HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$306+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DEN
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portugal to Denver with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portugal to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Portugal (PT0) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.

Round-trip from

$589
(Mytrip)

One-way from

$306
(Kiwi.com)
From Portugal to Denver Intl
Search Deals
One-way flight from Portugal to Denver Intl
Search Deals

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 January 17, 2025.

This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/86:10 amLIS - DEN
2 stops18h 55mMultiple Airlines
Mon 2/243:40 pmDEN - LIS
3 stops21h 45mMultiple Airlines
Deal found 1/16$589
This Booking.com deal was found by Cheapflights users on 1/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1711:05 amLIS - DEN
1 stop16h 43mBritish Airways
Tue 4/226:35 pmDEN - LIS
1 stop13h 55mBritish Airways
Deal found 1/14$695
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 2/88:20 amLIS - DEN
2 stops18h 50mAmerican Airlines
Mon 2/245:30 pmDEN - LIS
1 stop21h 25mAmerican Airlines
Deal found 1/15$699
This Finnair deal was found by Cheapflights users on 1/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/174:10 pmLIS - DEN
2 stops33h 30mFinnair
Tue 4/226:35 pmDEN - LIS
1 stop21h 20mFinnair
Deal found 1/14$705
This Virgin Atlantic deal was found by Cheapflights users on 1/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1710:00 amLIS - DEN
2 stops17h 27mVirgin Atlantic
Tue 4/226:20 amDEN - LIS
2 stops21h 25mVirgin Atlantic
Deal found 1/14$769
This Scandinavian Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/297:05 amLIS - DEN
2 stops22h 55mScandinavian Airlines
Tue 2/116:29 amDEN - LIS
3 stops26h 41mScandinavian Airlines
Deal found 1/15$776
This Cheapflightsfares deal was found by Cheapflights users on 1/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/308:25 amLIS - DEN
2 stops22h 12mIberia
Thu 7/177:32 amDEN - LIS
2 stops21h 18mIberia
Deal found 1/16$1,832
This FlightHub deal was found by Cheapflights users on 1/14. 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.
Fri 3/1410:50 amLIS - DEN
2 stops59h 35mAer Lingus
Tue 3/256:30 pmDEN - LIS
2 stops33h 40mAer Lingus
Deal found 1/14$2,517
This Delta deal was found by Cheapflights users on 1/14. 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.
Fri 3/1410:00 amLIS - DEN
1 stop15h 39mDelta
Tue 3/2511:29 amDEN - LIS
2 stops17h 51mDelta
Deal found 1/14$3,191
This United Airlines deal was found by Cheapflights users on 1/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2411:00 amLIS - DEN
1 stop14h 15mUnited Airlines
Sat 3/17:45 amDEN - LIS
2 stops18h 10mUnited Airlines
Deal found 1/16$3,861

Find flights from Portugal to Denver within your budget

Customize your flight search to find flights from Portugal to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 2/8

6:10 am-6:05 pm

2 stops18h 55m

Denver Intl

Mon 2/24

3:40 pm-8:25 pm

3 stops21h 45m

$589

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 3/17

11:05 am-9:48 pm

1 stop16h 43m

Denver Intl

Tue 4/22

6:35 pm-3:30 pm

1 stop13h 55m

$695

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 2/8

8:20 am-8:10 pm

2 stops18h 50m

Denver Intl

Mon 2/24

5:30 pm-9:55 pm

1 stop21h 25m

$699

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 3/17

4:10 pm-7:40 pm

2 stops33h 30m

Denver Intl

Tue 4/22

6:35 pm-10:55 pm

1 stop21h 20m

$705

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 3/17

10:00 am-9:27 pm

2 stops17h 27m

Denver Intl

Tue 4/22

6:20 am-10:45 am

2 stops21h 25m

$769

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 1/29

7:05 am-11:00 pm

2 stops22h 55m

Denver Intl

Tue 2/11

6:29 am-4:10 pm

3 stops26h 41m

$776

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 6/30

8:25 am-11:37 pm

2 stops22h 12m

Denver Intl

Thu 7/17

7:32 am-11:50 am

2 stops21h 18m

$1,832

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 3/14

10:50 am-4:25 pm

2 stops59h 35m

Denver Intl

Tue 3/25

6:30 pm-10:10 am

2 stops33h 40m

$2,517

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 3/14

10:00 am-7:39 pm

1 stop15h 39m

Denver Intl

Tue 3/25

11:29 am-11:20 am

2 stops17h 51m

$3,191

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 2/24

11:00 am-6:15 pm

1 stop14h 15m

Denver Intl

Sat 3/1

7:45 am-8:55 am

2 stops18h 10m

$3,861

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 22 results
1
2
3

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.

Travel insights for flights from Portugal to Denver

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

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.

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

Find hourly flight availability from Portugal to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 17, 2025.

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.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

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.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated January 17, 2025.
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.3
Good
3,921 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    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.

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

    $594 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Aer Lingus and Finnair, with prices starting from $626 and $650, respectively.

  • 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

Traveling to a place near Portugal?

Book flights to Portugal if you plan to visit one of these locations
Keystone
Westminster
Black Hawk
Winter Park
Dillon
Lakewood
Broomfield
Silverthorne
Golden
Brighton
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Greeley
Central City
Englewood
Copper Mountain
Longmont
Thornton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portugal to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Denver flights
Frankfurt to Denver flights
Munich to Denver flights
Orly to Denver flights
Charles de Gaulle to Denver flights
Gatwick to Denver flights
Zurich to Denver flights
Bruxelles-National to Denver flights
Amsterdam to Denver flights
Vienna to Denver flights
Frederic Chopin to Denver flights
Istanbul to Denver flights
Duesseldorf Intl to Denver flights
Dublin to Denver flights
Berlin to Denver flights
Barcelona-El Prat to Denver flights
Hamburg to Denver flights
Stansted to Denver flights
Geneva to Denver flights
Leonardo da Vinci/Fiumicino to Denver flights
Oslo Gardermoen to Denver flights
Madrid to Denver flights
Linate to Denver flights
Luton to Denver flights
Malpensa to Denver flights
Manchester to Denver flights
Prague to Denver flights
Charleroi Brussels to Denver flights
Nice to Denver flights
Sabiha Gokcen to Denver flights
Budapest to Denver flights
Lyon to Denver flights
Bremen to Denver flights
Edinburgh to Denver flights
Arlanda to Denver flights
Dresden to Denver flights
Vicenza to Denver flights
Lisbon to Denver flights
Frankfurt to Colorado Springs flights
Marseille to Denver flights
Bologna to Denver flights
Münster to Denver flights
Otopeni Intl to Denver flights
Heathrow to Colorado Springs flights
Leipzig to Denver flights
Athens to Denver flights
Belgrade to Denver flights

Top 3 airlines flying from Portugal to Denver

Discover the top 3 airlines that operate flights from Portugal to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$679Average$893FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$766Average$932FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$809Average$1,178FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.