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>

$564 CHEAP FLIGHTS from Colorado to Porto

OPO

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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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Colorado to Porto

KAYAK's recommended round-trip deals from the most popular airlines that fly from Colorado to Porto.

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

Choose your dates

7:50 pm - 9:50 amDEN-OPO

31h 00m1 stop

4:50 pm - 5:55 pmOPO-DEN

32h 05m1 stop

$683Turkish Airlines

Find Deal

Sun, Sep 14 - Mon, Sep 29

5:40 pm - 9:25 amDEN-OPO

32h 45m1 stop

12:50 pm - 10:18 amOPO-DEN

28h 28m1 stop

$686Air Canada

Find Deal

Tue, Sep 16 - Tue, Sep 30

4:15 pm - 11:20 pmDEN-OPO

24h 05m1 stop

6:15 am - 1:45 pmOPO-DEN

14h 30m1 stop

$714Lufthansa

Find Deal

Wed, May 7 - Wed, May 14

5:40 pm - 3:30 pmDEN-OPO

14h 50m1 stop

6:40 am - 8:16 pmOPO-DEN

20h 36m2 stops

$721KLM

Find Deal

Sun, Apr 20 - Fri, May 2

2:35 pm - 3:30 pmDEN-OPO

17h 55m2 stops

6:20 am - 7:58 pmOPO-DEN

20h 38m2 stops

$726

Find Deal

Wed, May 7 - Wed, May 14

4:15 pm - 3:35 pmDEN-OPO

16h 20m2 stops

11:25 am - 11:40 pmOPO-DEN

19h 15m2 stops

$731KLM

Find Deal

Sun, Apr 20 - Fri, May 2

4:15 pm - 11:20 pmDEN-OPO

24h 05m1 stop

11:10 am - 12:30 amOPO-DEN

20h 20m2 stops

$738Lufthansa

Find Deal

Wed, May 7 - Wed, May 14

9:40 am - 9:35 amDEN-OPO

16h 55m1 stop

12:10 pm - 4:35 pmOPO-DEN

35h 25m2 stops

$743United Airlines

Find Deal

Mon, Sep 1 - Thu, Sep 11

6:15 am - 9:45 amDEN-OPO

20h 30m2 stops

12:10 pm - 3:39 pmOPO-DEN

34h 29m2 stops

$752United Airlines

Find Deal

Mon, Sep 1 - Thu, Sep 11

6:15 am - 9:25 amDEN-OPO

20h 10m2 stops

6:00 am - 11:18 pmOPO-DEN

24h 18m2 stops

$760

Find Deal

Wed, Sep 17 - Sat, Oct 4

Low season	February
High season	July
Cheapest flight	$564

Best time to beat the crowds with an average 24% drop in price.

Most popular time to fly with an average 27% 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.

See more FAQs

Lamego

Guimarães

Pinhao

Viseu

Esposende

Ponte de Lima

Arcos de Valdevez

Baiao

Santa Maria da Feira

Amares

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Porto (OPO)

OPO

$564 Find Cheap Flights from Colorado to Porto

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Porto departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

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

Low season

High season

Cheapest flight

FAQs for booking flights from Colorado to Porto

How does KAYAK find such low prices 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?

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

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

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

Cabin classes available on flights to Porto. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Find direct flights for Porto

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights from domestic origins to Porto

Flights from all regions of Colorado to Porto. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Porto