Menu

Cheap flights from Seattle-Tacoma International to Denver (SEA - DEN)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Seattle-Tacoma International to Denver are usually found in February or January, booked 26 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

How to find the cheapest flight from
Seattle-Tacoma International (SEA) to Denver (DEN)

SEA - DEN
Price
$153 - $229
DEN
Temperature
44.6 - 89.6 °F
DEN
Rainfall
0.5 - 2.7 inches
Popular in July High demand for flights, 21% potential price rise
Cheapest in February Best time to find cheap flights, 15% potential price drop
Round-trip from £153 From Seattle-Tacoma International to Denver
One-way from £109 One-way flight from Seattle-Tacoma International to Denver
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle-Tacoma International to Denver?

Flights from Seattle-Tacoma International to Denver are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Denver.

How far in advance should I book a flight from Seattle-Tacoma International to Denver?

Users have found that booking a flight from Seattle-Tacoma International to Denver at least 57 days early can save you up to 12% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from Seattle-Tacoma International to Denver for as little as $116 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $131 for flights departing within the next 3 days.

When is the cheapest time to fly from Seattle-Tacoma International to Denver (SEA - DEN)?

It’s typically best to fly out from Seattle-Tacoma International to Denver at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Seattle-Tacoma International to Denver in September, October 2020

The best prices found for SEA to DEN flights for September, October
4 Oct - 14 Oct
$82pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
4 Oct - 6 Oct
$87pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
14 Oct - 18 Oct
$88pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl

Seattle-Tacoma International to Denver 2020 flight deals

Cheap flights to Denver from Seattle-Tacoma International found for this year
4 Oct - 14 Oct
$82pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
5 Nov - 9 Nov
$85pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
6 Nov - 9 Nov
$86pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Denver from Seattle-Tacoma International

Save time with Seattle-Tacoma International to Denver direct flight deals
4 Oct - 14 Oct
$82pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
4 Oct - 6 Oct
$87pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
14 Oct - 18 Oct
$88pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle-Tacoma International to Denver

Late deals on round-trip flights to Denver from Seattle-Tacoma International, departing today and this week
4 Oct - 14 Oct
$82pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
4 Oct - 6 Oct
$87pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
5 Oct - 7 Oct
$92pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to Denver from Seattle-Tacoma International

The cheapest one-way flights from Seattle-Tacoma International to Denver
7:32 am - 4:39 pm
Spirit Airlines
1 Stop
8h 07m
SEA - DEN
Spirit Airlines
$109
FareScan
3:26 am - 1:01 pm
Delta
1 Stop
8h 35m
SEA - DEN
Delta
$111
Delta
9:30 am - 2:26 am
Multiple Airlines
2 Stops
15h 56m
SEA - DEN
Multiple Airlines
$115
Gotogate

Related info for your journey

Useful info, stats and facts about Seattle-Tacoma International to Denver flights.

Flight FAQs

From Seattle-Tacoma International to Denver

Are flight prices decreasing from Redmond to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Redmond and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Seattle-Tacoma International to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from Seattle-Tacoma International to Denver for under $100. The cheapest flight booked recently is on Multiple Airlines for just $82, but on average you can expect to pay $93.

Are there nonstop flights from Seattle-Tacoma International to Denver for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle-Tacoma International to Denver under $100. A good price for a nonstop flight from Seattle-Tacoma International to Denver is less than $103.

Are there last-minute flights available from Seattle-Tacoma International to Denver for under $100?

There are currently 20+ open flights from Seattle-Tacoma International to Denver within the next 7 days for less than $100.

What days are nonstop flights available from Redmond to Denver?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday.

How many flights depart from Seattle-Tacoma International to Denver on average per day?

Per day, 9 flights depart from Seattle/Tacoma Intl to Denver Intl on average.
Early Morning (Midnight to 6am) - 11% of flight departures
Morning (6am - Noon) - 11% of flight departures
Afternoon (Noon - 6pm) - 44% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

Does it rain more in Redmond or Denver?

In Redmond, there will be same rainfall in Redmond compared to Denver over the next 10 days.

How long is the flight from Seattle-Tacoma International to Denver?

Departing from Seattle-Tacoma International to Denver will take you 2h 37m. Seattle-Tacoma International and Denver are separated by a distance of 1028 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Seattle-Tacoma International to Denver round-trip?

Spirit Airlines, at $85, was found to be the cheapest airline from Seattle-Tacoma International to Denver. An alternate airline flying to your destination would be Delta. Spirit Airlines is currently priced 52% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Seattle-Tacoma International to Denver one-way?

The cheapest airlines for a one-way flight from Seattle-Tacoma International to Denver are Spirit Airlines ($45) and Delta ($49).

Alternative routes for Seattle-Tacoma International to Denver

Destination information for Denver

Things to know before you go. Useful info for your trip from Seattle-Tacoma International to Denver
Flight duration
2h 48m
Average temperature for September in Denver
78.8 °F
Avg rainfall for September in Denver
1.1 ″

Airports servicing Seattle

Airports servicing Denver

Hourly flight availability from Seattle-Tacoma International to Denver

Evening 6 PM to midnight 42% of SEA to DEN departures
Morning 6 AM to noon 26% of SEA to DEN departures
Afternoon Noon to 6 PM 24% of SEA to DEN departures
Early morning Midnight to 6 AM 8% of SEA to DEN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle-Tacoma International to Denver
Sunday
22 daily flights
Monday
22 daily flights
Tuesday
18 daily flights
Wednesday
19 daily flights
Thursday
22 daily flights
Friday
22 daily flights
Saturday
16 daily flights
Home North America USA Colorado Denver Cheap flights from Seattle-Tacoma International to Denver