How long is the flight from Colorado to Portugal?

A quick flight from Colorado to Portugal can take about 13h 45m. United Airlines provides one of the quickest options available for as low as $600. Airlines will cover a distance of 4747 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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.

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).

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.

$244+ Cheap Flights from Colorado to Portugal

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Colorado to Portugal 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 Colorado to Portugal

Round-trip from	$578 (American Airlines)
One-way from	$244 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$969

From Colorado to Portugal

Search Deals

One-way flight from Colorado to Portugal

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($186 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 September 16, 2025.

Tue 11/46:23 amDEN - OPO

2 stops18h 17mAmerican Airlines

Wed 11/128:20 amOPO - DEN

2 stops21h 02mAmerican Airlines

Deal found 9/15

$578

Tue 11/412:45 pmDEN - OPO

1 stop13h 45mUnited Airlines

Wed 11/126:00 amOPO - DEN

1 stop17h 00mUnited Airlines

Deal found 9/15

$600

Mon 10/274:10 pmDEN - OPO

1 stop11h 20mUnited Airlines

Fri 11/712:30 pmOPO - DEN

2 stops17h 45mUnited Airlines

Deal found 9/16

$610

Mon 10/2711:45 amDEN - OPO

1 stop15h 45mMultiple Airlines

Fri 11/76:15 amOPO - DEN

1 stop15h 20mMultiple Airlines

Deal found 9/16

$611

Wed 10/295:20 pmDEN - OPO

2 stops18h 15mMultiple Airlines

Wed 11/51:55 pmOPO - DEN

2 stops33h 05mMultiple Airlines

Deal found 9/14

$623

Wed 10/295:20 pmDEN - OPO

1 stop24h 20mLufthansa

Wed 11/512:30 pmOPO - DEN

2 stops17h 45mLufthansa

Deal found 9/14

$628

Wed 10/296:45 pmDEN - OPO

1 stop14h 40mUnited Airlines

Wed 11/512:35 pmOPO - DEN

1 stop15h 48mUnited Airlines

Deal found 9/14

$635

Thu 10/3010:40 amDEN - OPO

2 stops19h 05mIberia

Thu 11/68:40 pmOPO - DEN

2 stops32h 42mIberia

Deal found 9/15

$639

Tue 9/237:50 pmDEN - OPO

1 stop31h 15mTurkish Airlines

Wed 10/810:50 amOPO - DEN

1 stop38h 05mTurkish Airlines

Deal found 9/16

$644

Thu 10/304:10 pmDEN - OPO

1 stop11h 20mUnited Airlines

Thu 11/66:00 amOPO - DEN

1 stop17h 00mUnited Airlines

Deal found 9/15

$650

Tue 11/411:15 amDEN - OPO

3 stops22h 45mMultiple Airlines

Wed 11/127:35 amOPO - DEN

2 stops19h 20mMultiple Airlines

Deal found 9/15

$651

Tue 11/1111:47 amDEN - LIS

1 stop13h 13mMultiple Airlines

Sat 11/225:00 amLIS - DEN

2 stops19h 25mMultiple Airlines

Deal found 9/15

$651

Best flights from Colorado to Portugal
Discover carefully curated flight deals from Colorado to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Tue 3/101:45 pmDEN - OPO

