How long is the flight from Portugal to Denver?

Airlines like Air Canada, KLM, and TAP AIR PORTUGAL fly from Portugal to Denver in about 19h 44m. The time it takes to get you to your destination can typically vary by up to 18h 28m. The distance from Portugal to Denver is about 4826 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, 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 30.2 F).

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

British Airways, Delta and United Airlines are the most popular airlines when flying from Portugal to Denver.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portugal to Denver as you normally would.

What airport do you fly into for flights to Denver from Portugal?

For a flight from Portugal to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

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

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

How can I find direct flights from Portugal to Denver?

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

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

Yes. Cheapflights offers flight deals from Portugal 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.

$370+ Cheap Flights from Portugal to Denver

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Cheap flight deals from Portugal to Denver

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$783 (Kiwi.com)
One-way from	$370 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$893

Provider with most accurate pricing for Lisbon Humberto Delgado-Denver Intl flight deals.

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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Denver Intl flights.

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From Portugal to Denver Intl

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One-way flight from Portugal to Denver Intl

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Highest demand for flights based on searches. 8% potential increase in price ($82 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find flight deals from Portugal to Denver

Cheapest flights from Portugal to Denver
Explore the most affordable flight options available from Portugal to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

Tue 11/1812:05 pmLIS - DEN

1 stop20h 03mMultiple Airlines

Sun 1/2510:00 amDEN - LIS

2 stops22h 25mMultiple Airlines

Deal found 10/1

$783

Fri 11/216:45 pmLIS - DEN

1 stop37h 45mMultiple Airlines

Sun 12/711:14 pmDEN - LIS

2 stops26h 46mMultiple Airlines

Deal found 10/1

$822

Fri 11/215:00 amLIS - DEN

2 stops19h 44mAir Canada

Sun 12/78:45 amDEN - LIS

2 stops17h 35mAir Canada

Deal found 10/1

$830

Thu 11/205:00 amLIS - DEN

2 stops18h 40mAir Canada

Wed 12/39:53 amDEN - LIS

1 stop16h 02mAir Canada

Deal found 9/30

$836

Thu 11/205:00 amLIS - DEN

1 stop15h 40mUnited Airlines

Wed 12/31:50 pmDEN - LIS

1 stop13h 25mUnited Airlines

Deal found 9/30

$853

Fri 11/216:45 pmLIS - DEN

1 stop27h 45mBritish Airways

Sun 12/75:25 pmDEN - LIS

1 stop14h 25mBritish Airways

Deal found 10/1

$865

Tue 11/185:00 amLIS - DEN

1 stop18h 00mUnited Airlines

Sun 1/2511:49 amDEN - LIS

1 stop13h 21mUnited Airlines

Deal found 10/1

$869

Best flights from Portugal to Denver
Discover carefully curated flight deals from Portugal to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2025.

