A mountain road flanked by dense forests and snow-capped peaks under a clear sky.

$239 Cheap Flights from Baltimore (BWI) to Aspen (ASE)

View $239 flight on Mon, Mar 1, 2027Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Aspen/Pitkin County Airport (ASE)

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Cheap Flights from Baltimore to Aspen (BWI-ASE)

Prices were available within the past 7 days and start at $239 for one-way flights and $477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 25 - Tue, Sep 29
BWI
Baltimore
ASE
Aspen
$477 Roundtrip, found 7 hours ago
$477
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Sep 25 from Baltimore to Aspen, returning Tue, Sep 29, priced at $477 found 7 hours ago
United
Fri, Sep 25 - Tue, Sep 29
BWI
Baltimore
ASE
Aspen
$477 Roundtrip, found 7 hours ago
$477
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 25 from Baltimore to Aspen, returning Tue, Sep 29, priced at $477 found 7 hours ago
United
Sun, Jan 17 - Fri, Jan 22
BWI
Baltimore
ASE
Aspen
$482 Roundtrip, found 1 day ago
$482
Roundtrip
found 1 day ago
Select United flight, departing Sun, Jan 17 from Baltimore to Aspen, returning Fri, Jan 22, priced at $482 found 1 day ago
United
Fri, Sep 25 - Tue, Sep 29
BWI
Baltimore
ASE
Aspen
$499 Roundtrip, found 7 hours ago
$499
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 25 from Baltimore to Aspen, returning Tue, Sep 29, priced at $499 found 7 hours ago
United
Tue, Sep 15 - Sat, Sep 19
BWI
Baltimore
ASE
Aspen
$501 Roundtrip, found 1 day ago
$501
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Baltimore to Aspen, returning Sat, Sep 19, priced at $501 found 1 day ago
United
Tue, Sep 15 - Sat, Sep 19
BWI
Baltimore
ASE
Aspen
$506 Roundtrip, found 1 day ago
$506
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Baltimore to Aspen, returning Sat, Sep 19, priced at $506 found 1 day ago
United
Tue, Sep 22 - Tue, Sep 29
BWI
Baltimore
ASE
Aspen
$508 Roundtrip, found 2 days ago
$508
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 22 from Baltimore to Aspen, returning Tue, Sep 29, priced at $508 found 2 days ago
Delta
Fri, Sep 25 - Tue, Sep 29
BWI
Baltimore
ASE
Aspen
$512 Roundtrip, found 7 hours ago
$512
Roundtrip
found 7 hours ago
Select Delta flight, departing Fri, Sep 25 from Baltimore to Aspen, returning Tue, Sep 29, priced at $512 found 7 hours ago
United
Tue, Sep 22 - Tue, Sep 29
BWI
Baltimore
ASE
Aspen
$513 Roundtrip, found 2 days ago
$513
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 22 from Baltimore to Aspen, returning Tue, Sep 29, priced at $513 found 2 days ago
Delta
Tue, Oct 13 - Mon, Oct 19
BWI
Baltimore
ASE
Aspen
$515 Roundtrip, found 4 days ago
$515
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 13 from Baltimore to Aspen, returning Mon, Oct 19, priced at $515 found 4 days ago

What you need to know for your flight from Baltimore Washington Intl. Thurgood Marshall to Pitkin County

Baltimore (BWI) to Aspen (ASE) at a glance

Explore a variety of options for flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Pitkin County Airport (ASE) on this domestic short-haul route to Aspen. Compare choices from full-service carriers to discover the itinerary that meets your budget, schedule, and travel plans as you prepare to experience the iconic sights and neighborhoods of Aspen. Find essential details for your journey from Baltimore to Aspen and get ready for your adventure.

  • Fastest flight duration: around 5h 30m in-flight, plus roughly 1 hour layover with one stop
  • Route distance: roughly 1,600 miles (2,570 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $145–$540, depending on seasonality and how far ahead you book

Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to Pitkin County Airport (ASE)

According to recent traveler bookings, the top airlines flying from Baltimore to Aspen are favored for their one-stop services, with common layover points at Denver International Airport (DEN) for about 1 hour and 30 minutes, O'Hare International Airport (ORD) for approximately 50 minutes, and Dallas-Fort Worth International Airport (DFW) with around a 1-hour layover. This variety allows you to customize your itinerary based on price, total travel time, and cabin class preferences.