1 stop13h 45mUnited Airlines

Wed 3/186:00 amOPO - DEN

1 stop14h 40mUnited Airlines

Deal found 9/14

$600

Tue 3/312:46 pmDEN - OPO

1 stop13h 44mMultiple Airlines

Tue 3/176:00 amOPO - DEN

1 stop14h 40mMultiple Airlines

Deal found 9/16

$600

Tue 3/102:27 pmDEN - OPO

2 stops19h 33mBritish Airways

Wed 3/188:40 pmOPO - DEN

2 stops27h 00mBritish Airways

Deal found 9/14

$601

Tue 3/103:45 pmDEN - FNC

2 stops35h 45mKLM

Mon 3/1610:25 amFNC - DEN

2 stops38h 06mKLM

Deal found 9/16

$646

Wed 11/197:10 amDEN - LIS

2 stops20h 25mDelta

Fri 11/285:00 amLIS - DEN

2 stops22h 03mDelta

Deal found 9/14

$710

Wed 11/512:26 pmDEN - LIS

2 stops19h 59mFinnair

Sun 11/164:10 pmLIS - DEN

2 stops32h 35mFinnair

Deal found 9/14

$764

Mon 10/277:10 amDEN - LIS

2 stops32h 20mScandinavian Airlines

Fri 10/316:55 amLIS - DEN

2 stops22h 54mScandinavian Airlines

Deal found 9/14

$789

Wed 11/127:00 amDEN - FAO

2 stops27h 30mAer Lingus

Sun 11/2311:10 amFAO - DEN

2 stops43h 38mAer Lingus

Deal found 9/14

$876

Fri 10/313:35 pmCOS - LIS

2 stops15h 45mLufthansa

Sat 11/85:00 amLIS - COS

2 stops20h 59mLufthansa

Deal found 9/16

$886

Tue 3/109:35 amDEN - FNC

2 stops21h 55mTAP AIR PORTUGAL

Tue 3/1711:00 amFNC - DEN

2 stops27h 45mTAP AIR PORTUGAL

Deal found 9/16

$978

Sat 12/612:25 pmASE - LIS

2 stops40h 40mAmerican Airlines

Wed 12/1011:15 amLIS - ASE

2 stops39h 23mAmerican Airlines

Deal found 9/14

$1,018

Wed 3/41:45 pmDEN - OPO

1 stop12h 45mUnited Airlines

Thu 3/196:00 amOPO - DEN

1 stop14h 40mUnited Airlines

Deal found 9/16

$600

Mon 3/94:40 pmDEN - FNC

2 stops34h 55mKLM

Mon 3/1610:25 amFNC - DEN

2 stops37h 12mKLM

Deal found 9/16

$646

Tue 11/412:45 pmDEN - OPO

1 stop13h 45mUnited Airlines

Wed 11/126:00 amOPO - DEN

1 stop17h 00mUnited Airlines

Deal found 9/15

$600

Fri 10/316:25 pmDEN - LIS

1 stop22h 00mBritish Airways

Sat 11/810:30 amLIS - DEN

1 stop19h 48mBritish Airways

Deal found 9/14

$715

Thu 11/2012:20 pmDEN - LIS

1 stop13h 35mDelta

Fri 11/285:00 amLIS - DEN

2 stops22h 03mDelta

Deal found 9/16

$721

Thu 11/2711:47 amDEN - FNC

2 stops22h 23mKLM

Wed 12/310:25 amFNC - DEN

2 stops35h 32mKLM

Deal found 9/15

$656

Tue 3/31:45 pmDEN - OPO

1 stop12h 45mUnited Airlines

Thu 3/196:00 amOPO - DEN

1 stop14h 40mUnited Airlines

Deal found 9/16

$600

Thu 11/2012:27 pmDEN - LIS

2 stops13h 38mMultiple Airlines

Fri 11/2811:05 amLIS - DEN

2 stops17h 59mMultiple Airlines

Deal found 9/15

$730

Tue 3/106:25 pmDEN - FAO

1 stop17h 05mBritish Airways

Wed 3/186:20 pmFAO - DEN

1 stop28h 10mBritish Airways

Deal found 9/14

$725

Wed 10/81:16 pmCOS - LIS

2 stops22h 24mDelta

Wed 10/225:00 amLIS - COS

2 stops24h 10mDelta

Deal found 9/15

$737

Thu 11/1312:02 pmDEN - FNC

2 stops22h 08mKLM

Mon 11/1710:25 amFNC - DEN

2 stops35h 34mKLM

Deal found 9/15

$696

Sat 11/155:25 pmDEN - LIS

1 stop22h 05mBritish Airways

Fri 11/216:45 pmLIS - DEN

