Southwest Airlines Denver to Seattle Flights

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

Return flight: Seattle – Denver

Page navigation

Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Southwest Airlines flights from Denver to Seattle. Compare airline ticket prices and book air tickets starting from $118 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Southwest Airlines, arrivals and departure details below.

Find Cheap Airfare Denver (CO) — Seattle (WA) by Southwest Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in january: one-way - $118, two-way – $202.

Direct flights

Check to choose departure date Check to choose departure date

Check prices for return flight

Find flights

Cheap Flights from Denver to Seattle by Southwest Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by Southwest Airlines, their prices start from $118. The fastest nonstop flight takes 2h 50m. The fastest connecting flight — 5h 45m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $118 Find flight	10:00 pm Denver Denver International	11:55 pm Seattle Seattle-Tacoma Intl	2h 55m	Southwest Airlines	WN2282
from $248 Find flight	8:20 am Denver Denver International	10:20 am Seattle Seattle-Tacoma Intl	3h 0m	Southwest Airlines	WN1066
from $248 Find flight	2:25 pm Denver Denver International	4:15 pm Seattle Seattle-Tacoma Intl	2h 50m	Southwest Airlines	WN1883
from $250 Find flight	2:10 pm Denver Denver International	7:00 pm Seattle Seattle-Tacoma Intl	5h 50m	Southwest Airlines	WN2278
from $250 Find flight	4:30 pm Denver Denver International	8:40 pm Seattle Seattle-Tacoma Intl	5h 10m	Southwest Airlines	WN2049
from $253 Find flight	5:30 am Denver Denver International	11:30 am Seattle Seattle-Tacoma Intl	7h 0m layover 1h 50m - Phoenix	Southwest Airlines	WN2225 WN2222
from $253 Find flight	5:35 am Denver Denver International	10:50 am Seattle Seattle-Tacoma Intl	6h 15m layover 0h 50m - San Diego	Southwest Airlines	WN1361 WN495
from $253 Find flight	8:10 am Denver Denver International	1:40 pm Seattle Seattle-Tacoma Intl	6h 30m layover 1h 10m - Phoenix	Southwest Airlines	WN1219 WN286
from $253 Find flight	2:00 pm Denver Denver International	6:55 pm Seattle Seattle-Tacoma Intl	5h 55m layover 1h 10m - Oakland	Southwest Airlines	WN1844 WN857
from $253 Find flight	3:05 pm Denver Denver International	8:20 pm Seattle Seattle-Tacoma Intl	6h 15m layover 1h 35m - Las Vegas	Southwest Airlines	WN1731 WN6595
from $253 Find flight	4:55 pm Denver Denver International	10:55 pm Seattle Seattle-Tacoma Intl	7h 0m layover 1h 40m - San Diego	Southwest Airlines	WN1364 WN1250
from $253 Find flight	7:10 pm Denver Denver International	11:55 pm Seattle Seattle-Tacoma Intl	5h 45m layover 1h 0m - Oakland	Southwest Airlines	WN1033 WN988
from $253 Find flight	7:30 pm Denver Denver International	0:50 am+1 день Seattle Seattle-Tacoma Intl	6h 20m layover 1h 50m - Las Vegas	Southwest Airlines	WN715 WN2103
from $253 Find flight	7:55 pm Denver Denver International	0:50 am+1 день Seattle Seattle-Tacoma Intl	5h 55m layover 1h 0m - Phoenix	Southwest Airlines	WN510 WN1930
from $402 Find flight	10:30 pm Denver Denver International	6:20 am+1 день Seattle Seattle-Tacoma Intl	8h 50m layover 5h 15m - Portland	Southwest Airlines	WN2100 AS2300
from $406 Find flight	10:45 pm Denver Denver International	6:45 am+1 день Seattle Seattle-Tacoma Intl	9h 0m layover 5h 20m - Salt Lake City	Southwest Airlines	WN2026 AS761

