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

According to our current data, Lufthansa ($791), Icelandair ($792), and Iberia ($793) offers the cheapest pricing from Denver to Lisbon. Users have found that Lufthansa is 19% 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: American Airlines, Air Canada or Air France.

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.

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. Munich sees the next fewest layovers on 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, Buckingham Palace, and Piccadilly Circus. Those on a layover in London interested in visiting Hyde Park, Buckingham Palace, or Piccadilly Circus can do so by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $40 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 $60 per day.

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Lisbon. Check prices with Cheapflights to find a great deal for your trip.

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

Travelers have found it’s best to book a flight 19 days in advance to save up to 30% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 19 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Denver to Lisbon 1-2 weeks in advance for as low as $821, or $1,189 for flights within the next 24 hours.

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

January is one of the best times of the year to fly to Lisbon from Denver. Prices for January average $980 per person but you can even find prices for as low as $555. The most expensive prices can be found in the month of June. Opting for a January flight can save you 44% on your journey compared to booking in June

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.

$238+ Flights from Denver to Lisbon

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

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

Cheap flight deals from Denver to Lisbon

Round-trip from	$791 (Lufthansa)
One-way from	$238 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,069

From Denver Intl to Lisbon Humberto Delgado

Search Deals

One-way flight from Denver Intl to Lisbon Humberto Delgado

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Highest demand for flights based on searches. 17% potential increase in price ($201 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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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 July 3, 2025.

Mon 10/65:59 pmDEN - LIS

1 stop22h 31mLufthansa

Tue 10/142:25 pmLIS - DEN

1 stop30h 20mLufthansa

Deal found 7/1

$791

Sat 8/24:40 pmDEN - LIS

1 stop21h 40mIcelandair

Sun 8/1010:20 pmLIS - DEN

1 stop21h 10mIcelandair

Deal found 7/3

$792

Sat 10/45:06 pmDEN - LIS

2 stops43h 59mIberia

Thu 10/168:45 pmLIS - DEN

2 stops32h 42mIberia

Deal found 7/1

$793

Sat 9/137:55 pmDEN - LIS

1 stop18h 40mAer Lingus

Sat 9/2010:15 pmLIS - DEN

1 stop26h 44mAer Lingus

Deal found 7/2

$794

Wed 10/86:30 amDEN - LIS

2 stops19h 20mDelta

Wed 10/229:50 amLIS - DEN

2 stops19h 56mDelta

Deal found 7/3

$795

Mon 10/68:57 amDEN - LIS

2 stops20h 48mBritish Airways

Mon 10/136:45 pmLIS - DEN

2 stops28h 09mBritish Airways

Deal found 7/2

$799

Tue 9/28:10 pmDEN - LIS

2 stops19h 00mMultiple Airlines

Fri 9/125:35 pmLIS - DEN

1 stop22h 40mMultiple Airlines

Deal found 7/1

$800

Sat 7/127:50 pmDEN - LIS

1 stop36h 40mTurkish Airlines

Sat 7/195:55 amLIS - DEN

1 stop19h 00mTurkish Airlines

Deal found 7/3

$801

Tue 10/711:15 amDEN - LIS

1 stop15h 05mAir Canada

Mon 10/207:30 amLIS - DEN

2 stops19h 08mAir Canada

Deal found 7/3

$804

Thu 8/143:54 pmDEN - LIS

1 stop11h 36mUnited Airlines

Thu 8/287:30 amLIS - DEN

1 stop15h 05mUnited Airlines

Deal found 7/1

$808

Fri 10/36:35 pmDEN - LIS

1 stop21h 35mAmerican Airlines

Wed 10/1511:05 amLIS - DEN

2 stops16h 27mAmerican Airlines

Deal found 7/3

$829

Fri 8/155:50 pmDEN - LIS

1 stop22h 30mSWISS

Thu 8/213:45 pmLIS - DEN

1 stop31h 35mSWISS

Deal found 7/1

$831

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 July 3, 2025.

