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>

$273 CHEAP FLIGHTS from Colorado to Porto

OPO

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

...and more

Travelers love KAYAK

41 299 237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$494

Overall average: $1,040

Multiple Airlines

Mon 5/4Fri 5/8

DEN - OPO • 1 stop

Cheapest one-way

$273

Typical prices: $428-$693

Multiple Airlines

Tue 4/21

DEN - OPO • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto!

Flight Deals

Cheap Flights from Colorado to Porto

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Colorado to Porto

Mon, May 4 - Fri, May 8

5:40 pm - 10:50 pm

DEN

OPO

22h 10m

1 stop

8:40 am - 8:28 pm

OPO

DEN

18h 48m

2 stops

$494Multiple Airlines

Mon, May 4 - Fri, May 8

5:40 pm - 10:50 pm

DEN

OPO

22h 10m

1 stop

6:00 am - 3:40 pm

OPO

DEN

16h 40m

1 stop

$504Lufthansa

Mon, May 4 - Thu, May 7

5:40 pm - 11:00 pm

DEN

OPO

22h 20m

1 stop

6:00 am - 3:40 pm

OPO

DEN

16h 40m

1 stop

$506Lufthansa

Mon, May 4 - Fri, May 8

5:40 pm - 10:50 pm

DEN

OPO

22h 10m

1 stop

8:40 am - 9:08 pm

OPO

DEN

19h 28m

2 stops

$510Multiple Airlines

Mon, May 4 - Fri, May 8

5:40 pm - 11:00 pm

DEN

OPO

22h 20m

1 stop

6:00 am - 12:44 am

OPO

DEN

25h 44m

2 stops

$516Lufthansa

Mon, May 4 - Fri, May 8

2:39 pm - 4:00 pm

DEN

OPO

18h 21m

2 stops

12:25 pm - 11:45 pm

OPO

DEN

18h 20m

2 stops

$525Iberia

Mon, Apr 27 - Thu, May 7

4:05 pm - 11:25 pm

DEN

OPO

24h 20m

1 stop

6:00 am - 11:10 pm

OPO

DEN

24h 10m

2 stops

$536Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

12:46 pm - 9:30 am

DEN

OPO

13h 44m

1 stop

6:00 am - 5:00 pm

OPO

DEN

17h 00m

1 stop

$549United Airlines

Mon, Apr 20 - Tue, Apr 28

4:05 pm - 11:25 pm

DEN

OPO

24h 20m

1 stop

6:20 am - 2:20 pm

OPO

DEN

15h 00m

1 stop

$553Lufthansa

Tue, Mar 3 - Tue, Mar 10

7:45 am - 9:30 am

DEN

OPO

18h 45m

2 stops

6:00 am - 5:00 pm

OPO

DEN

17h 00m

1 stop

$554United Airlines

Useful Info

Low season	November
High season	July
Cheapest flight	$273

Best time to beat the crowds with an average 18% drop in price.

Most popular time to fly with an average 22% 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

Santa Maria da Feira

Mira

Penafiel

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)

OPO

$273 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

Recent one-way flight deals from Colorado to Porto

Recent last minute 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