How does KAYAK find such low prices on flights from Colorado to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Porto. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Colorado is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Colorado to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Colorado with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$569 CHEAP FLIGHTS from Colorado to Porto

OPO

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$569

Overall average: $1,095

Lufthansa

Tue 12/2Thu 12/11

DEN - OPO • 1 stop

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We hope you love your trip to Porto!

Flight Deals

Cheap Flights from Colorado to Porto

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

Recent round-trip flight deals from Colorado to Porto

Tue, Dec 2 - Thu, Dec 11

4:20 pm - 12:50 pmDEN-OPO

13h 30m1 stop

6:00 am - 4:00 pmOPO-DEN

17h 00m1 stop

$569Lufthansa

Find Deal

Mon, Dec 1 - Tue, Dec 9

4:20 pm - 12:50 pmDEN-OPO

13h 30m1 stop

6:00 am - 4:00 pmOPO-DEN

17h 00m1 stop

$574Lufthansa

Find Deal

Tue, Dec 2 - Thu, Dec 11

11:15 am - 12:05 pmDEN-OPO

17h 50m2 stops

6:00 am - 4:00 pmOPO-DEN

17h 00m1 stop

$577Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 15

5:30 pm - 11:15 amDEN-OPO

58h 45m2 stops

1:45 pm - 2:35 pmOPO-DEN

31h 50m1 stop

$579Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 15

4:20 pm - 12:50 pmDEN-OPO

13h 30m1 stop

1:45 pm - 2:35 pmOPO-DEN

31h 50m1 stop

$580Lufthansa

Find Deal

Mon, Dec 1 - Mon, Dec 15

6:48 am - 10:30 amDEN-OPO

20h 42m2 stops

11:15 am - 7:01 pmOPO-DEN

38h 46m2 stops

$582Delta

Find Deal

Mon, Dec 1 - Tue, Dec 9

10:18 am - 10:30 amDEN-OPO

17h 12m2 stops

9:55 am - 11:45 pmOPO-DEN

20h 50m2 stops

$591KLM

Find Deal

Mon, Dec 1 - Wed, Dec 10

6:00 am - 2:55 pmDEN-OPO

25h 55m2 stops

6:00 am - 4:00 pmOPO-DEN

17h 00m1 stop

$592United Airlines

Find Deal

Mon, Dec 1 - Thu, Dec 11

11:59 pm - 10:30 amDEN-OPO

27h 31m2 stops

11:20 am - 11:45 pmOPO-DEN

19h 25m2 stops

$597Delta

Find Deal

Sun, Nov 30 - Wed, Dec 10

5:45 pm - 3:15 pmDEN-OPO

14h 30m1 stop

6:00 am - 4:00 pmOPO-DEN

17h 00m1 stop

$637United Airlines

Find Deal

Useful Info

Low season	February
High season	July
Cheapest flight	$569

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 21% increase in price.

Flight from Denver to Porto

How does KAYAK find such low prices on flights from Colorado to Porto?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Porto.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Porto?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Colorado to Porto?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Colorado with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Porto?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lamego

Guimarães

Pinhao

Chaves

Esposende

Viseu

Arcos de Valdevez

Espinho

Ponte de Lima

Caminha

Baiao

Mira

Penafiel

Santa Maria da Feira

Amares

Curia

Everything you need to know for your flight to Porto

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Porto

Porto (OPO)

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OPO

$451 Find Cheap Flights from Colorado to Porto

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

Everything you should know

Cheap Flights from Colorado to Porto

Recent round-trip flight deals from Colorado to Porto

Good to know

FAQs for booking flights from Colorado to Porto

How does KAYAK find such low prices on flights from Colorado to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Porto.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Colorado to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Colorado with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Porto?

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Cabin class types available on flights to Colorado

Complete your trip to Porto with a hotel stay or car rental

Find direct flights for Porto

Flights to other popular destinations

Flights from domestic origins to Porto

Choose which airport to fly into in Porto