How long is the flight?

The flight takes about 3 hours.

Is it better to fly or drive?

Flying is much faster and often cheaper.

What is the best time to visit?

Summer is the best time to visit Seattle.

Are there direct flights?

Yes, there are many direct flights from DEN to SEA.

Yes, major tourist areas in Seattle are generally safe.

Centennial

Seattle

Flight Driving

Centennial to Seattle

Updated: 31 May 2026

The journey from Centennial to Seattle is approximately 2,100 kilometers. You can fly from Denver International Airport (DEN) to Seattle-Tacoma International (SEA) in about 3 hours. Alternatively, you can drive via I-80 and I-84, which takes about 20 hours. Seattle is world-famous for its coffee culture, the Space Needle, and its beautiful natural surroundings.

Total Distance: Driving distance 2,100 km, straight-line air distance 1,650 km.

Fastest Way

Flying is significantly faster than driving.

Cheapest Way

Flying is often cheaper than driving when considering fuel and overnight stays.

Compare Centennial to Seattle Routes

	Flight Direct	Driving Direct
Duration	3 hours	20 hours
Avg Price	$150-$350	$250-$350 in fuel
Operator	Alaska Airlines	Personal Vehicle
Route	DEN to SEA	I-80 W to I-84 W
Tip	Flying is the most efficient way to travel between these two cities.	The drive is long but offers beautiful mountain and forest scenery.

Travel Tips

Airport Parking
Use long-term parking at DEN to save on daily rates.
Traffic
Traffic in Seattle can be heavy; plan your travel accordingly.
Navigation
A GPS is essential for navigating the city.
Dining
Seattle has a world-class culinary scene with many options.
Weather
Be prepared for rain, even in the summer.

Safety Tips

Traffic Safety
Stay alert for aggressive drivers on the freeways.
Public Transit Safety
Stay aware of your surroundings when using public transit.
Emergency Kit
Keep a basic emergency kit in your car if driving.
Communication
Keep your phone charged and have a backup power bank.