
Popular airlines from Denver International Airport (DEN) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- United
United
- Delta
Delta
- American Airlines
American Airlines
- Southwest Airlines
Southwest Airlines
- Hawaiian Airlines
Hawaiian Airlines
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Cheap Flights from Denver (DEN) to Seattle (SEA)
Prices were available within the past 7 days and start at ฿1,755 for one-way flights and ฿3,540 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿3,540 Return, found 12 hours ago
฿3,540
Return
found 12 hours ago

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿4,350 Return, found 12 hours ago
฿4,350
Return
found 12 hours ago

Fri, 16 Jan - Fri, 23 Jan
DEN
Denver
SEA
Seattle
฿4,485 Return, found 1 day ago
฿4,485
Return
found 1 day ago

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿4,550 Return, found 12 hours ago
฿4,550
Return
found 12 hours ago

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿4,850 Return, found 12 hours ago
฿4,850
Return
found 12 hours ago

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿5,325 Return, found 12 hours ago
฿5,325
Return
found 12 hours ago

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿5,335 Return, found 12 hours ago
฿5,335
Return
found 12 hours ago

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿5,505 Return, found 12 hours ago
฿5,505
Return
found 12 hours ago

Fri, 31 Oct - Sat, 8 Nov
DEN
Denver
SEA
Seattle
฿5,660 Return, found 12 hours ago
฿5,660
Return
found 12 hours ago

Fri, 16 Jan - Fri, 23 Jan
DEN
Denver
SEA
Seattle
฿10,865 Return, found 1 day ago
฿10,865
Return
found 1 day ago
Find the cheapest month to fly from Denver (DEN) to Seattle (SEA)
January is typically the cheapest month to fly
From ฿2,108 - ฿7,043 per traveller.
Frequently asked questions
Travel information
Travel information
Origin airport | Denver Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | ฿3,540 |
Distance | 1635 km |
Average flight time | 1 hour 57 mins |
Book with confidence
Book with confidence
Perfect flights from Denver to Seattle
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Denver to Seattle. 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 Seattle, 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 Denver Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿1,755 and roundtrip prices from ฿3,540. 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 Seattle - Tacoma Intl. and explore Seattle 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 DEN to SEA travel arrangements today and embark on the journey of a lifetime in Seattle.
Explore a world of travel with Expedia
Explore a world of travel with Expedia
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