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Portugal

$278+ Cheap flights from Colorado 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Colorado to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) 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 21, 2025.

Round-trip from

$575
(United)

One-way from

$278
(Kiwi.com)
From Colorado to Portugal
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One-way flight from Colorado to Portugal
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Find flight deals from Colorado to Portugal

Cheapest flights from Colorado to Portugal
Explore the most affordable flight options available from Colorado to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This United deal was found by Cheapflights users on 1/21. 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.
Sun 2/27:30 amCOS - LIS
2 stops17h 40mUnited Airlines
Thu 2/1310:55 amLIS - COS
2 stops37h 54mUnited Airlines
Deal found 1/21$575
This FlightHub deal was found by Cheapflights users on 1/21. 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 3/258:35 pmDEN - OPO
1 stop36h 45mTurkish Airlines
Wed 4/210:45 amOPO - DEN
1 stop38h 25mTurkish Airlines
Deal found 1/21$579
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1911:46 amASE - LIS
2 stops17h 24mAmerican Airlines
Wed 2/2611:15 amLIS - ASE
2 stops29h 53mAmerican Airlines
Deal found 1/20$599
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/411:25 amDEN - LIS
2 stops24h 50mMultiple Airlines
Mon 2/1010:00 pmLIS - DEN
3 stops25h 38mMultiple Airlines
Deal found 1/20$606
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 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 CrystalTravel deal was found by Cheapflights users on 1/21. 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 1/21$672
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/511:50 amDEN - LIS
1 stop13h 20mUnited Airlines
Tue 2/1111:00 amLIS - DEN
2 stops39h 28mUnited Airlines
Deal found 1/21$676
This Air Canada deal was found by Cheapflights users on 1/21. 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 2/188:30 amDEN - LIS
2 stops17h 50mAir Canada
Tue 2/255:00 amLIS - DEN
2 stops18h 38mAir Canada
Deal found 1/21$683
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:29 amDEN - LIS
2 stops43h 26mScandinavian Airlines
Wed 2/267:00 pmLIS - DEN
2 stops35h 00mScandinavian Airlines
Deal found 1/20$684
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 3/2511:25 amDEN - OPO
2 stops18h 15mAir Canada
Wed 4/26:00 amOPO - DEN
2 stops33h 51mAir Canada
Deal found 1/20$690
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 2/175:45 pmDEN - OPO
1 stop14h 40mLufthansa
Thu 3/136:00 amOPO - DEN
2 stops24h 30mLufthansa
Deal found 1/21$693

Find flights from Colorado to Portugal within your budget

Customize your flight search to find flights from Colorado 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 21, 2025.

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Price

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Sun 2/2

7:30 am-8:10 am

2 stops17h 40m

Lisbon Humberto Delgado

Thu 2/13

10:55 am-5:49 pm

2 stops37h 54m

$575

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/25

8:35 pm-3:20 pm

1 stop36h 45m

Porto

Wed 4/2

10:45 am-6:10 pm

1 stop38h 25m

$579

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Wed 2/19

11:46 am-12:10 pm

2 stops17h 24m

Lisbon Humberto Delgado

Wed 2/26

11:15 am-10:08 am

2 stops29h 53m

$599

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 2/4

11:25 am-7:15 pm

2 stops24h 50m

Lisbon Humberto Delgado

Mon 2/10

10:00 pm-4:38 pm

3 stops25h 38m

$606

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

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

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/5

11:50 am-8:10 am

1 stop13h 20m

Lisbon Humberto Delgado

Tue 2/11

11:00 am-7:28 pm

2 stops39h 28m

$676

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 2/18

8:30 am-9:20 am

2 stops17h 50m

Lisbon Humberto Delgado

Tue 2/25

5:00 am-4:38 pm

2 stops18h 38m

$683

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/19

6:29 am-8:55 am

2 stops43h 26m

Lisbon Humberto Delgado

Wed 2/26

7:00 pm-11:00 pm

2 stops35h 00m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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

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

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

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Portugal (average of $612). Flying from Colorado 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 CO to PT?

Find hourly flight availability from Colorado 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 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado 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 21, 2025.
Read through reviews of airlines operating flights from Colorado to Portugal, such as United Airlines, Lufthansa and Icelandair. 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
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

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

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

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

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

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
665 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

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 Colorado to Portugal. 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 to fly from Colorado to Portugal one-way?

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Colorado to Portugal (average of $612). Flying from Colorado 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.

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Alternative routes for Colorado 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 Colorado to Portugal

Discover the top 10 airlines that operate flights from Colorado 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$491Average$1,076FlexibilityNo cancel feeOn-time72%
KLMCheapest$516Average$974FlexibilityNo cancel feeOn-time75%
DeltaCheapest$537Average$1,000FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$539Average$930FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$544Average$685FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$547Average$1,020FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$552Average$937FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$583Average$654FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$594Average$896FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$620Average$1,271FlexibilityNo cancel feeOn-time76%
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