United Airlines Denver to Seattle Flights
Return flight: Seattle – Denver
Cheapflightsplus.com will find cheap United Airlines flights from Denver to Seattle. Compare airline ticket prices and book air tickets starting from $116 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 march: one-way - $116, two-way – $199.
Direct flights
Check prices for return flight
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 $116. The fastest nonstop flight takes 3h 1m. The fastest connecting flight — 5h 52m.
| Price | Departure | Arrival | Flight Time | Airline | Flight |
|---|---|---|---|---|---|
| from $116 | 7:46 am Denver Denver International | 9:49 am Seattle Seattle-Tacoma Intl | 3h 3m | United Airlines | UA204 |
| from $117 | 8:44 pm Denver Denver International | 10:45 pm Seattle Seattle-Tacoma Intl | 3h 1m | United Airlines | UA2651 |
| from $126 | 7:00 pm Denver Denver International | 9:01 pm Seattle Seattle-Tacoma Intl | 3h 1m | United Airlines | UA299 |
| from $128 | 4:01 pm Denver Denver International | 6:03 pm Seattle Seattle-Tacoma Intl | 3h 2m | United Airlines | UA745 |
| from $129 | 11:50 am Denver Denver International | 1:54 pm Seattle Seattle-Tacoma Intl | 3h 4m | United Airlines | UA690 |
| from $122 | 6:00 am Denver Denver International | 11:12 am Seattle Seattle-Tacoma Intl | 6h 12m layover 1h 0m - San Francisco | United Airlines | UA573 UA573 |
| from $190 | 11:20 am Denver Denver International | 6:29 pm Seattle Seattle-Tacoma Intl | 8h 9m layover 2h 53m - San Francisco | United Airlines | UA1561 UA2603 |
| from $194 | 7:05 pm Denver Denver International | 0:55 am+1 день Seattle Seattle-Tacoma Intl | 6h 50m layover 1h 36m - San Francisco | United Airlines | UA2681 UA1743 |
| from $243 | 5:50 pm Denver Denver International | 0:55 am+1 день Seattle Seattle-Tacoma Intl | 8h 5m layover 2h 49m - San Francisco | United Airlines | UA1007 UA1743 |
| from $277 | 6:00 am Denver Denver International | 1:57 pm Seattle Seattle-Tacoma Intl | 8h 57m layover 3h 20m - Los Angeles | United Airlines | UA1093 UA2361 |
| from $340 | 4:15 pm Denver Denver International | 10:00 pm Seattle Seattle-Tacoma Intl | 6h 45m layover 1h 9m - Los Angeles | United Airlines | UA564 UA684 |
| from $340 | 7:45 am Denver Denver International | 2:22 pm Seattle Seattle-Tacoma Intl | 7h 37m layover 2h 24m - San Francisco | United Airlines | UA2391 UA419 |
| from $369 | 9:30 am Denver Denver International | 2:22 pm Seattle Seattle-Tacoma Intl | 5h 52m layover 0h 38m - San Francisco | United Airlines | UA510 UA419 |
| from $286 | 4:15 pm Denver Denver International | 0:55 am+1 день Seattle Seattle-Tacoma Intl | 9h 40m layover 1h 11m - Los Angeles 1h 55m - San Francisco | United Airlines | UA564 UA1743 UA1743 |
Show All Flights
*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025
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 | Arrival | Flight Details | Flight Time | Price |
|---|---|---|---|---|
|
11:20 am — 6:29 pm
|
11:31 am — 1:20 pm
UA1561
United Airlines
Denver — San Francisco
2h 53m stop
4:23 pm — 6:41 pm
UA2603
United Airlines
San Francisco — Seattle
|
8h 9m including layover |
Find flight
from$190 |
|
|
11:50 am — 1:54 pm
|
11:50 am — 1:54 pm
UA690
United Airlines
Denver — Seattle
|
3h 4m |
Find flight
from$129 |
|
|
4:01 pm — 6:03 pm
|
4:01 pm — 6:03 pm
UA745
United Airlines
Denver — Seattle
|
3h 2m |
Find flight
from$128 |
|
|
4:15 pm — 0:55 am
+1 day
|
4:15 pm — 5:55 pm
UA564
United Airlines
Denver — Los Angeles
1h 11m stop
7:06 pm — 8:40 pm
UA1743
United Airlines
Los Angeles — San Francisco
1h 55m stop
10:35 pm — 0:55 am
UA1743
United Airlines
San Francisco — Seattle
|
9h 40m including layover |
Find flight
from$286 |
|
|
4:15 pm — 10:00 pm
|
4:15 pm — 5:55 pm
UA564
United Airlines
Denver — Los Angeles
