Question 1

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

Accepted Answer

A one-way nonstop (direct) flight between Denver and Seattle takes around 3.0 hours.

Question 2

What is the flight distance between Denver and Seattle?

Accepted Answer

The flight distance between Denver and Seattle is 1646 km.

Question 3

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

Accepted Answer

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

Question 4

Which airports are there in Denver?

Accepted Answer

Denver is mainly served by Denver International. But there are other airports nearby, including Rocky Mountain Metropolitan Airport, Centennial Airport.

Question 5

What airports are near Denver?

Accepted Answer

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

Question 6

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 7

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

Accepted Answer

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

Question 8

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 9

Which airlines fly between Denver and Seattle?

Accepted Answer

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

Question 10

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

Accepted Answer

If you don’t have specific dates for your trip between Denver and Seattle, 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 11

What flights operate between Denver and Seattle?

Accepted Answer

Traveling between Denver and Seattle, 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 12

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, Cheyenne Regional, Pueblo Memorial, Eagle County Regional, Laramie Regional

Question 13

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 14

What time do nonstop (direct) flights between Denver and Seattle 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 Denver, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 15

What time do nonstop (direct) flights between Denver and Seattle 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 Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 16

What time do flights between Denver and Seattle 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 Denver, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 17

What time do flights between Denver and Seattle 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 Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£42
Cheapest nonstop round-trip	£42
Cheapest round-trip	£80
Average round-trip	£109
Nonstop flights in June	£42 – £256

Airline	Mon 27.05	Tue 28.05	Wed 29.05	Thu 30.05	Fri 31.05	Sat 01.06	Sun 02.06
Alaska Airlines	---	---	---	4	---	---	---
United Airlines	---	---	1	4	---	---	---
Frontier Airlines	1	1	1	2	1	2	2
Sun Country Airlines	---	---	---	---	---	---	---

Airline	Mon 03.06	Tue 04.06	Wed 05.06	Thu 06.06	Fri 07.06	Sat 08.06	Sun 09.06
Alaska Airlines	---	---	---	---	3	5	1
United Airlines	---	---	---	---	---	2	1
Frontier Airlines	2	---	2	2	2	2	2
Sun Country Airlines	---	---	---	---	---	---	---

Airline	Mon 10.06	Tue 11.06	Wed 12.06	Thu 13.06	Fri 14.06	Sat 15.06	Sun 16.06
Alaska Airlines	4	4	2	5	5	5	2
United Airlines	3	5	2	4	1	4	2
Frontier Airlines	2	2	2	2	2	2	2
Sun Country Airlines	---	---	---	---	---	---	---

Airline	Mon 17.06	Tue 18.06	Wed 19.06	Thu 20.06	Fri 21.06	Sat 22.06	Sun 23.06
Alaska Airlines	6	6	6	5	6	6	2
United Airlines	3	7	5	2	2	3	1
Frontier Airlines	2	2	2	2	2	2	2
Sun Country Airlines	---	---	---	---	---	---	---

Cheap flights from Denver, CO to Seattle, WA

Flights starting at £42. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price.

Tips to know when travelling to Seattle

Cheapest one-way trip

Cheapest nonstop round-trip

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Average round-trip

Nonstop flights in June

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Weekly direct flights for Mon 27.05 - Sun 02.06

Weekly direct flights for Mon 03.06 - Sun 09.06

Weekly direct flights for Mon 10.06 - Sun 16.06

Weekly direct flights for Mon 17.06 - Sun 23.06

Check-in for a flight from Denver to Seattle

Seattle travel tips

Weather in Seattle

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14 day forecast

Frequently asked questions

The nearest countries with flights to Seattle

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Airports near Denver

Airports near Seattle

Kiwi.com: the best free travel app for Android and iPhone

Company

Platform

Features

Discover

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

1) How to get to the city center from Seattle-Tacoma International Airport?	Link Light Rail is a great option how to get from the Seattle-Tacoma International Airport to the city center. The way will take approximately 30 minutes. The train comes every 15 minutes or even more often. We recommend using an ORCA card to get around the city for less money. Give it a try!
2) Seattle’s Museum of Flight is waiting for all aviation lovers	Seattle’s Museum of Flight can boast about a huge collection of planes, flight-related exhibits, and historical objects. There is a gallery specialised in space travel history as well as a section with flight innovations. The museum is open from Thursday to Monday. Aviation lovers, you are welcome!
3) To visit Seattle in autumn is an excellent idea	No doubt, Seattle is excellent all year round. However, autumn is special in this city. This season fills Seattle with festivals, music, art, and colourful foliage. Discounts at hotels can go as a pleasant bonus. Take advantage!

Month	Average monthly max temperature	Average monthly min temperature
January	7°C	2°C
February	8°C	1°C
March	10°C	3°C
April	13°C	4°C
May	18°C	8°C
June	21°C	10°C
July	25°C	13°C
August	26°C	14°C
September	22°C	11°C
October	15°C	7°C
November	10°C	4°C
December	6°C	1°C