What’s the cost of a flight from Seattle to Denver?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Denver.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Airport options between Seattle and Denver

Even for routes around 1645 km, using different airports might affect flight cost and travel time.

• Airports in Seattle: You can fly from 2 airports in Seattle - Boeing Field, Lake Union.
• Airports in Denver: Denver is the only functioning airport.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Customize your flight from Seattle to Denver

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about United States? You might also consider: Las Vegas, Los Angeles, Miami, New York City, Orlando.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.