Mon 10/65:59 pmDEN - LIS

1 stop22h 31mLufthansa

Tue 10/142:25 pmLIS - DEN

1 stop30h 20mLufthansa

Deal found 7/1

$791

Sat 8/24:40 pmDEN - LIS

1 stop21h 40mIcelandair

Sun 8/1010:20 pmLIS - DEN

1 stop21h 10mIcelandair

Deal found 7/3

$792

Sat 10/45:06 pmDEN - LIS

2 stops43h 59mIberia

Thu 10/168:45 pmLIS - DEN

2 stops32h 42mIberia

Deal found 7/1

$793

Sat 9/137:55 pmDEN - LIS

1 stop18h 40mAer Lingus

Sat 9/2010:15 pmLIS - DEN

1 stop26h 44mAer Lingus

Deal found 7/2

$794

Wed 10/810:50 amDEN - LIS

2 stops17h 25mDelta

Fri 10/175:40 amLIS - DEN

2 stops21h 20mDelta

Deal found 7/2

$795

Mon 10/68:57 amDEN - LIS

2 stops20h 48mBritish Airways

Mon 10/136:45 pmLIS - DEN

2 stops28h 09mBritish Airways

Deal found 7/2

$799

Tue 9/28:10 pmDEN - LIS

2 stops19h 00mMultiple Airlines

Fri 9/125:35 pmLIS - DEN

1 stop22h 40mMultiple Airlines

Deal found 7/1

$800

Tue 10/711:15 amDEN - LIS

1 stop15h 05mAir Canada

Mon 10/207:30 amLIS - DEN

2 stops19h 08mAir Canada

Deal found 7/3

$804

Thu 8/143:54 pmDEN - LIS

1 stop11h 36mUnited Airlines

Thu 8/287:30 amLIS - DEN

1 stop15h 05mUnited Airlines

Deal found 7/1

$808

Fri 10/36:35 pmDEN - LIS

1 stop21h 35mAmerican Airlines

Wed 10/1511:05 amLIS - DEN

2 stops16h 27mAmerican Airlines

Deal found 7/3

$829

Fri 8/155:50 pmDEN - LIS

1 stop22h 30mSWISS

Thu 8/213:45 pmLIS - DEN

1 stop31h 35mSWISS

Deal found 7/1

$831

Thu 8/145:40 pmDEN - LIS

1 stop21h 45mAir France

Wed 8/2712:45 pmLIS - DEN

2 stops17h 10mAir France

Deal found 7/1

$840

Last-minute flights from Denver to Lisbon
Discover last-minute flight deals from Denver to Lisbon. Data last updated July 3, 2025 and is based on user searches.

Fri 7/1111:25 amDEN - LIS

1 stop15h 40mTAP AIR PORTUGAL

Mon 7/218:00 pmLIS - DEN

2 stops32h 24mTAP AIR PORTUGAL

Deal found 7/3

$1,235

Fri 7/117:55 pmDEN - LIS

1 stop18h 40mAmerican Airlines

Wed 7/3011:05 amLIS - DEN

1 stop17h 15mAmerican Airlines

Deal found 7/2

$1,364

Sat 7/127:50 pmDEN - LIS

1 stop36h 40mTurkish Airlines

Sat 7/195:55 amLIS - DEN

1 stop19h 00mTurkish Airlines

Deal found 7/3

$801

Sun 7/138:31 pmDEN - LIS

1 stop28h 34mMultiple Airlines

Thu 7/1710:00 pmLIS - DEN

2 stops34h 15mMultiple Airlines

Deal found 7/2

$1,009

Sat 8/24:40 pmDEN - LIS

1 stop21h 40mIcelandair

Sun 8/1010:20 pmLIS - DEN

1 stop21h 10mIcelandair

Deal found 7/3

$792

Sun 8/106:35 pmDEN - LIS

1 stop32h 30mBritish Airways

Mon 8/186:45 pmLIS - DEN

1 stop28h 40mBritish Airways

Deal found 7/1

$834

Mon 8/119:40 amDEN - LIS

1 stop16h 40mUnited Airlines

Sun 8/245:05 amLIS - DEN

1 stop15h 20mUnited Airlines

Deal found 7/1

$804

Mon 8/112:47 pmDEN - LIS

2 stops18h 18mIberia

Tue 8/196:35 amLIS - DEN

2 stops44h 13mIberia

Deal found 7/1

$833

Tue 8/127:20 amDEN - LIS

2 stops18h 30mDelta

Tue 8/195:00 amLIS - DEN

2 stops20h 21mDelta

Deal found 7/3

$815

Tue 8/121:09 pmDEN - LIS

2 stops25h 26mAer Lingus

Tue 8/1910:15 pmLIS - DEN

2 stops29h 07mAer Lingus

Deal found 7/1

$883

Thu 8/145:40 pmDEN - LIS

1 stop31h 40mAir Canada

Tue 8/2611:25 amLIS - DEN

1 stop13h 55mAir Canada

Deal found 7/1

$810

Thu 8/145:40 pmDEN - LIS

1 stop21h 45mAir France

Wed 8/2712:45 pmLIS - DEN

2 stops17h 10mAir France

Deal found 7/1

$840

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 July 3, 2025.