  • United: This full-service airline provides one-stop options, with one-way prices generally falling between $175 and $555. It dominates the route, representing about 64% of departures. Expect an in-flight duration of 5 hours and 30 minutes, with a total travel time nearing 6 hours and 45 minutes, including layover.
  • American Airlines: Another full-service provider, American Airlines offers one-stop flights with one-way fares typically ranging from $145 to $795. It accounts for roughly 25% of the departures on this route. The flight time is also around 5 hours and 30 minutes, with a complete journey time of about 6 hours and 45 minutes, including layover.
  • Delta: Delta serves as a full-service carrier with one-stop service, offering one-way prices that usually range from $165 to $445. It represents around 10% of the departures on this route. The in-flight duration is 5 hours and 30 minutes, with the total travel time reaching approximately 6 hours and 45 minutes, including layover.

Alternative routes from Baltimore (BWI) to Aspen (ASE)

  • Baltimore to Vail (BWI-EGE): Eagle County Regional Airport (EGE) lies approximately 29 miles from Pitkin County Airport (ASE). One-way economy ticket prices for this route generally range from $175 to $455, influenced by the season and time of booking. Typically, this route features one-stop flights, with common layover points at Denver International Airport (DEN) and O'Hare International Airport (ORD). Major airlines operating on this route include United and American Airlines. Additionally, first-class service is available.
  • Washington to Vail (DCA-EGE): Ronald Reagan Washington National Airport (DCA) is located around 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI), while Eagle County Regional Airport (EGE) is about 29 miles from Pitkin County Airport (ASE). One-way economy fares on this route usually vary from $175 to $530, depending on the season and booking timing. Typically, this route is served by one-stop options, with frequent layovers at Dallas-Fort Worth International Airport (DFW) and O'Hare International Airport (ORD). Leading airlines for this route include American Airlines and United. First-class service is also offered.
  • Washington to Aspen (DCA-ASE): Ronald Reagan Washington National Airport (DCA) is situated roughly 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI). One-way economy fares along this route typically range from $160 to $540, influenced by the season and the time of booking. Generally, this route is serviced by one-stop flights, with common layovers at O'Hare International Airport (ORD) and Dallas-Fort Worth International Airport (DFW). The main carriers for this route are American Airlines and United, and first-class service is available as well.

How to find the best prices for flights from Baltimore (BWI) to Aspen (ASE)

Getting some of the best deals on flights from Baltimore to Aspen is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Departures in the morning, between 5 a.m. and 12 p.m., often offer lower prices and are the most popular flight times. Additionally, flying on Fridays typically results in cheaper fares, while Saturday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Aspen hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Pitkin County Airport from Baltimore Washington International Thurgood Marshall Airport

Aspen welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Here's how to reach Aspen efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Aspen, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Pitkin County Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Pitkin County Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Pitkin County Airport, Aspen Seaport, a seaport, is conveniently located about 0.5 miles away on foot, making it an easy destination to reach.

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) cost?
You can find cheap one-way flights from $239 and cheap return flights from $477 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) with Expedia. One-way flights generally range between $227 and $878, and roundtrip flights usually range from $456 to $1810. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
The cheapest month to fly from BWI to ASE is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
Enter BWI to ASE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
United is one of the cheapest airlines offering connecting flights from Baltimore, MD (BWI) to Aspen, CO (ASE), with round-trip tickets starting from around $276 with a layover in O'Hare Intl. (ORD). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from BWI to ASE. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
The most popular departure times for flights from Baltimore, MD (BWI) to Aspen, CO (ASE) are from 6am to 9am. About 53% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing is popular because it allows travelers to arrive in Aspen with plenty of time to enjoy the day.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
Flights from BWI to ASE with one stop typically take around 10 hours 20 minutes, covering approximately 1,609 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
First class is available on flights from BWI to ASE. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines

How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Aspen from Baltimore Washington Intl. Thurgood Marshall (BWI)?
From Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into Pitkin County (ASE) to reach Aspen. Some flights may connect through major hubs like O'Hare Intl. (ORD), Charlotte-Douglas Intl. (CLT), Seattle - Tacoma Intl. (SEA) before reaching Aspen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) Aspen Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Aspen, CO (ASE-Pitkin County) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Pitkin County
Airlines serving
American Airlines, Delta, United
Roundtrip price
$476
Distance
1609 mi

Book with confidence

Baltimore to Aspen Flights

The cheapest times to fly from Baltimore to Aspen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Aspen are during the month of September. You can find some of the cheapest flights from Baltimore to Aspen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Aspen

Sunday is one of the best days to book for cheap flights from Baltimore to Aspen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Aspen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Aspen in 2026. You can also book with separate airlines for your outbound and return journeys, from $239 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Aspen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Aspen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Baltimore to Aspen Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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