How long is the flight from Denver to Lisbon?

For as low as $575, United Airlines can have you in Lisbon from Denver in 19h 15m. Denver and Lisbon are separated by a distance of 4826 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 flying from Denver to Lisbon round-trip?

According to our current data, Icelandair ($458), Virgin Atlantic ($539), and Turkish Airlines ($555) offers the cheapest pricing from Denver to Lisbon. Users have found that Icelandair is 51% cheaper than the other options available to this destination.

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.

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).

What are the most popular airlines that fly from Denver to Lisbon?

Before booking your flight from Denver to Lisbon check out the most popular airlines for this route: United Airlines, British Airways or Lufthansa.

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

Denver to Lisbon flights have a layover in Washington, D.C. most of the time. Munich is the second most popular location for layovers on flights from Denver to Lisbon.

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

The least popular layover on flights from Denver to Lisbon is New York. London sees the next fewest layovers on Denver to Lisbon flights.

What are some popular things to do or see while on a layover in Washington, D.C.?

Most Washington, D.C. visitors opt to spend their time experiencing White House, National Mall, and U.S. Capitol. Those on a layover in Washington, D.C. interested in visiting White House, National Mall, or U.S. Capitol can do so by traveling 22.4 mi, 23.3 mi, and 24.0 mi, respectively from Washington, D.C. Dulles Intl. Travelers can book a car rental at Washington, D.C. Dulles Intl for about $51 per day to make their sightseeing more efficient.

What are some popular points of interest to see during a layover in Munich?

The majority of Munich visitors spend their time at Theresienwiese, Marienplatz, and Altes Rathaus. Theresienwiese, Marienplatz, and Altes Rathaus can be visited by traveling about 18.8 mi, 17.8 mi, and 17.8 mi respectively from Munich Franz Josef Strauss. Travelers in need of a car in Munich can rent one for about $44 per day.

Most accurate provider : When it comes to deals on Denver-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Lisbon flight deals on Cheapflights vs. eDreams >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 Gurufare the most. Gurufare 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.

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.

$245+ Cheap Flights from Denver to Lisbon

Q: How much does it cost to fly round-trip from Denver to Lisbon?

Airfare is below average for this route at the moment. Denver to Lisbon flights typically cost between $606 and $912 in November. The cheapest round-trip price found within the last 3 days was $562 on Multiple Airlines (Nov 17-Dec 2).

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Find cheap flights from Denver to Lisbon 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.

Cheapflights Tip: The best prices from Denver Intl to Lisbon Humberto Delgado are usually found in January or November, booked 62 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 novembre 6, 2025.

sam. 11/155:56 pmDEN - LIS

1 stop33h 19mUnited Airlines

mer. 12/35:00 amLIS - DEN

1 stop18h 00mUnited Airlines

Deal found 11/6

$562

lun. 11/174:20 pmDEN - LIS

1 stop24h 10mLufthansa

mar. 12/22:10 pmLIS - DEN

1 stop31h 25mLufthansa

Deal found 11/5

$564

dim. 11/1611:47 amDEN - LIS

1 stop13h 13mDelta

jeu. 12/45:00 amLIS - DEN

2 stops25h 45mDelta

Deal found 11/4

$565

mar. 11/185:25 pmDEN - LIS

2 stops23h 05mLufthansa

mer. 12/35:00 amLIS - DEN

2 stops26h 15mLufthansa

Deal found 11/5

$567

mar. 11/185:25 pmDEN - LIS

2 stops23h 05mLufthansa

mar. 12/22:10 pmLIS - DEN

1 stop31h 25mLufthansa

Deal found 11/4

$569

dim. 11/169:35 amDEN - LIS

1 stop17h 40mUnited Airlines

mar. 12/212:20 pmLIS - DEN

1 stop34h 40mUnited Airlines

Deal found 11/5

$570

dim. 11/1611:47 amDEN - LIS

1 stop13h 13mDelta

ven. 12/511:25 amLIS - DEN

2 stops29h 36mDelta

Deal found 11/4

$571

mar. 11/1812:10 pmDEN - LIS

1 stop13h 55mMultiple Airlines

lun. 1/124:10 pmLIS - DEN

2 stops33h 03mMultiple Airlines

Deal found 11/6

$572

dim. 11/167:25 pmDEN - LIS

2 stops30h 55mAir Canada

jeu. 12/410:55 amLIS - DEN

2 stops38h 11mAir Canada

Deal found 11/5

$577

Best flights from Denver to Lisbon
Discover carefully curated flight deals from Denver to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated novembre 6, 2025.

