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$269+ Cheap flights from Denver (DEN) 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from Denver Intl to Lisbon Humberto Delgado are usually found in January or February, booked 39 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Denver to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Lisbon (LIS). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$664
(United)

One-way from

$269
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,275
Provider with most accurate pricing for Denver Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Lisbon Humberto Delgado flights.
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From Denver Intl to Lisbon Humberto Delgado
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One-way flight from Denver Intl to Lisbon Humberto Delgado
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High demand for flights, 22% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Denver to Lisbon

Cheapest flights from Denver to Lisbon
Explore the most affordable flight options available from Denver to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/315:25 amDEN - LIS
2 stops19h 35mDelta
Fri 1/105:30 amLIS - DEN
1 stop14h 05mDelta
Deal found 12/17$694
This United deal was found by Cheapflights users on 12/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:25 amDEN - LIS
1 stop14h 55mUnited Airlines
Fri 1/1011:00 amLIS - DEN
2 stops30h 35mUnited Airlines
Deal found 12/18$828
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/3112:33 pmDEN - LIS
2 stops13h 42mAmerican Airlines
Fri 1/1011:05 amLIS - DEN
2 stops18h 21mAmerican Airlines
Deal found 12/17$864
This British Airways deal was found by Cheapflights users on 12/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:30 pmDEN - LIS
1 stop21h 15mBritish Airways
Fri 1/106:45 pmLIS - DEN
1 stop27h 40mBritish Airways
Deal found 12/18$891
This KLM deal was found by Cheapflights users on 12/17. 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.
Tue 12/172:50 pmDEN - LIS
1 stop17h 20mMultiple Airlines
Tue 12/2410:00 amLIS - DEN
1 stop15h 16mMultiple Airlines
Deal found 12/17$1,153
This Justfly.com deal was found by Cheapflights users on 12/17. 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.
Sun 12/225:40 pmDEN - LIS
1 stop32h 40mAir Canada
Sun 12/2910:50 amLIS - DEN
2 stops54h 45mAir Canada
Deal found 12/17$1,210
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Mon 12/237:35 pmDEN - LIS
1 stop32h 00mTurkish Airlines
Sat 12/284:00 pmLIS - DEN
1 stop32h 40mTurkish Airlines
Deal found 12/17$1,387
This Aeromexico deal was found by Cheapflights users on 12/17. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:25 pmDEN - LIS
1 stop12h 35mAir France
Tue 1/76:30 pmLIS - DEN
2 stops32h 16mAir France
Deal found 12/17$1,591
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/215:45 pmDEN - LIS
1 stop22h 05mLufthansa
Sun 12/2912:45 pmLIS - DEN
1 stop31h 55mLufthansa
Deal found 12/17$1,792
This SWISS deal was found by Cheapflights users on 12/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:35 pmDEN - LIS
2 stops19h 25mSWISS
Tue 1/77:45 pmLIS - DEN
2 stops25h 40mSWISS
Deal found 12/17$1,820
This Icelandair deal was found by Cheapflights users on 12/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/253:40 pmDEN - LIS
2 stops19h 55mIcelandair
Mon 1/69:20 pmLIS - DEN
1 stop27h 45mIcelandair
Deal found 12/17$2,125
This Scandinavian Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/316:25 amDEN - LIS
3 stops26h 45mScandinavian Airlines
Fri 1/106:55 amLIS - DEN
2 stops22h 51mScandinavian Airlines
Deal found 12/17$2,334

Find flights from Denver to Lisbon within your budget

Customize your flight search to find flights from Denver 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 December 18, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 3/16

