Cheap Flights from Seattle, WA to Denver, CO from $82

One way Round trip

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On Cheapflightsplus.com you will find 8 direct and 32 connecting flights from Seattle to Denver. You can compare airfare deals from 4 airlines and multiple travel sites from $82, book and save on cheap plane tickets and last minute offers. Also check out SEA-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $82 (one-way), $141 (round-trip).

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Best Flights from Seattle to Denver Today

Take a look at the list of non stop flights and flights with layovers from Seattle to Denver with the lowest price of $82. The fastest direct flight takes 2h 40m and the fastest connecting – 4h 14m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $82 Find flight	17:59 Seattle Seattle-Tacoma Intl	21:46 Denver Denver International	2h 47m	Hawaiian Airlines	HA6654
from $85 Find flight	17:59 Seattle Seattle-Tacoma Intl	21:46 Denver Denver International	2h 47m	Alaska Airlines	AS1163
from $111 Find flight	19:00 Seattle Seattle-Tacoma Intl	22:40 Denver Denver International	2h 40m	United Airlines	UA1218
from $111 Find flight	05:07 Seattle Seattle-Tacoma Intl	08:48 Denver Denver International	2h 41m	United Airlines	UA2269
from $111 Find flight	08:45 Seattle Seattle-Tacoma Intl	12:28 Denver Denver International	2h 43m	United Airlines	UA1505
from $112 Find flight	15:45 Seattle Seattle-Tacoma Intl	19:29 Denver Denver International	2h 44m	United Airlines	UA757
from $133 Find flight	11:04 Seattle Seattle-Tacoma Intl	14:51 Denver Denver International	2h 47m	United Airlines	UA1049
from $133 Find flight	12:43 Seattle Seattle-Tacoma Intl	16:30 Denver Denver International	2h 47m	United Airlines	UA1969
from $108 Find flight	14:59 Seattle Seattle-Tacoma Intl	23:47 Denver Denver International	7h 48m layover 2h 32m - San Diego	Hawaiian Airlines	HA6885 HA6403
from $118 Find flight	14:59 Seattle Seattle-Tacoma Intl	23:47 Denver Denver International	7h 48m layover 2h 32m - San Diego	Alaska Airlines	AS1146 AS1070
from $141 Find flight	13:50 Seattle Seattle-Tacoma Intl	21:04 Denver Denver International	6h 14m layover 0h 49m - Minneapolis	Sun Country Airlines	SY284 SY1609
from $148 Find flight	15:23 Seattle Seattle-Tacoma Intl	22:18 Denver Denver International	5h 55m layover 1h 3m - San Francisco	United Airlines	UA325 UA1745
from $148 Find flight	12:52 Seattle Seattle-Tacoma Intl	20:08 Denver Denver International	6h 16m layover 1h 21m - San Francisco	United Airlines	UA1482 UA2464
from $148 Find flight	07:00 Seattle Seattle-Tacoma Intl	14:56 Denver Denver International	6h 56m layover 1h 57m - San Francisco	United Airlines	UA2640 UA2076
from $148 Find flight	12:52 Seattle Seattle-Tacoma Intl	22:18 Denver Denver International	8h 26m layover 3h 35m - San Francisco	United Airlines	UA1482 UA1745
from $148 Find flight	08:42 Seattle Seattle-Tacoma Intl	18:14 Denver Denver International	8h 32m layover 3h 37m - San Francisco	United Airlines	UA737 UA1596

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 21, 2025

Flight Schedule Seattle (Washington) to Denver (Colorado)