lun. 12/297:50 amDEN - LIS

1 stop19h 25mUnited Airlines

mar. 1/1311:20 amLIS - DEN

1 stop15h 35mUnited Airlines

Deal found 11/6

$564

mar. 11/1812:10 pmDEN - LIS

1 stop13h 55mMultiple Airlines

lun. 1/124:10 pmLIS - DEN

2 stops33h 03mMultiple Airlines

Deal found 11/6

$572

dim. 11/165:45 amDEN - LIS

2 stops19h 15mDelta

jeu. 12/45:30 amLIS - DEN

2 stops22h 07mDelta

Deal found 11/4

$575

sam. 11/157:10 amDEN - LIS

1 stop18h 50mKLM

dim. 11/235:00 amLIS - DEN

2 stops17h 39mKLM

Deal found 11/5

$665

lun. 12/15:56 pmDEN - LIS

1 stop33h 19mUnited Airlines

dim. 12/1410:50 amLIS - DEN

1 stop30h 33mUnited Airlines

Deal found 11/5

$610

sam. 11/1511:47 amDEN - LIS

2 stops20h 23mDelta

mer. 12/311:25 amLIS - DEN

2 stops19h 20mDelta

Deal found 11/6

$619

sam. 11/158:30 pmDEN - LIS

2 stops30h 45mUnited Airlines

dim. 11/235:00 amLIS - DEN

2 stops21h 40mUnited Airlines

Deal found 11/5

$615

sam. 11/1511:15 amDEN - LIS

2 stops13h 55mUnited Airlines

mer. 12/36:10 amLIS - DEN

2 stops20h 54mUnited Airlines

Deal found 11/5

$617

sam. 1/315:30 pmDEN - LIS

1 stop32h 50mUnited Airlines

sam. 2/712:20 pmLIS - DEN

2 stops34h 32mUnited Airlines

Deal found 11/6

$632

Last-minute flights from Denver to Lisbon
Discover last-minute flight deals from Denver to Lisbon. Data last updated novembre 6, 2025 and is based on user searches.

sam. 11/155:56 pmDEN - LIS

1 stop33h 19mUnited Airlines

mer. 12/35:00 amLIS - DEN

1 stop18h 00mUnited Airlines

Deal found 11/6

$562

dim. 11/1611:47 amDEN - LIS

1 stop13h 13mDelta

mer. 12/35:00 amLIS - DEN

2 stops21h 01mDelta

Deal found 11/4

$565

dim. 11/169:35 amDEN - LIS

1 stop17h 40mUnited Airlines

mar. 12/212:20 pmLIS - DEN

1 stop34h 40mUnited Airlines

Deal found 11/5

$570

dim. 11/1611:47 amDEN - LIS

1 stop13h 13mDelta

ven. 12/511:25 amLIS - DEN

2 stops29h 36mDelta

Deal found 11/4

$571

dim. 11/167:25 pmDEN - LIS

2 stops30h 55mAir Canada

jeu. 12/410:55 amLIS - DEN

2 stops38h 11mAir Canada

Deal found 11/5

$577

lun. 11/174:20 pmDEN - LIS

1 stop24h 10mLufthansa

mar. 12/22:10 pmLIS - DEN

1 stop31h 25mLufthansa

Deal found 11/5

$564

mar. 11/185:25 pmDEN - LIS

2 stops23h 05mLufthansa

jeu. 12/45:00 amLIS - DEN

2 stops21h 27mLufthansa

Deal found 11/5

$567

mar. 11/185:25 pmDEN - LIS

2 stops23h 05mLufthansa

mar. 12/22:10 pmLIS - DEN

1 stop31h 25mLufthansa

Deal found 11/4

$569

mar. 11/1812:10 pmDEN - LIS

1 stop13h 55mMultiple Airlines

lun. 1/124:10 pmLIS - DEN

2 stops33h 03mMultiple Airlines

Deal found 11/6

$572

One-way flights from Denver to Lisbon
Search for one-way flight options from Denver to Lisbon. Find affordable one-way fares based on user searches. Data last updated novembre 6, 2025.

