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$975+ Cheap flights from Aspen (ASE) to Lisbon (LIS)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — LIS
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Aspen to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Aspen (ASE) to Lisbon (LIS). 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 August 18, 2025.

Round-trip from

$975
(United Airlines)
From Aspen Pitkin County to Lisbon Humberto Delgado
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Find flight deals from Aspen to Lisbon

Cheapest flights from Aspen to Lisbon
Explore the most affordable flight options available from Aspen to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 10/412:40 pmASE - LIS
2 stops37h 40mUnited Airlines
Sun 10/125:05 amLIS - ASE
2 stops21h 59mUnited Airlines
Deal found 8/17$975
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/910:00 amASE - LIS
2 stops22h 20mUnited Airlines
Thu 10/305:00 amLIS - ASE
2 stops21h 08mUnited Airlines
Deal found 8/18$985
This American Airlines deal was found by Cheapflights users on 8/15. 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 12/64:26 pmASE - LIS
2 stops36h 39mAmerican Airlines
Wed 12/1011:15 amLIS - ASE
2 stops30h 00mAmerican Airlines
Deal found 8/15$1,000
This United Airlines deal was found by Cheapflights users on 8/16. 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 12/1711:39 amASE - LIS
2 stops18h 41mUnited Airlines
Sat 1/311:20 amLIS - ASE
2 stops31h 02mUnited Airlines
Deal found 8/16$1,214
This American Airlines deal was found by Cheapflights users on 8/17. 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 10/410:24 amASE - LIS
2 stops15h 41mAmerican Airlines
Sun 10/126:35 amLIS - ASE
3 stops20h 59mAmerican Airlines
Deal found 8/17$2,948

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aspen to Lisbon 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 August 18, 2025.
Use the filters below to find and compare flights from Aspen to Lisbon that are best for you.

Fly from

Aspen

Fly to

Lisbon

Route

Depart

Return

Price

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Sat 10/4

12:40 pm-9:20 am

2 stops37h 40m

Lisbon Humberto Delgado

Sun 10/12

5:05 am-8:04 pm

2 stops21h 59m

$975

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Thu 10/9

10:00 am-3:20 pm

2 stops22h 20m

Lisbon Humberto Delgado

Thu 10/30

5:00 am-8:08 pm

2 stops21h 08m

$985

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Sat 12/6

4:26 pm-12:05 pm

2 stops36h 39m

Lisbon Humberto Delgado

Wed 12/10

11:15 am-10:15 am

2 stops30h 00m

$1,000

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Wed 12/17

11:39 am-1:20 pm

2 stops18h 41m

Lisbon Humberto Delgado

Sat 1/3

11:20 am-11:22 am

2 stops31h 02m

$1,214

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Sat 10/4

10:24 am-9:05 am

2 stops15h 41m

Lisbon Humberto Delgado

Sun 10/12

6:35 am-8:34 pm

3 stops20h 59m

$2,948

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from Aspen to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Aspen 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.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated August 18, 2025.
Read through reviews of airlines operating flights from Aspen to Lisbon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • How long is the flight from Aspen to Lisbon?

    United Airlines and American Airlines can get you from Aspen to Lisbon in just under 36h 39m. Your travel time can differ by up to 1h 01m. Aspen and Lisbon are separated by a distance of 4947 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Aspen to Lisbon round-trip?

    Cheapflights users have booked flights from Aspen to Lisbon round-trip from $597.

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

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

  • How can I find direct flights from Aspen to Lisbon?

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

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

    Yes. Cheapflights offers flight deals from Aspen to Lisbon 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 Aspen to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Aspen to Lisbon (average of $612). Flying from Aspen to Lisbon in June is currently the most expensive (average of $1,127). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Beja
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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Top airline flying from Aspen to Lisbon

Discover the top airline that operate flights from Aspen to Lisbon. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$597Average$961FlexibilityNo cancel feeOn-time69%

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