Travelling from Seattle to Denver International Airport (DEN): What you need to know
Start your trip at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Look for flights from Seattle to Denver International Airport (DEN) that take off from this base.
The average duration of a direct Seattle to Denver International Airport flight is 2 hours 45 minutes.
Denver is one hour ahead of Seattle. Denver International Airport is located in Denver, which runs on the UTC-6 timezone.
Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN) is the most popular route. There are 114 direct flights a week to pick from. If you prefer to head out later, take the last flight with Southwest Airlines at 9pm. Opt for the first SEA to DEN departure operated by United Airlines at 5am if you want to get going earlier.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to board your flight from Seattle to DEN.
During high season, allow for longer queues and be there earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.
Airports in Seattle
Seattle-Tacoma International Airport (SEA)
Reach your destination without the detour from Seattle-Tacoma International Airport (SEA). Direct flights from Seattle to Denver International Airport (DEN) can be booked from here.
These are some of the top carriers offering direct flights from Seattle to Denver International Airport jetting out of SEA:
The airline with the highest booking numbers between SEA and DEN is United Airlines.
The carrier with the top on-time arrival performance on this route is United Airlines.
SEA is around 23 kilometres from central Seattle. If you're ride-sharing, driving or catching a cab from the centre, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be around 55 minutes.
Booked an early flight from Seattle to Denver International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to Seattle-Tacoma International Airport:
81.27% of flights leaving Seattle-Tacoma International Airport land at their destination according to schedule. With its solid on-time performance, you're unlikely to be delayed when flying out of SEA.
Lake Union Sea Plane Base Airport (LKE)
You can get to LKE from the centre of Seattle in approximately 10 minutes by car, depending on traffic conditions. The ride on public transport takes roughly 25 minutes to travel the 3 kilometres or so.
Got a crack-of-dawn departure? You might like to check in to one of these accommodation options near Lake Union Sea Plane Base Airport the day before your Seattle to DEN flight:
About Denver International Airport (DEN)
Arriving on a late flight from Seattle to Denver International Airport? Don't let it hijack your sleep schedule. Stay a short drive from DEN at Baymont by Wyndham Denver International Airport.
Begin your adventure by picking up a Denver International Airport rental car. Grab a set of wheels from Routes Car Rentals, Dollar or Budget to explore Denver and beyond.
For the best deal, reserve your ride around one week ahead of your Seattle to Denver International Airport flight.
DEN is located at 8500 Pena Boulevard.
Getting from Denver International Airport (DEN) to central Denver
Central Denver is around 31 kilometres from Denver International Airport. Travel times by cab or car hire will vary depending on time of day, so do some research before your trip.
If you're taking public transport, expect a journey time of about 1 hour 30 minutes.
How to find the cheapest flights from Seattle to Denver International Airport (DEN)
Right now, 51 € is the lowest price we've found for a one-way ticket from Seattle to Denver International Airport. The cheapest price for a return flight is 102 €. Keep in mind fares can change due to demand at the time of booking.
Booking ahead of time is often the key to finding a cheap flight from Seattle to DEN. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.
The 'Whole month' tool shows you the cheapest Seattle to Denver International Airport tickets throughout the month. It's a good way to snap up a bargain if your trip dates aren't set in stone.
Snapping up a cheap plane ticket from Seattle to DEN couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know when a better deal is available.
Hunt for savings on a flight from Seattle to Denver International Airport with the help of the filters. Pick your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'
The best time to fly from Seattle to Denver International Airport (DEN)
It's time to figure out your travel dates for your flight from Seattle to Denver International Airport (DEN). July is the most popular month to visit Denver. If crowds aren't your thing, go in April.
The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your Seattle to DEN plane ticket then if you enjoy this type of weather.
Search for cheap tickets from Seattle to Denver International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF).
More about Denver
When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Denver right here. Browse these hotels once you've booked your flight from Seattle to Denver International Airport:
Denver Art Museum and Meow Wolf Denver | Convergence Station are just the start of the top-rated attractions to add to your Denver to-do list. Keep the momentum going by heading to Ballpark.
Explore more of the United States
Denver has plenty going for it, but there are so many other corners of the United States you'll want to see. About 113 kilometres south of Denver, a visit to Colorado Springs will keep you on the go. Start with leading sights like Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.
Pueblo is another standout destination in the United States and is around 177 kilometres south of Denver. No journey is complete without experiencing Cathedral of the Sacred Heart, Rosemount Museum and Minnequa Lake Park.
