Cheap flights from Seattle, WA to Denver, CO

Flights starting at CA$46. Choose between United Airlines, Alaska Airlines, or Frontier Airlines to find the best price.

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Tips to know when travelling to Denver

Travelers usually depart from Seattle–Tacoma International, 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, Alaska Airlines, and Frontier Airlines. Seattle and Denver have 72 direct flights per week.

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 table.

Weekly direct flights for Sun 03.11 - Sat 09.11

AirlineSun 03.11Mon 04.11Tue 05.11Wed 06.11Thu 07.11Fri 08.11Sat 09.11
2433432
---124---24
22------2---2

Weekly direct flights for Sun 10.11 - Sat 16.11

AirlineSun 10.11Mon 11.11Tue 12.11Wed 13.11Thu 14.11Fri 15.11Sat 16.11
3233433
2244212
2222---------

Weekly direct flights for Sun 17.11 - Sat 23.11

AirlineSun 17.11Mon 18.11Tue 19.11Wed 20.11Thu 21.11Fri 22.11Sat 23.11
4433452
2545343
---------------12

Weekly direct flights for Sun 24.11 - Sat 30.11

AirlineSun 24.11Mon 25.11Tue 26.11Wed 27.11Thu 28.11Fri 29.11Sat 30.11
552332---
442---1------
1112---12

Check-in for a flight from Seattle to Denver

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No

Weather in Denver

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January4°C-6°C
February4°C-6°C
March10°C-2°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
December4°C-6°C
Hottest Month
29°C
July
Coldest month
-6°C
January
Sunny days
261
days per year
Snow days
28
days per year

14 day forecast

Monday
28 Oct
23°C9°C
4 Nov
88%
5°C0°C
Tuesday
29 Oct
19°C7°C
5 Nov
76%
0°C0°C
Wednesday
30 Oct
5°C1°C
6 Nov
2°C-5°C
Thursday
31 Oct
14°C-2°C
7 Nov
79%
7°C-1°C
Friday
1 Nov
17°C5°C
8 Nov
13°C3°C
Saturday
2 Nov
19°C8°C
9 Nov
15°C5°C
Sunday
3 Nov
13°C8°C
10 Nov
18°C8°C

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?
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?

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

Airlines operating from Seattle to Denver

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