HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$301+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Colorado to Lisbon

Keep the following information in mind while searching for Colorado to Lisbon flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$720
(Air Canada)

One-way from

$301
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$958
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. 19% potential increase in price ($251 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 17, 2025.

This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:20 pmDEN - LIS
1 stop12h 40mDelta
Sat 11/15:00 amLIS - DEN
2 stops23h 46mDelta
Deal found 4/16$627
This Justfly.com deal was found by Cheapflights users on 4/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:50 pmDEN - LIS
1 stop37h 10mTurkish Airlines
Sat 11/14:00 pmLIS - DEN
1 stop32h 40mTurkish Airlines
Deal found 4/16$697
This Air Canada deal was found by Cheapflights users on 4/15. 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.
Mon 10/68:28 pmDEN - LIS
2 stops29h 52mAir Canada
Thu 10/2312:50 pmLIS - DEN
2 stops28h 28mAir Canada
Deal found 4/15$710
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 11/111:50 pmDEN - LIS
1 stop28h 25mUnited Airlines
Sun 11/1611:00 amLIS - DEN
2 stops32h 24mUnited Airlines
Deal found 4/16$713
This Virgin Atlantic deal was found by Cheapflights users on 4/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/227:20 amDEN - LIS
2 stops17h 40mVirgin Atlantic
Tue 4/2912:45 pmLIS - DEN
2 stops17h 55mVirgin Atlantic
Deal found 4/15$718
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:15 pmDEN - LIS
1 stop14h 25mMultiple Airlines
Wed 5/2111:25 amLIS - DEN
1 stop13h 55mMultiple Airlines
Deal found 4/15$720
This Iberia deal was found by Cheapflights users on 4/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:37 pmDEN - LIS
2 stops18h 48mIberia
Wed 5/216:35 amLIS - DEN
2 stops20h 41mIberia
Deal found 4/15$723
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:00 pmDEN - LIS
2 stops15h 35mKLM
Wed 10/225:00 amLIS - DEN
2 stops20h 09mKLM
Deal found 4/16$743
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:35 pmDEN - LIS
1 stop14h 05mBritish Airways
Mon 10/136:45 pmLIS - DEN
1 stop28h 40mBritish Airways
Deal found 4/16$753
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/104:40 pmDEN - LIS
1 stop21h 40mIcelandair
Sun 5/2510:25 pmLIS - DEN
1 stop21h 05mIcelandair
Deal found 4/16$779
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/284:05 pmDEN - LIS
1 stop14h 30mLufthansa
Mon 5/57:30 amLIS - DEN
1 stop15h 05mLufthansa
Deal found 4/16$786
This Air France deal was found by Cheapflights users on 4/15. 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 11/410:45 amDEN - LIS
2 stops15h 15mAir France
Fri 11/1410:00 amLIS - DEN
1 stop15h 22mAir France
Deal found 4/15$787

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 17, 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 4/22

7:20 am-8:00 am

2 stops17h 40m

Lisbon Humberto Delgado

Tue 4/29

12:45 pm-11:40 pm

2 stops17h 55m

$718

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 5/13

4:15 pm-1:40 pm

1 stop14h 25m

Lisbon Humberto Delgado

Wed 5/21

11:25 am-6:20 pm

1 stop13h 55m

$720

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 5/13

4:37 pm-6:25 pm

2 stops18h 48m

Lisbon Humberto Delgado

Wed 5/21

6:35 am-8:16 pm

2 stops20h 41m

$723

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 5/6

11:30 am-11:15 am

2 stops16h 45m

Lisbon Humberto Delgado

Wed 5/21

5:00 am-8:39 pm

2 stops22h 39m

$737

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 5/10

4:40 pm-9:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 5/25

10:25 pm-12:30 pm

1 stop21h 05m

$779

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 4/28

4:05 pm-1:35 pm

1 stop14h 30m

Lisbon Humberto Delgado

Mon 5/5

7:30 am-3:35 pm

1 stop15h 05m

$786

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 5/6

6:35 pm-3:30 pm

1 stop13h 55m

Lisbon Humberto Delgado

Tue 5/20

11:05 am-9:53 pm

1 stop17h 48m

$813

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 4/26

11:20 am-2:45 pm

2 stops20h 25m

Lisbon Humberto Delgado

Sat 5/3

5:55 am-7:55 pm

2 stops21h 00m

$854

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Tue 8/12

6:15 pm-10:30 am

2 stops33h 15m

Lisbon Humberto Delgado

Sat 8/30

9:50 am-2:56 pm

2 stops36h 06m

$855

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 5/3

5:40 pm-9:20 am

1 stop32h 40m

Lisbon Humberto Delgado

Sat 5/17

11:25 am-6:20 pm

1 stop13h 55m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 28 results
1
2
3

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 $1,203). 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 17, 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 17, 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
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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
1,580 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

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 Icelandair. According to our data, you can fly for as low as $373. Users have also found prices from $560 and $577 on Scandinavian Airlines and Aer Lingus, 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, 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 $1,203). 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
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Boston to Lisbon flights
LaGuardia to Lisbon flights
Dulles Intl to Lisbon flights
Newark to Porto flights
O'Hare Intl to Lisbon flights
San Francisco to Lisbon flights
Miami to Lisbon flights
Los Angeles to Lisbon flights
Reagan-National to Lisbon flights
John F Kennedy Intl to Porto flights
Baltimore to Lisbon flights
Boston to Ponta Delgada flights
Philadelphia to Lisbon flights
Dallas/Fort Worth to Lisbon flights
Seattle to Lisbon flights
Boston to Porto flights
Newark to Ponta Delgada flights
LaGuardia to Porto flights
John F Kennedy Intl to Ponta Delgada flights
Midway to Lisbon flights
Atlanta to Lisbon flights
Denver to Lisbon flights
Hobby to Lisbon flights
Love Field to Lisbon flights
Dulles Intl to Porto flights
Portland to Lisbon flights
Charlotte to Lisbon flights
Newark to Faro flights
Reagan-National to Porto flights
Newark to Funchal flights
John F Kennedy Intl to Funchal flights
Sky Harbor Intl to Lisbon flights
Minneapolis to Lisbon flights
George Bush Intcntl to Lisbon flights
O'Hare Intl to Porto flights
Orlando to Lisbon flights
Baltimore to Porto flights
Stewart to Lisbon flights
John F Kennedy Intl to Faro flights
Detroit to Lisbon flights
Raleigh to Lisbon flights
Boston to Funchal flights
Tampa to Lisbon flights
Dallas/Fort Worth to Porto flights
San Francisco to Porto flights
San Diego to Lisbon flights
Seattle to Porto flights
Austin to Lisbon flights

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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$464Average$654FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$491Average$1,243FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$555Average$683FlexibilityNo cancel feeOn-time77%
DeltaCheapest$559Average$944FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$569Average$922FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$571Average$854FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$597Average$918FlexibilityNo cancel feeOn-time69%
KLMCheapest$606Average$836FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$635Average$980FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$652Average$1,161FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.