Cheap Flights from Spokane International to Denver International

Compare Spokane International to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Spokane International to Denver International

Looking for a cheap last-minute deal or the best return flight from Spokane International to Denver International? Find the lowest prices on one-way and return tickets right here.

Denver.$255 per passenger.Departing Thu, 19 Mar, returning Sun, 22 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Spokane International on Thu, 19 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sun, 22 Mar, arriving in Spokane International.Price includes taxes and charges.From $255, select.

Denver.$306 per passenger.Departing Thu, 19 Mar, returning Sun, 5 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Spokane International on Thu, 19 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sun, 5 Apr, arriving in Spokane International.Price includes taxes and charges.From $306, select.

Denver.$346 per passenger.Departing Thu, 9 Apr, returning Sun, 12 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Spokane International on Thu, 9 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sun, 12 Apr, arriving in Spokane International.Price includes taxes and charges.From $346, select.

Denver.$381 per passenger.Departing Thu, 14 May, returning Thu, 21 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Spokane International on Thu, 14 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 21 May, arriving in Spokane International.Price includes taxes and charges.From $381, select.

Denver.$423 per passenger.Departing Thu, 19 Feb, returning Sun, 22 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Spokane International on Thu, 19 Feb, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Sun, 22 Feb, arriving in Spokane International.Price includes taxes and charges.From $423, select.

Denver.$559 per passenger.Departing Wed, 10 Jun, returning Wed, 17 Jun.Return flight with United.Outbound direct flight with United departs from Spokane International on Wed, 10 Jun, arriving in Denver International.Inbound direct flight with United departs from Denver International on Wed, 17 Jun, arriving in Spokane International.Price includes taxes and charges.From $559, select.

Denver.$578 per passenger.Departing Fri, 27 Feb, returning Sun, 1 Mar.Return flight with Alaska Airlines and Frontier Airlines.Outbound indirect flight with Alaska Airlines, departs from Spokane International on Fri, 27 Feb, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Sun, 1 Mar, arriving in Spokane International.Price includes taxes and charges.From $578, select.

Denver.$611 per passenger.Departing Thu, 29 Oct, returning Fri, 30 Oct.Return flight with United.Outbound direct flight with United departs from Spokane International on Thu, 29 Oct, arriving in Denver International.Inbound direct flight with United departs from Denver International on Fri, 30 Oct, arriving in Spokane International.Price includes taxes and charges.From $611, select.

Find the cheapest month to fly from Spokane International to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Spokane International to Denver International flights are currently cheapest in March.

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Direct flights from Spokane International to Denver International

Spokane International to Denver International: Alternative routes

Compare routes from Spokane International to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Spokane to Denver: Flight information

The things to know before you go.

Cheapest flight found	$255
Cheapest month to fly	March
Average flight time	2 hrs, 20 mins
Most popular airline	Southwest Airlines
Average flights per week	86

Check out these Denver International hotels

Ready to plan your stay? Other travellers rate these Denver International hotels for cleanliness, service and location.

The Westin Denver International Airport

1.64 km from Denver International

$585

Per night

The Westin Denver International Airport

1.64 km from Denver International

$585

Per night

Explore top-rated hotels

Finding cheap flights from Spokane International to Denver International: Frequently asked questions

How much are return flights from Spokane International to Denver International?

The best price we found for a return flight from Spokane International to Denver International is $255. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Spokane International to Denver International?

2 hours and 20 minutes is the average flight time from Spokane International to Denver International.

Which airlines fly direct from Spokane International to Denver International?

Southwest Airlines, United and Copa fly direct from Spokane International to Denver International.

How many flights are there a week from Spokane International to Denver International?

As of February 2026, there are 86 flights per week flying from Spokane International to Denver International.

When is the cheapest time to fly from Spokane International to Denver International?

The cheapest month to fly from Spokane International to Denver International is usually March.

Which upcoming date is cheapest to fly from Spokane International Airport to Denver International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Spokane International Airport to Denver International Airport on Thursday, 19 March 2026.

Can I get a direct flight from Spokane International Airport to Denver International Airport?

Yes – the average flight time is 2 hours and 20 minutes.

