Cheap Flights from Seattle, WA to Denver, CO from $28

One way Round trip

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On Cheapflightsplus.com you will find 71 direct and 167 connecting flights from Seattle to Denver. You can compare airfare deals from 8 airlines and multiple travel sites from $28, 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: $28 (one-way), $48 (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 $28. The fastest direct flight takes 2h 30m and the fastest connecting – 3h 51m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $28 Find flight	07:00 Seattle Seattle-Tacoma Intl	10:39 Denver Denver International	2h 39m	Frontier Airlines	F9144
from $28 Find flight	14:10 Seattle Seattle-Tacoma Intl	17:53 Denver Denver International	2h 43m	Frontier Airlines	F9142
from $34 Find flight	07:45 Seattle Seattle-Tacoma Intl	11:30 Denver Denver International	2h 45m	Alaska Airlines	AS682
from $34 Find flight	12:40 Seattle Seattle-Tacoma Intl	16:25 Denver Denver International	2h 45m	Alaska Airlines	AS1474
from $34 Find flight	14:05 Seattle Seattle-Tacoma Intl	17:35 Denver Denver International	2h 30m	Alaska Airlines	AS668
from $34 Find flight	19:55 Seattle Seattle-Tacoma Intl	23:26 Denver Denver International	2h 31m	Alaska Airlines	AS1151
from $35 Find flight	09:35 Seattle Seattle-Tacoma Intl	13:20 Denver Denver International	2h 45m	Alaska Airlines	AS674
from $38 Find flight	07:39 Seattle Seattle-Tacoma Intl	11:31 Denver Denver International	2h 52m	Delta Air Lines Inc.	DL1609
from $38 Find flight	09:40 Seattle Seattle-Tacoma Intl	13:22 Denver Denver International	2h 42m	Delta Air Lines Inc.	DL946
from $38 Find flight	09:47 Seattle Seattle-Tacoma Intl	13:25 Denver Denver International	2h 38m	Delta Air Lines Inc.	DL749
from $38 Find flight	10:45 Seattle Seattle-Tacoma Intl	14:30 Denver Denver International	2h 45m	Delta Air Lines Inc.	DL1477
from $38 Find flight	11:40 Seattle Seattle-Tacoma Intl	15:21 Denver Denver International	2h 41m	Delta Air Lines Inc.	DL1418

