United Airlines Denver to Seattle Flights

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Cheapflightsplus.com will find cheap United Airlines flights from Denver to Seattle. Compare airline ticket prices and book air tickets starting from $81 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Denver (CO) — Seattle (WA) by United 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 june: one-way - $81, two-way – $139.

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Cheap Flights from Denver to Seattle by United Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by United Airlines, their prices start from $81. The fastest nonstop flight takes 2h 56m. The fastest connecting flight — 5h 37m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $81 Find flight	9:30 pm Denver Denver International	11:28 pm Seattle Seattle-Tacoma Intl	2h 58m	United Airlines	UA2651
from $81 Find flight	8:00 am Denver Denver International	9:57 am Seattle Seattle-Tacoma Intl	2h 57m	United Airlines	UA2271
from $81 Find flight	7:25 pm Denver Denver International	9:22 pm Seattle Seattle-Tacoma Intl	2h 57m	United Airlines	UA1729
from $82 Find flight	6:00 am Denver Denver International	8:01 am Seattle Seattle-Tacoma Intl	3h 1m	United Airlines	UA751
from $83 Find flight	7:20 pm Denver Denver International	9:17 pm Seattle Seattle-Tacoma Intl	2h 57m	United Airlines	UA299
from $98 Find flight	4:01 pm Denver Denver International	5:57 pm Seattle Seattle-Tacoma Intl	2h 56m	United Airlines	UA745
from $98 Find flight	1:35 pm Denver Denver International	3:31 pm Seattle Seattle-Tacoma Intl	2h 56m	United Airlines	UA594
from $99 Find flight	8:05 am Denver Denver International	10:05 am Seattle Seattle-Tacoma Intl	3h 0m	United Airlines	UA204
from $99 Find flight	4:01 pm Denver Denver International	6:00 pm Seattle Seattle-Tacoma Intl	2h 59m	United Airlines	UA1254
from $106 Find flight	1:56 pm Denver Denver International	3:54 pm Seattle Seattle-Tacoma Intl	2h 58m	United Airlines	UA1951
from $135 Find flight	11:20 am Denver Denver International	1:18 pm Seattle Seattle-Tacoma Intl	2h 58m	United Airlines	UA690
from $108 Find flight	9:42 am Denver Denver International	2:19 pm Seattle Seattle-Tacoma Intl	5h 37m layover 0h 41m - San Francisco	United Airlines	UA2041 UA433
from $108 Find flight	1:30 pm Denver Denver International	6:49 pm Seattle Seattle-Tacoma Intl	6h 19m layover 1h 23m - San Francisco	United Airlines	UA1812 UA1636
from $108 Find flight	5:35 pm Denver Denver International	11:09 pm Seattle Seattle-Tacoma Intl	6h 34m layover 1h 36m - San Francisco	United Airlines	UA1007 UA1577
from $147 Find flight	5:00 am Denver Denver International	11:41 am Seattle Seattle-Tacoma Intl	7h 41m layover 2h 43m - San Francisco	United Airlines	UA768 UA2367
from $174 Find flight	9:24 pm Denver Denver International	8:48 am+1 день Seattle Seattle-Tacoma Intl	12h 24m layover 7h 20m - San Francisco	United Airlines	UA2689 UA1969

