HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$453+ Cheap flights from Colorado Springs (COS) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
COS — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado Springs to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado Springs to Portugal

Cheapest flights from Colorado Springs to Portugal
Explore the most affordable flight options available from Colorado Springs to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/65:50 am
COS
-
LIS
2 stops19h 20m
United Airlines
Tue 2/105:00 am
LIS
-
COS
2 stops37h 02m
United Airlines
Deal found 1/26$812
This British Airways deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/63:17 pm
COS
-
LIS
2 stops24h 08m
British Airways
Tue 2/104:00 pm
LIS
-
COS
2 stops48h 56m
British Airways
Deal found 1/27$932
This Ovago deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:08 pm
COS
-
LIS
2 stops32h 32m
Iberia
Sun 3/298:45 pm
LIS
-
COS
2 stops30h 52m
Iberia
Deal found 1/28$1,031
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:43 am
COS
-
LIS
2 stops40h 32m
United Airlines
Fri 3/2011:55 am
LIS
-
COS
2 stops29h 37m
United Airlines
Deal found 1/27$1,221
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/143:25 pm
COS
-
LIS
2 stops35h 55m
Multiple Airlines
Sun 3/2911:25 am
LIS
-
COS
3 stops28h 24m
Multiple Airlines
Deal found 1/28$1,953
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/139:25 am
COS
-
LIS
3 stops17h 55m
Air Canada
Fri 3/2010:55 am
LIS
-
COS
3 stops19h 01m
Air Canada
Deal found 1/27$2,708

Find flight deals from Colorado Springs to Portugal

Keep the following information in mind while searching for Colorado Springs to Portugal flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,031
(Ovago)

One-way from

$453
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$710
Provider with most accurate pricing for Denver Intl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Lisbon Humberto Delgado flights.
Search Deals
From Colorado Springs to Portugal
Search Deals
One-way flight from Colorado Springs to Portugal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Colorado Springs to Portugal that are best for you.

Fly from

Colorado Springs

Fly to

Portugal

Route

Depart

Return

Price

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Sat 3/14

5:08 pm-7:40 am

2 stops32h 32m

Lisbon Humberto Delgado

Sun 3/29

8:45 pm-8:37 pm

2 stops30h 52m

$1,031

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Fri 3/13

11:43 am-10:15 am

2 stops40h 32m

Lisbon Humberto Delgado

Fri 3/20

11:55 am-11:32 am

2 stops29h 37m

$1,221

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Sat 3/14

3:25 pm-9:20 am

2 stops35h 55m

Lisbon Humberto Delgado

Sun 3/29

11:25 am-8:49 am

3 stops28h 24m

$1,953

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Fri 3/13

9:25 am-9:20 am

3 stops17h 55m

Lisbon Humberto Delgado

Fri 3/20

10:55 am-11:56 pm

3 stops19h 01m

$2,708

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Fri 3/13

9:25 am-9:20 am

2 stops17h 55m

Lisbon Humberto Delgado

Fri 3/20

10:55 am-8:49 am

3 stops27h 54m

$2,708

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Sun 2/22

8:00 am-10:15 am

2 stops19h 15m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Colorado Springs to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Colorado Springs with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado Springs to Portugal

What is the cheapest month to book a flight from Colorado Springs to Portugal?

Currently, November is the cheapest month in which you can book a flight from Colorado Springs to Portugal (average of $503). Flying from Colorado Springs to Portugal in June is currently the most expensive (average of $1,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with United Airlines from Colorado Springs to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Colorado Springs to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Colorado Springs to Portugal?

    Colorado Springs (COS), located 6.7 mi from the city center, is the airport you fly out of when you book flights from Colorado Springs to Portugal.

  • How long is the flight from Colorado Springs to Portugal?

    Airlines like Iberia, United Airlines, and Air Canada fly from Colorado Springs to Portugal in about 17h 55m. The time it takes to get you to your destination can typically vary by up to 22h 37m. There are 4869 mi between Colorado Springs and Portugal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Colorado Springs to Portugal that include hotel bookings?

    Yes. In addition to deals on Colorado Springs to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado Springs to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado Springs to Portugal.

  • Can I find deals for business class flights from Colorado Springs to Portugal?

    Yes. Cheapflights offers flight deals from Colorado Springs to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado Springs to Portugal?

    Currently, November is the cheapest month in which you can book a flight from Colorado Springs to Portugal (average of $503). Flying from Colorado Springs to Portugal in June is currently the most expensive (average of $1,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado Springs to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Heathrow flights
Denver to Leonardo da Vinci/Fiumicino flights
Denver to Dublin flights
Denver to Gatwick flights
Denver to Charles de Gaulle flights
Denver to Frankfurt flights
Denver to London City flights
Denver to Orly flights
Denver to Barcelona-El Prat flights
Denver to Stansted flights
Denver to Istanbul flights
Denver to Athens flights
Denver to Munich flights
Denver to Lisbon flights
Denver to Malpensa flights
Denver to Madrid flights
Denver to Amsterdam flights
Denver to Linate flights
Denver to Vicenza flights
Denver to Sabiha Gokcen flights
Denver to Keflavik Intl flights
Denver to Zurich flights
Denver to Florence flights
Denver to Edinburgh flights
Denver to Geneva flights
Denver to Oslo Gardermoen flights
Denver to Luton flights
Denver to Copenhagen flights
Denver to Naples flights
Denver to Budapest flights
Denver to Glasgow Intl flights
Denver to Prague flights
Denver to Arlanda flights
Denver to Porto flights
Denver to Berlin flights
Denver to Bruxelles-National flights
Denver to Frederic Chopin flights
Denver to Basel flights
Denver to Dubrovnik flights
Denver to Bologna flights
Denver to Split flights
Denver to Faro flights
Denver to Nice flights
Denver to Shannon flights
Denver to Beauvais-Tille flights
Denver to Krakow flights
Denver to Pisa flights
Denver to Málaga flights

Top airline flying from Colorado Springs to Portugal

Discover the top airline that operate flights from Colorado Springs to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$596Average$1,110FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.