Flights from Seattle to Denver

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Seattle to Denver flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Denver by changing tabs
Quickest
Cheapest
Frontier
Frontier
16 Oct
SEA
7:01 am
Seattle/Tacoma Intl airport
2h 45m
10:46 am
DEN
Denver Intl airport
Frontier
22 Oct
DEN
4:10 pm
Denver Intl airport
2h 53m
6:03 pm
SEA
Seattle/Tacoma Intl airport
102 USD
Frontier
Frontier
01 Oct
SEA
2:02 am
Seattle/Tacoma Intl airport
2h 46m
5:48 am
DEN
Denver Intl airport
Frontier
08 Oct
DEN
4:10 pm
Denver Intl airport
2h 53m
6:03 pm
SEA
Seattle/Tacoma Intl airport
117 USD
Frontier
Frontier
05 Oct
SEA
7:01 am
Seattle/Tacoma Intl airport
2h 45m
10:46 am
DEN
Denver Intl airport
Frontier
08 Oct
DEN
4:10 pm
Denver Intl airport
2h 53m
6:03 pm
SEA
Seattle/Tacoma Intl airport
117 USD
Southwest
Southwest
27 Jul
SEA
10:05 pm
Seattle/Tacoma Intl airport
2h 30m
1:35 am
+1
DEN
Denver Intl airport
Southwest
28 Jul
DEN
12:10 am
Denver Intl airport
3h 02m
2:12 am
SEA
Seattle/Tacoma Intl airport
258 USD
United Airlines
United Airlines
02 Nov
SEA
10:50 am
Seattle/Tacoma Intl airport
2h 32m
2:22 pm
DEN
Denver Intl airport
United Airlines
03 Nov
DEN
11:45 pm
Denver Intl airport
3h 02m
1:47 am
+1
SEA
Seattle/Tacoma Intl airport
132 USD
Delta
Delta
31 Aug
SEA
11:50 am
Seattle/Tacoma Intl airport
2h 33m
3:23 pm
DEN
Denver Intl airport
Delta
03 Sep
DEN
4:10 am
Denver Intl airport
3h 02m
6:12 am
SEA
Seattle/Tacoma Intl airport
123 USD

How to get the cheapest flight from Seattle to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
CHEAPEST MONTH TO FLY
October
The cheapest time of year to fly to Denver from Seattle is October. Most expensive is June
CHEAPEST DAY TO FLY
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
in the evening
Seattle to Denver flights are approximately 111% more expensive in the morning than in the evening
CHEAPEST AIRLINE
Major Airline
Major Airline, Frontier, and Spirit Airlines are the most popular carriers operating from Seattle to Denver
CHEAPEST ROUTE
Seattle/Tacoma Intl - Denver Intl
Fly from Seattle/Tacoma Intl to Denver Intl for the best Seattle - Denver flight prices
SEA
Seattle/Tacoma Intl
DEN
Denver Intl
CHEAPEST TIME TO BOOK
40 days before
The cheapest time to buy a flight from Seattle to Denver is approximately 40 days to departure
60
Days before departure
0

Flight information for Seattle to Denver

Find info about flight duration, direct flights, and airports for your flight from Seattle to Denver
Fastest flight time
2h 30m
The fastest flight from Seattle to Denver takes 2h 30m.
Direct flights
Every day
Direct flights go from Seattle to Denver every day.
Airports in Denver
2 airports
There are 2 airports near Denver: Denver Arapahoe Co (APA), Denver Intl (DEN)

Alternative routes for Seattle to Denver

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Portland to Denver
Fastest flight time
2h 27m
Cheapest price
117 USD

Flights from Seattle to:

Flights to Denver from:

  • Seattle
  • Washington
  • United States
  • North America