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$280+ Cheap flights from Aurora, CO to Porto (OPO)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OPO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Porto are usually found in January or February, booked 85 days in advance, depart on a Monday or Thursday and return on a Wednesday

Cheap flight deals from Aurora to Porto

Keep the following information in mind while searching for Aurora to Porto flight deals. Data was last updated July 31, 2025.

Round-trip from

$579
(Mytrip)

One-way from

$280
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,191
From Aurora to Porto
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One-way flight from Aurora to Porto
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Highest demand for flights based on searches. 24% potential increase in price ($304 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Aurora to Porto

Cheapest flights from Aurora to Porto
Explore the most affordable flight options available from Aurora to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:40 amDEN - OPO
2 stops25h 05mMultiple Airlines
Wed 10/1510:00 pmOPO - DEN
2 stops24h 35mMultiple Airlines
Deal found 7/29$579
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 11/51:45 pmDEN - OPO
1 stop12h 45mUnited Airlines
Wed 11/126:00 amOPO - DEN
1 stop17h 00mUnited Airlines
Deal found 7/29$580
This Iberia deal was found by Cheapflights users on 7/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/912:21 pmDEN - OPO
2 stops16h 24mIberia
Tue 11/188:20 amOPO - DEN
2 stops20h 59mIberia
Deal found 7/31$608
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:59 pmDEN - OPO
1 stop14h 46mLufthansa
Mon 11/312:30 pmOPO - DEN
1 stop34h 30mLufthansa
Deal found 7/29$621
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:43 pmDEN - OPO
2 stops45h 02mScandinavian Airlines
Mon 11/175:35 pmOPO - DEN
2 stops36h 11mScandinavian Airlines
Deal found 7/31$644
This Ovago deal was found by Cheapflights users on 7/29. 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.
Tue 12/212:10 pmDEN - OPO
2 stops20h 50mBritish Airways
Sun 12/148:20 amOPO - DEN
2 stops18h 35mBritish Airways
Deal found 7/29$653
This KLM deal was found by Cheapflights users on 7/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:50 amDEN - OPO
2 stops16h 40mKLM
Mon 11/174:10 pmOPO - DEN
2 stops29h 59mKLM
Deal found 7/31$740

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aurora 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, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Aurora to Porto that are best for you.

Fly from

Aurora

Fly to

Porto

Route

Depart

Return

Price

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/30

9:40 am-5:45 pm

2 stops25h 05m

Porto

Wed 10/15

10:00 pm-3:35 pm

2 stops24h 35m

$579

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 10/28

1:25 pm-9:30 am

2 stops14h 05m

Porto

Fri 11/7

12:35 pm-8:59 am

2 stops27h 24m

$597

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 10/14

5:59 pm-3:45 pm

1 stop14h 46m

Porto

Mon 11/3

12:30 pm-4:00 pm

1 stop34h 30m

$621

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Fri 10/24

9:20 am-7:55 pm

2 stops27h 35m

Porto

Sat 11/1

8:40 pm-11:04 pm

2 stops32h 24m

$718

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Fri 10/24

6:35 pm-8:40 am

2 stops31h 05m

Porto

Sun 11/2

8:40 pm-11:03 pm

2 stops33h 23m

$736

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Thu 9/25

7:50 pm-3:50 pm

1 stop37h 00m

Porto

Thu 10/16

4:50 pm-5:55 pm

1 stop32h 05m

$762

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Thu 9/25

7:05 pm-9:35 am

2 stops55h 30m

Porto

Thu 10/16

6:00 am-8:42 am

2 stops33h 42m

$795

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 10/6

12:04 am-8:50 am

2 stops49h 46m

$280

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 10/14

5:59 pm-10:50 pm

1 stop21h 51m

$489

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Sat 9/20

5:55 pm-6:55 am

2 stops30h 00m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 13 results
1
2

Best time to book a flight from Aurora to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Aurora 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 Aurora to Porto

How far ahead should I book a flight from Aurora to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Aurora to Porto. Price data was last updated on July 25, 2025.

The price you pay for your flight from Aurora to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Aurora to Porto?

Currently, January is the cheapest month in which you can book a flight from Aurora to Porto (average of $523). Flying from Aurora to Porto in June is currently the most expensive (average of $1,033). 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.

What is the cheapest time of day to fly from 9UR to OPO?

Find hourly flight availability from Aurora to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Aurora to Porto as you normally would.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Aurora to Porto, such as United Airlines, Turkish Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,900 reviews
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,933 reviews
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,851 reviews
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,933 reviews
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Europa
7.0
Good
543 reviews
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Aurora to Porto. 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 into for flights to Porto from Aurora?

    Porto (OPO) is the airport you will fly into if you book a flight from Aurora to Porto. You should not have trouble finding flights to Porto from Aurora; the airport handles an average of 0 inbound flights from Aurora per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Porto airport from Aurora. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • What are the cheapest airlines to fly from Aurora to Porto one-way?

    One-way options have recently been found by users for as low as $489 on Lufthansa. Other airlines that offer cheap prices include United Airlines from $589 and Air Europa from $630 one-way.

  • Can I find deals for flights from Aurora to Porto that include hotel bookings?

    Yes. In addition to deals on Aurora to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Aurora to Porto?

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

  • Can I find deals for business class flights from Aurora to Porto?

    Yes. Cheapflights offers flight deals from Aurora to Porto 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 Aurora to Porto?

    Currently, January is the cheapest month in which you can book a flight from Aurora to Porto (average of $523). Flying from Aurora to Porto in June is currently the most expensive (average of $1,033). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Coimbra

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Top 4 airlines flying from Aurora to Porto

Discover the top 4 airlines that operate flights from Aurora to Porto. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$1,265FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$574Average$679FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$662Average$933FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$742Average$1,058FlexibilityNo cancel feeOn-time69%

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