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Aspen

$200+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ASE
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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 7/65:38 pm
IAD
-
ASE
1 stop6h 22m
United Airlines
Sat 7/115:10 pm
ASE
-
IAD
1 stop5h 35m
United Airlines
Deal found 3/8$329
This United Airlines deal was found by Cheapflights users on 3/8. 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 9/103:40 pm
IAD
-
ASE
1 stop8h 13m
United Airlines
Thu 9/175:00 pm
ASE
-
IAD
1 stop5h 40m
United Airlines
Deal found 3/8$386
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Sun 3/226:00 am
IAD
-
ASE
1 stop10h 17m
American Airlines
Sun 3/2912:39 pm
ASE
-
IAD
1 stop8h 14m
American Airlines
Deal found 3/6$394
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/35:20 pm
IAD
-
ASE
1 stop6h 28m
United Airlines
Thu 4/910:15 am
ASE
-
IAD
1 stop6h 45m
United Airlines
Deal found 3/10$396
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 3/256:00 am
IAD
-
ASE
1 stop10h 17m
American Airlines
Sun 3/2912:39 pm
ASE
-
IAD
1 stop8h 14m
American Airlines
Deal found 3/10$399
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/225:41 pm
IAD
-
ASE
1 stop5h 45m
United Airlines
Mon 5/252:22 pm
ASE
-
IAD
1 stop8h 23m
United Airlines
Deal found 3/8$412
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Wed 12/26:20 am
IAD
-
ASE
1 stop6h 44m
United Airlines
Tue 12/89:20 am
ASE
-
IAD
1 stop7h 45m
United Airlines
Deal found 3/6$419
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Sat 9/1911:48 am
IAD
-
ASE
1 stop6h 19m
American Airlines
Tue 9/2212:32 pm
ASE
-
IAD
1 stop7h 56m
American Airlines
Deal found 3/7$440
This American Airlines deal was found by Cheapflights users on 3/6. 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 12/39:15 am
IAD
-
ASE
2 stops12h 23m
American Airlines
Mon 12/712:25 pm
ASE
-
IAD
2 stops9h 36m
American Airlines
Deal found 3/6$450

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(United Airlines)

One-way from

$200
(Delta)

Popular in

January

Cheapest in

September

Average price

$595
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. 7% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 11, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Thu 8/13

6:30 am-10:37 am

1 stop6h 07m

Aspen Pitkin County

Tue 8/18

3:25 pm-11:24 pm

1 stop5h 59m

$419

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Mon 7/27

6:30 am-10:51 am

1 stop6h 21m

Aspen Pitkin County

Sat 8/22

3:25 pm-12:40 am

1 stop7h 15m

$419

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Sat 4/4

5:20 pm-9:48 pm

1 stop6h 28m

Aspen Pitkin County

Fri 4/10

2:27 pm-11:34 pm

1 stop7h 07m

$499

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Thu 7/30

6:10 am-11:01 am

1 stop6h 51m

Aspen Pitkin County

Fri 8/7

3:25 pm-11:32 pm

1 stop6h 07m

$499

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Fri 4/17

2:21 pm-6:35 pm

1 stop6h 14m

Aspen Pitkin County

Sun 4/19

10:15 am-5:28 am

1 stop17h 13m

$522

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Wed 4/8

4:00 pm-8:23 pm

1 stop6h 23m

Aspen Pitkin County

Fri 4/10

11:15 am-7:00 pm

1 stop5h 45m

$526

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Tue 7/14

5:38 pm-10:00 pm

1 stop6h 22m

Aspen Pitkin County

Fri 7/17

2:22 pm-12:45 am

1 stop8h 23m

$541

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Sun 4/5

2:21 pm-6:35 pm

1 stop6h 14m

Aspen Pitkin County

Tue 4/7

2:27 pm-11:34 pm

1 stop7h 07m

$590
Cheapest one-way

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Sun 4/12

6:01 am-11:40 am

1 stop7h 39m

$200

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Sat 4/4

6:00 am-2:17 pm

1 stop10h 17m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 14 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Aspen flight deals on Cheapflights vs. FlightHub >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 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 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aspen (average of $248). Flying from Washington, D.C. Dulles Intl Airport to Aspen in December is currently the most expensive (average of $528). 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.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Aspen?

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 March 11, 2026.
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
9,413 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,413 reviews
United Airlines
7.4
Good
9,413 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 5h 45m. United Airlines provides one of the quickest options available for as low as $412. The distance between Washington, D.C. Dulles Intl Airport and Aspen is about 1570 mi.

  • 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 $305. United Airlines is currently priced 54% 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aspen (average of $248). Flying from Washington, D.C. Dulles Intl Airport to Aspen in December is currently the most expensive (average of $528). 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?

Book flights to Aspen if you plan to visit one of these locations
Snowmass Village
Buena Vista
Snowmass

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$305Average$572FlexibilityNo cancel feeOn-time69%

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