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Cheap Flights from Seattle to Denver, CO, United States - SEA to DEN

Popular flights from Seattle to Denver

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

Alaska Airlines
Departure Date Return Date Lowest Price
Feb 24, 2016 Mar 2, 2016 $207
Mar 8, 2016 Mar 15, 2016 $207
Apr 6, 2016 Apr 13, 2016 $207
Apr 6, 2016 Apr 12, 2016 $207
Apr 13, 2016 Apr 20, 2016 $207
American Airlines
Departure Date Return Date Lowest Price
Feb 24, 2016 Mar 1, 2016 $212
Feb 24, 2016 Mar 2, 2016 $212
Feb 24, 2016 Mar 2, 2016 $212
Frontier Airlines
Departure Date Return Date Lowest Price
Feb 24, 2016 Mar 2, 2016 $135
Mar 8, 2016 Mar 15, 2016 $135
Apr 6, 2016 Apr 12, 2016 $135
Apr 13, 2016 Apr 20, 2016 $135
May 10, 2016 May 18, 2016 $135
Spirit Airlines
Departure Date Return Date Lowest Price
May 4, 2016 May 10, 2016 $144
United Airlines
Departure Date Return Date Lowest Price
Mar 10, 2016 Mar 23, 2016 $215
May 11, 2016 May 15, 2016 $215
Virgin America
Departure Date Return Date Lowest Price
Mar 15, 2016 Mar 22, 2016 $262

How Much Does it Cost to Fly from Seattle to Denver (SEA to DEN)?

We have collected flight cost data from across the web for travel from Seattle to Denver, and have found the average flight price for this trip to be $149.

When Can I Buy the Cheapest Flight from Seattle to Denver (SEA to DEN)?

Airlines can adjust prices for plane tickets from Seattle to Denver based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Seattle to Denver

The chart below shows up-to-date information regarding how far in advance a flight from Seattle to Denver should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $348 $235
7-14 days $135 $211
14-21 days $135 $211
21-30 days $135 $215
30-60 days $135 $214
60-90 days $135 $144
90+ days $135 $179

Cheapest Day To Fly from Seattle to Denver

The chart below shows up-to-date information regarding the cheapest days to fly from Seattle to Denver.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$168 $135 $135 $159 $155 $136 $161

Lowest Fares Chart By Month from Seattle to Denver

The chart below shows the lowest fare by month when flying from Seattle to Denver.

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Seattle Denver Frontier 2/24/16 3/2/16 0 $135
March Seattle Denver Frontier 3/8/16 3/15/16 0 $135
April Seattle Denver Frontier 4/6/16 4/12/16 0 $135
May Seattle Denver Frontier 5/10/16 5/18/16 0 $135
June Seattle Denver Frontier 6/1/16 6/7/16 0 $163
July Seattle Denver Frontier 7/20/16 7/27/16 0 $148
August Seattle Denver Frontier 8/3/16 8/10/16 0 $148
September Seattle Denver Spirit 9/2/16 9/5/16 1 $220

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Seattle to Denver

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Seattle to Denver.

Next 30 Days

SunMonTueWedThuFriSat
7 8 9 10 11 12 13
$528
14 15 16 17 18 19 20
$528 $239
21 22 23 24 25 26 27
$239 $158
28 29 1 2 3 4 5
$158 $138
6 7 8 9 10 11 12
$138 $138
13 14 15 16 17 18 19
$138

Non-Stop vs Connecting Flights from Seattle to Denver (SEA to DEN)

Your Seattle to Denver flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Seattle to Denver is $226.

The average price for non-stop flights from Seattle to Denver is $194.

The chart below shows up to date information regarding non-stop flights from Seattle to Denver.

Nonstop Flight Details from Seattle to Denver
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 4 4 4 4 4 3 4 06:35 19:55
Delta 4 4 4 4 4 4 4 07:45 18:15
Frontier 2 2 2 2 2 2 2 10:45 19:20
United 4 3 4 4 4 3 4 05:15 18:06

Round Trip vs One Way Flights from Seattle to Denver (SEA to DEN)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Denver. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Seattle to Denver is $102.

The average price for round trip flights from Seattle to Denver is $197.

More Cheap Flights

FlightsAirlineLowest Price
Portland to Denver American, Alaska, Frontier, Spirit, United, Virgin America $137
Vancouver to Denver Pacific Coastal, Central Mountain, American, Air Canada, Alaska, Frontier, United, WestJet $286
Bellingham to Denver American, Alaska $256
Pasco to Denver American, Alaska, United $262
Victoria to Denver Pacific Coastal, American, Air Canada, Alaska, United, WestJet $294
Yakima to Denver American, Alaska $266
Wenatchee to Denver American, Alaska $242
Comox to Denver American, Air Canada, Alaska, United, WestJet $724
Nanaimo to Denver American, Air Canada, Alaska, United, WestJet $440
Penticton to Denver American, Air Canada, Alaska, United, WestJet Check Dates
Seattle to Dallas - Ft Worth American, Alaska, Frontier, Spirit, Sun Country, United, Virgin America $188
Seattle to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $202
Seattle to Colorado Springs American, Alaska, United $269
Seattle to Los Angeles American, Alaska, Spirit, United, Virgin America $87
Seattle to Atlanta American, Alaska, Frontier, Spirit, United $268
Seattle to Las Vegas American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $78
Portland to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $172
Portland to Colorado Springs American, Alaska, United $315
Seattle to New York American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $239
Portland to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $180
Seattle to Phoenix American, Alaska, Frontier, United $218
Portland to Las Vegas American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $78
Seattle to Salt Lake City American, Alaska, United $177
Portland to Los Angeles American, Alaska, Spirit, United, Virgin America $79
Portland to Atlanta American, Alaska, Frontier, Spirit, United $258
Portland to Phoenix American, Alaska, Frontier, United $238
Vancouver to Los Angeles Pacific Coastal, American, Air Canada, Alaska, JetBlue, Spirit, United, Virgin America, WestJet $138
Portland to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $284
Seattle to Minneapolis - St Paul American, Alaska, Frontier, Sun Country, United $233
Vancouver to Las Vegas Pacific Coastal, Central Mountain, American, Air Canada, Alaska, Spirit, United, WestJet $219

Airlines Flying from Seattle to Denver (SEA to DEN)

Below are the different airlines that fly from Seattle to Denver with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Seattle to Denver.

Seattle to Denver
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska - X X X X X X X
Delta - X X X X X X X
Delta DTW X X X X X X X
Frontier - X X X X X X X
United - X X X X X X X
United SFO X X X X X X X
Southwest - X X X X X X X
Southwest SMF X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Seattle and Denver, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Seattle to Denver Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from Seattle to Denver?
Answer: The average Seattle to Denver flight time is 2 hours and 35 minutes.
Question: How many miles are there between Seattle and Denver?
Answer: The distance from Seattle to Denver is 1021 miles.
Question: How common are direct flights from Seattle to Denver?
Answer: There are 95 direct flights from Seattle to Denver.
Question: What is the most popular airline for non-stop flights from Seattle to Denver?
Answer: Delta Air Lines provides 29% of the non-stop flights between Seattle and Denver.
Question: What are the most popular connecting cities when flying from Seattle to Denver?
Answer: Phoenix, AZ
Seattle (SEA) To Denver, CO (DEN) Flights: Cheap Flights From Seattle To Denver | FareCompare.