Search & Compare - Denver to Seattle Flights & Tickets

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Cheap flights from Denver to Seattle (DEN to SEA)

Looking for a cheap last-minute deal or the best round-trip flight from Denver to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from Denver International to Seattle Tacoma International and booking your next trip

Cheapest Round Trip Flight

$175

UA United Airlines • 1 stop • 8h 29m

Jun 27 – Jun 30

The cheapest round trip flight from Denver International to Seattle Tacoma International is currently $175

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Cheapest Direct Flight

$308

UA United Airlines • nonstop • 4h 19m

Jun 27

The cheapest nonstop flight from Denver International to Seattle Tacoma International is currently $308

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Fastest Flight

4h 18m

The fastest nonstop flight from Denver International to Seattle Tacoma International takes 4h 18m

Recent airfare deals on Denver to Seattle

Jun 27 - Jun 30, Economy
UA
Denver → Seattle
8h 29m
4:05 PM - 9:01 PM • 1 stop
UA
Denver → Seattle
8h 25m
5:15 AM - 3:05 PM • 1 stop
$175
United Airlines
Jun 27 - Jun 30, Economy
WN
Denver → Seattle
7h 15m
5:35 PM - 12:30 AM • 1 stop
F9
Denver → Seattle
4h 15m
8:01 PM - 11:56 PM • nonstop
$354
Southwest Airlines
Jun 27 - Jun 30, Economy
WN
Denver → Seattle
7h 35m
4:40 PM - 1:25 AM • 1 stop
F9
Denver → Seattle
4h 7m
6:25 AM - 10:12 AM • nonstop
$354
Southwest Airlines
Jun 27 - Jun 30, Economy
WN
Denver → Seattle
8h 20m
4:05 PM - 11:20 PM • 1 stop
WN
Denver → Seattle
7h 30m
10:10 AM - 5:35 PM • 1 stop
$486
Southwest Airlines
Jun 27 - Jun 30, Economy
WN
Denver → Seattle
8h 25m
4:45 PM - 1:30 AM • 1 stop
WN
Denver → Seattle
7h
2:40 PM - 8:35 PM • 1 stop
$487
Southwest Airlines
Jun 27 - Jun 30, Economy
WN
Denver → Seattle
11h 45m
5:20 PM - 12:55 AM • 1 stop
WN
Denver → Seattle
7h 35m
3:50 PM - 12:45 AM • 1 stop
$496
Southwest Airlines

Facts to know while booking flights from Denver to Seattle

What are the airports in Denver?
DEN
What’s the most popular airline flying from DEN to SEA?
The most popular airline flying from Denver to Seattle are
Can I fly from DEN to SEA non-stop?
Yes, you can fly DEN to SEA non-stop on
Which airlines fly nonstop between Denver and Seattle?
The non-stop flights between Denver and Seattle are .
What’s the earliest departure time from DEN to SEA Airport?
The earliest flight leaves DEN at 3:08 pm and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Denver to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DEN to SEA?
Read the fare rules of the Denver to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Denver and Seattle?
operate flights between Denver and Seattle
How long does a flight from Denver to Seattle take?
It takes approximately 3 hour to fly non-stop from DEN to SEA, which is 1024.03 miles by air.
Which airlines provide the cheapest flights from Denver (DEN) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from DEN were found on ('UA') : USD 175
Do I need a passport to fly between DEN and SEA?
No
What’s the latest departure time from DEN to SEA ?
The last flight leaves DEN at 4:0100 pm

Flights from Denver to Seattle

Origin Airport Denver International , Denver, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
American Airlines, AA
Hawaiian Airlines-HA
Alaska Airlines -AS

Popular Origin & Destination

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