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$345+ Cheap flights from Lisbon (LIS) to Colorado

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DEN
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Lisbon to Colorado

Cheapest flights from Lisbon to Colorado
Explore the most affordable flight options available from Lisbon to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:05 pm
LIS
-
DEN
3 stops28h 00m
Multiple Airlines
Tue 3/104:40 pm
DEN
-
LIS
2 stops23h 05m
Multiple Airlines
Deal found 2/3$741
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:45 pm
LIS
-
DEN
2 stops23h 24m
Multiple Airlines
Mon 3/2311:59 pm
DEN
-
LIS
2 stops27h 56m
Multiple Airlines
Deal found 2/4$776
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.
Mon 3/210:10 am
LIS
-
DEN
1 stop30h 01m
Multiple Airlines
Mon 3/911:28 am
DEN
-
LIS
2 stops21h 07m
Multiple Airlines
Deal found 2/2$832
This deal was found by Cheapflights users on 2/3. 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.
Sat 2/77:00 am
LIS
-
DEN
1 stop15h 30m
British Airways
Sun 2/85:25 pm
DEN
-
LIS
1 stop14h 25m
British Airways
Deal found 2/3$836
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/35:00 am
LIS
-
DEN
1 stop15h 40m
Lufthansa
Tue 3/105:20 pm
DEN
-
LIS
1 stop14h 00m
Lufthansa
Deal found 2/3$897
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 4/155:05 am
LIS
-
DEN
1 stop15h 30m
United Airlines
Sun 4/197:45 am
DEN
-
LIS
1 stop19h 45m
United Airlines
Deal found 2/4$898
This United Airlines deal was found by Cheapflights users on 2/5. 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 4/45:05 am
LIS
-
DEN
1 stop15h 30m
United Airlines
Sat 4/1811:35 am
DEN
-
LIS
1 stop13h 45m
United Airlines
Deal found 2/5$902
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 2/106:30 am
LIS
-
COS
2 stops36h 39m
American Airlines
Sat 2/144:51 pm
COS
-
LIS
2 stops33h 14m
American Airlines
Deal found 2/2$907
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.
Tue 2/105:00 am
LIS
-
COS
2 stops24h 06m
United Airlines
Sat 2/145:59 am
COS
-
LIS
2 stops19h 11m
United Airlines
Deal found 2/1$977

Find flight deals from Lisbon to Colorado

Keep the following information in mind while searching for Lisbon to Colorado flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$741
(Mytrip)

One-way from

$345
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$874
Provider with most accurate pricing for Lisbon Humberto Delgado-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Denver Intl flights.
Search Deals
From Lisbon Humberto Delgado to Colorado
Search Deals
One-way flight from Lisbon Humberto Delgado to Colorado
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 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 Lisbon to Colorado 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 5, 2026.
Use the filters below to find and compare flights from Lisbon to Colorado that are best for you.

Fly from

Lisbon

Fly to

Colorado

Route

Depart

Return

Price

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 3/3

9:05 pm-6:05 pm

3 stops28h 00m

Denver Intl

Tue 3/10

4:40 pm-8:30 am

3 stops33h 50m

$749

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 3/2

10:10 am-9:11 am

1 stop30h 01m

Denver Intl

Mon 3/9

11:28 am-2:35 pm

2 stops21h 07m

$832

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 3/18

5:00 am-2:40 pm

1 stop15h 40m

Denver Intl

Mon 3/23

4:00 pm-10:15 am

1 stop12h 15m

$880

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/15

5:05 am-3:40 pm

1 stop17h 35m

Denver Intl

Sun 4/19

3:55 pm-10:30 am

1 stop11h 35m

$898

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sun 2/22

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Sat 3/7

4:10 pm-10:15 am

1 stop11h 05m

$898

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 3/18

5:00 am-5:00 pm

1 stop18h 00m

Denver Intl

Mon 3/23

9:36 am-8:10 am

2 stops16h 34m

$898

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 3/3

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Tue 3/10

4:00 pm-10:15 am

1 stop12h 15m

$900

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/22

9:10 pm-9:05 am

3 stops42h 55m

$345

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 4/25

9:50 am-3:59 am

3 stops49h 09m

$388

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 4/18

6:35 am-12:58 pm

2 stops37h 23m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 15 results
1
2

Best time to book a flight from Lisbon to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Lisbon 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 Lisbon to Colorado

What is the cheapest month to book a flight from Lisbon to Colorado?

Currently, February is the cheapest month in which you can book a flight from Lisbon to Colorado (average of $706). Flying from Lisbon to Colorado in June is currently the most expensive (average of $993). 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.

How much does it cost to fly round-trip from Lisbon to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated February 5, 2026.
Read through reviews of airlines operating flights from Lisbon to Colorado, such as Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,151 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,151 reviews
Delta
7.9
Good
8,151 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,240 reviews
Delta
7.9
Good
8,151 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Colorado. 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 from for flights from Lisbon to Colorado?

    Lisbon Humberto Delgado (LIS) is the airport you will fly out of if you book a flight from Lisbon to Colorado. It is only a 4.2 mi journey to Humberto Delgado (LIS) from Lisbon’s city center.

  • How long is the flight from Lisbon to Colorado?

    Airlines like Lufthansa fly from Lisbon to Colorado in about 15h 40m. The time it takes to get you to your destination can typically vary by up to . The distance from Lisbon to Colorado is about 4826 mi.

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

    The cheapest airlines for a one-way flight from Lisbon to Colorado are British Airways ($564), American Airlines ($565), and Aer Lingus ($566).

  • Can I find deals for flights from Lisbon to Colorado that include hotel bookings?

    Yes. In addition to deals on Lisbon to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Colorado.

  • Can I find deals for business class flights from Lisbon to Colorado?

    Yes. Cheapflights offers flight deals from Lisbon to Colorado 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 Lisbon to Colorado?

    Currently, February is the cheapest month in which you can book a flight from Lisbon to Colorado (average of $706). Flying from Lisbon to Colorado in June is currently the most expensive (average of $993). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lisbon to Colorado

Discover the top 2 airlines that operate flights from Lisbon to Colorado. 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 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$758Average$958FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$874Average$1,074FlexibilityNo cancel feeOn-time69%

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