Cheap flights from Denver to Seattle

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Easily compare round-trip flights from Denver to Seattle

Below you can see the best fares for your round-trip flight 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
18 Dec
2:40 am
DEN
Denver Intl airport
3h 14m
SEA
4:54 am
Seattle/Tacoma Intl airport
Frontier
03 Jan
2:06 am
SEA
Seattle/Tacoma Intl airport
2h 42m
DEN
5:48 am
Denver Intl airport
$92
Delta
Delta
07 Jan
7:25 am
DEN
Denver Intl airport
2h 58m
SEA
9:23 am
Seattle/Tacoma Intl airport
Delta
08 Jan
11:14 am
SEA
Seattle/Tacoma Intl airport
2h 42m
DEN
2:56 pm
Denver Intl airport
$92
Alaska Airlines
Alaska Airlines
08 Jan
12:00 am
DEN
Denver Intl airport
3h 19m
SEA
2:19 am
Seattle/Tacoma Intl airport
Alaska Airlines
15 Jan
11:14 am
SEA
Seattle/Tacoma Intl airport
2h 42m
DEN
2:56 pm
Denver Intl airport
$95
United Airlines
United Airlines
13 Feb
12:15 pm
DEN
Denver Intl airport
3h 02m
SEA
2:17 pm
Seattle/Tacoma Intl airport
United Airlines
18 Feb
4:45 am
SEA
Seattle/Tacoma Intl airport
2h 37m
DEN
8:22 am
Denver Intl airport
$103
Delta
Delta
07 Jan
7:25 am
DEN
Denver Intl airport
2h 58m
SEA
9:23 am
Seattle/Tacoma Intl airport
Delta
08 Jan
11:14 am
SEA
Seattle/Tacoma Intl airport
2h 42m
DEN
2:56 pm
Denver Intl airport
$92
Frontier
Frontier
18 Dec
2:40 am
DEN
Denver Intl airport
3h 14m
SEA
4:54 am
Seattle/Tacoma Intl airport
Frontier
31 Dec
12:00 pm
SEA
Seattle/Tacoma Intl airport
2h 34m
DEN
3:34 pm
Denver Intl airport
$95

How to get the cheapest flight ticket 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 ticket 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 7% more expensive in the morning than at noon
What is the cheapest airline that flies to Seattle?
Major Airline
Major Airline, Spirit Airlines, 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?
36 days before
The cheapest time to buy a flight from Denver to Seattle is approximately 36 days to departure
60
Days before departure
0

Flight information for Denver to Seattle (03A - DEN)

Find info about flight duration, direct flights, and airports for your flight from Denver to Seattle
Fastest flight time 2h 54m The fastest flight from Denver to Seattle takes 2h 54m.
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
$106

Flights from Denver to:

*Flight prices to Seattle are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.