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Lisbon

$291+ Cheap flights from Colorado to Lisbon (LIS)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Colorado to Lisbon

Cheapest flights from Colorado to Lisbon
Explore the most affordable flight options available from Colorado to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/125:12 pmASE - LIS
2 stops47h 18mUnited Airlines
Mon 11/175:00 amLIS - ASE
2 stops40h 36mUnited Airlines
Deal found 10/29$552
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:25 pmDEN - LIS
2 stops23h 05mLufthansa
Thu 11/205:00 amLIS - DEN
2 stops21h 29mLufthansa
Deal found 10/28$568
This Delta deal was found by Cheapflights users on 10/27. 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.
Wed 11/126:00 amDEN - LIS
2 stops26h 10mDelta
Fri 11/215:00 amLIS - DEN
2 stops22h 43mDelta
Deal found 10/27$569
This Delta deal was found by Cheapflights users on 10/27. 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.
Sun 11/2311:59 pmDEN - LIS
2 stops25h 01mDelta
Tue 12/25:00 amLIS - DEN
2 stops25h 47mDelta
Deal found 10/27$570
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:15 amDEN - LIS
2 stops28h 35mLufthansa
Thu 11/275:00 amLIS - DEN
1 stop18h 00mLufthansa
Deal found 10/29$571
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:20 pmDEN - LIS
1 stop24h 10mLufthansa
Mon 11/2412:25 pmLIS - DEN
1 stop34h 35mLufthansa
Deal found 10/28$572
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/1012:45 pmDEN - LIS
1 stop12h 25mUnited Airlines
Fri 11/2111:55 amLIS - DEN
2 stops18h 20mUnited Airlines
Deal found 10/30$573
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/99:35 amDEN - LIS
1 stop17h 40mUnited Airlines
Fri 11/2111:55 amLIS - DEN
1 stop19h 20mUnited Airlines
Deal found 10/28$575
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:45 pmDEN - LIS
1 stop22h 05mLufthansa
Fri 11/215:00 amLIS - DEN
2 stops26h 15mLufthansa
Deal found 10/28$576
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:45 pmDEN - LIS
1 stop22h 05mLufthansa
Tue 11/112:10 pmLIS - DEN
1 stop31h 25mLufthansa
Deal found 10/27$578
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/118:20 pmDEN - LIS
1 stop20h 10mUnited Airlines
Fri 11/2111:55 amLIS - DEN
1 stop19h 20mUnited Airlines
Deal found 10/30$579
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:45 pmDEN - LIS
1 stop22h 05mMultiple Airlines
Tue 1/1311:20 amLIS - DEN
1 stop15h 35mMultiple Airlines
Deal found 10/28$580

Cheap flight deals from Colorado to Lisbon

Keep the following information in mind while searching for Colorado to Lisbon flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$545
(United Airlines)

One-way from

$291
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$815
Provider with most accurate pricing for Denver Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Lisbon Humberto Delgado flights.
Search Deals
From Colorado to Lisbon Humberto Delgado
Search Deals
One-way flight from Colorado to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 October 30, 2025.
Use the filters below to find and compare flights from Colorado to Lisbon that are best for you.

Fly from

Colorado

Fly to

Lisbon

Route

Depart

Return

Price

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Mon 1/12

5:50 am-8:10 am

2 stops19h 20m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-11:02 am

2 stops30h 42m

$545

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Wed 11/12

5:12 pm-11:30 pm

2 stops47h 18m

Lisbon Humberto Delgado

Mon 11/17

5:00 am-2:36 pm

2 stops40h 36m

$552

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 11/12

5:45 am-3:10 pm

2 stops26h 25m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-8:43 pm

2 stops22h 43m

$569

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 11/12

7:05 am-3:10 pm

2 stops25h 05m

Lisbon Humberto Delgado

Wed 11/19

5:00 am-8:43 pm

2 stops22h 43m

$569

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 11/11

6:48 am-8:00 am

2 stops18h 12m

Lisbon Humberto Delgado

Thu 11/20

5:30 am-6:47 pm

2 stops20h 17m

$569

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 11/11

6:48 am-8:00 am

2 stops18h 12m

Lisbon Humberto Delgado

Tue 11/25

11:15 am-10:39 am

1 stop30h 24m

$573

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Mon 1/12

11:43 am-9:20 am

2 stops14h 37m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-10:57 am

3 stops30h 37m

$574

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 12/29

11:59 pm-10:15 am

1 stop27h 16m

Lisbon Humberto Delgado

Tue 1/13

11:20 am-7:55 pm

1 stop15h 35m

$576

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 11/11

8:20 pm-11:30 pm

1 stop20h 10m

Lisbon Humberto Delgado

Fri 11/21

11:55 am-12:15 am

1 stop19h 20m

$579

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 11/13

1:35 pm-10:15 am

1 stop13h 40m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-4:00 pm

1 stop18h 00m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 34 results
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Best time to book a flight from Colorado to Lisbon

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

What is the cheapest month to book a flight from Colorado to Lisbon?

Currently, November is the cheapest month in which you can book a flight from Colorado to Lisbon (average of $511). Flying from Colorado to Lisbon in June is currently the most expensive (average of $1,005). 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 CO to LIS?

Find hourly flight availability from Colorado to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Colorado to Lisbon in the evening. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Colorado to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Lisbon flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Lisbon. 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 Lisbon from Colorado?

    Lisbon Humberto Delgado (LIS), located 4.2 mi from the city center, is the airport you fly into when you book flights from Colorado to Lisbon.

  • How long is the flight from Colorado to Lisbon?

    A quick flight from Colorado to Lisbon can take about 19h 20m. United Airlines provides one of the quickest options available for as low as $545. Airlines will cover a distance of 4869 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Colorado to Lisbon?

    The most popular flight routes from Colorado to Lisbon are Denver Intl - Lisbon Humberto Delgado, Colorado Springs - Lisbon Humberto Delgado and Aspen Pitkin County - Lisbon Humberto Delgado.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Colorado to Lisbon (average of $511). Flying from Colorado to Lisbon in June is currently the most expensive (average of $1,005). 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
Fátima
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

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Alternative routes for Colorado to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Colorado to Lisbon

Discover the top 10 airlines that operate flights from Colorado 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$458Average$666FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$539Average$984FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$555Average$693FlexibilityNo cancel feeOn-time77%
DeltaCheapest$558Average$934FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$567Average$858FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$569Average$879FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$590Average$880FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$594Average$1,267FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$596Average$898FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$596Average$926FlexibilityNo cancel feeOn-time67%

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