Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Colorado to Portugal from $246

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 Portugal departing on 5/3. 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
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 Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 8:10 am
COS
-
LIS
18h 10m2 stops
United Airlines Logo
5:00 am - 6:18 pm
LIS
-
COS
20h 18m2 stops
$499United Airlines
vie., ene. 23 - mar., ene. 27
United Airlines Logo
6:28 pm - 10:15 am
ASE
-
LIS
32h 47m2 stops
United Airlines Logo
11:20 am - 6:39 pm
LIS
-
ASE
38h 19m2 stops
$500United Airlines
jue., feb. 26 - lun., mar. 2
United Airlines Logo
1:25 pm - 11:30 pm
COS
-
LIS
27h 05m2 stops
United Airlines Logo
5:00 am - 2:30 pm
LIS
-
COS
40h 30m2 stops
$502United Airlines
mié., feb. 11 - mié., feb. 18
Multiple Airlines Logo
1:30 pm - 2:35 pm
DEN
-
LIS
18h 05m2 stops
Multiple Airlines Logo
5:00 am - 4:00 pm
LIS
-
DEN
18h 00m1 stop
$508Multiple Airlines
mar., feb. 10 - mar., feb. 17
Lufthansa Logo
4:20 pm - 7:55 pm
DEN
-
LIS
20h 35m1 stop
Lufthansa Logo
5:00 am - 4:00 pm
LIS
-
DEN
18h 00m1 stop
$514Lufthansa
mar., feb. 10 - mar., feb. 17
Iberia Logo
10:38 am - 11:45 am
DEN
-
OPO
18h 07m2 stops
Iberia Logo
12:25 pm - 11:35 pm
OPO
-
DEN
18h 10m2 stops
$521Iberia
mar., abr. 21 - mié., abr. 29
Multiple Airlines Logo
11:20 am - 2:35 pm
DEN
-
LIS
20h 15m2 stops
Multiple Airlines Logo
5:00 am - 4:00 pm
LIS
-
DEN
18h 00m1 stop
$522Multiple Airlines
mar., feb. 10 - mar., feb. 17
British Airways Logo
6:40 pm - 7:30 pm
DEN
-
OPO
17h 50m1 stop
British Airways Logo
8:20 am - 11:35 pm
OPO
-
DEN
22h 15m2 stops
$528British Airways
mar., abr. 21 - mié., abr. 29
Lufthansa Logo
4:20 pm - 1:20 pm
DEN
-
LIS
14h 00m1 stop
Lufthansa Logo
6:10 am - 2:35 pm
LIS
-
DEN
15h 25m1 stop
$529Lufthansa
mar., ene. 20 - jue., ene. 29
British Airways Logo
6:40 pm - 9:05 am
DEN
-
OPO
31h 25m1 stop
British Airways Logo
8:20 pm - 4:30 pm
OPO
-
DEN
27h 10m1 stop
$542British Airways
mar., abr. 21 - mié., abr. 29

Lufthansa flights from Colorado to Portugal

Our best Lufthansa deals on Colorado to Portugal flight tickets
Lufthansa
Feb 17
DEN3:55 pmDenver Intl
15h 35m
1 stop
LIS2:30 pmLisbon Humberto Delgado
Feb 27
LIS5:00 amLisbon Humberto Delgado
21h 31m
2 stops
DEN7:31 pmDenver Intl
$508
Find similar
Lufthansa
Feb 10
DEN4:20 pmDenver Intl
15h 55m
1 stop
LIS3:15 pmLisbon Humberto Delgado
Feb 17
LIS5:00 amLisbon Humberto Delgado
18h 00m
1 stop
DEN4:00 pmDenver Intl
$514
Find similar
Lufthansa
Jan 20
DEN4:20 pmDenver Intl
14h 00m
1 stop
LIS1:20 pmLisbon Humberto Delgado
Jan 29
LIS6:10 amLisbon Humberto Delgado
15h 25m
1 stop
DEN2:35 pmDenver Intl
$529
Find similar

