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Aspen

$251+ Cheap flights from Dulles Intl (IAD) to Aspen (ASE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ASE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Aspen

Cheapest flights from Dulles Intl to Aspen
Explore the most affordable flight options available from Dulles Intl to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 12/259:47 amIAD - ASE
1 stop8h 32mUnited Airlines
Mon 12/297:35 amASE - IAD
1 stop5h 59mUnited Airlines
Deal found 12/10$432
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/186:20 amIAD - ASE
1 stop8h 29mUnited Airlines
Sun 12/217:35 amASE - IAD
1 stop5h 59mUnited Airlines
Deal found 12/11$479
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/296:20 amIAD - ASE
1 stop6h 44mUnited Airlines
Wed 12/312:00 pmASE - IAD
1 stop5h 25mUnited Airlines
Deal found 12/10$582
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/306:20 amIAD - ASE
1 stop6h 44mUnited Airlines
Thu 1/17:00 amASE - IAD
1 stop6h 34mUnited Airlines
Deal found 12/10$609
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/306:20 amIAD - ASE
1 stop6h 09mUnited Airlines
Wed 12/313:27 pmASE - IAD
1 stop5h 56mUnited Airlines
Deal found 12/10$631
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:35 amIAD - ASE
2 stops9h 48mAmerican Airlines
Mon 12/297:07 amASE - IAD
1 stop7h 36mAmerican Airlines
Deal found 12/10$635
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/306:20 amIAD - ASE
1 stop6h 09mUnited Airlines
Tue 12/304:15 pmASE - IAD
1 stop6h 00mUnited Airlines
Deal found 12/10$671
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/236:30 amIAD - ASE
1 stop6h 52mUnited Airlines
Sat 12/277:35 amASE - IAD
1 stop5h 59mUnited Airlines
Deal found 12/11$675
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/296:20 amIAD - ASE
1 stop6h 44mUnited Airlines
Mon 1/56:20 pmASE - IAD
1 stop16h 52mUnited Airlines
Deal found 12/10$692
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:35 amIAD - ASE
2 stops11h 19mAmerican Airlines
Mon 1/511:19 amASE - IAD
2 stops10h 45mAmerican Airlines
Deal found 12/10$769
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/196:20 amIAD - ASE
1 stop6h 44mUnited Airlines
Tue 3/241:22 pmASE - IAD
2 stops16h 07mUnited Airlines
Deal found 12/10$783
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 amIAD - ASE
2 stops15h 02mAmerican Airlines
Sat 12/274:24 pmASE - IAD
2 stops14h 18mAmerican Airlines
Deal found 12/11$810

Find flight deals from Dulles Intl to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Delta)

One-way from

$251
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$718
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Aspen Pitkin County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Aspen Pitkin County flights.
Search Deals
From Washington, D.C. Dulles Intl to Aspen Pitkin County
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Aspen Pitkin County
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Aspen that are best for you.

Fly from

Dulles Intl

Fly to

Aspen

Route

Depart

Return

Price

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-11:29 am

1 stop6h 29m

Aspen Pitkin County

Wed 4/22

1:50 pm-12:09 am

1 stop8h 19m

$289

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Tue 1/27

12:35 pm-4:52 pm

1 stop6h 17m

Aspen Pitkin County

Sat 1/31

12:36 pm-9:07 pm

1 stop6h 31m

$289

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Wed 3/11

6:00 am-11:40 am

1 stop7h 40m

Aspen Pitkin County

Wed 3/18

3:00 pm-12:26 am

1 stop7h 26m

$303

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Fri 1/2

5:20 pm-9:35 pm

1 stop6h 15m

Aspen Pitkin County

Wed 1/7

12:36 pm-9:11 pm

1 stop6h 35m

$309

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Fri 4/3

6:15 am-11:04 am

1 stop6h 49m

Aspen Pitkin County

Tue 4/7

1:00 pm-11:34 pm

1 stop8h 34m

$335

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Thu 4/16

6:00 am-11:29 am

1 stop7h 29m

Aspen Pitkin County

Wed 4/22

1:50 pm-11:51 am

2 stops20h 01m

$343

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Fri 1/30

7:01 am-1:37 pm

1 stop8h 36m

Aspen Pitkin County

Sat 2/7

12:54 pm-11:42 pm

2 stops8h 48m

$359

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Wed 3/4

6:03 am-12:41 pm

1 stop8h 38m

Aspen Pitkin County

Sat 3/7

1:22 pm-11:20 pm

1 stop7h 58m

$367

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Mon 4/13

6:00 am-11:29 am

1 stop7h 29m

Aspen Pitkin County

Wed 4/22

1:50 pm-11:51 am

2 stops20h 01m

$368

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Sun 4/12

6:00 am-11:40 am

1 stop7h 40m

Aspen Pitkin County

Wed 4/22

1:50 pm-11:51 am

2 stops20h 01m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 13 results
1
2

Compare providers for flights from Dulles Intl 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 Dulles Intl to Aspen in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Aspen flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Aspen flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Aspen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Aspen flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C. Dulles Intl Airport-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 Dulles Intl to Aspen

Have a flexible travel schedule? Discover the best time to fly to Aspen from Dulles Intl with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Aspen

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Aspen?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aspen (average of $157). Flying from Washington, D.C. Dulles Intl Airport to Aspen in May is currently the most expensive (average of $501). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 December 12, 2025.
See what other customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Aspen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Tim,Sep 2025

IAD - GSP

This was pretty bad. It’s chaos at the Dulles boarding gates for the small regional jets because they use one gate to board 3-4 flights at a time. So, it’s difficult knowing where and when to go. There is little space for any size of carrry-on, so most had to gate check their bags. However, the worst of it was that our single flight attendant fell asleep before we took off and the pilot couldn’t do so until she responded to his messages. My wife had to wake her up! So we were a little late leaving. Not to be thwarted, the flight attendant fell asleep right after take off and there was no sight of her during the flight. When the aircraft touched down, a tray of unsecured canned drinks came crashing onto the aisle up front. I can only assume someone didn’t do what they were supposed to. The pilot was great, but I’m sure he must not be happy with this crew member.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Aspen from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Aspen, you will be flying into Pitkin County. Aspen Pitkin County (ASE) is just 3.5 mi from the center of the city. Pitkin County is the only Aspen airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 1 airline has flights to Aspen Pitkin County from Washington, D.C. Dulles Intl on a regular basis.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Aspen?

    A quick flight from Washington, D.C. Dulles Intl Airport to Aspen can take about 6h 17m. Delta provides one of the quickest options available for as low as $289. The distance between Washington, D.C. Dulles Intl Airport and Aspen is about 1570 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Aspen round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Aspen round-trip from $269. United Airlines is currently priced 53% below the average price you’ll pay for this route.

  • Can I find deals for flights from Dulles Intl to Aspen that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Aspen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Aspen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Aspen.

  • Can I find deals for business class flights from Dulles Intl to Aspen?

    Yes. Cheapflights offers flight deals from Dulles Intl to Aspen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Aspen?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aspen (average of $157). Flying from Washington, D.C. Dulles Intl Airport to Aspen in May is currently the most expensive (average of $501). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Aspen?

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Snowmass Village
Buena Vista
Snowmass

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Alternative routes for Dulles Intl to Aspen

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to Aspen

Discover the top airline that operate flights from Dulles Intl 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$269Average$603FlexibilityNo cancel feeOn-time69%

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