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Travel time from Seattle to Denver



Seattle to Denver airports and flights

How long does it really take to fly from Seattle to Denver? Here's a sample itinerary for a commercial flight plan. If you want to know the total travel time to reach Denver, you need to include time at the airports. Eventually, you'll be able to customize this itinerary to select other nearby airports and choose your preferred airline.


Thursday, 7:17 am:  start in Seattle
drive for about 33 minutes
most airlines recommend you get to the airport at least 90 minutes before your flight, so arrive by 8:45 am at the latest

7:50 am:  Seattle/Tacoma International (SEA)
if you need to check luggage, make sure you do it at least 30-60 minutes before departure, or in this case, by 9:15 am

8:20 am:  get your boarding pass and go through TSA security
allow enough time for long security lines during busy travel seasons or holidays, and prepare for the wait time

9:20 am:  arrive at the gate
once you're ready to board, you can get something to eat in the airport or just relax near the gate

9:50 am:  prepare for boarding
check your boarding pass for your group number or listen to the gate agent as they announce boarding, some airlines require you to be in the boarding area 10-15 minutes before departure or risk losing your seat

10:05 am:  board Alaska Airlines Inc. flight
you can scroll down to view other airlines that fly this route

10:15 am:  this is your scheduled departure time
but this flight is usually delayed by an average of 4 minutes

10:19 am:  so this is your actual departure time
it takes the plane an average of 20 minutes to taxi to the runway

10:39 am:  wheels up! take-off from SEA
fly for about 2 hours in the air

1:45 pm (local time):  Denver International (DEN)
Denver is 1 hour ahead of Seattle
so the time in Seattle is actually 12:45 pm
taxi on the runway for an average of 8 minutes to the gate

1:53 pm (local time):  arrive at the gate at DEN
deboard the plane, and claim any baggage
if you're renting a car, check if you need to take a shuttle to car rental agency, otherwise you can ride in a cab, limo, or Uber for about 55 minutes to your destination

2:47 pm (local time):  arrive in Denver

Total travel time: 7 hours




Flying non-stop from Seattle to Denver

How far is Denver from Seattle? Here's the quick answer if you have a private jet and you can fly in the fastest possible straight line.

Flight distance: 1,021 miles or 1644 km

Flight time: 2 hours, 9 minutes

Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 6 hours, 30 minutes.

Flying private is roughly 3.3x faster, and saves you about 4.5 hours in your total travel time.

Because of the curvature of the Earth, the shortest distance is actually the "great circle" distance, or "as the crow flies" which is calculated using an iterative Vincenty formula. For a long distance, this appears as a curve on the map, and this is often the route that commercial airlines will take so it's a good estimate of the frequent flyer miles you'll accumulate as well.

This is a medium length flight, so unless you have a nice private jet, you might be booking a commercial flight. In that case, your travel time would really need to include how many minutes to get to your local airport, wait for security, board and taxi on the runway, land at the other airport, and get to your destination. The flight itinerary at the top of the page takes into account all these factors to get a more accurate estimate of your actual flight time.



Best day of the week to fly to Denver

Looking at flights on Alaska Airlines Inc. from SEA to DEN, here's a breakdown of the number of flights available each day:

  • Sunday
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • Saturday

Based on these statistical results, we chose Thursday for the flight itinerary above.




Airlines that fly to Denver

We picked Alaska Airlines Inc. for your main flight, but there are other airlines that you should check if you're looking for the cheapest flight, or you need a different schedule. Check the websites of these airlines:

  1. Alaska Airlines Inc. (AS)
  2. United Air Lines Inc. (UA)
  3. Southwest Airlines Co. (WN)
  4. SkyWest Airlines Inc. (OO)
  5. Frontier Airlines Inc. (F9)
  6. Delta Air Lines Inc. (DL)




Plan a trip to Denver

Trippy has a ton of information that can help you plan your trip to Denver, Colorado. Start by reading the Trippy page on where to stay in Denver. If you're looking for a place to stay, you might want to check out The Brown Palace Hotel & Spa in Denver. A great place to eat might be Euclid Hall Bar & Kitchen. Trippy members can suggest things to do in Denver like Denver Museum of Nature and Science. Check out some of the questions people have asked about Denver like Short, scenic drives from Denver? . Click the button below to explore Denver in detail.






What about the return flight?

The distance is the same either way if you're flying a straight line. But for a real trip, there can be plenty of differences so go ahead and check the reverse flight itinerary to fly from Denver to Seattle, or go to the main page to calculate other flight times.

You can also compare the travel time if you were to drive instead. Get the full itinerary for a Denver to Seattle road trip. Or if you're more interested in the distance, How far is it from Denver to Seattle?

If you happen to know Seattle, don't forget to help other travelers and answer some questions about Seattle!






Return to top of page
At a Glance
without making any stops
flight distance is 1,021 miles
flight time of 2 hours, 9 minutes
Denver is 1 hour ahead of Seattle
239 Seattle travel answers
143 Denver travel answers

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Denver Airports
  1. Denver International Airport



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