Question 1

How long does it take to travel from Seattle to Denver?

Accepted Answer

A one-way nonstop (direct) flight between Seattle and Denver takes around 2.8 hours.

Question 2

What is the flight distance between Seattle and Denver?

Accepted Answer

The flight distance between Seattle and Denver is 1646 km.

Question 3

What airlines offer nonstop (direct) flights between Seattle and Denver?

Accepted Answer

Several carriers operate flights between Seattle and Denver. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines, Alaska Airlines.

Question 4

What are the most popular routes to and from Seattle?

Accepted Answer

Travelers frequently search for route combinations, such as Seattle and Las Vegas, Mexico City, Orlando, Atlanta, Austin, London, Houston, Paris, Barcelona, Rome, Los Angeles, Phoenix, Washington, D.C., Detroit, Madrid, Dublin, Minneapolis, Cleveland, Guadalajara, Salt Lake City.

Question 5

What are the most popular routes to and from Denver?

Accepted Answer

Travelers frequently search for route combinations, such as Denver and Chicago, Dallas, Minneapolis, Los Angeles, Washington, D.C., Houston, Orlando, San Francisco, Atlanta, Las Vegas, Austin, Phoenix, Philadelphia, San Diego, Miami, New York, Tampa, Detroit, Salt Lake City, Portland.

Question 6

Which airports are there in Seattle?

Accepted Answer

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Kenmore Air Harbor Seaplane Base, Boeing Field.

Question 7

What airports are near Seattle?

Accepted Answer

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Vancouver Harbour Flight Centre, Abbotsford International, Bellingham International, Paine Field Everett, Victoria Inner Harbour SPB, Yakima Air Terminal, Pangborn Memorial.

Question 8

What airports are near Denver?

Accepted Answer

The main airport in Denver is Denver International. It is also served by Colorado Springs, Pueblo Memorial, Cheyenne Regional, Eagle County Regional, Laramie Regional.

Question 9

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seattle and Denver?

Accepted Answer

Yes, it's possible to combine different modes of transport between Seattle and Denver thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Seattle and Denver can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Question 10

What is Virtual Interlining and how do I use it?

Accepted Answer

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Question 11

Which airlines fly between Seattle and Denver?

Accepted Answer

Currently, you can fly between Seattle and Denver with United Airlines, Alaska Airlines, Frontier Airlines.

Question 12

When's the best time to travel between Seattle and Denver?

Accepted Answer

If you don’t have specific dates for your trip between Seattle and Denver, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 13

What flights operate between Seattle and Denver?

Accepted Answer

Traveling between Seattle and Denver, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 14

How many airports are there near Seattle?

Accepted Answer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Vancouver Harbour Flight Centre, Abbotsford International, Bellingham International, Paine Field Everett, Victoria Inner Harbour SPB, Yakima Air Terminal, Pangborn Memorial

Question 15

How many airports are there near Denver?

Accepted Answer

There are a number of airports in and around Denver. The main one is Denver International and other nearby airports include Colorado Springs, Pueblo Memorial, Cheyenne Regional, Eagle County Regional, Laramie Regional.

Question 16

What time do nonstop (direct) flights between Seattle and Denver depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 17

What time do nonstop (direct) flights between Seattle and Denver arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Denver, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 18

What time do flights between Seattle and Denver depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 19

What time do flights between Seattle and Denver arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Denver, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	$54
Cheapest round-trip	$103
Average round-trip	$153
Nonstop flights in May	$54 – $470
Most popular airline	United Airlines

Airline	Sun 19.05	Mon 20.05	Tue 21.05	Wed 22.05	Thu 23.05	Fri 24.05	Sat 25.05
Alaska Airlines	---	---	---	---	1	---	---
United Airlines	---	---	---	---	---	1	1
Frontier Airlines	2	2	1	1	1	2	2

Airline	Sun 26.05	Mon 27.05	Tue 28.05	Wed 29.05	Thu 30.05	Fri 31.05	Sat 01.06
Alaska Airlines	---	---	---	---	5	5	5
United Airlines	---	2	2	2	7	6	3
Frontier Airlines	2	2	1	1	2	2	2

Airline	Sun 02.06	Mon 03.06	Tue 04.06	Wed 05.06	Thu 06.06	Fri 07.06	Sat 08.06
Alaska Airlines	3	5	5	5	3	4	4
United Airlines	2	5	7	7	7	2	1
Frontier Airlines	2	2	1	2	2	2	2

Airline	Sun 09.06	Mon 10.06	Tue 11.06	Wed 12.06	Thu 13.06	Fri 14.06	Sat 15.06
Alaska Airlines	1	2	5	2	1	2	5
United Airlines	1	1	5	7	1	---	---
Frontier Airlines	1	2	2	2	2	1	2

Cheap flights from Seattle, WA to Denver, CO

Flights starting at $54. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price.

Tips to know when travelling to Denver

Cheapest one-way trip

Cheapest round-trip

Average round-trip

Nonstop flights in May

Most popular airline

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One-way trips

Round trips

Weekly direct flights

Weekly direct flights for Sun 19.05 - Sat 25.05

Weekly direct flights for Sun 26.05 - Sat 01.06

Weekly direct flights for Sun 02.06 - Sat 08.06

Weekly direct flights for Sun 09.06 - Sat 15.06

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Weather in Denver

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Company

Platform

Features

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Name	Carrier code	IATA Code	Passport needed during booking	Online check-in available
United Airlines	UAL	UA	Yes	No
Alaska Airlines	ASA	AS	No	Opens 24 days before flight Closes 1 hours before flight
Frontier Airlines	FFT	F9	No	Opens 24 days before flight Closes 1 hours before flight

Month	Average monthly max temperature	Average monthly min temperature
January	4°C	-6°C
February	4°C	-6°C
March	10°C	-2°C
April	14°C	1°C
May	18°C	6°C
June	26°C	12°C
July	29°C	16°C
August	28°C	15°C
September	25°C	11°C
October	17°C	4°C
November	10°C	-1°C
December	4°C	-6°C