1h 9m stop
7:04 pm — 10:00 pm
UA684
United Airlines
Los Angeles — Seattle
|
6h 45m including layover |
Find flight
from$340 |
|
|
5:50 pm — 0:55 am
+1 day
|
5:50 pm — 7:46 pm
UA1007
United Airlines
Denver — San Francisco
2h 49m stop
10:35 pm — 0:55 am
UA1743
United Airlines
San Francisco — Seattle
|
8h 5m including layover |
Find flight
from$243 |
|
|
6:00 am — 11:12 am
|
6:00 am — 7:50 am
UA573
United Airlines
Denver — San Francisco
1h stop
9:00 am — 11:20 am
UA573
United Airlines
San Francisco — Seattle
|
6h 12m including layover |
Find flight
from$122 |
|
|
6:00 am — 6:29 pm
|
6:00 am — 7:49 am
UA573
United Airlines
Denver — San Francisco
8h 17m stop
4:32 pm — 6:50 pm
UA2603
United Airlines
San Francisco — Seattle
|
13h 29m including layover |
Find flight
from$255 |
|
|
6:00 am — 1:57 pm
|
6:00 am — 7:39 am
UA1093
United Airlines
Denver — Los Angeles
3h 20m stop
11:00 am — 2:00 pm
UA2361
United Airlines
Los Angeles — Seattle
|
8h 57m including layover |
Find flight
from$277 |
|
|
6:00 am — 3:54 pm
|
6:00 am — 7:53 am
UA573
United Airlines
Denver — San Francisco
5h 42m stop
1:35 pm — 3:54 pm
UA1387
United Airlines
San Francisco — Seattle
|
10h 54m including layover |
Find flight
from$296 |
|
|
6:00 am — 2:22 pm
|
6:00 am — 7:53 am
UA573
United Airlines
Denver — San Francisco
4h 11m stop
12:04 pm — 2:22 pm
UA419
United Airlines
San Francisco — Seattle
|
9h 22m including layover |
Find flight
from$296 |
|
|
7:00 pm — 9:01 pm
|
7:00 pm — 9:01 pm
UA299
United Airlines
Denver — Seattle
|
3h 1m |
Find flight
from$126 |
|
|
7:05 pm — 0:55 am
+1 day
|
7:05 pm — 8:59 pm
UA2681
United Airlines
Denver — San Francisco
1h 36m stop
10:35 pm — 0:55 am
UA1743
United Airlines
San Francisco — Seattle
|
6h 50m including layover |
Find flight
from$194 |
|
|
7:45 am — 2:22 pm
|
7:45 am — 9:40 am
UA2391
United Airlines
Denver — San Francisco
2h 24m stop
12:04 pm — 2:22 pm
UA419
United Airlines
San Francisco — Seattle
|
7h 37m including layover |
Find flight
from$340 |
|
|
7:46 am — 9:49 am
|
7:46 am — 9:49 am
UA204
United Airlines
Denver — Seattle
|
3h 3m |
Find flight
from$116 |
|
|
8:44 pm — 10:45 pm
|
8:44 pm — 10:45 pm
UA2651
United Airlines
Denver — Seattle
|
3h 1m |
Find flight
from$117 |
|
|
9:30 am — 2:22 pm
|
9:30 am — 11:26 am
UA510
United Airlines
Denver — San Francisco
38m stop
12:04 pm — 2:22 pm
UA419
United Airlines
San Francisco — Seattle
|
5h 52m including layover |
Find flight
from$369 |
|
*Departure and arrival times are local. Last updated on 02/23/2025
Flight Information
There are 5 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 11:20 am to 9:30 am. Nonstop flight is 3h 1m. The time difference between Denver and Seattle is 1h.
- The fastest flight 3h 1m
- Average flight time 3h 2m
- The earliest flight 11:20 am
- The latest flight 9:30 am
- Distance 1022 ml
The cheapest months for traveling to Seattle are january (from 116 $), february (from 118 $), december (from 126 $).
The most expensive and popular months are november (from 136 $), december (from 126 $), february (from 118 $).
The cheapest flight by United Airlines that our users were able to find is $116. This airfare is economy class on one-way UA204 flight for February 21, 2025 leaving Denver International in Denver at 7:46 am, it includes all taxes and additional fees.
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 3 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 10 direct flights every day from Denver. Airlines and fares are below:
- from $92Find
- from $30Find
See more direct flights
Connecting Flights
List of flights with layovers (1 and more stops):
- from $146Find
- from $87Find
- Y4 - Volarisfrom $1420Find
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»
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