$240+ Cheap flights from Seattle to Aspen (SEA - ASE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ASE
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Aspen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Aspen
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Best
Last-minute
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Cheapest flights from Seattle to AspenExplore the most affordable flight options available from Seattle to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from Seattle to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:00 am -
1 stop6h 34m
Tue 10/278:45 am -
1 stop6h 09m
Deal found 9/17![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:43 pm -
1 stop6h 38m
Thu 10/229:40 am -
1 stop5h 37m
Deal found 9/14![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:20 pm -
1 stop5h 47m
Tue 10/208:30 am -
1 stop5h 51m
Deal found 9/15![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:27 pm -
1 stop4h 54m
Sun 10/186:05 pm -
1 stop5h 54m
Deal found 9/17![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:30 am -
1 stop5h 08m
Thu 10/292:17 pm -
1 stop8h 33m
Deal found 9/14![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:05 am -
1 stop4h 41m
Thu 11/122:17 pm -
1 stop8h 33m
Deal found 9/15![United Airlines logo]()
$559
Best flights from Seattle to AspenDiscover carefully curated flight deals from Seattle to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from Seattle to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:00 am -
1 stop6h 34m
Tue 10/278:45 am -
1 stop6h 09m
Deal found 9/17![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/249:50 am -
1 stop8h 14m
Sun 2/287:34 pm -
1 stop14h 17m
Deal found 9/17![Alaska Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/135:05 am -
1 stop4h 37m
Wed 12/1611:23 am -
1 stop8h 01m
Deal found 9/18![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:43 pm -
1 stop6h 38m
Thu 10/229:40 am -
1 stop5h 37m
Deal found 9/14![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:20 pm -
1 stop5h 47m
Tue 10/208:30 am -
1 stop5h 51m
Deal found 9/15![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:27 pm -
1 stop4h 54m
Sun 10/186:05 pm -
1 stop5h 54m
Deal found 9/17![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/208:30 am -
1 stop7h 26m
Sat 2/275:00 pm -
1 stop5h 12m
Deal found 9/17![United Airlines logo]()
$525
Last-minute flights from Seattle to AspenDiscover last-minute flight deals from Seattle to Aspen. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Aspen. Data last updated September 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:27 pm -
1 stop6h 24m
Mon 10/56:05 pm -
1 stop5h 54m
Deal found 9/15![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:20 pm -
1 stop5h 47m
Tue 10/208:30 am -
1 stop5h 51m
Deal found 9/15![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:43 pm -
1 stop6h 38m
Thu 10/229:40 am -
1 stop5h 37m
Deal found 9/14![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:27 pm -
1 stop4h 54m
Sun 10/186:05 pm -
1 stop5h 54m
Deal found 9/17![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:00 am -
1 stop6h 34m
Tue 10/278:45 am -
1 stop6h 09m
Deal found 9/17![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:30 am -
1 stop5h 08m
Thu 10/292:17 pm -
1 stop8h 33m
Deal found 9/14![United Airlines logo]()
$557
One-way flights from Seattle to AspenSearch for one-way flight options from Seattle to Aspen. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from Seattle to Aspen. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/255:07 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$240
This deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:00 am -
1 stop4h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:16 pm -
1 stop7h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$291
This deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:19 pm -
1 stop5h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:55 pm -
1 stop4h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:14 pm -
1 stop14h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$393
Find flight deals from Seattle to Aspen
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Aspen (ASE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $479 (United Airlines) |
One-way from | $240 (United Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $668 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Aspen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 18, 2026.
Use the filters below to find and compare flights from Seattle to Aspen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Mon 1/25
6:57 am-4:15 pm
2 stops8h 18m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$245
Quickest round-trip
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Sun 10/18
5:00 am-10:36 am
1 stop4h 36m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$280
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Mon 10/5
6:30 am-5:18 pm
2 stops9h 48m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$296
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Fri 9/25
3:55 pm-9:51 pm
1 stop4h 56m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$321
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Sun 10/18
5:00 am-12:34 pm
1 stop6h 34m
Aspen Pitkin County
Tue 10/27
8:45 am-1:54 pm
1 stop6h 09m
$479
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Sun 12/13
5:05 am-10:42 am
1 stop4h 37m
Aspen Pitkin County
Wed 12/16
11:23 am-6:24 pm
1 stop8h 01m
$479
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Thu 10/15
12:43 pm-8:21 pm
1 stop6h 38m
Aspen Pitkin County
Thu 10/22
9:40 am-2:17 pm
1 stop5h 37m
$502
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Tue 10/13
1:20 pm-8:07 pm
1 stop5h 47m
Aspen Pitkin County
Tue 10/20
8:30 am-1:21 pm
1 stop5h 51m
$509
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Thu 10/15
2:27 pm-8:21 pm
1 stop4h 54m
Aspen Pitkin County
Sun 10/18
6:05 pm-10:59 pm
1 stop5h 54m
$524
SeattleAspen
SEA Seattle/Tacoma Intl - ASE Aspen Pitkin County
SEAASE
Seattle/Tacoma Intl
Sat 2/20
8:30 am-4:56 pm
1 stop7h 26m
Aspen Pitkin County
Sat 2/27
5:00 pm-9:12 pm
1 stop5h 12m
$525
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Seattle to Aspen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Aspen in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Aspen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Aspen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Aspen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Aspen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Aspen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Aspen
Have a flexible travel schedule? Discover the best time to fly to Aspen from Seattle with our price prediction graph.
SEA-ASE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Aspen
Get insights into the airlines that provide service to Aspen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Aspen. Reviews last updated September 18, 2026.
Get a feel of what it's like to fly with United Airlines from Seattle to Aspen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Seattle to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Aspen?
Book flights to Aspen if you plan to visit one of these locationsSnowmass Village
Leadville
Snowmass
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Other flights to Aspen
Explore flights to Aspen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Complete your trip
Complete your trip to Aspen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Aspen by cabin class
Find flights from Seattle to Aspen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Aspen flights
Browse other Seattle and Aspen flight options. Last updated on September 18, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Seattle to Aspen
Discover the top airline that operate flights from Seattle to Aspen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$301 | Average$520 | FlexibilityNo cancel fee | On-time69% |