Flights from Denver to Seattle
Compare live flights from Denver to Seattle (DEN–SEA) across multiple airlines, with nonstop options, durations and seasonal price trends below.
Denver to Seattle flights overview
Covering around 1,645 km between DEN and SEA, the quickest nonstop flight takes about 2 hours. Both full-service and low-cost carriers serve this corridor; BookingTrolley compares their published fares so you can weigh price against flight time and baggage.
Ticket prices from Denver to Seattle change frequently; BookingTrolley aggregates current fares across airlines so you can spot the lowest one. Based on this route's seasonal pattern, fares average roughly A$ 1,174.96 over the year. Nov tends to be the cheapest month to fly (around A$ 978.88), while Jun is usually the most expensive at about A$ 1,457.68 — a swing of roughly 49%.
Frequently asked questions about flying from Denver to Seattle
BookingTrolley tracks fares on Denver to Seattle (DEN–SEA). Australia travellers can compare live prices in USD before booking.
The flying time from Denver to Seattle is about 2 hours nonstop, covering roughly 1,645 km between DEN and SEA. BookingTrolley schedules show connecting itineraries take longer depending on layover length.
Multiple airlines serve DEN–SEA. BookingTrolley aggregates published fares so Australia researchers can compare options.
Mid-week travel and booking a few weeks ahead often help on international corridors like Denver to Seattle. BookingTrolley compares dates for Australia shoppers.
Find cheap flights on popular routes
Explore fares from Denver, into Seattle, and on related corridors with BookingTrolley.
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