1 stop27h 45mBritish Airways

Deal found 9/15

$733

Wed 10/811:30 amCOS - LIS

3 stops16h 35mAir Canada

Wed 10/2211:25 amLIS - COS

3 stops19h 27mAir Canada

Deal found 9/14

$1,789

Mon 3/93:55 pmDEN - TER

2 stops38h 05mMultiple Airlines

Mon 3/1612:35 pmTER - DEN

2 stops35h 53mMultiple Airlines

Deal found 9/16

$814

Tue 10/148:20 pmDEN - LIS

1 stop18h 30mUnited Airlines

Tue 10/2811:55 amLIS - DEN

1 stop18h 20mUnited Airlines

Deal found 9/14

$688

Thu 10/912:10 pmASE - LIS

2 stops23h 30mDelta

Thu 10/3011:25 amLIS - ASE

2 stops29h 45mDelta

Deal found 9/16

$796

Wed 10/85:49 pmCOS - LIS

2 stops17h 51mKLM

Wed 10/225:00 amLIS - COS

2 stops19h 09mKLM

Deal found 9/14

$737

Thu 11/133:40 pmDEN - FNC

2 stops19h 10mMultiple Airlines

Sun 11/164:10 amFNC - DEN

3 stops20h 55mMultiple Airlines

Deal found 9/14

$820

Wed 12/311:49 amDEN - PDL

2 stops24h 46mTAP AIR PORTUGAL

Sun 12/76:30 amPDL - DEN

2 stops22h 34mTAP AIR PORTUGAL

Deal found 9/15

$994

Last-minute flights from Colorado to Portugal
Discover last-minute flight deals from Colorado to Portugal. Data last updated September 16, 2025 and is based on user searches.

Tue 9/237:50 pmDEN - OPO

1 stop31h 15mTurkish Airlines

Wed 10/810:50 amOPO - DEN

1 stop38h 05mTurkish Airlines

Deal found 9/16

$644

Tue 9/304:15 pmDEN - LIS

1 stop22h 35mLufthansa

Tue 10/142:25 pmLIS - DEN

1 stop30h 20mLufthansa

Deal found 9/15

$670

Mon 10/135:59 pmDEN - OPO

1 stop21h 51mLufthansa

Tue 10/2112:05 pmOPO - DEN

2 stops18h 25mLufthansa

Deal found 9/14

$666

Wed 10/154:15 pmDEN - LIS

1 stop14h 25mLufthansa

Thu 10/232:30 pmLIS - DEN

1 stop30h 15mLufthansa

Deal found 9/15

$671

Mon 10/279:20 amDEN - OPO

2 stops20h 25mAmerican Airlines

Fri 11/78:20 amOPO - DEN

2 stops21h 02mAmerican Airlines

Deal found 9/16

$578

Mon 10/274:10 pmDEN - OPO

1 stop11h 20mUnited Airlines

Fri 11/712:30 pmOPO - DEN

2 stops17h 45mUnited Airlines

Deal found 9/16

$610

Mon 10/2711:45 amDEN - OPO

1 stop15h 45mMultiple Airlines

Fri 11/76:15 amOPO - DEN

1 stop15h 20mMultiple Airlines

Deal found 9/16

$611

Wed 10/295:20 pmDEN - OPO

2 stops18h 15mMultiple Airlines

Wed 11/51:55 pmOPO - DEN

2 stops33h 05mMultiple Airlines

Deal found 9/14

$623

Wed 10/295:20 pmDEN - OPO

1 stop24h 20mLufthansa

Wed 11/512:30 pmOPO - DEN

2 stops17h 45mLufthansa

Deal found 9/14

$628

Wed 10/296:45 pmDEN - OPO

1 stop14h 40mUnited Airlines

Wed 11/512:35 pmOPO - DEN

1 stop15h 48mUnited Airlines

Deal found 9/14

$635

Thu 10/3010:40 amDEN - OPO

2 stops19h 05mIberia

Thu 11/68:40 pmOPO - DEN

2 stops32h 42mIberia

Deal found 9/15

$639

Thu 10/304:10 pmDEN - OPO

1 stop11h 20mUnited Airlines

Thu 11/66:00 amOPO - DEN

1 stop17h 00mUnited Airlines

Deal found 9/15

$650

One-way flights from Colorado to Portugal
Search for one-way flight options from Colorado to Portugal. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Mon 10/612:15 pmDEN - FAO