11:25 am-11:25 am

2 stops18h 00m

Lisbon Humberto Delgado

Sun 3/23

11:00 am-8:46 am

2 stops27h 46m

$683

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 3/13

4:00 pm-2:35 pm

2 stops16h 35m

Lisbon Humberto Delgado

Sun 3/16

5:30 am-1:35 pm

1 stop14h 05m

$685

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 3/18

10:38 am-8:00 am

2 stops15h 22m

Lisbon Humberto Delgado

Fri 3/28

10:55 am-9:51 pm

2 stops16h 56m

$686

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 1/11

5:30 pm-2:50 pm

1 stop14h 20m

Lisbon Humberto Delgado

Fri 1/17

6:45 pm-3:25 pm

1 stop27h 40m

$692

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 3/12

6:30 pm-2:55 pm

1 stop14h 25m

Lisbon Humberto Delgado

Sun 3/23

6:40 pm-4:25 pm

1 stop27h 45m

$693

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 4/2

10:40 am-10:45 am

2 stops17h 05m

Lisbon Humberto Delgado

Wed 4/16

10:00 am-6:34 pm

1 stop15h 34m

$697

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 1/12

3:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Fri 1/17

9:20 pm-6:05 pm

1 stop27h 45m

$701

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 1/1

11:30 am-6:35 am

1 stop12h 05m

Lisbon Humberto Delgado

Sat 1/11

10:00 am-7:46 pm

1 stop16h 46m

$703

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 3/13

6:30 am-4:10 pm

3 stops27h 40m

Lisbon Humberto Delgado

Wed 3/26

7:05 am-11:02 pm

2 stops21h 57m

$705

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 2/10

8:29 pm-9:20 am

2 stops29h 51m

Lisbon Humberto Delgado

Wed 2/19

10:15 am-11:30 pm

3 stops20h 15m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 27 results
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Compare providers for flights from Denver to Lisbon

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 Denver to Lisbon in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 Denver-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Lisbon 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 Denver-Lisbon 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 Denver to Lisbon

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

Travel insights for flights from Denver to Lisbon

Get recent, data-driven insights about flights from Denver to Lisbon including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Denver to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Lisbon. Price data was last updated on December 13, 2024.

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Denver to Lisbon (average of $612). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,180). 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 DEN to LIS?

Find hourly flight availability from Denver 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 December 18, 2024.

It’s optimal to fly from Denver to Lisbon in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Denver to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Denver to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Lisbon flight should consider departing on Sunday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 18, 2024.
See what other customers who have flown with British Airways, Air France and Delta from Denver to Lisbon have to say. 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
8,604 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very good
8,604 reviews

Food

7.3

Crew

8.6

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

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

    According to our current data, United Airlines ($664), Air Canada ($683), and Delta ($685) offers the cheapest pricing from Denver to Lisbon. Users have found that United Airlines is 37% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $412. However, be on the lookout for offers from British Airways and Finnair, as they are both options that can get you from Denver to Lisbon for a low price.

  • Where are the most common layover locations when flying from Denver to Lisbon?

    Denver to Lisbon flights have a layover in London most of the time. Washington, D.C. is the second most popular location for layovers on flights from Denver to Lisbon. Newark comes next as the third most popular layover location for Denver to Lisbon flights.

  • What are some popular things to do or see while on a layover in London?

    Most London visitors opt to spend their time experiencing Hyde Park, Piccadilly Circus, and Trafalgar Square. Those on a layover in London interested in visiting Hyde Park, Piccadilly Circus, or Trafalgar Square can do so by traveling 12.5 mi, 14.1 mi, and 14.3 mi, respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $35 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Washington, D.C.?

    The majority of Washington, D.C. visitors spend their time at White House, National Mall, and U.S. Capitol. White House, National Mall, and U.S. Capitol can be visited by traveling about 22.4 mi, 23.3 mi, and 24.0 mi respectively from Washington, D.C. Dulles Intl. Travelers in need of a car in Washington, D.C. can rent one for about $52 per day.

  • What are points of interest worth seeing during a layover in Newark?

    Most Newark visitors opt to spend their time at New Jersey Performing Arts Center, 550 Broad Street, and Stanley Theater. New Jersey Performing Arts Center, 550 Broad Street, and Stanley Theater are located about 3.0 mi, 3.1 mi, and 4.4 mi, respectively from Newark. Travelers in need of a car in Newark can rent one for about $62 per day.

  • Where are the least popular layover locations for Denver to Lisbon flights?

    The least popular layover on flights from Denver to Lisbon is Munich. Philadelphia sees the next fewest layovers on Denver to Lisbon flights.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Lisbon (average of $612). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,180). 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

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Top 10 airlines flying from Denver to Lisbon

Discover the top 10 airlines that operate flights from Denver 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$537Average$995FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$539Average$855FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$548Average$1,024FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$551Average$941FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$555Average$748FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$601Average$999FlexibilityNo cancel feeOn-time71%
KLMCheapest$606Average$908FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$677Average$1,186FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$699Average$1,184FlexibilityNo cancel feeOn-time76%
SWISSCheapest$712Average$1,202FlexibilityNo cancel feeOn-time79%
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