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on October 17, 2024

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
05:20 — 08:55	05:20 — 08:55 UA2436 United Airlines Seattle — Denver	2h 35m	Find flight from$46
05:23 — 09:05	05:23 — 09:05 UA318 United Airlines Seattle — Denver	2h 42m	Find flight from$46
05:45 — 09:15	05:45 — 09:15 WN4521 Southwest Airlines Seattle — Denver	2h 30m	Find flight from$48
05:50 — 09:20	05:50 — 09:20 WN1963 Southwest Airlines Seattle — Denver	2h 30m	Find flight from$48
06:00 — 09:35	06:00 — 09:35 WN270 Southwest Airlines Seattle — Denver	2h 35m	Find flight from$48
06:00 — 09:40	06:00 — 09:40 WN4239 Southwest Airlines Seattle — Denver	2h 40m	Find flight from$48
06:05 — 09:45	06:05 — 09:45 WN128 Southwest Airlines Seattle — Denver	2h 40m	Find flight from$48
06:05 — 09:45	06:05 — 09:45 WN3296 Southwest Airlines Seattle — Denver	2h 40m	Find flight from$48
06:40 — 10:15	06:40 — 10:15 WN166 Southwest Airlines Seattle — Denver	2h 35m	Find flight from$48
07:00 — 10:39	07:00 — 10:39 F9144 Frontier Airlines Seattle — Denver	2h 39m	Find flight from$28
07:39 — 11:31	07:39 — 11:31 DL1609 Delta Air Lines Inc. Seattle — Denver	2h 52m	Find flight from$38
07:45 — 11:30	07:45 — 11:30 AS682 Alaska Airlines Seattle — Denver	2h 45m	Find flight from$34
07:45 — 11:17	07:45 — 11:17 DL959 Delta Air Lines Inc. Seattle — Denver	2h 32m	Find flight from$41
08:30 — 12:15	08:30 — 12:15 WN480 Southwest Airlines Seattle — Denver	2h 45m	Find flight from$49
08:40 — 12:11	08:40 — 12:11 UA403 United Airlines Seattle — Denver	2h 31m	Find flight from$46
08:50 — 12:30	08:50 — 12:30 WN3514 Southwest Airlines Seattle — Denver	2h 40m	Find flight from$48
09:00 — 12:35	09:00 — 12:35 WN1976 Southwest Airlines Seattle — Denver	2h 35m	Find flight from$48
09:00 — 12:40	09:00 — 12:40 WN742 Southwest Airlines Seattle — Denver	2h 40m	Find flight from$77
09:35 — 13:20	09:35 — 13:20 AS674 Alaska Airlines Seattle — Denver	2h 45m	Find flight from$35
09:40 — 13:22	09:40 — 13:22 DL946 Delta Air Lines Inc. Seattle — Denver	2h 42m	Find flight from$38
09:47 — 13:25	09:47 — 13:25 DL749 Delta Air Lines Inc. Seattle — Denver	2h 38m	Find flight from$38
10:00 — 13:45	10:00 — 13:45 WN3051 Southwest Airlines Seattle — Denver	2h 45m	Find flight from$48
10:10 — 14:00	10:10 — 14:00 WN1967 Southwest Airlines Seattle — Denver	2h 50m	Find flight from$48
10:45 — 14:30	10:45 — 14:30 DL1477 Delta Air Lines Inc. Seattle — Denver	2h 45m	Find flight from$38
11:05 — 14:40	11:05 — 14:40 UA2488 United Airlines Seattle — Denver	2h 35m	Find flight from$46
11:05 — 14:40	11:05 — 14:40 WN826 Southwest Airlines Seattle — Denver	2h 35m	Find flight from$48
11:40 — 15:21	11:40 — 15:21 DL1418 Delta Air Lines Inc. Seattle — Denver	2h 41m	Find flight from$38
12:05 — 15:50	12:05 — 15:50 WN3035 Southwest Airlines Seattle — Denver	2h 45m	Find flight from$48
12:30 — 16:10	12:30 — 16:10 WN2656 Southwest Airlines Seattle — Denver	2h 40m	Find flight from$65
12:39 — 16:19	12:39 — 16:19 UA2493 United Airlines Seattle — Denver	2h 40m	Find flight from$46
12:40 — 16:25	12:40 — 16:25 AS1474 Alaska Airlines Seattle — Denver	2h 45m	Find flight from$34
13:00 — 16:35	13:00 — 16:35 WN2706 Southwest Airlines Seattle — Denver	2h 35m	Find flight from$49
13:25 — 17:08	13:25 — 17:08 DL745 Delta Air Lines Inc. Seattle — Denver	2h 43m	Find flight from$38
13:50 — 17:35	13:50 — 17:35 WN1177 Southwest Airlines Seattle — Denver	2h 45m	Find flight from$48
14:00 — 17:35	14:00 — 17:35 WN293 Southwest Airlines Seattle — Denver	2h 35m	Find flight from$48
14:05 — 17:35	14:05 — 17:35 AS668 Alaska Airlines Seattle — Denver	2h 30m	Find flight from$34
14:05 — 17:35	14:05 — 17:35 AS920 Alaska Airlines Seattle — Denver	2h 30m	Find flight from$42
14:10 — 17:53	14:10 — 17:53 F9142 Frontier Airlines Seattle — Denver	2h 43m	Find flight from$28
14:17 — 17:49	14:17 — 17:49 UA773 United Airlines Seattle — Denver	2h 32m	Find flight from$46
15:40 — 19:10	15:40 — 19:10 UA2495 United Airlines Seattle — Denver	2h 30m	Find flight from$46
15:40 — 19:20	15:40 — 19:20 WN4156 Southwest Airlines Seattle — Denver	2h 40m	Find flight from$48
16:10 — 19:49	16:10 — 19:49 DL1620 Delta Air Lines Inc. Seattle — Denver	2h 39m	Find flight from$38
16:45 — 20:15	16:45 — 20:15 WN1787 Southwest Airlines Seattle — Denver	2h 30m	Find flight from$48
17:00 — 20:37	17:00 — 20:37 DL794 Delta Air Lines Inc. Seattle — Denver	2h 37m	Find flight from$38
18:15 — 21:50	18:15 — 21:50 WN1565 Southwest Airlines Seattle — Denver	2h 35m	Find flight from$49
18:25 — 22:13	18:25 — 22:13 AS1170 Alaska Airlines Seattle — Denver	2h 48m	Find flight from$48
18:55 — 22:25	18:55 — 22:25 WN1205 Southwest Airlines Seattle — Denver	2h 30m	Find flight from$48
19:10 — 22:47	19:10 — 22:47 DL1421 Delta Air Lines Inc. Seattle — Denver	2h 37m	Find flight from$38
19:20 — 22:53	19:20 — 22:53 AS684 Alaska Airlines Seattle — Denver	2h 33m	Find flight from$42
19:30 — 23:07	19:30 — 23:07 DL1189 Delta Air Lines Inc. Seattle — Denver	2h 37m	Find flight from$38
19:55 — 23:26	19:55 — 23:26 AS1151 Alaska Airlines Seattle — Denver	2h 31m	Find flight from$34
20:15 — 23:45	20:15 — 23:45 WN2378 Southwest Airlines Seattle — Denver	2h 30m	Find flight from$48

