Flights from Denver to Seattle

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Denver to Seattle 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 Denver to Seattle by changing tabs
Quickest
Cheapest
Frontier
Frontier
14 Sep
DEN
4:15 pm
Denver Intl airport
3h 14m
6:29 pm
SEA
Seattle/Tacoma Intl airport
Frontier
21 Sep
SEA
11:20 pm
Seattle/Tacoma Intl airport
2h 46m
3:06 am
+1
DEN
Denver Intl airport
97 USD
Frontier
Frontier
17 Sep
DEN
4:15 pm
Denver Intl airport
3h 14m
6:29 pm
SEA
Seattle/Tacoma Intl airport
Frontier
25 Sep
SEA
11:20 pm
Seattle/Tacoma Intl airport
2h 46m
3:06 am
+1
DEN
Denver Intl airport
97 USD
United Airlines
United Airlines
23 Sep
DEN
4:25 pm
Denver Intl airport
2h 53m
6:18 pm
SEA
Seattle/Tacoma Intl airport
United Airlines
30 Sep
SEA
10:52 am
Seattle/Tacoma Intl airport
2h 43m
2:35 pm
DEN
Denver Intl airport
107 USD
Major Airline
Major Airline
10 Jan
DEN
1:05 am
Denver Intl airport
3h 03m
3:08 am
SEA
Seattle/Tacoma Intl airport
Major Airline
12 Jan
SEA
1:15 pm
Seattle/Tacoma Intl airport
2h 20m
4:35 pm
DEN
Denver Intl airport
137 USD
United Airlines
United Airlines
26 Sep
DEN
4:25 pm
Denver Intl airport
2h 53m
6:18 pm
SEA
Seattle/Tacoma Intl airport
United Airlines
01 Oct
SEA
11:12 pm
Seattle/Tacoma Intl airport
2h 37m
2:49 am
+1
DEN
Denver Intl airport
107 USD
United Airlines
United Airlines
27 Sep
DEN
4:25 pm
Denver Intl airport
2h 53m
6:18 pm
SEA
Seattle/Tacoma Intl airport
United Airlines
02 Oct
SEA
11:12 pm
Seattle/Tacoma Intl airport
2h 37m
2:49 am
+1
DEN
Denver Intl airport
107 USD

How to get the cheapest flight from Denver to Seattle

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
What is the cheapest month to fly to Seattle?
February
The cheapest time of year to fly to Seattle from Denver is February. Most expensive is July
What is the cheapest day to fly to Seattle?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly to Seattle?
at noon
Denver to Seattle flights are approximately 11% more expensive in the morning than at noon
What is the cheapest airline that flies to Seattle?
Spirit Airlines
Spirit Airlines, Major Airline, and Frontier are the most popular carriers operating from Denver to Seattle
What is the cheapest route?
Denver Intl - Seattle/Tacoma Intl
Fly from Denver Intl to Seattle/Tacoma Intl for the best Denver - Seattle flight prices
DEN
Denver Intl
SEA
Seattle/Tacoma Intl
When is the cheapest time to book a flight to Seattle?
34 days before
The cheapest time to buy a flight from Denver to Seattle is approximately 34 days to departure
60
Days before departure
0

Flight information for Denver to Seattle

Find info about flight duration, direct flights, and airports for your flight from Denver to Seattle
Fastest flight time 2h 40m The fastest flight from Denver to Seattle takes 2h 40m.
Direct flights Every day Direct flights go from Denver to Seattle every day.
Airports in Seattle 3 airports There are 3 airports near Seattle: Seattle King County/Boeing (BFI), Seattle Lake Union Spb (LKE), Seattle/Tacoma Intl (SEA)

Alternative routes for Denver to Seattle

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Denver to Portland
Fastest flight time
2h 39m
Cheapest price
126 USD

Flights from Denver to:

Flights to Seattle from:

  • Denver Intl
  • Colorado
  • United States
  • North America