HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Aspen

$169+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ASE
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl 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 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 April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$334
(United Airlines)

One-way from

$169
(Delta)

Popular in

October

Cheapest in

February

Average price

$833
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. 23% potential increase in price ($247 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 April 2025
Search Deals

Find 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 6/23:35 pmIAD - ASE
1 stop8h 09mUnited Airlines
Tue 6/101:35 pmASE - IAD
1 stop7h 15mUnited Airlines
Deal found 4/29$334
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:02 amIAD - ASE
1 stop6h 19mDelta
Wed 7/168:05 amASE - IAD
1 stop6h 20mDelta
Deal found 4/29$408
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 7/148:19 pmIAD - ASE
1 stop21h 43mAlaska Airlines
Sat 7/197:08 pmASE - IAD
1 stop19h 17mAlaska Airlines
Deal found 4/29$530
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/126:27 amIAD - ASE
1 stop9h 34mAmerican Airlines
Mon 6/164:35 pmASE - IAD
2 stops14h 03mAmerican Airlines
Deal found 4/29$535

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 April 29, 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

Mon 6/2

3:35 pm-9:44 pm

1 stop8h 09m

Aspen Pitkin County

Tue 6/10

1:35 pm-10:50 pm

1 stop7h 15m

$334

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Fri 7/11

7:02 am-11:21 am

1 stop6h 19m

Aspen Pitkin County

Wed 7/16

8:05 am-4:25 pm

1 stop6h 20m

$408

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Mon 7/14

8:19 pm-4:02 pm

1 stop21h 43m

Aspen Pitkin County

Sat 7/19

7:08 pm-4:25 pm

1 stop19h 17m

$530

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Thu 6/12

6:27 am-2:01 pm

1 stop9h 34m

Aspen Pitkin County

Mon 6/16

4:35 pm-8:38 am

2 stops14h 03m

$535

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Tue 7/22

7:02 am-11:21 am

1 stop6h 19m

$169

Washington, D.C.Aspen

IAD - ASE

IADASE

Washington, D.C. Dulles Intl

Tue 7/22

8:25 am-9:44 pm

2 stops15h 19m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aspen (average of $448). Flying from Washington, D.C. Dulles Intl Airport to Aspen in December is currently the most expensive (average of $672). 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.

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

Find hourly flight availability from Dulles Intl to Aspen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Aspen, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 13% versus a flight at noon.

Rainfall in Aspen by month

Plan your trip to Aspen by taking into account the average rainfall totals by month.

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.

Temperature in Aspen by month

Plan your trip to Aspen by taking into account the average temperature totals by month.

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).

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 April 29, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying 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 $334. Other airlines that can offer you cheap pricing are Delta, from $408, and Alaska Airlines, from $530. United Airlines is currently priced 59% 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Aspen (average of $448). Flying from Washington, D.C. Dulles Intl Airport to Aspen in December is currently the most expensive (average of $672). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Snowmass Village
Carbondale
Buena Vista
Snowmass

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Aspen

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Denver flights
Dulles Intl to Denver flights
Reagan-National to Denver flights
Dulles Intl to Colorado Springs flights
Reagan-National to Colorado Springs flights
Baltimore to Colorado Springs flights
Dulles Intl to Durango flights
Baltimore to Durango flights
Dulles Intl to Grand Junction flights
Reagan-National to Durango flights
Baltimore to Grand Junction flights
Baltimore to Montrose flights
Reagan-National to Aspen flights
Baltimore to Aspen flights
Dulles Intl to Montrose flights
Dulles Intl to Vail flights
Reagan-National to Grand Junction flights
Baltimore to Vail flights
Dulles Intl to Hayden flights
Reagan-National to Montrose flights
Reagan-National to Vail flights
Reagan-National to Hayden flights
Baltimore to Gunnison flights
Dulles Intl to Gunnison flights
Reagan-National to Gunnison flights
Baltimore to Hayden flights
Dulles Intl to Cortez flights
Dulles Intl to Alamosa flights
Reagan-National to Alamosa flights
Baltimore to Alamosa flights

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$528Average$768FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.