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$451+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OPO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Porto are usually found in February or January, booked 84 days in advance, depart on a Monday or Thursday and return on a Wednesday

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 October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:20 pmDEN - OPO
1 stop13h 30mLufthansa
Thu 12/116:00 amOPO - DEN
1 stop17h 00mLufthansa
Deal found 10/30$564
This Lufthansa deal was found by Cheapflights users on 10/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmDEN - OPO
1 stop13h 30mLufthansa
Tue 12/96:00 amOPO - DEN
1 stop17h 00mLufthansa
Deal found 10/28$574
This Justfly.com deal was found by Cheapflights users on 10/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:15 amDEN - OPO
2 stops17h 50mMultiple Airlines
Thu 12/116:00 amOPO - DEN
1 stop17h 00mMultiple Airlines
Deal found 10/29$577
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:30 pmDEN - OPO
2 stops58h 45mMultiple Airlines
Mon 12/151:45 pmOPO - DEN
1 stop31h 50mMultiple Airlines
Deal found 10/28$579
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmDEN - OPO
1 stop13h 30mLufthansa
Mon 12/151:45 pmOPO - DEN
1 stop31h 50mLufthansa
Deal found 10/28$580
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:48 amDEN - OPO
2 stops20h 42mDelta
Mon 12/1511:15 amOPO - DEN
2 stops38h 46mDelta
Deal found 10/28$582
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmDEN - OPO
1 stop13h 30mLufthansa
Thu 12/116:00 amOPO - DEN
2 stops25h 15mLufthansa
Deal found 10/28$585
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmDEN - OPO
1 stop13h 30mLufthansa
Mon 12/81:45 pmOPO - DEN
1 stop31h 50mLufthansa
Deal found 10/28$586
This Orbitz deal was found by Cheapflights users on 10/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:15 amDEN - OPO
2 stops17h 50mMultiple Airlines
Mon 12/81:45 pmOPO - DEN
1 stop31h 50mMultiple Airlines
Deal found 10/28$588

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$564
(Cheapflightsfares)

One-way from

$451
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$839
Provider with most accurate pricing for Denver Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Porto flights.
Search Deals
From Aurora to Porto
Search Deals
One-way flight from Aurora to Porto
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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 12/2

4:20 pm-12:50 pm

1 stop13h 30m

Porto

Thu 12/11

6:00 am-4:00 pm

1 stop17h 00m

$569

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 12/1

4:20 pm-12:50 pm

1 stop13h 30m

Porto

Tue 12/9

6:00 am-4:00 pm

1 stop17h 00m

$574

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 12/2

4:20 pm-12:50 pm

1 stop13h 30m

Porto

Tue 12/9

6:00 am-4:00 pm

1 stop17h 00m

$574

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 12/3

4:20 pm-1:15 pm

1 stop13h 55m

Porto

Tue 12/9

6:00 am-4:00 pm

1 stop17h 00m

$574

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 12/2

11:15 am-12:05 pm

2 stops17h 50m

Porto

Thu 12/11

6:00 am-4:00 pm

1 stop17h 00m

$577

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 12/1

5:30 pm-11:15 am

2 stops58h 45m

Porto

Mon 12/15

1:45 pm-2:35 pm

1 stop31h 50m

$579

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 12/1

6:48 am-10:30 am

2 stops20h 42m

Porto

Mon 12/15

11:15 am-7:01 pm

2 stops38h 46m

$582

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 12/1

10:18 am-10:30 am

2 stops17h 12m

Porto

Tue 12/9

9:55 am-11:45 pm

2 stops20h 50m

$591

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 12/2

6:46 am-10:30 am

2 stops20h 44m

Porto

Wed 12/10

6:00 am-8:02 pm

2 stops21h 02m

$591

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 3/25

8:45 am-7:45 am

3 stops41h 00m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 14 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 October 24, 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, March is the cheapest month in which you can book a flight from Aurora to Porto (average of $574). Flying from Aurora to Porto in June is currently the most expensive (average of $1,116). 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 October 30, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 30% on flights from Aurora to Porto by exploring options for tickets in the evening.

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 October 30, 2025.
Read through reviews of airlines operating flights from Aurora to Porto, such as United Airlines, Turkish Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,996 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Turkish Airlines
7.3
Good
4,033 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,542 reviews
United Airlines
7.4
Good
8,996 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 3 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.

  • How long is the flight from Aurora to Porto?

    Airlines like Lufthansa fly from Aurora to Porto in about 13h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Aurora to Porto is about 4747 mi.

  • 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, March is the cheapest month in which you can book a flight from Aurora to Porto (average of $574). Flying from Aurora to Porto in June is currently the most expensive (average of $1,116). 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
Arcos de Valdevez
Coimbra

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Top 3 airlines flying from Aurora to Porto

Discover the top 3 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$574Average$684FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$641Average$871FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$721Average$1,029FlexibilityNo cancel feeOn-time69%

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