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DEN (Denver) to SEA (Seattle) Flights $136.4

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Cheap DEN to SEA Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Denver to Seattle (DEN to SEA)

Question : Which airline is offering the cheapest flight from DEN to SEA?
Answer : Frontier Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $136, while prices for other flights are as high as $777.

Question : How many days should you spend in Seattle?
Answer : Over the next two months, travelers from DEN to SEA are planning on staying for about one week on average.

Question : What is the cheapest day to fly in the next four weeks?
Answer : Aug 16th has seen bookings (as of Jul 17th) as cheap as $141. That comes in 48% below the average price for this route. Saving on flight costs means you'll have more money in your pocket for the trip.

Question : Best case scenario, how quickly can someone get from DEN to SEA?
Answer : If you're able to take the fastest direct flight (which is offered by Alaska Airlines), you will be able to leave DEN at 2:45 PM MDT and get to SEA at 4:37 PM PDT (two hours and 52 minutes). Remember, there is a one-hour time difference.

Question : Is price more important than specific travel days for you?
Answer : Sunday is your lowest-cost day to fly in August. Being flexible with your travel days garners even more savings during booking.

Question : How much should a trip from Denver (DEN) to Seattle (SEA) cost?
Answer : Ranging from $136 to $777, prices for DEN to SEA do change more than the majority of routes in the United States. However, the sooner you book, the better price you tend to get.

Question : If having the most departure times is important to you, is there a particular day of the week that offers the most options?
Answer : The day with the most departure times for this route is Sunday with 22 options. However, with 17 flight times, Saturday doesn't offer quite as many options when finding that perfect departure time.