Travelling from Denver International Airport (DEN) to Seattle / Tacoma International Airport (SEA): what you need to know
The average duration of a direct flight from Denver International Airport to Seattle / Tacoma International Airport is 3 hours 5 minutes.
Seattle is one hour behind Denver and follows the UTC-8 timezone.
Flights from DEN to SEA start at 06:00 — the first with Alaska Airlines. The last departure is at 22:50 with Southwest Airlines. Overall, you can take your pick of 110 weekly Denver International Airport to Seattle / Tacoma International Airport flights.
Your DEN to SEA flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
During popular months like July, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a peak period in general.
There are plenty of direct flights from Denver International Airport to Seattle / Tacoma International Airport to choose from. When planning your Seattle journey, these airlines can fly you nonstop to this exciting part of the United States:
The airline with the highest number of bookings on this route is United.
With a dependable 83.9% of services arriving as planned, United has the best on-time record for DEN to SEA flights.
If you want to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Denver International Airport to Seattle / Tacoma International Airport. These are the top stopovers between DEN and SEA:
Salt Lake City Airport
Portland Airport
Boise Airport
How to find the cheapest flights from Denver International Airport (DEN) to Seattle / Tacoma International Airport (SEA)
R 725 is the lowest price for a one-way Denver International Airport to Seattle / Tacoma International Airport flight. Return flights start at R 1,455. These fares can change depending on availability and demand.
Don't leave things to the last minute. You're more likely to find cheap tickets from DEN to SEA if you book early. Airlines often have some excellent early bird deals.
May is the cheapest month for flights from Denver International Airport to Seattle / Tacoma International Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.
Getting your hands on cheap flights from DEN to SEA couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.
Tailor your trip using filters. Pick your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Denver International Airport to Seattle / Tacoma International Airport.
Handy information about Denver International Airport (DEN)
DEN's address is 8500 Pena Boulevard.
Denver International Airport maintains a strong on-time record, reducing the likelihood of delays. Departures from DEN make it to their destination as scheduled 80% of the time.
Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, catching a taxi or ride-sharing.
The trip when using public transport will take about 35 minutes.
Want a hotel to stay in before your flight from Denver International Airport to Seattle / Tacoma International Airport? Consider Baymont by Wyndham Denver International Airport. Get a good night's sleep here before making your way to DEN.
Arriving at Seattle / Tacoma International Airport (SEA)
If you have a late Denver International Airport to Seattle / Tacoma International Airport flight, few things top the convenience of being close to the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near SEA:
Go wherever you want, whenever you want with a Seattle / Tacoma International Airport rental car. Pick up your wheels from Thrifty, Europcar or Budget and chase adventure across Seattle and beyond.
Get the best deal by reserving your vehicle from Seattle / Tacoma International Airport about one week in advance of your trip.
Getting from Seattle / Tacoma International Airport (SEA) to central Seattle
From Seattle / Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 25 minutes to reach the centre driving.
If you're using public transport, expect a journey of about 35 minutes.
When to fly to Seattle / Tacoma International Airport (SEA)
The quietest month for a flight from Denver International Airport to Seattle / Tacoma International Airport is March, while July is the busiest. Choose the best time to visit Seattle based on whether you prefer a bustling atmosphere or a more laid-back vibe.
The warmest month in Seattle is August, with the temperature ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your flights from Denver International Airport to Seattle / Tacoma International Airport in this month if you enjoy this type of weather.
Look for cheap tickets from DEN to SEA in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.
Explore more of the United States
You've visited Seattle, now it's time to discover other corners of the United States. Travel about 241 kilometres south to Portland to tick off its top attractions. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you'll have a full itinerary ahead.
Around 370 kilometres east of Seattle, Spokane is another essential stop in the United States. Experience this destination's highlights firsthand at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.
