$44 Cheap Flights from Seattle to Denver

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Find The Best Dates To Fly from Seattle - Tacoma Intl. to Denver Intl.

Amazing SEA to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $88 round trip and $44 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for SEA to DEN

CarrierFlightDepart SEAArrive DENThu
10/28
Fri
10/29
Sat
10/30
Sun
10/31
Mon
11/1
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UA168805:10 am08:50 amCheck FareCheck FareCheck Fare
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AS68206:41 am10:23 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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DL391007:20 am11:13 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA144808:30 am00:20 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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AS64210:11 am01:50 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA163011:00 am02:38 pmCheck FareCheck FareCheck Fare
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DL355111:58 am03:46 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA170301:23 pm05:05 pmCheck FareCheck FareCheck Fare
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AS147401:38 pm05:20 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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DL369503:21 pm07:05 pmCheck FareCheck FareCheck Fare
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UA249504:19 pm08:04 pmCheck FareCheck FareCheck FareCheck FareCheck Fare
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AS115107:32 pm11:10 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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DL206507:50 pm11:25 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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F942200:49 am04:23 am
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UA119005:00 am08:36 am
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UA199800:45 pm04:23 pm
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FAQs about flights from Seattle - Tacoma Intl. Airport (SEA) to Denver Intl. Airport (DEN)

Can I catch a flight from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Denver, CO Airport (DEN-Denver Intl.) right now?

It's always prudent to learn about any quarantine requirements and travel advice reports in place in your destination city. Ensure you go to the Covid-19 Travel Advisor for up-to-date info on flying to Denver, CO Airport (DEN-Denver Intl.).

Are there direct flights from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to DEN?

Multiple airlines offer passengers nonstop flights from Sea-Tac Airport to Denver, CO Airport (DEN-Denver Intl.). These include Alaska Airlines and United Airlines — start with these if you want to arrive at your destination with no fuss.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Denver Airport, please visit our Customer Service Portal.

How long is the flight from Sea-Tac Airport to Denver Airport?

Getting from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Denver, CO Airport (DEN-Denver Intl.) shouldn't be too laborious, with flights taking a mere 2 hours and 41 minutes on average. With such a short journey ahead of you, you'll touch down feeling as fresh as when you boarded and ready to enjoy the next part of your trip.

What is the flight distance from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Denver, CO Airport (DEN-Denver Intl.)?

Between Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) and Denver Airport, the flight distance is approximately 1,025 mi. So, fasten your seat belt and get comfortable. You've got some important decisions to make — watch a new series, get stuck into your book or get some beauty sleep?

What airlines fly from SEA to DIA airport?

If you're eager to fly direct from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to DIA airport, you won't have a problem finding a fare. Below are the best airlines that service this route:

  • Alaska Airlines - (AS) with 128 flights every month
  • United Airlines - (UA) with 121 flights every month
  • Delta - (DL) with 158 flights every month
  • Frontier Airlines - (F9) with 26 flights every month
What airlines have practices regarding COVID-19 in place and use social distancing?

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with United Airlines, Southwest Airlines or Frontier Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Seattle - Tacoma Intl. to Denver Intl. Flight FAQ

Traveling From Seattle - Tacoma Intl.
Traveling To Denver Intl.
Shortest Flight Time 4 hours 35 mins
Earliest Departure Time 5:00AM MDT
Latest Departure Time 7:50PM MDT
Lowest Flight Price $88

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Denver International Airport

Distance:
1,028.00 miles

Airlines & Aircraft Used on SEA to DEN Flight Routes

Airline Carrier
Aircraft
Alaska Airlines
Canadair Regional Jet 700
Jet Airways (India)
Boeing 737-900 pax

Discover our best flights from Seattle SEA to Denver DEN. 

With 19 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Denver DEN at the right price  

Airfares to Denver DEN from Seattle SEA currently cost between $88 and $111. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Denver DEN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Denver DEN on Travelocity starting at $44. Prices and availability subject to change. Additional terms may apply. 

 

Get to Denver DEN from Seattle SEA quicker with direct flights. 

Get to Denver faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to DEN from SEA to take around 4 hour(s) 35 min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Denver DEN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to DEN from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Denver DEN today 

If you’re flexible about when you travel, December is usually the cheapest month to fly from Seattle SEA to Denver DEN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Denver DEN from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to DEN from SEA have this option.  

 

Travel with confidence when you book flights to Denver DEN from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.