Cheap flights from Seattle, WA to Denver, CO

Flights starting at CA$74. 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 73 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 17.11 - Sat 23.11

AirlineSun 17.11Mon 18.11Tue 19.11Wed 20.11Thu 21.11Fri 22.11Sat 23.11
3535554
4433453
2222---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
54521------
554333---
1112---12

Weekly direct flights for Sun 01.12 - Sat 07.12

AirlineSun 01.12Mon 02.12Tue 03.12Wed 04.12Thu 05.12Fri 06.12Sat 07.12
1344444
---222442
---1------11---

Weekly direct flights for Sun 08.12 - Sat 14.12

AirlineSun 08.12Mon 09.12Tue 10.12Wed 11.12Thu 12.12Fri 13.12Sat 14.12
1244424
2333342
11------11---

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
18 Nov
12°C-4°C
25 Nov
10°C2°C
Tuesday
19 Nov
5°C-3°C
26 Nov
13°C5°C
Wednesday
20 Nov
10°C-5°C
27 Nov
86%
3°C1°C
Thursday
21 Nov
16°C-3°C
28 Nov
74%
1°C-2°C
Friday
22 Nov
16°C6°C
29 Nov
4°C-3°C
Saturday
23 Nov
15°C7°C
30 Nov
5°C-1°C
Sunday
24 Nov
12°C6°C
1 Dec
63%
-3°C-6°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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