Cheap Flight Tickets from Denver (DEN) to Seattle (SEA), Starting at $230

Good to Know: Cheapest and Fastest DEN - SEA Flights

Useful information for finding best airline tickets from Denver International to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$241

DL Delta Airlines • 1 stop • 7h 17m

Aug 30 – Sep 06

The cheapest round trip flight from Denver to Seattle (DEN-SEA-DEN) is currently $241

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Cheapest Direct Flight

$230

DL Delta Airlines • nonstop • 5h 2m

Aug 30

The cheapest nonstop flight from Denver to Seattle (DEN-SEA) is currently $230

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Fastest Flight

4h 15m

The fastest nonstop flight from Denver to Seattle (DEN-SEA) takes 4h 15m

Top Airlines Flying from Denver to Seattle

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Denver (DEN) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Denver to Seattle. Ideal for travelers with confirmed return itineraries.

Aug 30 - Sep 06, Economy
DL
Denver → Seattle
7h 17m
6:28 PM - 10:05 PM • 1 stop
DL
Denver → Seattle
13h 33m
12:36 PM - 9:49 PM • 1 stop
$241
Delta Airlines
Aug 30 - Sep 06, Economy
DL
Denver → Seattle
8h 20m
12:54 PM - 4:54 PM • 1 stop
DL
Denver → Seattle
13h 33m
12:36 PM - 9:49 PM • 1 stop
$241
Delta Airlines
Aug 30 - Sep 06, Economy
WN
Denver → Seattle
5h
11:40 AM - 1:40 PM • nonstop
WN
Denver → Seattle
4h 10m
1:40 PM - 5:30 PM • nonstop
$419
Southwest Airlines
Aug 30 - Sep 06, Economy
WN
Denver → Seattle
4h 15m
8:45 AM - 10:40 AM • nonstop
WN
Denver → Seattle
8h 40m
5:10 AM - 11:30 AM • 1 stop
$424
Southwest Airlines
Aug 30 - Sep 06, Economy
WN
Denver → Seattle
11h 45m
3:10 PM - 9:15 PM • 1 stop
WN
Denver → Seattle
3h 55m
6:35 AM - 10:10 AM • nonstop
$429
Southwest Airlines
Aug 30 - Sep 06, Economy
WN
Denver → Seattle
12h 15m
6:15 PM - 12:50 AM • 1 stop
WN
Denver → Seattle
4h 5m
7:00 PM - 10:45 PM • nonstop
$429
Southwest Airlines

Fly from Denver to Seattle with the Best Airfare Deals on FareLeaders

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.

FAQs on Denver to Seattle Flights

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 6:30 am 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 WN : USD 424
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 6:43 pm

Denver (DEN) to Seattle (SEA): Airport Information

Origin Airport Denver International , Denver, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 1024 miles

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