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Lisbon

$317+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$697
(United Airlines)

One-way from

$415
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$950
Provider with most accurate pricing for Denver Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Lisbon Humberto Delgado flights.
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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. 20% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:50 pmDEN - LIS
1 stop31h 05mTurkish Airlines
Fri 9/1211:10 amLIS - DEN
1 stop37h 45mTurkish Airlines
Deal found 3/30$694
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/811:15 amDEN - LIS
1 stop15h 05mUnited Airlines
Wed 4/1611:25 amLIS - DEN
1 stop30h 02mUnited Airlines
Deal found 3/31$697
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Wed 10/17:45 amDEN - LIS
2 stops18h 35mAir Canada
Wed 10/811:25 amLIS - DEN
1 stop29h 53mAir Canada
Deal found 4/1$703
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:35 amDEN - LIS
1 stop16h 35mMultiple Airlines
Wed 10/226:15 amLIS - DEN
1 stop15h 05mMultiple Airlines
Deal found 4/1$707
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1312:31 pmDEN - LIS
2 stops16h 39mBritish Airways
Mon 12/226:35 pmLIS - DEN
1 stop27h 50mBritish Airways
Deal found 3/31$711
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/226:35 pmDEN - LIS
1 stop13h 55mAmerican Airlines
Tue 4/297:15 amLIS - DEN
1 stop16h 10mAmerican Airlines
Deal found 3/31$725
This Lufthansa deal was found by Cheapflights users on 3/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/215:40 pmDEN - LIS
1 stop21h 25mLufthansa
Mon 4/282:25 pmLIS - DEN
1 stop30h 55mLufthansa
Deal found 3/31$733
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/264:40 pmDEN - LIS
1 stop21h 40mIcelandair
Sun 5/1110:25 pmLIS - DEN
1 stop27h 30mIcelandair
Deal found 3/31$737
This Iberia deal was found by Cheapflights users on 4/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:50 pmDEN - LIS
2 stops18h 15mIberia
Sat 11/18:20 amLIS - DEN
2 stops21h 18mIberia
Deal found 4/1$749
This Finnair deal was found by Cheapflights users on 3/31. 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.
Tue 4/2212:13 pmDEN - LIS
2 stops20h 17mFinnair
Tue 4/296:35 amLIS - DEN
2 stops23h 04mFinnair
Deal found 3/31$753
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/14:30 pmASE - LIS
2 stops33h 50mUnited Airlines
Tue 4/811:25 amLIS - ASE
2 stops34h 25mUnited Airlines
Deal found 3/31$793
This Delta deal was found by Cheapflights users on 3/31. 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.
Tue 5/66:05 amDEN - LIS
1 stop18h 55mDelta
Wed 5/1410:00 amLIS - DEN
1 stop17h 39mDelta
Deal found 3/31$811

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 April 1, 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

Fri 9/5

7:50 pm-9:55 am

1 stop31h 05m

Lisbon Humberto Delgado

Fri 9/12

11:10 am-5:55 pm

1 stop37h 45m

$694

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 9/23

2:00 pm-9:20 am

2 stops36h 20m

Lisbon Humberto Delgado

Tue 9/30

11:25 am-10:18 am

1 stop29h 53m

$701

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 9/23

7:45 am-9:20 am

2 stops18h 35m

Lisbon Humberto Delgado

Thu 10/2

11:25 am-10:18 am

1 stop29h 53m

$703

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/22

6:35 pm-5:55 pm

1 stop16h 20m

Lisbon Humberto Delgado

Tue 4/29

6:35 am-10:39 pm

2 stops23h 04m

$709

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/22

6:35 pm-3:30 pm

1 stop13h 55m

Lisbon Humberto Delgado

Tue 4/29

7:15 am-4:25 pm

1 stop16h 10m

$725

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 5/14

6:35 pm-3:40 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 5/21

7:20 am-4:25 pm

1 stop16h 05m

$727

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 4/21

5:40 pm-10:05 pm

1 stop21h 25m

Lisbon Humberto Delgado

Mon 4/28

2:25 pm-2:20 pm

1 stop30h 55m

$733

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 4/26

4:40 pm-9:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 5/11

10:25 pm-6:55 pm

1 stop27h 30m

$737

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/22

12:13 pm-3:30 pm

2 stops20h 17m

Lisbon Humberto Delgado

Tue 4/29

6:35 am-10:39 pm

2 stops23h 04m

$753

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 5/6

6:05 am-8:00 am

1 stop18h 55m

Lisbon Humberto Delgado

Wed 5/21

10:00 am-8:39 pm

1 stop17h 39m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 $1,213). 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 April 1, 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.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated April 1, 2025.
To help decide which airline to fly from Colorado to Lisbon, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $556. Users have also found prices from $558 and $562 on United Airlines and British Airways, 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, 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 $1,213). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Sintra
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$458Average$655FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$491Average$1,243FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$555Average$666FlexibilityNo cancel feeOn-time77%
DeltaCheapest$559Average$944FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$569Average$923FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$571Average$856FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$597Average$959FlexibilityNo cancel feeOn-time69%
KLMCheapest$606Average$841FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$632Average$1,154FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$635Average$988FlexibilityNo cancel feeOn-time67%
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