$102 Cheap Flights from Seattle Paine Field Intl. Airport (PAE) to Denver (DEN)

View $102 flight on Fri, Jul 18, 2025Opens in a new window
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Cheap Flights from Seattle Paine Field Intl. Airport to Denver (PAE-DEN)

Prices were available within the past 7 days and start at $102 for one-way flights and $204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Jul 25 - Mon, Jul 28
PAE
Seattle
DEN
Denver
$204 Roundtrip, just found
$204
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle to Denver, returning Mon, Jul 28, priced at $204 just found
Frontier Airlines
Mon, Jul 7 - Mon, Jul 14
PAE
Seattle
DEN
Denver
$218 Roundtrip, found 7 hours ago
$218
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Jul 7 from Seattle to Denver, returning Mon, Jul 14, priced at $218 found 7 hours ago
Frontier Airlines
Mon, Jul 21 - Fri, Jul 25
PAE
Seattle
DEN
Denver
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Seattle to Denver, returning Fri, Jul 25, priced at $230 found 1 day ago
Alaska Airlines
Tue, Jun 3 - Fri, Jun 6
PAE
Seattle
DEN
Denver
$254 Roundtrip, found 12 hours ago
$254
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Tue, Jun 3 from Seattle to Denver, returning Fri, Jun 6, priced at $254 found 12 hours ago
Frontier Airlines
Mon, Jul 7 - Mon, Jul 14
PAE
Seattle
DEN
Denver
$259 Roundtrip, found 7 hours ago
$259
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Jul 7 from Seattle to Denver, returning Mon, Jul 14, priced at $259 found 7 hours ago
Frontier Airlines
Mon, Jun 2 - Wed, Jun 4
PAE
Seattle
DEN
Denver
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Seattle to Denver, returning Wed, Jun 4, priced at $274 found 3 days ago
Alaska Airlines
Tue, Jun 3 - Fri, Jun 6
PAE
Seattle
DEN
Denver
$274 Roundtrip, found 12 hours ago
$274
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Tue, Jun 3 from Seattle to Denver, returning Fri, Jun 6, priced at $274 found 12 hours ago
Frontier Airlines
Fri, Jul 25 - Mon, Jul 28
PAE
Seattle
DEN
Denver
$279 Roundtrip, just found
$279
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle to Denver, returning Mon, Jul 28, priced at $279 just found
Alaska Airlines
Tue, Jun 3 - Fri, Jun 6
PAE
Seattle
DEN
Denver
$280 Roundtrip, found 12 hours ago
$280
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Tue, Jun 3 from Seattle to Denver, returning Fri, Jun 6, priced at $280 found 12 hours ago
American Airlines
Sun, May 25 - Mon, Jun 2
PAE
Seattle
DEN
Denver
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, May 25 from Seattle to Denver, returning Mon, Jun 2, priced at $326 found 3 days ago
Flights from Seattle Paine Field Intl. Airport (PAE) to Denver (DEN)
Origin airport
Seattle Paine Field Intl. Airport
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Frontier Airlines
Roundtrip price
$204
Distance
1034 mi

Seattle Paine Field Intl. Airport to Denver Flights

The cheapest times to fly from Seattle Paine Field Intl. Airport 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 Seattle Paine Field Intl. Airport to Denver are during the month of July. You can find some of the cheapest flights from Seattle Paine Field Intl. Airport to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle Paine Field Intl. Airport to Denver

Sunday is one of the best days to book for cheap flights from Seattle Paine Field Intl. Airport 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 Seattle Paine Field Intl. Airport 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 Seattle Paine Field Intl. Airport to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $102 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 Seattle Paine Field Intl. Airport 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 Seattle Paine Field Intl. Airport 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 Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN) cost?
Discover the latest flight deals from PAE to DEN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PAE to DEN?
The cheapest flights from PAE 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 Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN)?
There are no direct flights from Seattle Paine Field Intl. Airport (PAE) to Denver Intl. Airport (DEN). However, you’ll find other airports offering nonstop flights. Begin your journey at Seattle - Tacoma Intl. Airport (SEA) and head straight to Denver without a layover.
What is the cheapest airline that flies from PAE to DEN?
With prices as low as $102 for a one-way flight from PAE to DEN, Frontier Airlines is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PAE on July 18 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN)?
Nonstop flights from Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your dates and select either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from PAE to DEN?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from PAE to DEN?
With 88% of journeys typically arriving on time, United Airlines has the best on-time performance for direct flights from Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN). To keep track of your flight status and receive notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN)?
To land at Denver Intl. Airport (DEN) on time, choose a flight that leaves from Snohomish County - Paine Field Airport (PAE) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN) last-minute?
Booking your plane ticket from PAE to DEN just before your trip is typically more expensive. But if you’re flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a PAE to DEN flight and hotel package?
Booking a PAE to DEN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Snohomish County - Paine Field Airport (PAE) to Denver Intl. Airport (DEN)?
If you booked your PAE to DEN flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.