$512+ Cheap flights from Aspen (ASE) to Portugal
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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — LIS
Feb 14 — Feb 211
1 adult, Economy
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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
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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 Aspen to Portugal
Keep the following information in mind while searching for Aspen to Portugal flight deals. Data was last updated January 15, 2026.
Round-trip from | $512 (United Airlines) |
|---|
Find flight deals from Aspen to Portugal
Cheapest flights from Aspen to PortugalExplore the most affordable flight options available from Aspen to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
Explore the most affordable flight options available from Aspen to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
This United Airlines deal was found by Cheapflights users on 1/14. 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 2/267:00 am
ASE
- LIS
2 stops20h 15m
United Airlines
Mon 3/211:55 am
LIS
- ASE
2 stops16h 39m
United Airlines
Deal found 1/14![United Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 1/12. 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 7/85:00 pm
ASE
- LIS
2 stops33h 20m
United Airlines
Mon 7/131:00 pm
LIS
- ASE
2 stops26h 51m
United Airlines
Deal found 1/12![United Airlines logo]()
$841
Cheapflights Fare Finder
Customize your flight search to find flights from Aspen to Portugal 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 January 15, 2026.
Use the filters below to find and compare flights from Aspen to Portugal that are best for you.
Fly from
Aspen
Fly to
Portugal
Route
Depart
Return
Price
AspenLisbon
ASE - LIS
ASELIS
Aspen Pitkin County
Thu 2/26
7:00 am-10:15 am
2 stops20h 15m
Lisbon Humberto Delgado
Mon 3/2
11:55 am-9:34 pm
2 stops16h 39m
$512
AspenLisbon
ASE - LIS
ASELIS
Aspen Pitkin County
Wed 7/8
5:00 pm-9:20 am
2 stops33h 20m
Lisbon Humberto Delgado
Mon 7/13
1:00 pm-8:51 am
2 stops26h 51m
$841
Best time to book a flight from Aspen to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal 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.
Cheapflights Insights
Everything you need to know about your flight from Aspen to Portugal
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated January 15, 2026.
Read through reviews of airlines operating flights from Aspen to Portugal, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.6
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Aspen to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Aspen to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Aspen to Portugal
Discover the top airline that operate flights from Aspen to Portugal. 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 January 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$575 | Average$768 | FlexibilityNo cancel fee | On-time69% |