Tue 11/1812:05 pmLIS - DEN

1 stop20h 03mMultiple Airlines

Sun 1/2510:00 amDEN - LIS

2 stops22h 25mMultiple Airlines

Deal found 10/1

$783

Fri 11/215:00 amLIS - DEN

2 stops19h 44mAir Canada

Sun 12/71:25 pmDEN - LIS

1 stop12h 55mAir Canada

Deal found 10/1

$830

Fri 11/216:45 pmLIS - DEN

1 stop27h 45mBritish Airways

Sun 12/75:25 pmDEN - LIS

1 stop14h 25mBritish Airways

Deal found 10/1

$865

Tue 11/185:00 amLIS - DEN

1 stop18h 00mUnited Airlines

Sun 1/2511:49 amDEN - LIS

1 stop13h 21mUnited Airlines

Deal found 10/1

$869

Mon 2/210:25 amFNC - DEN

2 stops38h 12mKLM

Mon 2/912:45 pmDEN - FNC

2 stops37h 50mKLM

Deal found 10/2

$977

Sun 2/14:10 amFNC - DEN

2 stops37h 35mTAP AIR PORTUGAL

Mon 2/911:35 amDEN - FNC

2 stops19h 00mTAP AIR PORTUGAL

Deal found 10/2

$1,001

Fri 11/216:45 pmLIS - DEN

1 stop37h 45mMultiple Airlines

Sun 12/711:14 pmDEN - LIS

2 stops26h 46mMultiple Airlines

Deal found 10/1

$822

Thu 11/205:00 amLIS - DEN

2 stops18h 40mAir Canada

Wed 12/39:53 amDEN - LIS

1 stop16h 02mAir Canada

Deal found 9/30

$836

Wed 10/297:05 amLIS - DEN

1 stop15h 25mBritish Airways

Wed 12/35:25 pmDEN - LIS

1 stop14h 25mBritish Airways

Deal found 10/1

$894

Mon 2/24:55 pmFNC - DEN

1 stop29h 35mBritish Airways

Mon 2/96:00 amDEN - FNC

2 stops25h 15mBritish Airways

Deal found 10/2

$1,124

Mon 2/211:00 amFNC - DEN

2 stops30h 23mMultiple Airlines

Mon 2/911:15 amDEN - FNC

3 stops24h 55mMultiple Airlines

Deal found 10/2

$1,204

Last-minute flights from Portugal to Denver
Discover last-minute flight deals from Portugal to Denver. Data last updated October 2, 2025 and is based on user searches.

Tue 11/1812:05 pmLIS - DEN

1 stop20h 03mMultiple Airlines

Sun 1/2510:00 amDEN - LIS

2 stops22h 25mMultiple Airlines

Deal found 10/1

$783

Tue 11/185:00 amLIS - DEN

1 stop18h 00mUnited Airlines

Sun 1/2511:49 amDEN - LIS

1 stop13h 21mUnited Airlines

Deal found 10/1

$869

Thu 11/205:00 amLIS - DEN

2 stops18h 40mAir Canada

Wed 12/39:53 amDEN - LIS

1 stop16h 02mAir Canada

Deal found 9/30

$836

Thu 11/205:00 amLIS - DEN

1 stop15h 40mUnited Airlines

Wed 12/31:50 pmDEN - LIS

1 stop13h 25mUnited Airlines

Deal found 9/30

$853

Fri 11/216:45 pmLIS - DEN

1 stop37h 45mMultiple Airlines

Sun 12/711:14 pmDEN - LIS

2 stops26h 46mMultiple Airlines

Deal found 10/1

$822

Fri 11/215:00 amLIS - DEN

2 stops19h 44mAir Canada

Sun 12/78:45 amDEN - LIS

2 stops17h 35mAir Canada

Deal found 10/1

$830

Fri 11/216:45 pmLIS - DEN

1 stop27h 45mBritish Airways

Sun 12/75:25 pmDEN - LIS

1 stop14h 25mBritish Airways

Deal found 10/1

$865

One-way flights from Portugal to Denver
Search for one-way flight options from Portugal to Denver. Find affordable one-way fares based on user searches. Data last updated October 2, 2025.