2 stops23h 25mMultiple Airlines

Deal found 9/14

$244

Tue 10/78:22 pmDEN - FAO

3 stops39h 18mMultiple Airlines

Deal found 9/14

$250

Sat 10/44:14 pmDEN - FAO

2 stops43h 46mMultiple Airlines

Deal found 9/14

$256

Wed 10/86:10 amDEN - FAO

2 stops29h 30mMultiple Airlines

Deal found 9/14

$257

Fri 10/34:14 pmDEN - FAO

2 stops35h 36mMultiple Airlines

Deal found 9/14

$263

Thu 11/134:08 pmDEN - FAO

2 stops42h 52mMultiple Airlines

Deal found 9/14

$274

Sat 10/1110:55 pmDEN - LIS

2 stops50h 20mMultiple Airlines

Deal found 9/15

$275

Wed 10/156:10 amDEN - OPO

3 stops26h 15mMultiple Airlines

Deal found 9/16

$282

Tue 10/216:01 amDEN - LIS

2 stops19h 19mMultiple Airlines

Deal found 9/14

$287

Tue 10/78:40 amDEN - LIS

3 stops30h 50mMultiple Airlines

Deal found 9/15

$288

Thu 11/134:08 pmDEN - LIS

2 stops57h 57mMultiple Airlines

Deal found 9/14

$292

Tue 10/148:40 amDEN - OPO

3 stops25h 00mMultiple Airlines

Deal found 9/14

$303

Fly from

Fly to

Route

Depart

Return

Price

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/10

1:45 pm-9:30 am

1 stop13h 45m

Porto

Wed 3/18

6:00 am-2:40 pm

1 stop14h 40m

$600

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/3

12:46 pm-9:30 am

1 stop13h 44m

Porto

Tue 3/17

6:00 am-2:40 pm

1 stop14h 40m

$600

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 3/4

1:45 pm-9:30 am

1 stop12h 45m

Porto

Thu 3/19

6:00 am-2:40 pm

1 stop14h 40m

$600

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 11/4

12:45 pm-9:30 am

1 stop13h 45m

Porto

Wed 11/12

6:00 am-4:00 pm

1 stop17h 00m

$600

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/3

1:45 pm-9:30 am

1 stop12h 45m

Porto

Thu 3/19

6:00 am-2:40 pm

1 stop14h 40m

$600

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 3/10

2:27 pm-4:00 pm

2 stops19h 33m

Porto

Wed 3/18

8:40 pm-5:40 pm

2 stops27h 00m

$601

DenverFunchal

DEN - FNC

DENFNC

Denver Intl

Tue 3/10

3:45 pm-9:30 am

2 stops35h 45m

Funchal Madeira

Mon 3/16

10:25 am-6:31 pm

2 stops38h 06m

$646

DenverFunchal

DEN - FNC

DENFNC

Denver Intl

Mon 3/9

4:40 pm-9:35 am

2 stops34h 55m

Funchal Madeira

Mon 3/16

10:25 am-5:37 pm

2 stops37h 12m

$646

DenverFunchal

DEN - FNC

DENFNC

Denver Intl

Thu 11/27

11:47 am-5:10 pm

2 stops22h 23m

Funchal Madeira

Wed 12/3

10:25 am-2:57 pm

2 stops35h 32m

$656

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 10/14

8:20 pm-9:50 pm

1 stop18h 30m

Lisbon Humberto Delgado

Tue 10/28

11:55 am-12:15 am

1 stop18h 20m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results

...