Air Canada flights from Colorado to Portugal

Our best Air Canada deals on Colorado to Portugal flight tickets
Air Canada
Feb 3
DEN11:15 amDenver Intl
15h 05m
1 stop
LIS9:20 amLisbon Humberto Delgado
Feb 11
LIS5:00 amLisbon Humberto Delgado
18h 40m
2 stops
DEN4:40 pmDenver Intl
$559
Find similar
Air Canada
Feb 4
DEN1:25 pmDenver Intl
12h 55m
1 stop
LIS9:20 amLisbon Humberto Delgado
Feb 12
LIS5:00 amLisbon Humberto Delgado
18h 40m
2 stops
DEN4:40 pmDenver Intl
$562
Find similar
Air Canada
Mar 22
DEN5:30 pmDenver Intl
33h 50m
1 stop
LIS9:20 amLisbon Humberto Delgado
Apr 1
LIS7:25 amLisbon Humberto Delgado
33h 50m
2 stops
DEN10:15 amDenver Intl
$563
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Portugal 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 diciembre 30, 2025.
Use the filters below to find and compare flights from Colorado to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

vie. 1/23

7:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

mar. 1/27

5:00 am-6:18 pm

2 stops20h 18m

$499

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

jue. 2/26

6:28 pm-10:15 am

2 stops32h 47m

Lisbon Humberto Delgado

lun. 3/2

11:20 am-6:39 pm

2 stops38h 19m

$500

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

mié. 2/11

1:25 pm-11:30 pm

2 stops27h 05m

Lisbon Humberto Delgado

mié. 2/18

5:00 am-2:30 pm

2 stops40h 30m

$502

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mar. 2/10

1:30 pm-2:35 pm

2 stops18h 05m

Lisbon Humberto Delgado

mar. 2/17

5:00 am-4:00 pm

1 stop18h 00m

$508

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mar. 2/10

4:20 pm-7:55 pm

1 stop20h 35m

Lisbon Humberto Delgado

mar. 2/17

5:00 am-4:00 pm

1 stop18h 00m

$514

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mar. 4/21

10:38 am-11:45 am

2 stops18h 07m

Porto

mié. 4/29

12:25 pm-11:35 pm

2 stops18h 10m

$521

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mar. 2/10

11:20 am-2:35 pm

2 stops20h 15m

Lisbon Humberto Delgado

mar. 2/17

5:00 am-4:00 pm

1 stop18h 00m

$522

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mar. 4/21

6:40 pm-7:30 pm

1 stop17h 50m

Porto

mié. 4/29

8:20 am-11:35 pm

2 stops22h 15m

$528

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mar. 1/20

4:20 pm-1:20 pm

1 stop14h 00m

Lisbon Humberto Delgado

jue. 1/29

6:10 am-2:35 pm

1 stop15h 25m

$529

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mar. 4/21

6:40 pm-9:05 am

1 stop31h 25m

Porto

mié. 4/29

8:20 pm-4:30 pm

1 stop27h 10m

$542

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Portugal from

How to get the cheapest flight ticket from Colorado to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Colorado is in November. Flight prices, which tend to average around $662, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Colorado during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $707.

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

You are more likely to see cheaper flights to Portugal from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $935 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Colorado for as low as $823 on momondo.

Can stopping save me money on Colorado to Portugal flights?

You could potentially save up to 31% on your flight if you consider stops on a Colorado to Portugal flight.

Cheap Colorado to Portugal flight deals and tips

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

Fastest flight time

12h 35m

Direct flights

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

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

    Prices for flights from Colorado to Portugal are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Colorado to Portugal

Compare and see reviews for airlines that fly from Colorado to Portugal with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $458Free CancellationRating
7.1
593 reviews
Search Icelandair flights
United AirlinesPriceFrom $514Free CancellationRating
7.4
9,124 reviews
Search United Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,625 reviews
Search British Airways flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,663 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $574Free CancellationRating
7.3
4,133 reviews
Search Turkish Airlines flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,016 reviews
Search Delta flights
KLMPriceFrom $575Free CancellationRating
7.7
1,435 reviews
Search KLM flights
Virgin AtlanticPriceFrom $603Free CancellationRating
7.5
677 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $625Free CancellationRating
7.1
10,566 reviews
Search Air Canada flights
Air FrancePriceFrom $643Free CancellationRating
7.4
1,516 reviews
Search Air France flights

Why use momondo?

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

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 Portugal from Colorado.

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

Flights from Colorado to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Colorado and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Colorado and alert you when they change.

An easier way to manage your Portugal 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
jue. 1/29
jue. 2/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $385
Flights to Portofrom $346
Flights to Funchalfrom $424
Flights to Farofrom $422
Flights to Ponta Delgadafrom $429
Flights to Lajesfrom $473
Flights to Hortafrom $578
Flights to Pico Islandfrom $560
Flights to Porto Santofrom $549
Flights to Velasfrom $564