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$543+ Cheap flights from Colorado to Porto (OPO)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OPO
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Colorado to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to Porto (OPO). 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 November 21, 2024.

Find flight deals from Colorado to Porto

Cheapest flights from Colorado to Porto
Explore the most affordable flight options available from Colorado to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United deal was found by Cheapflights users on 11/21. 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.
Wed 12/115:45 pmDEN - OPO
1 stop14h 30mUnited Airlines
Wed 12/186:00 amOPO - DEN
2 stops34h 00mUnited Airlines
Deal found 11/21$887
This Expedia deal was found by Cheapflights users on 11/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/75:40 pmDEN - OPO
2 stops41h 35mMultiple Airlines
Sun 12/156:05 amOPO - DEN
2 stops35h 23mMultiple Airlines
Deal found 11/21$938
This CheapOair deal was found by Cheapflights users on 11/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:35 pmDEN - OPO
1 stop31h 25mTurkish Airlines
Mon 1/611:00 amOPO - DEN
1 stop37h 40mTurkish Airlines
Deal found 11/21$1,220
This Air Canada deal was found by Cheapflights users on 11/21. 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 12/2411:15 amDEN - OPO
2 stops18h 35mAir Canada
Tue 1/76:00 amOPO - DEN
2 stops33h 57mAir Canada
Deal found 11/21$1,314
This KAYAK deal was found by Cheapflights users on 11/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/243:50 pmDEN - OPO
1 stop23h 35mLufthansa
Tue 1/76:00 amOPO - DEN
1 stop16h 55mLufthansa
Deal found 11/21$1,890

Find flights from Colorado to Porto within your budget

Customize your flight search to find flights from Colorado to Porto 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 2,612,795 searches. Data last updated November 21, 2024.

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Price

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 2/11

11:25 am-11:40 am

2 stops17h 15m

Porto

Tue 2/18

6:00 am-10:28 am

2 stops35h 28m

$615

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 2/11

3:50 pm-3:15 pm

1 stop16h 25m

Porto

Tue 2/18

6:00 am-3:55 pm

1 stop16h 55m

$622

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 2/11

11:25 am-12:05 pm

2 stops17h 40m

Porto

Tue 2/18

6:00 am-3:55 pm

1 stop16h 55m

$626

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 1/7

2:50 pm-10:50 am

1 stop13h 00m

Porto

Tue 1/14

6:00 am-8:25 pm

2 stops21h 25m

$628

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/4

7:35 pm-10:00 am

1 stop31h 25m

Porto

Thu 3/20

4:25 pm-6:40 pm

1 stop32h 15m

$658

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Sat 2/8

4:25 pm-12:50 pm

1 stop13h 25m

Porto

Sat 2/22

6:00 am-3:55 pm

1 stop16h 55m

$718

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 1/6

5:30 pm-7:40 am

2 stops31h 10m

Porto

Tue 1/14

8:20 am-3:25 pm

2 stops38h 05m

$969

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/25

10:50 am-1:10 pm

2 stops20h 20m

Porto

Wed 4/2

7:00 am-9:27 pm

2 stops21h 27m

$1,046

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 1/6

5:30 pm-8:00 pm

2 stops19h 30m

Porto

Mon 1/13

9:55 pm-3:25 pm

2 stops24h 30m

$1,144

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Fri 5/16

5:55 pm-7:55 am

1 stop31h 00m

Porto

Fri 5/30

8:40 am-4:20 pm

1 stop14h 40m

$1,676

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 13 results
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Best time to book a flight from Colorado to Porto

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

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

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Porto (average of $517). Flying from Colorado to Porto in June is currently the most expensive (average of $993). 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 OPO?

Find hourly flight availability from Colorado to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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

Rainfall in Porto by month

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

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

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

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated November 21, 2024.
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

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
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.6
Good
1,636 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Turkish Airlines
7.4
Good
3,920 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Brussels Airlines
7.4
Good
366 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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
9,172 reviews
Delta
8.0
Very good
8,755 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

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 Porto. 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 Porto from Colorado?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Colorado to Porto.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Colorado to Porto (average of $517). Flying from Colorado to Porto in June is currently the most expensive (average of $993). 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 Colorado to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Colorado to Porto

Discover the top 5 airlines that operate flights from Colorado to Porto. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$516Average$1,052FlexibilityNo cancel feeOn-time75%
DeltaCheapest$562Average$1,052FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$668Average$1,055FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$685Average$1,282FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$922Average$1,053FlexibilityNo cancel feeOn-time77%
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