Price observed over the last 3 months for a round trip.

Cheapest flight tickets
Price observed over the last 3 months for a round trip.
Average price of a round trip
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
A flight from Seattle to Denver takes on average 2h37.
Best time
According to user searches, the ideal month to go to Denver is February.
Check out our tips for booking your flight to Denver (USA) from Seattle (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is March, with an average flight ticket price of $115 (calculation over the last two years). The most touristic season corresponds to the months of October, April and November.
For the cheapest flights, it is advisable to buy your ticket at least 48 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to Denver costs on average $207.
The airlines that offer the most flights are Alaska Airlines, Frontier Airlines and United Airlines.
Here is some information and tips to know before booking your flight:
Seattle is a city in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {fromLocalTime}, the temperature is on average 17°C, with a minimum of 11°C and a maximum of 24°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Denver is in the country USA, the time zone is [[timezone]]. In Denver, it is currently {toLocalTime}, the temperature is on average 10°C, with a minimum of 5°C and a maximum of 16°C.
The city of Denver has 3 airport(s): Denver, Rocky Mountain and Centennial
If you want to visit Denver during the least touristic period, choose the month of February.
In Denver, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
According to our data, it is recommended to book your flight 48 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Seattle to Denver is Sunday.
When you leave, you can leave from Seattle-Tacoma, and you will arrive at Denver.
The airport Kenmore Air Harbor Spb. is located 3 km, Seattle-Tacoma is located 16 km, Renton is located 16 km or King County is located 8 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Airplane is the only means of transportation listed on Liligo for this journey.
In summer, the average temperature is 22°C in Denver and 18°C in Seattle. The average rainfall in summer is 50 mm in Denver and 38 mm in Seattle. In summer, it is warmer in Denver and it rains less in Seattle. In winter, it is colder in Seattle and it rains more in Seattle.