HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$334+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DEN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lisbon to Denver 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 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 February 12, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 2/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:25 pm
LIS
-
DEN
2 stops38h 33m
Scandinavian Airlines
Sun 5/246:05 am
DEN
-
LIS
2 stops26h 40m
Scandinavian Airlines
Deal found 2/10$823
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/910:10 am
LIS
-
DEN
1 stop28h 16m
Multiple Airlines
Tue 3/248:17 am
DEN
-
LIS
2 stops32h 33m
Multiple Airlines
Deal found 2/9$826
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/209:10 am
LIS
-
DEN
2 stops33h 10m
Multiple Airlines
Mon 7/206:10 pm
DEN
-
LIS
1 stop33h 50m
Multiple Airlines
Deal found 2/12$839
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sun 3/810:10 am
LIS
-
DEN
1 stop28h 16m
Multiple Airlines
Tue 3/178:17 am
DEN
-
LIS
2 stops32h 33m
Multiple Airlines
Deal found 2/9$845
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/38:05 pm
LIS
-
DEN
2 stops43h 22m
Multiple Airlines
Sat 4/184:40 pm
DEN
-
LIS
1 stop14h 10m
Multiple Airlines
Deal found 2/10$846
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/1310:15 am
LIS
-
DEN
1 stop18h 40m
Multiple Airlines
Tue 3/248:17 am
DEN
-
LIS
2 stops32h 33m
Multiple Airlines
Deal found 2/9$857
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/115:10 pm
LIS
-
DEN
1 stop21h 16m
Multiple Airlines
Tue 3/248:17 am
DEN
-
LIS
2 stops32h 33m
Multiple Airlines
Deal found 2/9$859
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/115:00 am
LIS
-
DEN
2 stops23h 06m
Lufthansa
Wed 3/255:20 pm
DEN
-
LIS
1 stop14h 00m
Lufthansa
Deal found 2/9$871
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 3/55:00 am
LIS
-
DEN
2 stops21h 36m
Lufthansa
Wed 3/184:00 pm
DEN
-
LIS
1 stop12h 15m
Lufthansa
Deal found 2/11$875
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/265:00 am
LIS
-
DEN
1 stop15h 40m
Lufthansa
Wed 3/119:20 pm
DEN
-
LIS
1 stop20h 10m
Lufthansa
Deal found 2/9$876
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/125:00 am
LIS
-
DEN
2 stops19h 06m
Multiple Airlines
Thu 3/1911:40 am
DEN
-
LIS
1 stop14h 30m
Multiple Airlines
Deal found 2/12$878
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/35:05 am
LIS
-
DEN
1 stop15h 30m
Lufthansa
Sat 4/184:05 pm
DEN
-
LIS
1 stop14h 35m
Lufthansa
Deal found 2/10$879

Find 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$823
(Scandinavian Airlines)

One-way from

$334
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$958
Provider with most accurate pricing for Lisbon Humberto Delgado-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Denver Intl flights.
Search Deals
From Lisbon Humberto Delgado to Denver Intl
Search Deals
One-way flight from Lisbon Humberto Delgado to Denver Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 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 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 February 12, 2026.
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

Fri 4/3

8:05 pm-8:27 am

2 stops43h 22m

Denver Intl

Sat 4/18

4:40 pm-1:50 pm

1 stop14h 10m

$846

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 3/5

5:00 am-7:36 pm

2 stops21h 36m

Denver Intl

Wed 3/18

4:00 pm-10:15 am

1 stop12h 15m

$875

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 3/12

5:00 am-6:06 pm

2 stops19h 06m

Denver Intl

Thu 3/19

11:40 am-8:10 am

1 stop14h 30m

$878

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 4/3

5:05 am-1:35 pm

1 stop15h 30m

Denver Intl

Sat 4/18

4:05 pm-1:40 pm

1 stop14h 35m

$879

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 2/26

5:00 am-4:00 pm

1 stop18h 00m

Denver Intl

Wed 3/11

12:33 pm-8:10 am

1 stop13h 37m

$899

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 3/9

5:00 am-5:00 pm

1 stop18h 00m

Denver Intl

Tue 3/17

1:40 pm-8:10 am

1 stop12h 30m

$899

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 3/11

5:00 am-5:00 pm

1 stop18h 00m

Denver Intl

Thu 3/19

4:00 pm-10:15 am

1 stop12h 15m

$899

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/15

5:05 am-1:35 pm

1 stop15h 30m

Denver Intl

Sun 4/19

3:55 pm-10:30 am

1 stop11h 35m

$899

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 3/12

5:00 am-2:40 pm

1 stop15h 40m

Denver Intl

Thu 3/19

12:33 pm-8:10 am

1 stop13h 37m

$899

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 3/12

5:00 am-5:00 pm

1 stop18h 00m

Denver Intl

Wed 3/18

1:40 pm-8:10 am

1 stop12h 30m

$899

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 18 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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Denver flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, April is the cheapest month in which you can book a flight from Lisbon to Denver (average of $750). Flying from Lisbon to Denver 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 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 February 12, 2026.
Get a feel of what it's like to fly with United Airlines 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.
United Airlines
7.4
Good
9,283 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,283 reviews
United Airlines
7.4
Good
9,283 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 fly from Lisbon to Denver in about 21h 36m. The time it takes to get you to your destination can typically vary by up to . There are 4826 mi between Lisbon and Denver.

  • What is the cheapest airline to fly from Lisbon to Denver round-trip?

    Currently priced at $874, United Airlines will fly you from Lisbon to Denver and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 10% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • 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, April is the cheapest month in which you can book a flight from Lisbon to Denver (average of $750). Flying from Lisbon to Denver 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

Traveling to a place near Denver?

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

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 Lisbon to Denver

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

Top airline flying from Lisbon to Denver

Discover the top airline 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$874Average$1,074FlexibilityNo cancel feeOn-time69%

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.