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Lisbon

$259+ 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
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:22 pm
COS
-
LIS
2 stops19h 08m
American Airlines
Thu 4/168:25 am
LIS
-
COS
2 stops22h 07m
American Airlines
Deal found 2/1$505
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:43 am
COS
-
LIS
2 stops13h 27m
United Airlines
Tue 2/105:00 am
LIS
-
COS
2 stops23h 58m
United Airlines
Deal found 2/1$551
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:24 am
ASE
-
LIS
2 stops17h 46m
United Airlines
Mon 3/210:15 am
LIS
-
ASE
2 stops17h 04m
United Airlines
Deal found 2/1$556
This oojo deal was found by Cheapflights users on 2/2. 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.
Wed 5/64:40 pm
DEN
-
LIS
1 stop14h 10m
Icelandair
Thu 5/2110:20 pm
LIS
-
DEN
1 stop21h 20m
Icelandair
Deal found 2/2$574
This KAYAK deal was found by Cheapflights users on 2/2. 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 2/234:15 pm
DEN
-
LIS
2 stops24h 15m
Lufthansa
Thu 3/56:10 am
LIS
-
DEN
2 stops24h 11m
Lufthansa
Deal found 2/2$575
This United Airlines deal was found by Cheapflights users on 2/2. 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 10/137:00 am
COS
-
LIS
2 stops19h 20m
United Airlines
Thu 10/295:00 am
LIS
-
COS
2 stops21h 08m
United Airlines
Deal found 2/2$576
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:21 pm
DEN
-
LIS
2 stops22h 54m
Lufthansa
Wed 5/67:25 am
LIS
-
DEN
1 stop15h 15m
Lufthansa
Deal found 2/1$576
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/265:45 pm
DEN
-
LIS
1 stop14h 20m
Lufthansa
Thu 3/55:00 am
LIS
-
DEN
1 stop18h 00m
Lufthansa
Deal found 2/2$577
This oojo deal was found by Cheapflights users on 2/2. 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.
Tue 10/1310:55 am
COS
-
LIS
2 stops24h 00m
British Airways
Wed 10/287:05 am
LIS
-
COS
2 stops22h 14m
British Airways
Deal found 2/2$578
This deal was found by Cheapflights users on 2/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:40 pm
DEN
-
LIS
1 stop11h 30m
United Airlines
Thu 2/2611:55 am
LIS
-
DEN
1 stop14h 36m
United Airlines
Deal found 2/1$578
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/31:40 pm
DEN
-
LIS
2 stops18h 05m
American Airlines
Tue 2/1011:05 am
LIS
-
DEN
2 stops17h 11m
American Airlines
Deal found 2/2$579
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:30 pm
DEN
-
LIS
2 stops21h 40m
British Airways
Mon 5/46:45 pm
LIS
-
DEN
2 stops34h 55m
British Airways
Deal found 2/1$580

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$505
(American Airlines)

One-way from

$259
(oojo)

Popular in

June

Cheapest in

November

Average price

$748
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. 17% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 2026.
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

Tue 4/7

12:22 pm-2:30 pm

2 stops19h 08m

Lisbon Humberto Delgado

Thu 4/16

8:25 am-11:32 pm

2 stops22h 07m

$505

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Thu 2/26

11:05 am-8:10 am

2 stops14h 05m

Lisbon Humberto Delgado

Mon 3/2

10:15 am-8:19 pm

2 stops17h 04m

$556

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/14

12:44 pm-2:55 pm

2 stops19h 11m

Lisbon Humberto Delgado

Fri 4/24

5:35 am-9:27 pm

2 stops22h 52m

$578

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 5/3

6:00 am-10:30 am

1 stop21h 30m

Lisbon Humberto Delgado

Fri 5/8

5:05 am-3:40 pm

1 stop17h 35m

$582

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 5/4

4:05 pm-10:45 pm

1 stop23h 40m

Lisbon Humberto Delgado

Tue 5/12

5:05 am-3:40 pm

1 stop17h 35m

$604

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Fri 2/27

12:46 pm-8:10 am

1 stop12h 24m

Lisbon Humberto Delgado

Tue 3/3

5:00 am-1:40 pm

1 stop15h 40m

$606

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 2/26

8:20 pm-11:30 pm

1 stop20h 10m

Lisbon Humberto Delgado

Fri 3/6

6:10 am-6:55 pm

1 stop19h 45m

$611

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/28

6:40 am-8:50 am

2 stops19h 10m

Lisbon Humberto Delgado

Tue 5/12

5:00 am-5:52 pm

2 stops19h 52m

$616

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 4/20

6:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Sat 5/9

5:00 am-8:15 pm

2 stops22h 15m

$622

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 3/1

11:33 am-8:00 am

1 stop13h 27m

Lisbon Humberto Delgado

Sun 3/8

10:00 am-9:46 pm

1 stop17h 46m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 29 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 $503). Flying from Colorado to Lisbon in June is currently the most expensive (average of $857). 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.

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 16h 05m. American Airlines provides one of the quickest options available for as low as $556. Airlines will cover a distance of 4947 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 $333 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 $503). Flying from Colorado to Lisbon in June is currently the most expensive (average of $857). 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
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$458Average$663FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$514Average$889FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$555Average$821FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$559Average$830FlexibilityNo cancel feeOn-time76%
DeltaCheapest$575Average$958FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$586Average$695FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$595Average$866FlexibilityNo cancel feeOn-time67%
KLMCheapest$599Average$686FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$603Average$984FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$655Average$1,069FlexibilityNo cancel feeOn-time77%

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