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

*Departure and arrival times - local. Updated on October 17, 2024

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 00:20 to 23:50 from 3 Seattle airports and arrive 00:20 to 23:50 to 2 Denver airports. Average flight time is 2h 37m.

The fastest flight 2h 30m
Average flight time 2h 37m
The earliest flight 00:20
The latest flight 23:50
Distance 1022 ml

What is the lowest airfare Seattle to Denver?

The cheapest plane ticket found by our users is $28. This airfare is for economy class on one-way F9142 flight by Frontier Airlines for September 6, 2020 which leaves Seattle-Tacoma Intl in Seattle at 14:10 am and arrives at Denver Denver International at 17:53.

Economy class

$28

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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 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by American Airlines - 17 departures per week at the price of from $ 56 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 880.

Direct flights

There are 71 nonstop flights on the route. The fastest direct flight is AS668 by Alaska Airlines takes 2h 30m and the cheapest is F9142 by Frontier Airlines for $28.

AS - Alaska Airlines

from $34

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F9 - Frontier Airlines

from $28

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WN - Southwest Airlines

from $48

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DL - Delta Air Lines Inc.

from $38

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UA - United Airlines

from $46

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Connecting Flights

There are 167 flights with layovers on the route. The fastest connecting flight is DL1380 by Delta Air Lines Inc. takes 3h 51m and the cheapest is F9142 by Frontier Airlines for $29.

AA - American Airlines

from $56

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AS - Alaska Airlines

from $72

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F9 - Frontier Airlines

from $55

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WN - Southwest Airlines

from $117

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DL - Delta Air Lines Inc.

from $33

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UA - United Airlines

from $49

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NK - Spirit Airlines

from $29

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SY - Sun Country Airlines

from $118

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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 $28
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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 8 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.

Airbus A321

from $28

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Airbus A320

from $28

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Boeing 737-800

from $33

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Boeing 737-900

from $33

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Boeing 737-900 (winglets)

from $34

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Boeing 737-800 (winglets)

from $35

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Boeing 757

from $37

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Airbus A321-100/200

from $38

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Boeing 757-200

from $38

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Boeing 757-300

from $38

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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 — Spokane

from $65

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Seattle — Phoenix

from $67

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Seattle — Los Angeles

from $53

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Seattle — Houston

from $59

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Seattle — Charlotte

from $63

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Seattle — Miami

from $66

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Seattle — Milwaukee

from $75

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Seattle — Tucson

from $79

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Seattle — Denver

from $243

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Seattle — San Antonio

from $54

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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 — Frankfurt

from $60

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Seattle — Sydney

from $56

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Seattle — Dublin

from $76

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Seattle — London

from $70

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Seattle — Berlin

from $67

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Seattle — Rome

from $59

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Seattle — Manila

from $56

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Seattle — Barcelona

from $78

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Seattle — Dubai

from $79

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Seattle — Venice

from $53

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All flights from Seattle | All flights to Denver

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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