Cheap flights from Seattle to Denver from £40

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Denver

Direct
Tue, Jul 22
Seattle SEADenver DEN

£40
Search
Direct
Wed, Jul 23
Seattle SEADenver DEN

£48
Search
Direct
Thu, Jul 24
Seattle SEADenver DEN

£56
Search
Direct
Thu, Jul 24
Seattle SEADenver DEN

£56
Search
Direct
Thu, Jul 24
Seattle SEADenver DEN

£56
Search
Direct
Thu, Jul 24
Seattle SEADenver DEN

£56
Search

Prices updated:

Direct
Tue, Jul 22 – Sat, Jul 26
Seattle SEADenver DEN

£87
Search
Direct
Wed, Jul 23 – Sat, Jul 26
Seattle SEADenver DEN

£92
Search
Direct
Sat, Jul 19 – Tue, Jul 22
Seattle SEADenver DEN

£101
Search
Direct
Sat, Jul 19 – Tue, Jul 22
Seattle SEADenver DEN

£101
Search
Direct
Sat, Jul 19 – Tue, Jul 22
Seattle SEADenver DEN

£101
Search
Direct
Sat, Jul 19 – Tue, Jul 22
Seattle SEADenver DEN

£101
Search

Prices updated:

Key info about flying to Denver

Depart from
Seattle–Tacoma International
Arrive to
Denver International
Average flights per week
142
Flight distance
1646 km

Weekly direct flights

Discover the top airlines offering direct flights from Seattle to Denver in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 30.06Tue 01.07Wed 02.07Thu 03.07Fri 04.07Sat 05.07Sun 06.07
---------533---
---------------------
---------------1---
---------1---1---
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Thursday 5 flights
AirlineMon 07.07Tue 08.07Wed 09.07Thu 10.07Fri 11.07Sat 12.07Sun 13.07
------6615---
------4------2---
------12222
---------615---
Weekly flights: 45 totalDaily flights: 6.43 averageMost flights: Wednesday 6 flights
AirlineMon 14.07Tue 15.07Wed 16.07Thu 17.07Fri 18.07Sat 19.07Sun 20.07
2555341
---51322---
2112222
------1------------
Weekly flights: 51 totalDaily flights: 7.29 averageMost flights: Tuesday 5 flights
AirlineMon 21.07Tue 22.07Wed 23.07Thu 24.07Fri 25.07Sat 26.07Sun 27.07
4666442
136321---
2112222
---------------------
Weekly flights: 60 totalDaily flights: 8.57 averageMost flights: Tuesday 6 flights

Check-in for a flight from Seattle to Denver

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Hawaiian AirlinesHALHANo
Frontier AirlinesFFTF9No
Alaska AirlinesASAASNo
Turkish AirlinesTHYTKNo

Weather in Denver

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January4°C-6°C
February4°C-6°C
March10°C-1°C
April14°C1°C
May18°C6°C
June26°C13°C
July29°C16°C
August28°C15°C
September25°C12°C
October17°C4°C
November10°C-1°C
December5°C-6°C
Hottest Month
29°C
July
Coldest month
-6°C
January
Sunny days
264
days per year
Snow days
28
days per year

14 day forecast

Saturday
28 Jun
36°C16°C
5 Jul
34°C21°C
Sunday
29 Jun
32°C16°C
6 Jul
33°C19°C
Monday
30 Jun
29°C16°C
7 Jul
31°C16°C
Tuesday
1 Jul
35°C15°C
8 Jul
83%
30°C17°C
Wednesday
2 Jul
35°C19°C
9 Jul
89%
35°C20°C
Thursday
3 Jul
53%
32°C21°C
10 Jul
37°C20°C
Friday
4 Jul
33°C19°C
11 Jul
37°C21°C

Denver travel tips

Buy a Citypass in Denver to save some money
Sport fans must attend a baseball match in Denver
Do not hesitate to ask if ice skating is free in winter in Denver
Travelers usually depart from Seattle–Tacoma International, Boeing Field, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Denver. The distance between Seattle and Denver is 1646 km. The most popular airlines for this route are United Airlines, Hawaiian Airlines, Frontier Airlines, Alaska Airlines, and Turkish Airlines. Seattle and Denver have 142 direct flights per week.

Frequently asked questions

How long does it take to travel from Seattle to Denver?
What is the flight distance between Seattle and Denver?
What airlines offer nonstop (direct) flights between Seattle and Denver?
What are the most popular routes to and from Seattle?
What are the most popular routes to and from Denver?
Which airports are there in Seattle?
What airports are near Seattle?
What airports are near Denver?
Which airlines fly between Seattle and Denver?
When’s the best time to travel between Seattle and Denver?
What flights operate between Seattle and Denver?
How many airports are there near Seattle?
How many airports are there near Denver?
What time do nonstop (direct) flights between Seattle and Denver depart?
What time do nonstop (direct) flights between Seattle and Denver arrive?
What time do flights between Seattle and Denver depart?
What time do flights between Seattle and Denver arrive?

Explore alternative trips

Flights from Seattle

Flights to Denver

Popular routes

The nearest countries with flights to Denver

Here is a list of countries people are flying from

Other destination countries from Seattle

Here is a list of countries people are flying to

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Find the best connection from Seattle to Denver
Search flights

We hack the system,
you fly for less