dim. 2/111:59 pmDEN - LIS

2 stops39h 36mMultiple Airlines

Deal found 11/5

$245

dim. 2/112:59 amDEN - LIS

3 stops32h 56mMultiple Airlines

Deal found 11/5

$246

lun. 2/212:59 amDEN - LIS

3 stops31h 01mMultiple Airlines

Deal found 11/5

$250

mar. 2/312:59 amDEN - LIS

3 stops32h 46mMultiple Airlines

Deal found 11/5

$251

mar. 2/35:25 pmDEN - LIS

1 stop21h 20mBritish Airways

Deal found 11/5

$257

mer. 2/45:25 pmDEN - LIS

1 stop35h 45mBritish Airways

Deal found 11/5

$259

sam. 12/63:40 pmDEN - LIS

1 stop21h 40mIcelandair

Deal found 11/6

$261

mar. 2/33:17 pmDEN - LIS

2 stops16h 28mAmerican Airlines

Deal found 11/5

$262

lun. 12/811:00 pmDEN - LIS

3 stops37h 15mMultiple Airlines

Deal found 11/6

$291

dim. 11/238:00 pmDEN - LIS

3 stops41h 35mMultiple Airlines

Deal found 11/5

$294

Cheap flight deals from Denver to Lisbon

Most accurate provider	eDreams 3 stars
Most trusted provider	Gurufare 3 stars
Round-trip from	$562 (United)
One-way from	$245 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$765

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 Denver Intl to Lisbon Humberto Delgado

Search Deals

One-way flight from Denver Intl to Lisbon Humberto Delgado

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($182 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

lun. 12/29

7:50 am-10:15 am

1 stop19h 25m

Lisbon Humberto Delgado

mar. 1/13

11:20 am-7:55 pm

1 stop15h 35m

$564

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mar. 11/18

12:10 pm-9:05 am

1 stop13h 55m

Lisbon Humberto Delgado

lun. 1/12

4:10 pm-6:13 pm

2 stops33h 03m

$572

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

dim. 11/16

5:45 am-8:00 am

2 stops19h 15m

Lisbon Humberto Delgado

jeu. 12/4

5:30 am-8:37 pm

2 stops22h 07m

$575

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

lun. 12/1

5:56 pm-10:15 am

1 stop33h 19m

Lisbon Humberto Delgado

dim. 12/14

10:50 am-10:23 am

1 stop30h 33m

$610

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sam. 11/15

8:30 pm-10:15 am

2 stops30h 45m

Lisbon Humberto Delgado

dim. 11/23

5:00 am-7:40 pm

2 stops21h 40m

$615

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sam. 11/15

11:15 am-8:10 am

2 stops13h 55m

Lisbon Humberto Delgado

mer. 12/3

6:10 am-8:04 pm

2 stops20h 54m

$617

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sam. 11/15

11:47 am-3:10 pm

2 stops20h 23m

Lisbon Humberto Delgado

mer. 12/3

11:25 am-11:45 pm

2 stops19h 20m

$619

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sam. 1/31

5:30 pm-9:20 am

1 stop32h 50m

Lisbon Humberto Delgado

sam. 2/7

12:20 pm-3:52 pm

2 stops34h 32m

$632

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sam. 11/15

7:10 am-9:00 am

1 stop18h 50m

Lisbon Humberto Delgado

dim. 11/23

5:00 am-3:39 pm

2 stops17h 39m

$665

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

dim. 2/1

12:59 am-4:55 pm

3 stops32h 56m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 19 results

Compare providers for flights from Denver to Lisbon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Lisbon in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Gurufare	Price Accuracy2 stars	Trust Score*3 stars
Jetabroad	Price Accuracy3 stars	Trust Score*1 star
JustAirTicket	Price Accuracy-	Trust 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 Denver-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Lisbon flight deals on Cheapflights vs. eDreams >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 Gurufare the most. Gurufare 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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Lisbon

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

Booking 62 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, November is the cheapest month in which you can book a flight from Denver to Lisbon (average of $511). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,005). 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?