Tue 7/2912:34 amDEN - LIS

1 stop33h 41mMultiple Airlines

Deal found 6/30

$238

Wed 9/32:00 pmDEN - LIS

1 stop13h 10mTAP AIR PORTUGAL

Deal found 6/30

$312

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 10/6

5:59 pm-11:30 pm

1 stop22h 31m

Lisbon Humberto Delgado

Tue 10/14

2:25 pm-1:45 pm

1 stop30h 20m

$791

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 8/2

4:40 pm-9:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 8/10

10:20 pm-12:30 pm

1 stop21h 10m

$792

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 10/4

5:06 pm-8:05 pm

2 stops43h 59m

Lisbon Humberto Delgado

Thu 10/16

8:45 pm-10:27 pm

2 stops32h 42m

$793

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 9/13

7:55 pm-9:35 pm

1 stop18h 40m

Lisbon Humberto Delgado

Sat 9/20

10:15 pm-5:59 pm

1 stop26h 44m

$794

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 10/8

10:50 am-11:15 am

2 stops17h 25m

Lisbon Humberto Delgado

Fri 10/17

5:40 am-8:00 pm

2 stops21h 20m

$795

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 10/6

8:57 am-12:45 pm

2 stops20h 48m

Lisbon Humberto Delgado

Mon 10/13

6:45 pm-3:54 pm

2 stops28h 09m

$799

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 9/2

8:10 pm-10:10 pm

2 stops19h 00m

Lisbon Humberto Delgado

Fri 9/12

5:35 pm-9:15 am

1 stop22h 40m

$800

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 10/7

11:15 am-9:20 am

1 stop15h 05m

Lisbon Humberto Delgado

Mon 10/20

7:30 am-7:38 pm

2 stops19h 08m

$804

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 8/14

3:54 pm-10:30 am

1 stop11h 36m

Lisbon Humberto Delgado

Thu 8/28

7:30 am-3:35 pm

1 stop15h 05m

$808

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Fri 10/3

6:35 pm-11:10 pm

1 stop21h 35m

Lisbon Humberto Delgado

Wed 10/15

11:05 am-8:32 pm

2 stops16h 27m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 14 results

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, 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 $1,130). 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 11% 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.

Reviews of airlines servicing Lisbon

See what other customers who have flown with Delta, Air France, and SWISS 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

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,465 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

SWISS

7.5

Good

1,654 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Denver to Lisbon round-trip?
According to our current data, Lufthansa ($791), Icelandair ($792), and Iberia ($793) offers the cheapest pricing from Denver to Lisbon. Users have found that Lufthansa is 19% 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 London most of the time. Washington, D.C. 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 London?
Most London visitors opt to spend their time experiencing Hyde Park, Buckingham Palace, and Piccadilly Circus. Those on a layover in London interested in visiting Hyde Park, Buckingham Palace, or Piccadilly Circus can do so by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $40 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 $60 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. Munich 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 $1,130). 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

Sintra

Oeiras

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Ericeira

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Alternative routes for Denver to Lisbon

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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$676	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$539	Average$1,193	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$551	Average$931	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$555	Average$694	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$558	Average$853	FlexibilityNo cancel fee	On-time70%
Air France	Cheapest$569	Average$896	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$599	Average$784	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$624	Average$924	FlexibilityNo cancel fee	On-time76%
Air Canada	Cheapest$627	Average$948	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$652	Average$1,046	FlexibilityNo cancel fee	On-time69%

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$238+ 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 7/29. 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 February, booked 62 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Denver to Lisbon

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 July 3, 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 July 3, 2025.

Cheapflights Fare Finder

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Lisbon. Price data was last updated on June 27, 2025.

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?

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 July 3, 2025.

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.

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 July 3, 2025.

See what other customers who have flown with Delta, Air France, and SWISS 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.

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 London?

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

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?

Traveling to a place near Denver?

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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 July 3, 2025.