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 09m. American Airlines provides one of the quickest options available for as low as $472. 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 $359. United Airlines is currently priced 49% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Aspen ranges from 1.0 - 1.8 inches per month. April is typically the wettest month, when rainfall can reach 1.8 in. January is typically the driest time to visit Aspen when rainfall is around 1.0 in.

If weather is an important factor for your trip to Aspen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

What is the cheapest time of day to fly from IAD to ASE?

When flying from Washington, D.C. Dulles Intl Airport to Aspen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

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.

$193+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Aspen

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Cheap flight deals from Dulles Intl to Aspen

Cheapest

Best

Last-minute

One-way

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 September 7, 2026.

Sun 10/256:00 am -

1 stop7h 21m

Tue 10/277:30 am -

1 stop7h 40m

Deal found 9/3

$385

Sun 10/116:00 am -

1 stop7h 21m

Wed 10/147:30 am -

1 stop7h 40m

Deal found 9/2

$412

Mon 10/193:08 pm -

1 stop7h 13m

Thu 10/227:30 am -

1 stop8h 53m

Deal found 9/4

$444

Sat 10/104:12 pm -

1 stop6h 09m

Wed 10/148:21 am -

1 stop7h 23m

Deal found 9/2

$472

Mon 12/286:45 am -

1 stop6h 12m

Wed 12/302:27 pm -

1 stop6h 54m

Deal found 9/4

$476

Mon 10/196:10 am -

1 stop7h 19m

Thu 10/2212:15 pm -

1 stop8h 37m

Deal found 9/2

$485

Sat 10/106:00 am -

1 stop7h 24m

Wed 10/147:30 am -

2 stops13h 46m

Deal found 9/5

$497

Sun 10/255:01 am -

2 stops9h 15m

Wed 10/2812:56 pm -

1 stop8h 27m

Deal found 9/3

$499

Mon 11/910:00 am -

1 stop8h 57m

Wed 11/1111:27 am -

1 stop8h 03m

Deal found 9/6

$505

Sun 10/256:00 am -

1 stop7h 21m

Wed 10/287:30 am -

1 stop7h 40m

Deal found 9/3

$522

Fri 11/206:10 am -

1 stop6h 36m

Fri 11/2711:27 am -

1 stop6h 03m

Deal found 9/6

$549

Best flights from Dulles Intl to Aspen
Discover carefully curated flight deals from Dulles Intl to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Sat 10/106:42 am -

1 stop7h 52m

Wed 10/1412:56 pm -

1 stop8h 27m

Deal found 9/5

$472

Sat 10/104:12 pm -

1 stop6h 09m

Wed 10/148:21 am -

1 stop7h 23m

Deal found 9/2

$472

Sat 10/106:00 am -

1 stop7h 24m

Wed 10/147:30 am -

2 stops13h 46m

Deal found 9/5

$497

Mon 11/910:00 am -

1 stop8h 57m

Wed 11/1111:27 am -

1 stop8h 03m

Deal found 9/2

$485

Sat 10/105:27 pm -

1 stop6h 24m

Tue 10/132:15 pm -

1 stop7h 10m

Deal found 9/3

$503

Sat 11/216:11 am -

1 stop7h 02m

Fri 11/2711:27 am -

1 stop6h 03m

Deal found 9/6

$549

Fri 11/206:10 am -

1 stop6h 36m

Fri 11/2711:27 am -

1 stop6h 03m

Deal found 9/6

$549

Wed 9/1612:45 pm -

1 stop7h 46m

Tue 9/223:20 pm -

1 stop5h 59m

Deal found 9/7

$561

Last-minute flights from Dulles Intl to Aspen
Discover last-minute flight deals from Dulles Intl to Aspen. Data last updated September 7, 2026 and is based on user searches.

Sat 10/104:12 pm -

1 stop6h 09m

Wed 10/148:21 am -

1 stop7h 23m

Deal found 9/2

$472

Sat 10/106:00 am -

1 stop7h 24m

Wed 10/147:30 am -

2 stops13h 46m

Deal found 9/5

$497

Sun 10/116:35 am -

1 stop6h 01m

Tue 10/208:21 am -

1 stop7h 23m

Deal found 9/7

$405

Sun 10/116:00 am -

1 stop7h 21m

Wed 10/147:30 am -

1 stop7h 40m

Deal found 9/2

$412

Sun 10/116:15 am -

1 stop7h 47m

Tue 10/1312:15 pm -

1 stop8h 37m

Deal found 9/2

$485

Sun 10/115:01 am -

2 stops9h 15m

Tue 10/207:30 am -

1 stop8h 53m

Deal found 9/7

$499

Mon 10/193:08 pm -

1 stop7h 13m

Thu 10/227:30 am -

1 stop8h 53m

Deal found 9/4

$444

Sun 10/256:00 am -

1 stop7h 21m

Tue 10/277:30 am -

1 stop7h 40m

Deal found 9/3

$385

Sun 10/256:00 am -

1 stop7h 21m

Wed 10/287:30 am -

1 stop7h 40m

Deal found 9/3

$522

One-way flights from Dulles Intl to Aspen
Search for one-way flight options from Dulles Intl to Aspen. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Mon 10/56:00 am -