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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Portugal

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 $1,127). 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?

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.

Related info for your journey

How long is the flight from Colorado to Portugal?
A quick flight from Colorado to Portugal can take about 13h 45m. United Airlines provides one of the quickest options available for as low as $600. Airlines will cover a distance of 4747 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 $1,127). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Colorado to Portugal

John F Kennedy Intl to Heathrow flights

John F Kennedy Intl to Charles de Gaulle flights

Newark to Heathrow flights

Newark to Charles de Gaulle flights

John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights

John F Kennedy Intl to Istanbul flights

Newark to Orly flights

Newark to Leonardo da Vinci/Fiumicino flights

Boston to Heathrow flights

LaGuardia to Heathrow flights

Dulles Intl to Heathrow flights

John F Kennedy Intl to Lisbon flights

John F Kennedy Intl to London City flights

Los Angeles to Heathrow flights

John F Kennedy Intl to Orly flights

Newark to Gatwick flights

John F Kennedy Intl to Gatwick flights

Newark to Madrid flights

LaGuardia to Charles de Gaulle flights

O'Hare Intl to Heathrow flights

Newark to Lisbon flights

Miami to Madrid flights

Dulles Intl to Charles de Gaulle flights

John F Kennedy Intl to Madrid flights

Newark to Barcelona-El Prat flights

Dallas/Fort Worth to Heathrow flights

Boston to Charles de Gaulle flights

San Francisco to Heathrow flights

John F Kennedy Intl to Barcelona-El Prat flights

Baltimore to Heathrow flights

O'Hare Intl to Charles de Gaulle flights

John F Kennedy Intl to Frederic Chopin flights

Newark to Malpensa flights

Los Angeles to Charles de Gaulle flights

John F Kennedy Intl to Athens flights

LaGuardia to Gatwick flights

Newark to London City flights

Dallas/Fort Worth to Charles de Gaulle flights

John F Kennedy Intl to Malpensa flights

Newark to Dublin flights

Seattle to Heathrow flights

John F Kennedy Intl to Frankfurt flights

LaGuardia to Leonardo da Vinci/Fiumicino flights

John F Kennedy Intl to Dublin flights

Newark to Athens flights

O'Hare Intl to Leonardo da Vinci/Fiumicino flights

John F Kennedy Intl to Amsterdam flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

John F Kennedy Intl to Zurich flights

San Francisco to Charles de Gaulle flights

Complete your trip

Portugal car rentals

Madeira car rentals

Azores car rentals

Lisbon Humberto Delgado Airport car rentals

Porto Airport car rentals

Ponta Delgada Nordela Airport car rentals

Lajes Airport car rentals

Lisbon car rentals

Porto car rentals

Funchal car rentals

Ponta Delgada car rentals

Faro car rentals

Top 10 airlines flying from Colorado to Portugal

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$458	Average$676	FlexibilityNo cancel fee	On-time76%
Virgin Atlantic	Cheapest$539	Average$1,076	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$548	Average$962	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$555	Average$675	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$569	Average$896	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$577	Average$899	FlexibilityNo cancel fee	On-time70%
Scandinavian Airlines	Cheapest$582	Average$708	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$597	Average$1,041	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$599	Average$791	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$621	Average$1,045	FlexibilityNo cancel fee	On-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.

$244+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Portugal with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Colorado to Portugal

Keep the following information in mind while searching for Colorado to Portugal flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado to Portugal

Cheapest flights from Colorado to PortugalExplore 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 September 16, 2025.

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 September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Portugal that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Portugal

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

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 September 16, 2025.

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.

How long is the flight from Colorado to Portugal?

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

How can I find direct flights from Colorado to Portugal?

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

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

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 Colorado to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Colorado to Portugal

100% Free

Book with Flexibility

Travel Smart

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 September 16, 2025.