Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Colorado to Porto from $352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Porto departing on 4/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Colorado to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:25 pm - 9:40 am
DEN
-
OPO
30h 15m
1 stop
Turkish Airlines Logo
6:15 am - 6:25 pm
OPO
-
DEN
19h 10m
1 stop
$658Turkish Airlines
Sat, Apr 18 - Sat, Apr 25
Turkish Airlines Logo
8:25 pm - 10:00 am
DEN
-
OPO
30h 35m
1 stop
Turkish Airlines Logo
4:45 pm - 6:25 pm
OPO
-
DEN
32h 40m
1 stop
$675Turkish Airlines
Tue, Sep 1 - Fri, Sep 18
Turkish Airlines Logo
8:25 pm - 11:30 pm
DEN
-
OPO
20h 05m
1 stop
Turkish Airlines Logo
6:10 am - 6:25 pm
OPO
-
DEN
19h 15m
1 stop
$681Turkish Airlines
Thu, May 7 - Thu, May 14
Turkish Airlines Logo
8:25 pm - 11:30 pm
DEN
-
OPO
20h 05m
1 stop
Turkish Airlines Logo
4:40 pm - 6:25 pm
OPO
-
DEN
32h 45m
1 stop
$709Turkish Airlines
Sat, Apr 25 - Sat, May 2
Turkish Airlines Logo
8:25 pm - 11:30 pm
DEN
-
OPO
20h 05m
1 stop
Turkish Airlines Logo
4:50 pm - 6:25 pm
OPO
-
DEN
32h 35m
1 stop
$711Turkish Airlines
Tue, Aug 18 - Mon, Aug 31
Turkish Airlines Logo
8:25 pm - 11:30 pm
DEN
-
OPO
20h 05m
1 stop
Turkish Airlines Logo
4:40 pm - 6:25 pm
OPO
-
DEN
32h 45m
1 stop
$732Turkish Airlines
Tue, Sep 8 - Wed, Sep 16
Turkish Airlines Logo
8:25 pm - 3:50 pm
DEN
-
OPO
36h 25m
1 stop
Turkish Airlines Logo
4:40 pm - 6:25 pm
OPO
-
DEN
32h 45m
1 stop
$750Turkish Airlines
Sun, Sep 6 - Wed, Sep 23
Iberia Logo
5:14 pm - 4:00 pm
DEN
-
OPO
15h 46m
2 stops
Iberia Logo
8:40 pm - 10:45 pm
OPO
-
DEN
33h 05m
2 stops
$751Iberia
Mon, Apr 20 - Mon, Apr 27
Turkish Airlines Logo
8:25 pm - 3:40 pm
DEN
-
OPO
36h 15m
1 stop
Turkish Airlines Logo
4:45 pm - 6:25 pm
OPO
-
DEN
32h 40m
1 stop
$755Turkish Airlines
Tue, Sep 8 - Fri, Sep 25
Lufthansa Logo
4:05 pm - 11:25 pm
DEN
-
OPO
24h 20m
1 stop
Lufthansa Logo
6:00 am - 3:40 pm
OPO
-
DEN
16h 40m
1 stop
$768Lufthansa
Mon, Apr 20 - Mon, Apr 27

Turkish Airlines flights from Colorado to Porto

Our best Turkish Airlines deals on Colorado to Porto flight tickets
Turkish Airlines
Apr 2
DEN8:25 pmDenver Intl
20h 05m
1 stop
OPO11:30 pmPorto
Apr 11
OPO4:40 pmPorto
32h 45m
1 stop
DEN6:25 pmDenver Intl
$648
Turkish Airlines
Apr 18
DEN8:25 pmDenver Intl
30h 15m
1 stop
OPO9:40 amPorto
Apr 25
OPO6:15 amPorto
19h 10m
1 stop
DEN6:25 pmDenver Intl
$658
Turkish Airlines
Sep 1
DEN8:25 pmDenver Intl
30h 35m
1 stop
OPO10:00 amPorto
Sep 18
OPO4:45 pmPorto
32h 40m
1 stop
DEN6:25 pmDenver Intl
$675