It’s optimal to fly from Denver to Lisbon in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight at noon.

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

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.

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

Reviews of airlines servicing Lisbon

See what other customers who have flown with United Airlines, Turkish Airlines, and Air Canada 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.

United Airlines

7.4

Good

9,007 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,007 reviews

United Airlines

7.4

Good

9,007 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Turkish Airlines

7.3

Good

4,032 reviews

United Airlines

7.4

Good

9,007 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Air Canada

7.1

Good

10,416 reviews

United Airlines

7.4

Good

9,007 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Lufthansa

6.8

Okay

7,558 reviews

United Airlines

7.4

Good

9,007 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

British Airways

6.7

Okay

7,500 reviews

United Airlines

7.4

Good

9,007 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Denver to Lisbon?
For as low as $575, United Airlines can have you in Lisbon from Denver in 19h 15m. Denver and Lisbon are separated by a distance of 4826 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 flying from Denver to Lisbon round-trip?
According to our current data, Icelandair ($458), Virgin Atlantic ($539), and Turkish Airlines ($555) offers the cheapest pricing from Denver to Lisbon. Users have found that Icelandair is 51% cheaper than the other options available to this destination.
Where are the most common layover locations when flying from Denver to Lisbon?
Denver to Lisbon flights have a layover in Washington, D.C. most of the time. Munich is the second most popular location for layovers on flights from Denver to Lisbon.
What are some popular things to do or see while on a layover in Washington, D.C.?
Most Washington, D.C. visitors opt to spend their time experiencing White House, National Mall, and U.S. Capitol. Those on a layover in Washington, D.C. interested in visiting White House, National Mall, or U.S. Capitol can do so by traveling 22.4 mi, 23.3 mi, and 24.0 mi, respectively from Washington, D.C. Dulles Intl. Travelers can book a car rental at Washington, D.C. Dulles Intl for about $51 per day to make their sightseeing more efficient.
What are some popular points of interest to see during a layover in Munich?
The majority of Munich visitors spend their time at Theresienwiese, Marienplatz, and Altes Rathaus. Theresienwiese, Marienplatz, and Altes Rathaus can be visited by traveling about 18.8 mi, 17.8 mi, and 17.8 mi respectively from Munich Franz Josef Strauss. Travelers in need of a car in Munich can rent one for about $44 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 New York. London 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, November is the cheapest month in which you can book a flight from Denver to Lisbon (average of $511). Flying from Denver to Lisbon in June is currently the most expensive (average of $1,005). 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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Other flights to Lisbon

Top 10 airlines flying from Denver to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$458	Average$670	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$539	Average$984	FlexibilityNo cancel fee	On-time72%
Turkish Airlines	Cheapest$555	Average$693	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$558	Average$931	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$567	Average$860	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$569	Average$883	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$588	Average$880	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$594	Average$1,265	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$596	Average$928	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$599	Average$816	FlexibilityNo cancel fee	On-time75%

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$245+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Denver Intl to Lisbon Humberto Delgado are usually found in January or November, booked 62 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Find flight deals from Denver to Lisbon

Cheapest flights from Denver to LisbonExplore 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 novembre 6, 2025.

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 novembre 6, 2025.

Cheap flight deals from Denver to Lisbon

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Lisbon that are best for you.

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 November.

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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Lisbon

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

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

What is the cheapest time of day to fly from DEN to LIS?

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

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

Reviews of airlines servicing Lisbon

See what other customers who have flown with United Airlines, Turkish Airlines, and Air Canada 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.

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.

How long is the flight from Denver to Lisbon?

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

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

What are some popular things to do or see while on a layover in Washington, D.C.?

What are some popular points of interest to see during a layover in Munich?

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

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

How can I find direct flights from Denver to Lisbon?

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

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

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Alternative routes for Denver to Lisbon

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Top 10 airlines flying from Denver to Lisbon

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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 novembre 6, 2025.