Mon 11/178:45 pmLIS - DEN

2 stops52h 41mMultiple Airlines

Deal found 10/1

$370

Tue 11/189:05 pmLIS - DEN

3 stops49h 37mMultiple Airlines

Deal found 10/1

$377

Fri 11/215:55 amLIS - DEN

2 stops50h 35mMultiple Airlines

Deal found 10/2

$389

Thu 1/159:05 pmLIS - DEN

2 stops59h 34mMultiple Airlines

Deal found 10/2

$411

Sun 12/2111:55 amFNC - DEN

3 stops52h 21mMultiple Airlines

Deal found 10/2

$587

Sat 12/2011:55 amFNC - DEN

3 stops51h 20mMultiple Airlines

Deal found 10/2

$611

Sun 12/2112:50 pmFNC - DEN

1 stop33h 40mBritish Airways

Deal found 10/2

$815

Fri 12/194:10 amFNC - DEN

2 stops22h 18mLufthansa

Deal found 10/2

$963

Fly from

Fly to

Route

Depart

Return

Price

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 11/18

12:05 pm-1:08 am

1 stop20h 03m

Denver Intl

Sun 1/25

10:00 am-3:25 pm

2 stops22h 25m

$783

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 11/21

6:45 pm-1:30 am

1 stop37h 45m

Denver Intl

Sun 12/7

11:14 pm-9:00 am

2 stops26h 46m

$822

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 11/21

5:00 am-5:44 pm

2 stops19h 44m

Denver Intl

Sun 12/7

1:25 pm-9:20 am

1 stop12h 55m

$830

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 11/20

5:00 am-4:40 pm

2 stops18h 40m

Denver Intl

Wed 12/3

9:53 am-8:55 am

1 stop16h 02m

$836

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 11/21

6:45 pm-3:30 pm

1 stop27h 45m

Denver Intl

Sun 12/7

5:25 pm-2:50 pm

1 stop14h 25m

$865

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 11/18

5:00 am-4:00 pm

1 stop18h 00m

Denver Intl

Sun 1/25

11:49 am-8:10 am

1 stop13h 21m

$869

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 10/29

7:05 am-4:30 pm

1 stop15h 25m

Denver Intl

Wed 12/3

5:25 pm-2:50 pm

1 stop14h 25m

$894

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Mon 2/2

10:25 am-5:37 pm

2 stops38h 12m

Denver Intl

Mon 2/9

12:45 pm-9:35 am

2 stops37h 50m

$977

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Sun 2/1

4:10 am-10:45 am

2 stops37h 35m

Denver Intl

Mon 2/9

11:35 am-1:35 pm

2 stops19h 00m

$1,001

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Mon 2/2

4:55 pm-3:30 pm

1 stop29h 35m

Denver Intl

Mon 2/9

6:00 am-2:15 pm

2 stops25h 15m

$1,124

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 23 results

Best time to book a flight from Portugal to Denver

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

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

Currently, October is the cheapest month in which you can book a flight from Portugal to Denver (average of $197). Flying from Portugal to Denver in March is currently the most expensive (average of $278). 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.

Reviews of airlines servicing Denver

Peruse reviews from past customers who have flown with Delta, United Airlines, and British Airways from Portugal to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,962 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Delta

8.0

Very good

7,962 reviews

Delta

8.0

Very good

7,962 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

United Airlines

7.4

Good

8,933 reviews

Delta

8.0

Very good

7,962 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

British Airways

6.7

Okay

7,416 reviews

Delta

8.0

Very good

7,962 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

What airport do you fly into for flights to Denver from Portugal?
For a flight from Portugal to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.
How long is the flight from Portugal to Denver?
Airlines like Air Canada, KLM, and TAP AIR PORTUGAL fly from Portugal to Denver in about 19h 44m. The time it takes to get you to your destination can typically vary by up to 18h 28m. The distance from Portugal to Denver is about 4826 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Portugal to Denver that include hotel bookings?
Yes. In addition to deals on Portugal to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portugal to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Denver.
Can I find deals for business class flights from Portugal to Denver?
Yes. Cheapflights offers flight deals from Portugal 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 Portugal to Denver?
Currently, October is the cheapest month in which you can book a flight from Portugal to Denver (average of $197). Flying from Portugal to Denver in March is currently the most expensive (average of $278). 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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Westminster

Golden

Broomfield

Winter Park

Lakewood

Greeley

Lone Tree

Cripple Creek

Thornton

Silverthorne

Manitou Springs

Fort Morgan

Glendale

Wheat Ridge

Brighton

Longmont

Idaho Springs

Parker

Sterling

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Top 3 airlines flying from Portugal to Denver

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$749	Average$932	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$758	Average$958	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$766	Average$932	FlexibilityNo cancel fee	On-time69%

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$370+ Cheap flights from Portugal to Denver (DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portugal to Denver with Cheapflights

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3. Compare prices and book

Cheap flight deals from Portugal to Denver

Keep the following information in mind while searching for Portugal to Denver flight deals. Data was last updated October 2, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portugal to Denver

Cheapest flights from Portugal to DenverExplore the most affordable flight options available from Portugal to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

Explore the most affordable flight options available from Portugal to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portugal to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Portugal with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing Denver

Peruse reviews from past customers who have flown with Delta, United Airlines, and British Airways from Portugal to Denver to help guide your decision. You can also see how each airline stacks up 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 Portugal to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Denver from Portugal?

How long is the flight from Portugal to Denver?

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

How can I find direct flights from Portugal to Denver?

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

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

Traveling to a place near Denver?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portugal to Denver

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Portugal to Denver

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Cheapest flights from Portugal to Denver
Explore the most affordable flight options available from Portugal to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.