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Portugal

$292+ Cheap flights from Denver (DEN) to Portugal

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Cheap flight deals from Denver to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Portugal (PT0). 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 20, 2025.

Round-trip from

$579
(Justfly.com)

One-way from

$292
(Kiwi.com)
From Denver Intl to Portugal
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One-way flight from Denver Intl to Portugal
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Find flight deals from Denver to Portugal

Cheapest flights from Denver to Portugal
Explore the most affordable flight options available from Denver to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This FlightHub deal was found by Cheapflights users on 1/20. 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.
Tue 4/88:05 pmDEN - OPO
1 stop30h 40mTurkish Airlines
Wed 4/164:50 pmOPO - DEN
1 stop32h 20mTurkish Airlines
Deal found 1/20$579
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Thu 3/274:40 pmDEN - LIS
1 stop21h 40mIcelandair
Thu 4/310:20 pmLIS - DEN
1 stop27h 35mIcelandair
Deal found 1/20$619
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Sun 1/263:40 pmDEN - LIS
3 stops32h 10mMultiple Airlines
Mon 2/108:55 pmLIS - DEN
2 stops28h 10mMultiple Airlines
Deal found 1/19$632
This FlightHub deal was found by Cheapflights users on 1/20. 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 1/247:35 pmDEN - LIS
1 stop36h 25mTurkish Airlines
Sat 2/111:35 amLIS - DEN
1 stop37h 05mTurkish Airlines
Deal found 1/20$639
This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:30 pmDEN - LIS
1 stop17h 15mBritish Airways
Wed 11/128:45 pmLIS - DEN
2 stops32h 24mBritish Airways
Deal found 1/19$646
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1811:25 amDEN - LIS
1 stop14h 55mAir Canada
Tue 2/2511:00 amLIS - DEN
2 stops38h 20mAir Canada
Deal found 1/20$662
This CrystalTravel deal was found by Cheapflights users on 1/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/165:45 pmDEN - LIS
1 stop14h 20mLufthansa
Wed 2/265:00 amLIS - DEN
1 stop17h 55mLufthansa
Deal found 1/19$672
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/175:45 pmDEN - OPO
1 stop14h 40mMultiple Airlines
Thu 3/136:00 amOPO - DEN
2 stops21h 58mMultiple Airlines
Deal found 1/19$690
This United deal was found by Cheapflights users on 1/20. 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 3/258:19 amDEN - LIS
2 stops19h 01mUnited Airlines
Thu 4/37:30 amLIS - DEN
1 stop15h 25mUnited Airlines
Deal found 1/20$693
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/195:25 pmDEN - OPO
1 stop13h 25mLufthansa
Wed 3/266:00 amOPO - DEN
2 stops22h 17mLufthansa
Deal found 1/18$694
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/311:25 amDEN - OPO
2 stops17h 10mUnited Airlines
Mon 3/1012:25 pmOPO - DEN
2 stops52h 10mUnited Airlines
Deal found 1/19$707
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 2/196:00 amDEN - LIS
2 stops19h 00mDelta
Mon 2/2412:20 pmLIS - DEN
1 stop31h 15mDelta
Deal found 1/19$714

Find flights from Denver to Portugal within your budget

Customize your flight search to find flights from Denver to Portugal 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 20, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 4/8

8:05 pm-9:45 am

1 stop30h 40m

Porto

Wed 4/16

4:50 pm-6:10 pm

1 stop32h 20m

$579

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 3/27

4:40 pm-8:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Thu 4/3

10:20 pm-6:55 pm

1 stop27h 35m

$619

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Fri 3/28

8:35 pm-2:30 pm

1 stop35h 55m

Lisbon Humberto Delgado

Sat 4/5

4:30 pm-6:10 pm

1 stop32h 40m

$639

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 2/18

5:45 pm-8:25 pm

2 stops19h 40m

Lisbon Humberto Delgado

Tue 2/25

6:25 am-10:35 am

2 stops35h 10m

$659

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 2/18

11:25 am-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Tue 2/25

11:00 am-6:20 pm

2 stops38h 20m

$662

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 2/16

5:45 pm-3:05 pm

1 stop14h 20m

Lisbon Humberto Delgado

Wed 2/26

5:00 am-3:55 pm

1 stop17h 55m

$672

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 2/17

5:45 pm-3:25 pm

1 stop14h 40m

Porto

Thu 3/13

6:00 am-9:58 pm

2 stops21h 58m

$690

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 3/25

8:19 am-9:20 am

2 stops19h 01m

Lisbon Humberto Delgado

Thu 4/3

7:30 am-3:55 pm

1 stop15h 25m

$693

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 3/19

5:25 pm-12:50 pm

1 stop13h 25m

Porto

Wed 3/26

6:00 am-10:17 pm

2 stops22h 17m

$694

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 3/3

11:25 am-11:35 am

2 stops17h 10m

Porto

Mon 3/10

12:25 pm-10:35 am

2 stops52h 10m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
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Best time to book a flight from Denver to Portugal

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

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

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

Currently, January is the cheapest month in which you can book a flight from Denver to Portugal (average of $612). Flying from Denver to Portugal in June is currently the most expensive (average of $1,247). 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 PT?

Find hourly flight availability from Denver to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

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

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal 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 Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated January 20, 2025.
See what other customers who have flown with Icelandair, Air Canada and Lufthansa from Denver to Portugal 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
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

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
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,599 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

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 Portugal. 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 from for flights from Denver to Portugal?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Portugal. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

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

    The cheapest airlines for a one-way flight from Denver to Portugal are Scandinavian Airlines ($426), British Airways ($428), and United Airlines ($438).

  • What are the most popular routes from Denver to Portugal?

    Most travelers choose Denver Intl - Lisbon Humberto Delgado, Denver Intl - Porto or Denver Intl - Funchal Madeira when deciding on the best route from Denver to Portugal.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Portugal (average of $612). Flying from Denver to Portugal in June is currently the most expensive (average of $1,247). 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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Alternative routes for Denver to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Denver to Portugal

Discover the top 10 airlines that operate flights from Denver to Portugal. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$491Average$1,076FlexibilityNo cancel feeOn-time72%
KLMCheapest$516Average$974FlexibilityNo cancel feeOn-time75%
DeltaCheapest$537Average$1,001FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$539Average$998FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$544Average$693FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$548Average$1,017FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$552Average$939FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$594Average$997FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$620Average$1,204FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$675Average$1,243FlexibilityNo cancel feeOn-time69%
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