¥10,760 Cheap Flights from Denver (DEN) to Seattle (SEA)

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Cheap Flights from Denver to Seattle (DEN-SEA)

Prices were available within the past 7 days and start at ¥10,760 for one-way flights and ¥21,410 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
Delta
United
United
Delta
United
Delta
Flights from Denver (DEN) to Seattle (SEA)
Origin airport
Denver Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
¥21,410
Distance
1635 km

Denver to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Denver to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with DEN to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Denver for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from DIA airport to Seattle - Tacoma Intl. Airport (SEA)?
If you’re traveling from Denver Intl. Airport (DEN) to Sea-Tac Airport, round-trip flights start from ¥21,410. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don’t hang around. Book today and save yourself both 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 DIA airport to SEA?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from DIA airport to Sea-Tac Airport 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 Denver Intl. Airport (DEN) to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Denver Intl. Airport (DEN) to Sea-Tac Airport?
It only takes roughly 2 hours and 58 minutes to fly from Denver Intl. Airport (DEN) to Sea-Tac Airport — perfect for a power nap. You’ll be starting your descent into SeaTac by the time you wake up.
How far is the flight from Denver Airport to Seattle - Tacoma Intl. Airport (SEA)?
The flying distance between DIA airport and Sea-Tac Airport is 1,650 kilometers. Sneak in a nap or read a good book and the trip will zip by.
Which airlines fly direct from Denver Intl. Airport (DEN) to Sea-Tac Airport?
Whether you need a return or one-way flight, you’ll have your pick of airlines that will fly you straight from Denver Airport to SEA. Here’s a list of the most popular ones:

  • United Airlines - (UA) with 191 monthly flights
  • Alaska Airlines - (AS) with 152 monthly flights
  • Delta Air Lines - (DL) with 91 monthly flights
  • Frontier Airlines - (F9) with 34 monthly flights

Are DIA airport to SEA flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so it’s no sure thing. While last-minute flight deals between Denver Airport and Sea-Tac Airport are possible, it’s also a good idea to monitor prices well before you fly. In fact, some carriers release their prices up to 12 months before the departure date. Expedia is constantly updating the biggest airfare bargains around, so check back often and be ready to book when fare prices drop.
*Available to Expedia members.