NZ$137 Cheap Flights Seattle to Denver (SEA-DEN)

View NZ$137 flight on Fri, 21 Nov 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN)

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Cheap Flights from Seattle (SEA) to Denver (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 21 Nov - Sat, 6 Dec
SEA
Seattle
DEN
Denver
NZ$272 Return, found 1 day ago
NZ$272
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 21 Nov from Seattle to Denver, returning Sat, 6 Dec, priced at NZ$272 found 1 day ago
Hawaiian Airlines
Tue, 21 Oct - Fri, 31 Oct
SEA
Seattle
DEN
Denver
NZ$289 Return, found 18 hours ago
NZ$289
Return
found 18 hours ago
Select Hawaiian Airlines flight, departing Tue, 21 Oct from Seattle to Denver, returning Fri, 31 Oct, priced at NZ$289 found 18 hours ago
Delta
Fri, 31 Oct - Sat, 15 Nov
SEA
Seattle
DEN
Denver
NZ$303 Return, found 1 day ago
NZ$303
Return
found 1 day ago
Select Delta flight, departing Fri, 31 Oct from Seattle to Denver, returning Sat, 15 Nov, priced at NZ$303 found 1 day ago
Hawaiian Airlines
Tue, 21 Oct - Sat, 25 Oct
SEA
Seattle
DEN
Denver
NZ$306 Return, found 18 hours ago
NZ$306
Return
found 18 hours ago
Select Hawaiian Airlines flight, departing Tue, 21 Oct from Seattle to Denver, returning Sat, 25 Oct, priced at NZ$306 found 18 hours ago
Delta
Fri, 24 Oct - Sat, 1 Nov
SEA
Seattle
DEN
Denver
NZ$320 Return, found 18 hours ago
NZ$320
Return
found 18 hours ago
Select Delta flight, departing Fri, 24 Oct from Seattle to Denver, returning Sat, 1 Nov, priced at NZ$320 found 18 hours ago
Hawaiian Airlines
Sun, 23 Nov - Sat, 6 Dec
SEA
Seattle
DEN
Denver
NZ$323 Return, found 1 day ago
NZ$323
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Sun, 23 Nov from Seattle to Denver, returning Sat, 6 Dec, priced at NZ$323 found 1 day ago
Hawaiian Airlines
Fri, 31 Oct - Mon, 17 Nov
SEA
Seattle
DEN
Denver
NZ$332 Return, found 1 day ago
NZ$332
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Fri, 31 Oct from Seattle to Denver, returning Mon, 17 Nov, priced at NZ$332 found 1 day ago
Hawaiian Airlines
Thu, 30 Oct - Sun, 16 Nov
SEA
Seattle
DEN
Denver
NZ$333 Return, found 1 day ago
NZ$333
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, 30 Oct from Seattle to Denver, returning Sun, 16 Nov, priced at NZ$333 found 1 day ago
Delta
Fri, 31 Oct - Sun, 16 Nov
SEA
Seattle
DEN
Denver
NZ$334 Return, found 1 day ago
NZ$334
Return
found 1 day ago
Select Delta flight, departing Fri, 31 Oct from Seattle to Denver, returning Sun, 16 Nov, priced at NZ$334 found 1 day ago
United
Sun, 30 Nov - Sat, 13 Dec
SEA
Seattle
DEN
Denver
NZ$582 Return, found 1 day ago
NZ$582
Return
found 1 day ago
Select United flight, departing Sun, 30 Nov from Seattle to Denver, returning Sat, 13 Dec, priced at NZ$582 found 1 day ago

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city centre is 32 minutes. Flights from NZ$375
DEN
Denver Intl.
Cheapest
Average driving time to city centre32 min
Flights from NZ$375

Frequently asked questions

How much is a flight from SEA to Denver Airport?
If you're travelling between SEA and Denver Intl. Airport (DEN), round-trip journeys start from NZ$272. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Denver Airport?
This can differ between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Sea-Tac Airport to Denver Intl. Airport (DEN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to Denver Intl. Airport (DEN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to DIA airport?
The flight distance from SeaTac to Denver is 1 650 kilometres. Bring along a snack, a drink and an interesting novel to read. Keep yourself entertained and the time will fly by.
Which airlines fly direct from SEA to Denver Intl. Airport (DEN)?
It's easy to fly directly from Sea-Tac Airport to Denver Airport. These are the top carriers that operate nonstop services on this route:

  • United Airlines - (UA) with 147 monthly flights
  • Southwest Airlines - (WN) with 130 monthly flights
  • Alaska Airlines - (AS) with 117 monthly flights
  • Delta Air Lines - (DL) with 91 monthly flights

Are SEA to DEN flight tickets cheaper when they're purchased at the last minute?
It is possible to get a great last-minute deal from SEA to Denver Intl. Airport (DEN), but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Return price
NZ$271
Distance
1635 km
Average flight time
3 hours 39 mins

Book with confidence

Book with confidence

Perfect flights from Seattle to Denver

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Denver. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Denver Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$137 and roundtrip prices from NZ$272. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Denver Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Denver.
Perfect flights from Seattle to Denver

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