The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Denver to Seattle

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of December. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.

Filter by

week: 14 Dec - 20 Dec

Flights from just £69

£109

£85

£142

£188

£79

£69

£95

£111

£89

£85

NovemberDecemberJanuary

Flight Duration3 h and 14 mFlights between Denver and Seattle take, on average, 3 h and 14 m minutes, but the time can vary according to other factors

Cheapest flight£51Cheapest price for a flight between Denver and Seattle found by our customers in the last 72 hours

Origin airportDenver International AirportWhen flying from Denver to Seattle

Destination airportSeattle-Tacoma International AirportFor the route from Denver to Seattle

High seasonMarchAccording to search data from our customers, March is the busiest time to fly from Denver to Seattle

Airlines flying this routeAlaska Airlines, Frontier AirlinesAirline(s) with flights between Denver to Seattle

One-way average Price£102The average price for a flight Denver - Seattle at Opodo is £102, based on the price of last 6 months

Best time to bookMarchAccording to real data December is the most popular time to book a flight to Seattle when departing from Denver

Exchange rate

1 GBP = 1.34 USD

1 USD = 0.75 GBP

Last checked on Tue 10/11

Distance: 1,020 mi

Denver airports

Seattle airports

Seattle-Tacoma International Airport (SEA)How far from city centre: 11 mi

Book your Denver to Seattle flight

Search direct and connecting flights from Denver to Seattle (United States) with Opodo. When your results appear, sort them by timing or fare and book whichever option fits your plans best.

The cheapest fare booked on this route in recent days was £51, although the price you're shown will vary with your travel dates and departure times.

Flying non-stop from Denver to Seattle takes roughly 5 h and 36 m, whereas journeys with a layover will take longer.

Airports and airlines on the Denver–Seattle route

Plan your trip with confidence by checking the relevant airports and comparing the airlines that fly this route.

Arrival airport: Seattle-Tacoma International Airport (SEA)

The weather in Seattle

The best time to go may come down to the kind of weather you most enjoy. In Seattle, temperatures average around 23ºC in the warmest months and roughly 2ºC in the coldest. Bear this in mind when deciding what to pack and planning time outdoors.

Highs: up to 25ºC
Lows: down to 2ºC
Hottest month: August
Coldest month: December
Driest month: July
Wettest month: November

Tips for cheaper flights from Denver to Seattle

A few ways to bring down the cost of your flight from Denver to Seattle:

Flexible dates: check fares across two or three departure days. Going a day earlier or later can make a real difference to what you pay.
Baggage allowance: see what's included in each fare before booking, so you're not stung by unexpected charges at the airport.
Airports on your route: double-check which airports you'll fly from and into, particularly if the city has more than one. It makes it easier to plan transfers and work out the full cost of getting around.

After a bigger saving? Book a Flight + Hotel package to combine the two in a single booking and unlock exclusive discounts on your stay in Seattle. Adding car hire to the same booking can save you money too.

Frequently asked questions about flights from Denver to Seattle

On average, how much is the price of a flight from Denver to Seattle?

When you fly from Denver to Seattle the average price is £102. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.

How can I find cheap flights from Denver to Seattle at Opodo?

The cheapest price for a flight from Denver to Seattle is 51 £. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.

When is the best time to book a flight from Denver to Seattle?

The most popular months to book a flight from Denver to Seattle are December, September and August, based on the searches of our customers.

When is the best time to travel from Denver to Seattle?

The best time of the year to go to Seattle when flying from Denver depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, March is the top 1º month to fly to Seattle from Denver in terms of searches from our customer, followed by February and September. If you prefer to avoid high peaks of turism, however, and escape a crowded period, November, October and January are the months with less volume of searchs for the route Denver - Seattle.

How long does the flight take to go from Denver to Seattle?

The total flight time between Denver and Seattle is of around 3 h and 14 m on average, considering an average distance of 1,019.72 mi, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).

How is the weather in Seattle compared to Denver?

While in Denver temperatures can reach an average of 22º ºC in summer, Seattle can experience temperatures up to 18º ºC during the hot season. In winter, however, the weather shows around 6º ºC in Seattle, compared to the -1º ºC average in Denver.

Which are the airlines with flights from Denver to Seattle?

Airlines with direct flights departing from Denver to Seattle are:

Frontier Airlines.
Alaska Airlines.

Frontier Airlines

American Airlines

Plan your trip

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