Show All Flights

*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 01/15/2025

Southwest Airlines Flight Schedule Denver to Seattle

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
10:00 pm — 11:55 pm	10:00 pm — 11:55 pm WN2282 Southwest Airlines Denver — Seattle	2h 55m	Find flight from$118
10:30 pm — 6:20 am +1 day	10:30 pm — 0:15 am WN2100 Southwest Airlines Denver — Portland 5h 15m stop 5:30 am — 6:20 am AS2300 Alaska Airlines Portland — Seattle	8h 50m including layover	Find flight from$402
10:30 pm — 7:05 am +1 day	10:30 pm — 0:15 am WN2100 Southwest Airlines Denver — Portland 5h 45m stop 6:00 am — 7:05 am DL2946 Delta Air Lines Inc. Portland — Seattle	9h 35m including layover	Find flight from$460
10:45 pm — 6:45 am +1 day	10:45 pm — 0:10 am WN2026 Southwest Airlines Denver — Salt Lake City 5h 20m stop 5:30 am — 6:45 am AS761 Alaska Airlines Salt Lake City — Seattle	9h including layover	Find flight from$406
10:45 pm — 8:28 am +1 day	10:45 pm — 0:10 am WN2026 Southwest Airlines Denver — Salt Lake City 7h stop 7:10 am — 8:28 am DL5756 Delta Air Lines Inc. Salt Lake City — Seattle	10h 43m including layover	Find flight from$567
2:00 pm — 6:55 pm	2:00 pm — 3:40 pm WN1844 Southwest Airlines Denver — Oakland 1h 10m stop 4:50 pm — 6:55 pm WN857 Southwest Airlines Oakland — Seattle	5h 55m including layover	Find flight from$253
2:10 pm — 7:00 pm	2:10 pm — 7:00 pm WN2278 Southwest Airlines Denver — Seattle	5h 50m	Find flight from$250
2:25 pm — 4:15 pm	2:25 pm — 4:15 pm WN1883 Southwest Airlines Denver — Seattle	2h 50m	Find flight from$248
3:05 pm — 8:20 pm	3:05 pm — 4:05 pm WN1731 Southwest Airlines Denver — Las Vegas 1h 35m stop 5:40 pm — 8:20 pm WN6595 Southwest Airlines Las Vegas — Seattle	6h 15m including layover	Find flight from$253
4:30 pm — 8:40 pm	4:30 pm — 8:40 pm WN2049 Southwest Airlines Denver — Seattle	5h 10m	Find flight from$250
4:55 pm — 10:55 pm	4:55 pm — 6:20 pm WN1364 Southwest Airlines Denver — San Diego 1h 40m stop 8:00 pm — 10:55 pm WN1250 Southwest Airlines San Diego — Seattle	7h including layover	Find flight from$253
5:30 am — 11:30 am	5:30 am — 6:25 am WN2225 Southwest Airlines Denver — Phoenix 1h 50m stop 8:15 am — 11:30 am WN2222 Southwest Airlines Phoenix — Seattle	7h including layover	Find flight from$253
5:35 am — 10:50 am	5:35 am — 6:55 am WN1361 Southwest Airlines Denver — San Diego 50m stop 7:45 am — 10:50 am WN495 Southwest Airlines San Diego — Seattle	6h 15m including layover	Find flight from$253
7:10 pm — 11:55 pm	7:10 pm — 8:55 pm WN1033 Southwest Airlines Denver — Oakland 1h stop 9:55 pm — 11:55 pm WN988 Southwest Airlines Oakland — Seattle	5h 45m including layover	Find flight from$253
7:30 pm — 0:50 am +1 day	7:30 pm — 8:25 pm WN715 Southwest Airlines Denver — Las Vegas 1h 50m stop 10:15 pm — 0:50 am WN2103 Southwest Airlines Las Vegas — Seattle	6h 20m including layover	Find flight from$253
7:55 pm — 0:50 am +1 day	7:55 pm — 8:50 pm WN510 Southwest Airlines Denver — Phoenix 1h stop 9:50 pm — 0:50 am WN1930 Southwest Airlines Phoenix — Seattle	5h 55m including layover	Find flight from$253
8:10 am — 1:40 pm	8:10 am — 9:15 am WN1219 Southwest Airlines Denver — Phoenix 1h 10m stop 10:25 am — 1:40 pm WN286 Southwest Airlines Phoenix — Seattle	6h 30m including layover	Find flight from$253
8:20 am — 10:20 am	8:20 am — 10:20 am WN1066 Southwest Airlines Denver — Seattle	3h	Find flight from$248

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 01/15/2025

Flight Information

There are 5 flights by Southwest Airlines from Denver to Seattle every week with departures from Denver International and Arapahoe Co. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 10:00 pm to 8:20 am. Nonstop flight is 2h 50m. The time difference between Denver and Seattle is 1h.

The fastest flight 2h 50m
Average flight time 3h
The earliest flight 10:00 pm
The latest flight 8:20 am
Distance 1022 ml

The cheapest flight by Southwest Airlines that our users were able to find is $118. This airfare is economy class on one-way WN2282 flight for May 3, 2019 leaving Denver International in Denver at 10:00 pm, it includes all taxes and additional fees.

Find same flight?

Southwest Airlines Airplanes on the Route

List of the most popular Southwest Airlines airplanes flying from Denver to Seattle:

Boeing 737-800

from $118

Find
Boeing 737-700

from $248

Find

Other Popular Airlines on the Route

Besides Southwest Airlines there are other 5 airline carriers between Denver and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Denver to Seattle.

Nonstop flights

There are 15 direct flights every day from Denver. Airlines and fares are below:

AS - Alaska Airlines

from $87

Find
F9 - Frontier Airlines

from $57

Find
UA - United Airlines

from $111

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

AS - Alaska Airlines

from $163

Find
F9 - Frontier Airlines

from $82

Find
UA - United Airlines

from $116

Find
Y4 - Volaris

from $1349

Find
AM - Aeromexico

from $720

Find

See more connecting flights

How to book an air ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.