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Lisbon

$275+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$646
(Delta)

One-way from

$275
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$969
From Colorado to Lisbon Humberto Delgado
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One-way flight from Colorado to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 16% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:47 amDEN - LIS
1 stop13h 13mMultiple Airlines
Sat 11/225:00 amLIS - DEN
2 stops19h 25mMultiple Airlines
Deal found 9/15$651
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:15 amDEN - LIS
1 stop14h 40mAir Canada
Sun 11/235:00 amLIS - DEN
2 stops19h 44mAir Canada
Deal found 9/15$654
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:45 pmDEN - LIS
1 stop22h 05mLufthansa
Mon 11/243:55 pmLIS - DEN
1 stop31h 05mLufthansa
Deal found 9/15$655
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:20 pmDEN - LIS
1 stop14h 00mLufthansa
Sat 11/225:00 amLIS - DEN
1 stop18h 00mLufthansa
Deal found 9/15$659
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:30 pmDEN - LIS
1 stop32h 50mMultiple Airlines
Sun 11/235:00 amLIS - DEN
1 stop18h 00mMultiple Airlines
Deal found 9/15$663
This Icelandair deal was found by Cheapflights users on 9/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:40 pmDEN - LIS
1 stop21h 40mIcelandair
Sun 11/239:20 pmLIS - DEN
1 stop27h 45mIcelandair
Deal found 9/15$668
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:15 pmDEN - LIS
1 stop22h 35mLufthansa
Tue 10/142:25 pmLIS - DEN
1 stop30h 20mLufthansa
Deal found 9/15$670
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:15 pmDEN - LIS
1 stop14h 25mLufthansa
Thu 10/232:30 pmLIS - DEN
1 stop30h 15mLufthansa
Deal found 9/15$671
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:59 pmDEN - LIS
1 stop14h 26mLufthansa
Wed 10/16:15 amLIS - DEN
2 stops24h 42mLufthansa
Deal found 9/15$680
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:25 pmDEN - LIS
1 stop22h 00mBritish Airways
Tue 11/2510:35 amLIS - DEN
1 stop35h 55mBritish Airways
Deal found 9/15$683
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:26 pmDEN - LIS
2 stops30h 29mMultiple Airlines
Mon 12/112:25 pmLIS - DEN
2 stops35h 15mMultiple Airlines
Deal found 9/15$685
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:16 pmCOS - LIS
2 stops22h 24mDelta
Wed 10/225:00 amLIS - COS
2 stops24h 10mDelta
Deal found 9/15$737

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 September 16, 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

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 10/14

8:20 pm-9:50 pm

1 stop18h 30m

Lisbon Humberto Delgado

Tue 10/28

11:55 am-12:15 am

1 stop18h 20m

$688

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 11/19

7:10 am-10:35 am

2 stops20h 25m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-8:03 pm

2 stops22h 03m

$710

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Fri 10/31

6:25 pm-10:25 pm

1 stop22h 00m

Lisbon Humberto Delgado

Sat 11/8

10:30 am-11:18 pm

1 stop19h 48m

$715

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 11/20

12:20 pm-8:55 am

1 stop13h 35m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-8:03 pm

2 stops22h 03m

$721

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 11/20

12:27 pm-9:05 am

2 stops13h 38m

Lisbon Humberto Delgado

Fri 11/28

11:05 am-10:04 pm

2 stops17h 59m

$730

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 11/15

5:25 pm-10:30 pm

1 stop22h 05m

Lisbon Humberto Delgado

Fri 11/21

6:45 pm-3:30 pm

1 stop27h 45m

$733

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Wed 10/8

5:49 pm-6:40 pm

2 stops17h 51m

Lisbon Humberto Delgado

Wed 10/22

5:00 am-5:09 pm

2 stops19h 09m

$737

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Wed 10/8

1:16 pm-6:40 pm

2 stops22h 24m

Lisbon Humberto Delgado

Wed 10/22

5:00 am-10:10 pm

2 stops24h 10m

$737

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 11/17

5:25 pm-12:05 pm

1 stop35h 40m

Lisbon Humberto Delgado

Sun 11/30

6:40 pm-3:30 pm

1 stop27h 50m

$748

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 11/5

12:26 pm-3:25 pm

2 stops19h 59m

Lisbon Humberto Delgado

Sun 11/16

4:10 pm-5:45 pm

2 stops32h 35m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 35 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, January is the cheapest month in which you can book a flight from Colorado to Lisbon (average of $612). Flying from Colorado 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.

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 September 16, 2025.

When flying from Colorado to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 18h 30m. United Airlines provides one of the quickest options available for as low as $688. 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 most popular routes from Colorado to Lisbon?

    The most popular flight routes from Colorado to Lisbon are Denver Intl - Lisbon Humberto Delgado, Aspen Pitkin County - Lisbon Humberto Delgado and Colorado Springs - 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, January is the cheapest month in which you can book a flight from Colorado to Lisbon (average of $612). Flying from Colorado 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
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$458Average$676FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$539Average$1,076FlexibilityNo cancel feeOn-time72%
DeltaCheapest$548Average$962FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$555Average$672FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$569Average$896FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$582Average$708FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$597Average$887FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$598Average$883FlexibilityNo cancel feeOn-time70%
KLMCheapest$599Average$791FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$621Average$885FlexibilityNo cancel feeOn-time76%

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