British Airways flights from Colorado to Porto

Our best British Airways deals on Colorado to Porto flight tickets
British Airways
Apr 13
DEN6:30 pmDenver Intl
18h 35m
1 stop
OPO8:05 pmPorto
Apr 29
OPO8:20 amPorto
22h 39m
2 stops
DEN11:59 pmDenver Intl
$827
British Airways
Apr 13
DEN6:30 pmDenver Intl
18h 35m
2 stops
OPO8:05 pmPorto
Apr 29
OPO8:20 amPorto
22h 39m
2 stops
DEN11:59 pmDenver Intl
$832

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Colorado to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Sat 4/18

8:25 pm-9:40 am

1 stop30h 15m

Porto

Sat 4/25

6:15 am-6:25 pm

1 stop19h 10m

$658

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/1

8:25 pm-10:00 am

1 stop30h 35m

Porto

Fri 9/18

4:45 pm-6:25 pm

1 stop32h 40m

$675
Quickest round-trip

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Thu 5/7

8:25 pm-11:30 pm

1 stop20h 05m

Porto

Thu 5/14

6:10 am-6:25 pm

1 stop19h 15m

$681

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Sat 4/25

8:25 pm-11:30 pm

1 stop20h 05m

Porto

Sat 5/2

4:40 pm-6:25 pm

1 stop32h 45m

$709

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 8/18

8:25 pm-11:30 pm

1 stop20h 05m

Porto

Mon 8/31

4:50 pm-6:25 pm

1 stop32h 35m

$711

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/8

8:25 pm-11:30 pm

1 stop20h 05m

Porto

Wed 9/16

4:40 pm-6:25 pm

1 stop32h 45m

$732

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Sun 9/6

8:25 pm-3:50 pm

1 stop36h 25m

Porto

Wed 9/23

4:40 pm-6:25 pm

1 stop32h 45m

$750

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 4/20

5:14 pm-4:00 pm

2 stops15h 46m

Porto

Mon 4/27

8:40 pm-10:45 pm

2 stops33h 05m

$751

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/8

8:25 pm-3:40 pm

1 stop36h 15m

Porto

Fri 9/25

4:45 pm-6:25 pm

1 stop32h 40m

$755

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 4/20

4:05 pm-11:25 pm

1 stop24h 20m

Porto

Mon 4/27

6:00 am-3:40 pm

1 stop16h 40m

$768

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto from

How to get the cheapest flight ticket from Colorado to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Colorado, with most prices found around $723. If you aren’t able to travel during the month of February, then book flights to Porto from Colorado during November instead. Flights to Porto in November, while not as cheap as those in February, still average around $799.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $936 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Colorado for as low as $753 on momondo.

Can stopping save me money on Colorado to Porto flights?

You could potentially save up to 30% on your flight if you consider stops on a Colorado to Porto flight.

Cheap Colorado to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Porto

Fastest flight time

12h 35m

Direct flights

None
The fastest flight from Colorado to Porto takes 12h 35m
There are no direct flights from Colorado to Porto. There are no popular flight routes from Colorado to Porto.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Porto Airport?

    Prices for flights from Colorado to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Colorado to Porto Airport?

  • How old do you have to be to fly from Colorado to Porto Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Porto

Compare and see reviews for airlines that fly from Colorado to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $593Free CancellationRating
7.4
9,478 reviews
Search United Airlines flights
LufthansaPriceFrom $663Free CancellationRating
6.8
7,869 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $690Free CancellationRating
7.4
4,276 reviews
Search Turkish Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Aveiro
Braga
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Porto?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Colorado.

Can I find flights from Colorado to Porto with flexible booking policies on momondo?

All flight searches from Colorado to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Porto?

Once all potential Colorado to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Colorado to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Colorado to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/25
Sat 5/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal