What's the cheapest day to fly in December?

We don't have enough real fare data for December to identify a cheapest weekday.

Is December a good time to visit Denver?

Check the real weather data above for Denver in December — we don't have crowd or event data to add beyond that.

Should I book now or wait?

There's no reliable way to predict whether a specific fare will rise or fall. If the real December fares above already fit your budget, booking removes the risk of the price changing.

Voydly

Support

Search Seattle → Denver in December

Compare flights, hotels, cars, and activities for this trip in one place.

500+airlines & travel sites compared

1,200+routes tracked

€0booking fees from us

Flights from Seattle to Denver in December

Planning a trip from Seattle to Denver in December? Find the best flights and seasonal tips. Flight time: 2h 26m.

Flying in December

Denver typically sees daytime highs around 11°C and overnight lows around -2°C in December, based on the last 3 years. Expect roughly 9 mm of rain across the month.

Nearby airports

Near Seattle

Boeing Field King County International Airport (BFI)9 km
Tacoma Narrows Airport (TIW)29 km
Snohomish County (Paine Field) Airport (PAE)51 km

Near Denver

Rocky Mountain Metropolitan Airport (BJC)38 km

Fly Seattle to Denver in a different month

January February March April May June July August September October November

More about this route

All flights Seattle to Denver Direct flights Seattle to Denver Best time to fly Cheapest day to fly

FAQs — Seattle to Denver in December

We don't have real fare data for December on this route yet — use the search box above for live prices.