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$245+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
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 December 21, 2024.

Round-trip from

$584
(FlightHub)

One-way from

$245
(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 December 21, 2024.

This Air Canada deal was found by Cheapflights users on 12/20. 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 12/318:30 amDEN - LIS
2 stops17h 50mMultiple Airlines
Fri 1/105:00 amLIS - DEN
2 stops18h 38mMultiple Airlines
Deal found 12/20$883
This United Airlines deal was found by Cheapflights users on 12/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:25 amDEN - LIS
1 stop14h 55mUnited Airlines
Fri 1/1010:15 amLIS - DEN
1 stop17h 48mUnited Airlines
Deal found 12/20$952
This KLM deal was found by Cheapflights users on 12/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:30 amDEN - LIS
1 stop14h 30mKLM
Fri 1/1010:00 amLIS - DEN
1 stop16h 46mKLM
Deal found 12/20$954
This Delta deal was found by Cheapflights users on 12/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/242:50 pmDEN - LIS
1 stop19h 40mDelta
Tue 12/315:30 amLIS - DEN
1 stop14h 05mDelta
Deal found 12/20$1,144
This Lufthansa deal was found by Cheapflights users on 12/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/285:45 pmDEN - LIS
1 stop14h 20mLufthansa
Mon 12/305:00 amLIS - DEN
1 stop17h 55mLufthansa
Deal found 12/20$1,160
This Gurufare deal was found by Cheapflights users on 12/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:30 pmDEN - LIS
1 stop33h 25mBritish Airways
Tue 1/73:50 pmLIS - DEN
1 stop30h 35mBritish Airways
Deal found 12/20$1,183
This Air Canada deal was found by Cheapflights users on 12/20. 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.
Wed 12/2511:25 amDEN - LIS
2 stops16h 35mAir Canada
Sat 12/285:00 amLIS - DEN
2 stops18h 38mAir Canada
Deal found 12/20$1,534
This Icelandair deal was found by Cheapflights users on 12/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/233:40 pmDEN - LIS
2 stops21h 25mIcelandair
Sat 12/287:25 amLIS - DEN
2 stops17h 40mIcelandair
Deal found 12/20$1,693
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:17 pmDEN - PDL
2 stops25h 08mMultiple Airlines
Fri 12/275:20 pmPDL - DEN
1 stop14h 17mMultiple Airlines
Deal found 12/19$1,696
This Finnair deal was found by Cheapflights users on 12/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:39 pmDEN - LIS
2 stops19h 46mFinnair
Tue 12/316:30 amLIS - DEN
2 stops23h 30mFinnair
Deal found 12/20$1,724
This Scandinavian Airlines deal was found by Cheapflights users on 12/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:25 amDEN - LIS
3 stops26h 45mScandinavian Airlines
Mon 12/306:55 amLIS - DEN
2 stops22h 18mScandinavian Airlines
Deal found 12/20$1,806
This Turkish Airlines deal was found by Cheapflights users on 12/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/277:35 pmDEN - LIS
1 stop31h 30mTurkish Airlines
Tue 12/314:00 pmLIS - DEN
2 stops37h 13mTurkish Airlines
Deal found 12/20$1,882

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 December 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/25

8:35 pm-3:25 pm

1 stop36h 50m

Porto

Wed 4/2

10:45 am-6:10 pm

1 stop38h 25m

$584

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 4/12

2:15 pm-10:45 am

1 stop13h 30m

Lisbon Humberto Delgado

Fri 4/25

10:00 am-7:44 pm

1 stop16h 44m

$616

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/15

5:40 pm-2:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Wed 4/23

10:00 am-7:44 pm

1 stop16h 44m

$617

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Fri 2/7

12:41 pm-8:00 am

1 stop12h 19m

Lisbon Humberto Delgado

Sat 2/15

5:00 am-6:57 pm

2 stops20h 57m

$618

DenverLajes

DEN - TER

DENTER

Denver Intl

Wed 1/15

2:47 pm-9:20 am

3 stops36h 33m

Lajes

Wed 1/22

2:15 pm-3:17 pm

3 stops31h 02m

$619

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Fri 4/11

6:35 pm-11:10 pm

1 stop21h 35m

Lisbon Humberto Delgado

Tue 4/22

11:05 am-8:41 pm

1 stop16h 36m

$619

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Fri 4/11

6:35 pm-6:05 pm

1 stop16h 30m

Lisbon Humberto Delgado

Tue 4/22

8:45 pm-9:59 pm

2 stops32h 14m

$624

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 1/15

6:29 am-8:00 am

1 stop18h 31m

Lisbon Humberto Delgado

Wed 1/22

10:00 am-7:46 pm

1 stop16h 46m

$633

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 5/3

8:05 pm-9:55 am

1 stop30h 50m

Lisbon Humberto Delgado

Sat 5/10

10:55 am-6:10 pm

1 stop38h 15m

$639

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 2/6

12:40 pm-9:55 pm

2 stops26h 15m

Lisbon Humberto Delgado

Mon 2/17

4:10 pm-5:57 pm

2 stops32h 47m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 51 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 $1,250). 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 December 21, 2024.

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 December 21, 2024.
See what other customers who have flown with British Airways, Scandinavian Airlines and Air Canada 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
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

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
8,597 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

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
1,344 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Finnair
7.7
Good
1,282 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

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
1,501 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

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 ($407), British Airways ($430), and American Airlines ($433).

  • 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 $1,250). 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 December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$516Average$980FlexibilityNo cancel feeOn-time75%
DeltaCheapest$537Average$1,024FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$539Average$1,002FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$548Average$1,024FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$551Average$997FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$555Average$748FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$601Average$999FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$662Average$1,195FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$677Average$1,226FlexibilityNo cancel feeOn-time69%
SWISSCheapest$712Average$1,202FlexibilityNo cancel feeOn-time79%
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