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$391+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OPO
jun. 21 — jun. 281
sáb. 6/21
sáb. 6/28
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 junio 16, 2025.

Round-trip from

$608
(Iberia)

One-way from

$391
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,482
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. 23% potential increase in price ($291 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 16, 2025.

This Iberia deal was found by Cheapflights users on 6/15. 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.
mar. 10/2112:55 pmDEN - OPO
2 stops24h 00mIberia
mar. 11/48:20 amOPO - DEN
2 stops18h 38mIberia
Deal found 6/15$608
This Lufthansa deal was found by Cheapflights users on 6/15. 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.
mar. 10/215:59 pmDEN - OPO
1 stop14h 46mLufthansa
mar. 11/412:30 pmOPO - DEN
2 stops17h 45mLufthansa
Deal found 6/15$611
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/87:55 pmDEN - OPO
1 stop19h 40mMultiple Airlines
mié. 10/1510:50 amOPO - DEN
1 stop14h 09mMultiple Airlines
Deal found 6/14$648
This United Airlines deal was found by Cheapflights users on 6/14. 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.
vie. 11/1412:45 pmDEN - OPO
1 stop13h 45mUnited Airlines
sáb. 11/226:00 amOPO - DEN
1 stop17h 00mUnited Airlines
Deal found 6/14$679
This Air Canada deal was found by Cheapflights users on 6/14. 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.
lun. 10/1311:35 amDEN - OPO
2 stops21h 10mAir Canada
mar. 10/216:00 amOPO - DEN
2 stops33h 42mAir Canada
Deal found 6/14$681
This Austrian Airlines deal was found by Cheapflights users on 6/16. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/3011:25 amDEN - OPO
2 stops39h 10mAustrian Airlines
lun. 10/1310:25 amOPO - DEN
2 stops37h 10mAustrian Airlines
Deal found 6/16$790
This FlightHub deal was found by Cheapflights users on 6/14. 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.
jue. 8/217:50 pmDEN - OPO
1 stop37h 00mTurkish Airlines
mié. 10/110:50 amOPO - DEN
1 stop38h 05mTurkish Airlines
Deal found 6/14$800
This Delta deal was found by Cheapflights users on 6/14. 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.
mié. 10/811:59 pmDEN - OPO
2 stops25h 26mDelta
lun. 10/134:20 pmOPO - DEN
2 stops25h 32mDelta
Deal found 6/14$906
This SWISS deal was found by Cheapflights users on 6/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/275:50 pmDEN - OPO
1 stop31h 05mSWISS
mar. 9/212:15 pmOPO - DEN
1 stop35h 05mSWISS
Deal found 6/14$952

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 junio 16, 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

mar. 10/21

12:55 pm-7:55 pm

2 stops24h 00m

Porto

mar. 11/4

8:20 am-7:58 pm

2 stops18h 38m

$608

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mar. 10/21

5:59 pm-3:45 pm

1 stop14h 46m

Porto

mar. 11/4

12:30 pm-11:15 pm

2 stops17h 45m

$611

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mié. 10/8

7:55 pm-10:35 pm

1 stop19h 40m

Porto

mié. 10/15

10:50 am-5:59 pm

1 stop14h 09m

$648

DenverPorto

DEN - OPO

DENOPO

Denver Intl

vie. 11/14

12:45 pm-9:30 am

1 stop13h 45m

Porto

sáb. 11/22

6:00 am-4:00 pm

1 stop17h 00m

$679

DenverPorto

DEN - OPO

DENOPO

Denver Intl

lun. 10/13

11:35 am-3:45 pm

2 stops21h 10m

Porto

mar. 10/21

6:00 am-8:42 am

2 stops33h 42m

$681

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mar. 9/30

11:25 am-9:35 am

2 stops39h 10m

Porto

lun. 10/13

10:25 am-4:35 pm

2 stops37h 10m

$790

DenverPorto

DEN - OPO

DENOPO

Denver Intl

jue. 8/21

7:50 pm-3:50 pm

1 stop37h 00m

Porto

mié. 10/1

10:50 am-5:55 pm

1 stop38h 05m

$800

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mié. 10/8

11:59 pm-8:25 am

2 stops25h 26m

Porto

lun. 10/13

4:20 pm-10:52 am

2 stops25h 32m

$906

DenverPorto

DEN - OPO

DENOPO

Denver Intl

mié. 8/27

5:50 pm-7:55 am

1 stop31h 05m

Porto

mar. 9/2

12:15 pm-4:20 pm

1 stop35h 05m

$952

DenverPorto

DEN - OPO

DENOPO

Denver Intl

jue. 10/9

6:35 pm-8:20 pm

1 stop18h 45m

Porto

mar. 10/14

8:40 pm-4:25 pm

1 stop26h 45m

$1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 15 results
1
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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 June 13, 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 $1,040). 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 junio 16, 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.

What is the cheapest day to fly from Aurora to Porto?

Use this chart to determine the cheapest time to fly round-trip from Aurora to Porto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Aurora to Porto flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 junio 16, 2025.
Get a feel of what it's like to fly with Delta, Austrian Airlines and Air France from Aurora to Porto by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,466 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,628 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,801 reviews
Delta
8.0
Very good
7,963 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 5 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 $483 on Lufthansa. Other airlines that offer cheap prices include United Airlines from $589 and TAP AIR PORTUGAL from $3,705 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 $1,040). 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 Aurora?

Book flights to Aurora if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Top 5 airlines flying from Aurora to Porto

Discover the top 5 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 junio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$516Average$854FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$574Average$679FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$662Average$906FlexibilityNo cancel feeOn-time76%
DeltaCheapest$692Average$1,194FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$750Average$1,094FlexibilityNo cancel feeOn-time69%

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