friday if you're after the best selection of flights from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN).
What is the earliest flight from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN)?
The first flight of the day taking off from Spokane Intl. Airport (GEG) is at around 5:00AM UTC-8. Hop on this flight and you'll touch down at Denver Intl. Airport (DEN) at approximately 8:30AM UTC-7. The overall travel time is 2h 30m.
How long does it take to fly from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN)?
It takes approximately 2 hours and 25 minutes to travel the 840 mi from GEG to DEN.
What airline has the least delays from GEG to DEN?
Consider traveling with Frontier Airlines if you'd like to fly straight from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN) without any holdups. This carrier has the strongest track record for punctuality, with an on-time performance of 100%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN)?
Opt for a flight from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from Spokane Intl. Airport (GEG)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from Spokane Intl. Airport (GEG). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN) last-minute?
Waiting until just before your departure to book your flight from GEG to DEN generally means paying more. While you may find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book a GEG to DEN flight and hotel package?
Compared with arranging flights and hotels separately, booking a GEG to DEN flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Spokane Intl. Airport (GEG) to Denver Intl. Airport (DEN)?
Usually, it's possible to cancel or reschedule your GEG to DEN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.