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Airports in Seattle
When you’re planning your trip from Denver to Seattle, the most popular airport-to-airport route is Denver Intl Airport to Seattle/Tacoma Intl Airport. You may be looking for an airport near Denver Intl Airport to depart from when traveling to Seattle and Colorado Springs Airport, located in Colorado Springs is a great option. You may be looking for an airport near Seattle/Tacoma Intl Airport to land at when traveling from Denver and Everett Paine Field Airport, located in Everett is a great option. The cheapest route from Denver to Seattle is DEN — SEA with an average price of $55 RT during the month of September.
|Spirit Airlines||PriceFrom $45||Free Cancellation||Rating|
|Frontier||PriceFrom $51||Free Cancellation||Rating|
|Delta||PriceFrom $89||Free Cancellation||Rating|
|Alaska Airlines||PriceFrom $89||Free Cancellation||Rating|
|United Airlines||PriceFrom $97||Free Cancellation||Rating|
|American Airlines||PriceFrom $149||Free Cancellation||Rating|
Alaska Airlines operates around 14 flights from Denver to Seattle every week. The average price of these flights found in the last 72 hours has been $237, but momondo users have found Alaska Airlines deals from Denver to Seattle from as low as $89 round-trip. Alaska Airlines has been scored 7.9/10 in 3,001 reviews.
The best Delta deal for Denver to Seattle flight tickets found on momondo in the last 72 hours was $89, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $238 round-trip. Delta operates 17 flights out of Denver into Seattle in an average week, so prices vary by time and availability. 1,565 Delta reviews by users on momondo have scored the airline at 7.8/10.
A flight from Denver Intl to Seattle/Tacoma Intl will travel around 1019.6 mi. 3h 02m is a normal flight duration for this route.
Prices for flights from Denver Intl Airport to Seattle/Tacoma Intl Airport were last updated today.
As of September 2023, there are 7 operators available to choose from for flights from Denver Intl Airport to Seattle/Tacoma Intl Airport.
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Seattle/Tacoma Intl Airport.
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Seattle for you.
Flights from Denver to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
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