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 06/06/2025

United 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
11:20 am — 1:18 pm	11:20 am — 1:18 pm UA690 United Airlines Denver — Seattle	2h 58m	Find flight from$135
1:35 pm — 3:31 pm	1:35 pm — 3:31 pm UA594 United Airlines Denver — Seattle	2h 56m	Find flight from$98
1:56 pm — 3:54 pm	1:56 pm — 3:54 pm UA1951 United Airlines Denver — Seattle	2h 58m	Find flight from$106
4:01 pm — 5:57 pm	4:01 pm — 5:57 pm UA745 United Airlines Denver — Seattle	2h 56m	Find flight from$98
4:01 pm — 6:00 pm	4:01 pm — 6:00 pm UA1254 United Airlines Denver — Seattle	2h 59m	Find flight from$99
6:00 am — 8:01 am	6:00 am — 8:01 am UA751 United Airlines Denver — Seattle	3h 1m	Find flight from$82
7:20 pm — 9:17 pm	7:20 pm — 9:17 pm UA299 United Airlines Denver — Seattle	2h 57m	Find flight from$83
7:25 pm — 9:22 pm	7:25 pm — 9:22 pm UA1729 United Airlines Denver — Seattle	2h 57m	Find flight from$81
8:00 am — 9:57 am	8:00 am — 9:57 am UA2271 United Airlines Denver — Seattle	2h 57m	Find flight from$81
8:05 am — 10:05 am	8:05 am — 10:05 am UA204 United Airlines Denver — Seattle	3h	Find flight from$99
9:30 pm — 11:28 pm	9:30 pm — 11:28 pm UA2651 United Airlines Denver — Seattle	2h 58m	Find flight from$81
10:09 am — 3:14 pm	10:09 am — 11:51 am UA1572 United Airlines Denver — San Francisco 1h 9m stop 1:00 pm — 3:14 pm UA2041 United Airlines San Francisco — Seattle	6h 5m including layover	Find flight from$110
10:13 am — 3:46 pm	10:13 am — 11:57 am UA2041 United Airlines Denver — San Francisco 1h 38m stop 1:35 pm — 3:46 pm UA2397 United Airlines San Francisco — Seattle	6h 33m including layover	Find flight from$117
11:25 am — 7:15 pm	11:25 am — 1:09 pm UA1561 United Airlines Denver — San Francisco 3h 53m stop 5:02 pm — 7:15 pm UA2332 United Airlines San Francisco — Seattle	8h 50m including layover	Find flight from$109
11:40 am — 6:49 pm	11:40 am — 1:22 pm UA2339 United Airlines Denver — San Francisco 3h 13m stop 4:35 pm — 6:49 pm UA2339 United Airlines San Francisco — Seattle	8h 9m including layover	Find flight from$116
3:42 pm — 10:59 pm	3:42 pm — 5:23 pm UA2633 United Airlines Denver — San Francisco 3h 22m stop 8:45 pm — 10:59 pm UA1603 United Airlines San Francisco — Seattle	8h 17m including layover	Find flight from$110
3:55 pm — 0:59 am +1 day	3:55 pm — 5:46 pm UA2633 United Airlines Denver — San Francisco 5h 9m stop 10:55 pm — 0:59 am UA2110 United Airlines San Francisco — Seattle	10h 4m including layover	Find flight from$184
5:35 pm — 11:09 pm	5:35 pm — 7:19 pm UA1007 United Airlines Denver — San Francisco 1h 36m stop 8:55 pm — 11:09 pm UA1577 United Airlines San Francisco — Seattle	6h 34m including layover	Find flight from$108
5:59 pm — 0:59 am +1 day	5:59 pm — 7:45 pm UA1007 United Airlines Denver — San Francisco 3h 10m stop 10:55 pm — 0:59 am UA2110 United Airlines San Francisco — Seattle	8h including layover	Find flight from$109
6:08 am — 11:57 am	6:08 am — 7:50 am UA2367 United Airlines Denver — San Francisco 1h 50m stop 9:40 am — 11:57 am UA757 United Airlines San Francisco — Seattle	6h 49m including layover	Find flight from$108
9:42 am — 2:19 pm	9:42 am — 11:24 am UA2041 United Airlines Denver — San Francisco 41m stop 12:05 pm — 2:19 pm UA433 United Airlines San Francisco — Seattle	5h 37m including layover	Find flight from$108

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

*Departure and arrival times are local. Last updated on 06/06/2025

Flight Information

There are 11 flights by United 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 10:09 am to 9:42 am. Nonstop flight is 2h 56m. The time difference between Denver and Seattle is 1h.

The fastest flight 2h 56m
Average flight time 2h 58m
The earliest flight 10:09 am
The latest flight 9:42 am
Distance 1022 ml

The cheapest months for traveling to Seattle are october (from 109 $), august (from 110 $), september (from 113 $).

The most expensive and popular months are november (from 166 $), december (from 154 $), may (from 153 $).

The cheapest flight by United Airlines that our users were able to find is $81. This airfare is economy class on one-way UA2651 flight for October 7, 2025 leaving Denver International in Denver at 9:30 pm, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

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

Other Popular Airlines on the Route

Besides United 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 35 direct flights every day from Denver. Airlines and fares are below:

F9 - Frontier Airlines

from $39

Find
AS - Alaska Airlines

from $63

Find
HA - Hawaiian Airlines

from $60

Find

See more direct flights

Connecting Flights

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

F9 - Frontier Airlines

from $75

Find
AS - Alaska Airlines

from $83

Find
SY - Sun Country Airlines

from $103

Find
HA - Hawaiian Airlines

from $67

Find
G4 - Allegiant Air

from $193

Find

See more connecting flights

How to book an air ticket yourself?

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