Full flight schedule will help you in detecting at what time planes fly from Seattle to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
05:07 — 08:48	05:07 — 08:48 UA2269 United Airlines Seattle — Denver	2h 41m	Find flight from$111
08:45 — 12:28	08:45 — 12:28 UA1505 United Airlines Seattle — Denver	2h 43m	Find flight from$111
11:04 — 14:51	11:04 — 14:51 UA1049 United Airlines Seattle — Denver	2h 47m	Find flight from$133
12:43 — 16:30	12:43 — 16:30 UA1969 United Airlines Seattle — Denver	2h 47m	Find flight from$133
15:45 — 19:29	15:45 — 19:29 UA757 United Airlines Seattle — Denver	2h 44m	Find flight from$112
17:59 — 21:46	17:59 — 21:46 HA6654 Hawaiian Airlines Seattle — Denver	2h 47m	Find flight from$82
17:59 — 21:46	17:59 — 21:46 AS1163 Alaska Airlines Seattle — Denver	2h 47m	Find flight from$85
19:00 — 22:40	19:00 — 22:40 UA1218 United Airlines Seattle — Denver	2h 40m	Find flight from$111
07:00 — 14:56	07:00 — 09:19 UA2640 United Airlines Seattle — San Francisco 1h 57m stop 11:16 — 14:56 UA2076 United Airlines San Francisco — Denver	6h 56m including layover	Find flight from$148
07:00 — 16:36	07:00 — 09:19 UA2640 United Airlines Seattle — San Francisco 3h 36m stop 12:55 — 16:36 UA1333 United Airlines San Francisco — Denver	8h 36m including layover	Find flight from$167
08:42 — 18:14	08:42 — 10:57 UA737 United Airlines Seattle — San Francisco 3h 37m stop 14:34 — 18:14 UA1596 United Airlines San Francisco — Denver	8h 32m including layover	Find flight from$148
11:00 — 19:10	11:00 — 13:57 HA6887 Hawaiian Airlines Seattle — San Diego 1h 40m stop 15:37 — 19:10 HA6408 Hawaiian Airlines San Diego — Denver	7h 10m including layover	Find flight from$173
12:52 — 20:08	12:52 — 15:07 UA1482 United Airlines Seattle — San Francisco 1h 21m stop 16:28 — 20:08 UA2464 United Airlines San Francisco — Denver	6h 16m including layover	Find flight from$148
13:50 — 21:04	13:50 — 19:11 SY284 Sun Country Airlines Seattle — Minneapolis 49m stop 20:00 — 21:04 SY1609 Sun Country Airlines Minneapolis — Denver	6h 14m including layover	Find flight from$141
14:59 — 23:47	14:59 — 17:47 HA6885 Hawaiian Airlines Seattle — San Diego 2h 32m stop 20:19 — 23:47 HA6403 Hawaiian Airlines San Diego — Denver	7h 48m including layover	Find flight from$108
14:59 — 23:47	14:59 — 17:47 AS1146 Alaska Airlines Seattle — San Diego 2h 32m stop 20:19 — 23:47 AS1070 Alaska Airlines San Diego — Denver	7h 48m including layover	Find flight from$118
15:23 — 22:18	14:29 — 16:45 UA325 United Airlines Seattle — San Francisco 1h 3m stop 18:42 — 22:18 UA1745 United Airlines San Francisco — Denver	5h 55m including layover	Find flight from$148
19:30 — 10:40 +1 day	19:30 — 20:25 AS2007 Alaska Airlines Seattle — Portland 10h 35m stop 07:00 — 10:40 AS1136 Alaska Airlines Portland — Denver	14h 10m including layover	Find flight from$215
21:40 — 10:40 +1 day	21:40 — 22:44 AS152 Alaska Airlines Seattle — Portland 8h 16m stop 07:00 — 10:40 AS1136 Alaska Airlines Portland — Denver	12h including layover	Find flight from$193
22:59 — 18:02 +1 day	22:50 — 23:44 HA6822 Hawaiian Airlines Seattle — Portland 14h 34m stop 14:30 — 18:09 HA6338 Hawaiian Airlines Portland — Denver	18h 3m including layover	Find flight from$194
05:21 — 14:00	05:21 — 06:20 HA6543 Hawaiian Airlines Seattle — Portland 40m stop 07:00 — 09:32 HA6307 Hawaiian Airlines Portland — San Diego 1h stop 10:32 — 14:00 HA6401 Hawaiian Airlines San Diego — Denver	7h 39m including layover	Find flight from$166
22:48 — 10:40 +1 day	22:48 — 23:59 HA6865 Hawaiian Airlines Seattle — Redmond 5h 26m stop 05:25 — 06:17 HA7197 Hawaiian Airlines Redmond — Portland 43m stop 07:00 — 10:40 HA6337 Hawaiian Airlines Portland — Denver	10h 52m including layover	Find flight from$197

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

*Departure and arrival times - local. Updated on July 21, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Denver depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Denver is 1644 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 22:59 from 3 Seattle airports and arrive 05:00 to 22:59 to 2 Denver airports. Average flight time is 2h 46m.

The fastest flight 2h 40m
Average flight time 2h 46m
The earliest flight 05:00
The latest flight 22:59
Distance 1022 ml

The cheapest months to travel to Denver are september (from 82 $), october (from 85 $), august (from 112 $).

The most expensive months are june (from 157 $), may (from 156 $), july (from 145 $).

What is the lowest airfare Seattle to Denver?

The cheapest plane ticket found by our users is $82. This airfare is for economy class on one-way HA6654 flight by Hawaiian Airlines for September 27, 2025 which leaves Seattle-Tacoma Intl in Seattle at 17:59 am and arrives at Denver Denver International at 21:46.

Economy class

$82

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Business class

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First class

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Popular Airlines on the Route

The flight Seattle — Denver is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by United Airlines - 19 departures per week at the price of from $ 111 . And the most expensive tickets are offered by United Airlines airline - from $ 316.

Direct flights

There are 8 nonstop flights on the route. The fastest direct flight is UA1218 by United Airlines takes 2h 40m and the cheapest is HA6654 by Hawaiian Airlines for $82.

UA - United Airlines

from $111

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AS - Alaska Airlines

from $85

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HA - Hawaiian Airlines

from $82

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See more direct flights

Connecting Flights

There are 32 flights with layovers on the route. The fastest connecting flight is HA6542 by Hawaiian Airlines takes 4h 14m and the cheapest is HA6654 by Hawaiian Airlines for $108.

UA - United Airlines

from $148

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AS - Alaska Airlines

from $118

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SY - Sun Country Airlines

from $141

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HA - Hawaiian Airlines

from $108

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See more connecting flights

Airports

You can fly from Seattle to Denver from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

from $82
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Kenmore Air Harbor SPB-LKE

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Denver airports

Denver International-DEN

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Arapahoe Co-APA

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Airplanes

There are flights to Denver from Seattle by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Seattle — Washington D.C.

from $78

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Seattle — Las Vegas

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Seattle — New York

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Seattle — Chicago

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Seattle — Phoenix

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Seattle — San Diego

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Seattle — Los Angeles

from $53

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Seattle — Denver

from $243

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Seattle — Dallas

from $72

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Seattle — Boston

from $63

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Top International Destinations from Seattle

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Seattle — Tokyo

from $77

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Seattle — London

from $70

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Seattle — Vancouver

from $57

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Seattle — Cancun

from $63

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Seattle — Paris

from $66

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Seattle — Toronto

from $64

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Seattle — Calgary

from $76

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Seattle — Mumbai

from $80

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Seattle — Montreal

from $68

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Seattle — Amsterdam

from $64

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How to book a plane 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 flight ticket.
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.
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