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Lisbon

$249+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmDEN - LIS
1 stop11h 10mLufthansa
Wed 3/255:00 amLIS - DEN
2 stops24h 30mLufthansa
Deal found 12/17$563
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:01 pmDEN - LIS
1 stop14h 04mBritish Airways
Tue 1/1311:05 amLIS - DEN
1 stop18h 19mBritish Airways
Deal found 12/16$564
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmDEN - LIS
1 stop11h 10mLufthansa
Thu 3/267:45 amLIS - DEN
2 stops21h 45mLufthansa
Deal found 12/17$565
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:20 amDEN - LIS
2 stops29h 10mLufthansa
Mon 3/2312:25 pmLIS - DEN
1 stop37h 30mLufthansa
Deal found 12/17$573
This Finnair deal was found by Cheapflights users on 12/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:00 amDEN - LIS
1 stop19h 05mMultiple Airlines
Tue 1/1311:05 amLIS - DEN
1 stop18h 19mMultiple Airlines
Deal found 12/17$575
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/294:20 pmDEN - LIS
1 stop24h 10mUnited Airlines
Tue 1/1310:15 amLIS - DEN
1 stop14h 43mUnited Airlines
Deal found 12/16$577
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:07 amDEN - LIS
2 stops17h 58mAmerican Airlines
Tue 1/1311:05 amLIS - DEN
2 stops19h 11mAmerican Airlines
Deal found 12/16$580
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:35 pmDEN - LIS
2 stops38h 00mSWISS
Mon 3/232:20 pmLIS - DEN
2 stops31h 10mSWISS
Deal found 12/17$618
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:35 pmDEN - LIS
2 stops34h 50mSWISS
Sun 3/226:45 pmLIS - DEN
2 stops33h 10mSWISS
Deal found 12/17$727

Find flight deals from Colorado to Lisbon

Keep the following information in mind while searching for Colorado to Lisbon flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$497
(United Airlines)

One-way from

$249
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,337
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. 15% potential increase in price ($174 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 December 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 December 18, 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

Thu 1/29

5:50 am-9:20 am

2 stops20h 30m

Lisbon Humberto Delgado

Thu 2/5

5:00 am-10:06 pm

2 stops24h 06m

$497

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Fri 1/23

7:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-8:05 pm

2 stops22h 05m

$499

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Sat 1/31

7:35 am-1:20 pm

2 stops22h 45m

Lisbon Humberto Delgado

Sat 2/7

5:00 am-7:52 pm

2 stops21h 52m

$502

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 1/11

9:59 am-8:10 am

1 stop15h 11m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-1:40 pm

1 stop15h 40m

$550

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/11

4:20 pm-3:15 pm

1 stop15h 55m

Lisbon Humberto Delgado

Wed 2/18

5:00 am-6:03 pm

2 stops20h 03m

$557

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 1/11

6:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-10:46 pm

2 stops24h 46m

$558

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 3/2

2:04 pm-10:15 am

1 stop13h 11m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-7:48 pm

2 stops20h 48m

$563

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 3/11

1:25 pm-9:20 am

1 stop13h 55m

Lisbon Humberto Delgado

Thu 3/19

5:00 am-7:40 pm

2 stops20h 40m

$565

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 3/11

11:35 am-11:20 am

2 stops17h 45m

Lisbon Humberto Delgado

Thu 3/19

5:00 am-10:18 pm

2 stops23h 18m

$570

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 12/29

4:20 pm-11:30 pm

1 stop24h 10m

Lisbon Humberto Delgado

Tue 1/13

10:15 am-5:58 pm

1 stop14h 43m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 28 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 $505). 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 December 18, 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 15h 55m. United Airlines provides one of the quickest options available for as low as $557. Airlines will cover a distance of 4826 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Colorado to Lisbon one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $251. Users have also found prices from $326 and $408 on British Airways and Air France, respectively.

  • 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 $505). 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
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$458Average$668FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$514Average$887FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$539Average$984FlexibilityNo cancel feeOn-time72%
DeltaCheapest$551Average$939FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$555Average$837FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$565Average$851FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$569Average$876FlexibilityNo cancel feeOn-time77%
KLMCheapest$575Average$768FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$586Average$694FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$594Average$1,338FlexibilityNo cancel feeOn-time71%

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