Cheap flights from Seattle to Colorado from $73
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Colorado departing on 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Colorado
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Colorado?
The month of October is, on average, the cheapest month to fly to Colorado from Seattle, with most prices found around $161. The month of September is another great option to travel to Colorado, with average flight prices from Seattle averaging around $165.
What is the cheapest day to depart on your flight to Colorado?
The cheapest day to depart from Seattle to Colorado is on a Saturday when prices can be found for as low as $268. On the other hand, Monday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $335.
What is the cheapest time of day to depart on your flight to Colorado?
The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $210. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $332 per ticket.
What is the cheapest Seattle/Tacoma Intl to Colorado flight route?
Fly from Seattle/Tacoma Intl to Denver Intl for the best Seattle/Tacoma Intl - Colorado flight prices
How far in advance should I book a flight to Colorado?
You are more likely to see cheaper flights to Colorado from Seattle when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $205 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Seattle for as low as $168 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Colorado flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Colorado?
Hawaiian Airlines, United Airlines, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Colorado
What airlines fly to Colorado?
Frontier, United Airlines and Delta are the top three most popular airlines that fly to Colorado from Seattle according to our data. Frontier is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Colorado on average per day?
48 flights are operational daily from Seattle to Colorado as of June 2025. The most popular departure time for this route is 5:00PM, with 42% of flights per day taking off in the afternoon.
How many flights depart from Seattle to Colorado on average per week?
The number of flights available between Seattle and Colorado is 340 per week as of June 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.
Cheap Seattle to Colorado flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Colorado
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Colorado?
Prices for flights from Seattle/Tacoma Intl Airport to Colorado refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Colorado?
There are 7 operators available for flights from Seattle/Tacoma Intl Airport to Colorado as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Colorado?
Based on momondo bookings for flights between Seattle and Colorado, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 16.77% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 12.19%, Boeing 737 MAX 8 with 11.09%, and Boeing 737 MAX 9 with 10.39%.
Best airlines flying from Seattle to Colorado
Compare and see reviews for airlines that fly from Seattle to Colorado with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $57 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 7.8 2,501 reviews | |||
| PriceFrom $108 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $121 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $161 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Colorado?
Finding the right flight to Colorado from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado quick and easy, saving you time and money.
Can I find flights from Seattle to Colorado with flexible booking policies on momondo?
Yes. All flights to Colorado from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to Colorado?
Once all potential Seattle to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Colorado right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Colorado from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.