$505+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — LIS
Dec 21 — Dec 281
1 adult, Economy
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1. Tell us where you want to go
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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 November 21, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $505 (Delta) |
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 November 21, 2025.
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 November 21, 2025.
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 11/238:30 amASE - LIS
2 stops18h 45mUnited Airlines
Mon 12/155:00 amLIS - ASE
2 stops35h 01mUnited Airlines
Deal found 11/20![United Airlines logo]()
$567
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 November 21, 2025.
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
Fri 2/6
12:24 pm-5:30 pm
2 stops22h 06m
Lisbon Humberto Delgado
Tue 2/10
5:00 am-2:16 pm
2 stops40h 16m
$505
AspenLisbon
ASE - LIS
ASELIS
Aspen Pitkin County
Fri 2/6
7:00 am-8:10 am
2 stops18h 10m
Lisbon Humberto Delgado
Tue 2/10
10:15 am-9:59 pm
2 stops18h 44m
$604
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 November 21, 2025.
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.
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
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 November 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$597 | Average$961 | FlexibilityNo cancel fee | On-time69% |