$127 Cheap Flights from Aspen (ASE) to Seattle (SEA)

View $127 flight on Fri, Feb 6, 2026Opens in a new window

Popular airlines from Aspen/Pitkin County Airport (ASE) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Aspen to Seattle (ASE-SEA)

Prices were available within the past 7 days and start at $127 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Mar 5 - Sun, Mar 8
ASE
Aspen
SEA
Seattle
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select United flight, departing Thu, Mar 5 from Aspen to Seattle, returning Sun, Mar 8, priced at $269 found 3 days ago
United
Fri, Feb 6 - Mon, Feb 9
ASE
Aspen
SEA
Seattle
$274 Roundtrip, found 4 days ago
$274
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 6 from Aspen to Seattle, returning Mon, Feb 9, priced at $274 found 4 days ago
United
Fri, Feb 6 - Mon, Feb 9
ASE
Aspen
SEA
Seattle
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 6 from Aspen to Seattle, returning Mon, Feb 9, priced at $282 found 4 days ago
United
Sat, Jan 17 - Thu, Jan 22
ASE
Aspen
SEA
Seattle
$283 Roundtrip, found 6 days ago
$283
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jan 17 from Aspen to Seattle, returning Thu, Jan 22, priced at $283 found 6 days ago
United
Sat, Jan 17 - Wed, Jan 21
ASE
Aspen
SEA
Seattle
$284 Roundtrip, found 6 days ago
$284
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jan 17 from Aspen to Seattle, returning Wed, Jan 21, priced at $284 found 6 days ago
United
Sat, Jan 17 - Thu, Jan 22
ASE
Aspen
SEA
Seattle
$288 Roundtrip, found 6 days ago
$288
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jan 17 from Aspen to Seattle, returning Thu, Jan 22, priced at $288 found 6 days ago
United
Sat, Jan 17 - Thu, Jan 22
ASE
Aspen
SEA
Seattle
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jan 17 from Aspen to Seattle, returning Thu, Jan 22, priced at $298 found 6 days ago
American Airlines
Thu, Dec 18 - Wed, Jan 7
ASE
Aspen
SEA
Seattle
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Dec 18 from Aspen to Seattle, returning Wed, Jan 7, priced at $339 found 1 day ago
Alaska Airlines
Tue, Jan 6 - Sat, Jan 10
ASE
Aspen
SEA
Seattle
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Aspen to Seattle, returning Sat, Jan 10, priced at $339 found 4 days ago
Delta
Fri, Jan 16 - Thu, Jan 22
ASE
Aspen
SEA
Seattle
$352 Roundtrip, found 6 days ago
$352
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jan 16 from Aspen to Seattle, returning Thu, Jan 22, priced at $352 found 6 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $364
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $364

Frequently asked questions

How much does a flight from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA) cost?
Secure a cheap one-way flight from $127 or cheap return flight from $269 from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in March can help you save, as it's the cheapest month for flights between ASE and SEA. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA)?
While Aspen, CO (ASE-Pitkin County) doesn't offer any direct flights to Seattle - Tacoma Intl. Airport (SEA), other airports have nonstop options. Traveling from Eagle County Regional Airport (EGE) will get you to Seattle without any layovers.
What is the cheapest airline that flies from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ASE to SEA. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA)?
There are no daily direct flights departing from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from ASE to SEA?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from ASE to SEA just before your journey is typically more expensive. However, if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book an ASE to SEA flight and hotel package?
You'll typically save money by securing an ASE to SEA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Pitkin County Airport (ASE) to Seattle - Tacoma Intl. Airport (SEA)?
In most cases, you can modify or cancel your ASE to SEA flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Pitkin County
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
$268
Distance
958 mi

Book with confidence

Aspen to Seattle Flights

The cheapest times to fly from Aspen to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Aspen to Seattle are during the month of March. You can find some of the cheapest flights from Aspen to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Aspen to Seattle

Sunday is one of the best days to book for cheap flights from Aspen to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Aspen to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Aspen to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Aspen to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Aspen to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Aspen to Seattle Flights

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*Available to One Key members.