1 stop7h 21m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$193

Sun 10/186:10 am -

1 stop7h 19m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$250

Sun 9/205:26 pm -

1 stop6h 03m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$252

Tue 10/612:28 pm -

2 stops9h 53m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$307

Tue 11/246:10 am -

1 stop6h 36m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$321

Mon 10/55:01 am -

2 stops9h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$357

Thu 12/176:45 am -

1 stop6h 12m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$473

Sun 9/206:32 am -

2 stops16h 57m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$477

Find flight deals from Dulles Intl to Aspen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$385 (Delta)
One-way from	$193 (Delta)
Popular in	October
Cheapest in	September
Average price	$364

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. 4% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Mon 10/5

6:00 am-11:21 am

1 stop7h 21m

Aspen Pitkin County

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$193

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Tue 10/6

3:08 pm-8:21 pm

1 stop7h 13m

Aspen Pitkin County

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$193

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Sun 10/18

6:10 am-11:29 am

1 stop7h 19m

Aspen Pitkin County

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$250

Quickest round-trip

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Sun 9/20

5:26 pm-9:29 pm

1 stop6h 03m

Aspen Pitkin County

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$252

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Tue 11/24

6:10 am-10:46 am

1 stop6h 36m

Aspen Pitkin County

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$321

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Sat 10/10

6:42 am-12:34 pm

1 stop7h 52m

Aspen Pitkin County

Wed 10/14

12:56 pm-11:23 pm

1 stop8h 27m

$472

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Sat 10/10

4:12 pm-8:21 pm

1 stop6h 09m

Aspen Pitkin County

Wed 10/14

8:21 am-5:44 pm

1 stop7h 23m

$472

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Thu 12/17

6:45 am-10:57 am

1 stop6h 12m

Aspen Pitkin County

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$473

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Sun 9/20

6:32 am-9:29 pm

2 stops16h 57m

Aspen Pitkin County

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$477

Washington, D.C.Aspen

IAD Washington, D.C. Dulles Intl - ASE Aspen Pitkin County

IADASE

Washington, D.C. Dulles Intl

Mon 11/9

10:00 am-4:57 pm

1 stop8h 57m

Aspen Pitkin County

Wed 11/11

11:27 am-9:30 pm

1 stop8h 03m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 15 resultsSorted by cheapest first

Compare providers for flights from Dulles Intl to Aspen

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

IAD-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

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

10,175 reviews

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

10,175 reviews

United Airlines

7.4

Good

10,175 reviews

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

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 09m. American Airlines provides one of the quickest options available for as low as $472. 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 $359. United Airlines is currently priced 49% 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.

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Top airline flying from Dulles Intl to Aspen

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$359	Average$660	FlexibilityNo cancel fee	On-time69%

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$193+ Cheap flights from Dulles Intl (IAD) to Aspen (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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Aspen with Cheapflights

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Cheap flight deals from Dulles Intl to Aspen

Cheapest flights from Dulles Intl to AspenExplore 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 September 7, 2026.

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 September 7, 2026.

Best flights from Dulles Intl to AspenDiscover carefully curated flight deals from Dulles Intl to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Discover carefully curated flight deals from Dulles Intl to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Last-minute flights from Dulles Intl to AspenDiscover last-minute flight deals from Dulles Intl to Aspen. Data last updated September 7, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Aspen. Data last updated September 7, 2026 and is based on user searches.

One-way flights from Dulles Intl to AspenSearch for one-way flight options from Dulles Intl to Aspen. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Search for one-way flight options from Dulles Intl to Aspen. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.

Find flight deals from Dulles Intl to Aspen

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Most trusted provider

Round-trip from

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Aspen that are best for you.

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 September.

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.

Reviews of airlines servicing Aspen

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.

Related info for your journey

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

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

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

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

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

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

Traveling to a place near Aspen?

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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.

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 7, 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 Dulles Intl to Aspen by cabin class

Find flights from Dulles Intl to Aspen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dulles Intl and Aspen flights

Browse other Dulles Intl and Aspen flight options. Last updated on September 7, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Dulles Intl to Aspen

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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 September 7, 2026.

Best flights from Dulles Intl to Aspen
Discover carefully curated flight deals from Dulles Intl to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.

Last-minute flights from Dulles Intl to Aspen
Discover last-minute flight deals from Dulles Intl to Aspen. Data last updated September 7, 2026 and is based on user searches.

One-way flights from Dulles Intl to Aspen
Search for one-way flight options from Dulles Intl to Aspen. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.