How can I find the best flight deal to Denver International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Denver?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Spokane International Airport to Denver International with?

Currently, Frontier Airlines offers the cheapest flight tickets to Denver International.

Flying from Spokane International Airport (GEG) to Denver International Airport (DEN): what you need to know

The average length of a direct flight from Spokane International Airport to Denver International Airport is 2 hours 20 minutes.
Denver's timezone is UTC-6, which makes Denver one hour ahead of Spokane.
You can choose from 43 weekly Spokane International Airport to Denver International Airport flights. The 05:00 departure with United Airlines is the earliest you can take. United Airlines operates the latest service of the day at 18:30.
Arrive at the airport on time so you don't miss your GEG to DEN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
Flying during a peak month such as August? Public holidays and other popular seasons can result in longer queues and delays at check-in and security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.
United Airlines has direct flights from Spokane International Airport to Denver International Airport. Book with this popular carrier, then get ready to discover the sights in Denver — and maybe even more of United States if you have time.
United Airlines tops the list for bookings on this route.
United Airlines is the most punctual carrier operating GEG to DEN flights. An impressive 93.06% of its departures on this route land on time.
Consider adding a stopover when booking your ticket from Spokane International Airport to Denver International Airport. Simply deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between GEG and DEN:
- Salt Lake City International Airport
- Seattle-Tacoma International Airport
- Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from Spokane International Airport (GEG) to Denver International Airport (DEN)

At the moment, $148 is the cheapest price we've seen for a one-way Spokane International Airport to Denver International Airport flight. The best price for a return ticket is $255. Keep in mind that fares can change due to availability when booking.
To score cheap tickets from GEG to DEN, reserve your journey six months before your planned departure.
The cheapest month for flights from Spokane International Airport to Denver International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.
Save time looking for cheap flights from GEG to DEN by creating a Price Alert. You'll receive an email or notification through the app when fares go down.
Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Spokane International Airport to Denver International Airport.

Handy information about Spokane International Airport (GEG)

GEG's address is 9000 West Airport Drive.
Spokane International Airport maintains a solid on-time record, reducing the likelihood of delays. Departures from GEG land at their destination as scheduled 83.11% of the time.
To reach Spokane International Airport from central Spokane, it'll take around 15 minutes if you're going by car. Of course, this depends on traffic. It's approximately 10 kilometres from the airport to the city centre.
Planning to take public transport? Expect a journey time of around 1 hour 5 minutes.
Get your travels off to a hassle-free start by staying near GEG. Whether you're taking an early flight from Spokane International Airport to Denver International Airport or just don't want to be rushed, these hotels are the answer:

Arriving at Denver International Airport (DEN)

Hop off your Spokane International Airport to Denver International Airport flight and be relaxing in your hotel bed shortly after. If you're searching for a convenient option within easy reach of DEN, head for Baymont by Wyndham Denver International Airport.
Travel at your own speed with a Denver International Airport rental car. Pick up your wheels from Routes Car Rentals, Dollar or Budget and see more of Denver and beyond.
Lock in the lowest price by booking your ride from Denver International Airport about one week in advance of your trip.

Getting from Denver International Airport (DEN) to central Denver

You'll find DEN at 8500 Pena Boulevard.
Denver International Airport is roughly 40 kilometres from central Denver. The drive time takes about 35 minutes.
It takes around 1 hour 30 minutes if you're travelling by public transport.

When to fly to Denver International Airport (DEN)

July is the busiest month for flights from Spokane International Airport to Denver International Airport. To escape the crowds, travel to Denver in April.
The warmest month in Denver is July, with the temperature ranging between 14ºC and 32ºC. Lock in your flights from Spokane International Airport to Denver International Airport in this month if this is the kind of weather you like.
January sees average temperatures of between -9ºC and 7ºC. Search for cheap tickets from GEG to DEN sometime around then if you'd rather travel in cooler conditions.

Explore more of United States

Denver has plenty to offer, but there are so many other corners of United States you should also see. Around 105 kilometres south of Denver, a visit to Colorado Springs will keep your itinerary packed. Don't miss top attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).
Aurora is another sought-after destination in United States and is around 13 kilometres east of Denver. No journey is complete without visiting Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.