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$463+ Cheap flights from Lisbon (LIS) to Denver (DEN)

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DEN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Lisbon to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$838
(Kiwi.com)

One-way from

$463
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$941
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.
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From Lisbon Humberto Delgado to Denver Intl
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One-way flight from Lisbon Humberto Delgado to Denver Intl
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Highest demand for flights based on searches. 7% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Lisbon to Denver

Cheapest flights from Lisbon to Denver
Explore the most affordable flight options available from Lisbon to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/205:55 pmLIS - DEN
2 stops38h 35mMultiple Airlines
Wed 11/263:40 pmDEN - LIS
1 stop21h 40mMultiple Airlines
Deal found 11/12$742
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/195:40 pmLIS - DEN
2 stops45h 39mMultiple Airlines
Wed 11/263:40 pmDEN - LIS
1 stop21h 40mMultiple Airlines
Deal found 11/12$758
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Fri 11/219:00 pmLIS - DEN
2 stops35h 30mMultiple Airlines
Wed 11/263:40 pmDEN - LIS
1 stop21h 40mMultiple Airlines
Deal found 11/12$781
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sat 11/226:00 amLIS - DEN
2 stops26h 30mMultiple Airlines
Wed 11/263:40 pmDEN - LIS
1 stop21h 40mMultiple Airlines
Deal found 11/12$783
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/205:55 pmLIS - DEN
2 stops38h 35mMultiple Airlines
Thu 11/276:22 amDEN - LIS
1 stop20h 33mMultiple Airlines
Deal found 11/12$806
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/155:00 amLIS - DEN
1 stop15h 40mLufthansa
Mon 12/294:05 pmDEN - LIS
1 stop11h 10mLufthansa
Deal found 11/11$838
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Fri 11/219:00 pmLIS - DEN
2 stops35h 30mMultiple Airlines
Thu 11/276:22 amDEN - LIS
1 stop20h 33mMultiple Airlines
Deal found 11/12$845
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sat 11/226:00 amLIS - DEN
2 stops26h 30mMultiple Airlines
Thu 11/276:22 amDEN - LIS
1 stop20h 33mMultiple Airlines
Deal found 11/12$847
This Gotogate deal was found by Cheapflights users on 11/12. 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.
Mon 12/155:00 amLIS - DEN
1 stop18h 00mMultiple Airlines
Mon 12/297:05 pmDEN - LIS
2 stops31h 15mMultiple Airlines
Deal found 11/12$851
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/225:00 amLIS - DEN
1 stop18h 00mUnited Airlines
Sat 11/298:00 amDEN - LIS
1 stop19h 15mUnited Airlines
Deal found 11/12$856
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Mon 12/155:00 amLIS - DEN
1 stop15h 40mUnited Airlines
Mon 12/296:00 pmDEN - LIS
1 stop33h 15mUnited Airlines
Deal found 11/11$861

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Denver 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 November 13, 2025.
Use the filters below to find and compare flights from Lisbon to Denver that are best for you.

Fly from

Lisbon

Fly to

Denver

Route

Depart

Return

Price

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 12/15

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Mon 12/29

4:05 pm-10:15 am

1 stop11h 10m

$838

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 12/15

5:00 am-4:00 pm

1 stop18h 00m

Denver Intl

Mon 12/29

7:05 pm-9:20 am

2 stops31h 15m

$851

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/29

5:05 am-1:35 pm

1 stop15h 30m

Denver Intl

Sun 5/3

6:00 am-10:30 am

1 stop21h 30m

$855

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 12/15

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Sun 12/28

6:00 am-10:15 am

1 stop21h 15m

$856

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 12/15

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Mon 12/29

6:00 pm-10:15 am

1 stop33h 15m

$861

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 12/26

6:10 am-2:35 pm

1 stop15h 25m

Denver Intl

Fri 1/2

6:00 am-10:15 am

1 stop21h 15m

$868

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/29

11:05 am-9:51 pm

2 stops17h 46m

Denver Intl

Sun 5/3

2:42 pm-9:05 am

1 stop11h 23m

$889

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 11/22

12:35 pm-3:42 pm

2 stops34h 07m

$463

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sun 3/15

6:10 am-1:45 pm

2 stops37h 35m

$506

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 3/27

8:50 pm-12:19 pm

3 stops45h 29m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 16 results
1
2

Compare providers for flights from Lisbon to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Denver in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

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

Currently, February is the cheapest month in which you can book a flight from Lisbon to Denver (average of $703). Flying from Lisbon to Denver in June is currently the most expensive (average of $1,029). 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 Denver?

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated November 13, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and British Airways from Lisbon to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
9,015 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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.
British Airways
6.7
Okay
7,516 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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 Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Lisbon to Denver?

    Airlines like Lufthansa and United Airlines fly from Lisbon to Denver in about 15h 30m. The time it takes to get you to your destination can typically vary by up to 10m. There are 4826 mi between Lisbon and Denver. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Lisbon to Denver round-trip?

    Currently priced at $749, British Airways will fly you from Lisbon to Denver and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $758 and $809, respectively. British Airways is 21% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Lisbon to Denver (average of $703). Flying from Lisbon to Denver in June is currently the most expensive (average of $1,029). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Wheat Ridge
Central City
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lisbon to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Colorado Springs flights
Funchal to Denver flights

Top 3 airlines flying from Lisbon to Denver

Discover the top 3 airlines that operate flights from Lisbon to Denver. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$749Average$932FlexibilityNo cancel feeOn-time70%
DeltaCheapest$758Average$958FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$809Average$1,063FlexibilityNo cancel feeOn-time69%

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