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$371+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OPO
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Porto are usually found in January or November, booked 12 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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$788
(Air Canada)

One-way from

$371
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$995
Provider with most accurate pricing for Denver Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Porto flights.
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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. 22% potential increase in price ($289 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This Air Canada deal was found by Cheapflights users on 4/23. 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.
Tue 9/165:40 pmDEN - OPO
1 stop32h 40mAir Canada
Tue 9/3012:50 pmOPO - DEN
1 stop28h 28mAir Canada
Deal found 4/23$788
This Booking.com deal was found by Cheapflights users on 4/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:40 amDEN - OPO
1 stop16h 40mMultiple Airlines
Mon 10/137:20 pmOPO - DEN
2 stops31h 56mMultiple Airlines
Deal found 4/23$798
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/74:15 pmDEN - OPO
1 stop24h 05mLufthansa
Wed 5/146:15 amOPO - DEN
1 stop14h 30mLufthansa
Deal found 4/23$815
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 5/711:35 amDEN - OPO
2 stops20h 55mDelta
Wed 5/146:20 amOPO - DEN
2 stops22h 27mDelta
Deal found 4/23$829
This KAYAK deal was found by Cheapflights users on 4/23. 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.
Wed 9/246:35 pmDEN - OPO
1 stop32h 50mBritish Airways
Mon 10/139:10 pmOPO - DEN
1 stop26h 15mBritish Airways
Deal found 4/23$854
This Orbitz deal was found by Cheapflights users on 4/23. 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.
Fri 5/165:50 pmDEN - OPO
1 stop17h 40mSWISS
Sat 5/248:40 amOPO - DEN
2 stops20h 13mSWISS
Deal found 4/23$942
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 7/65:40 pmDEN - OPO
1 stop32h 55mUnited Airlines
Tue 8/59:00 amOPO - DEN
1 stop13h 53mUnited Airlines
Deal found 4/23$983
This KLM deal was found by Cheapflights users on 4/23. 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.
Mon 7/73:20 pmDEN - OPO
2 stops17h 15mKLM
Thu 7/176:30 amOPO - DEN
2 stops17h 57mKLM
Deal found 4/23$1,020
This Turkish Airlines deal was found by Cheapflights users on 4/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:50 pmDEN - OPO
1 stop37h 00mTurkish Airlines
Mon 9/224:50 pmOPO - DEN
2 stops36h 09mTurkish Airlines
Deal found 4/23$1,039
This Ovago deal was found by Cheapflights users on 4/23. 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 4/266:05 amDEN - OPO
2 stops41h 45mAir Europa
Sun 5/47:35 amOPO - DEN
2 stops43h 18mAir Europa
Deal found 4/23$1,417
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:35 pmDEN - OPO
2 stops30h 00mIberia
Tue 9/308:15 amOPO - DEN
2 stops22h 20mIberia
Deal found 4/23$4,982
This AranGrant deal was found by Cheapflights users on 4/23. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/52:30 pmDEN - OPO
1 stop13h 05mTAP AIR PORTUGAL
Mon 10/136:05 pmOPO - DEN
1 stop35h 08mTAP AIR PORTUGAL
Deal found 4/23$5,480

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 April 24, 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 9/16

5:40 pm-9:20 am

1 stop32h 40m

Porto

Tue 9/30

12:50 pm-10:18 am

1 stop28h 28m

$788

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 9/24

9:40 am-9:20 am

1 stop16h 40m

Porto

Mon 10/13

7:20 pm-8:16 pm

2 stops31h 56m

$798

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 5/7

4:15 pm-11:20 pm

1 stop24h 05m

Porto

Wed 5/14

6:15 am-1:45 pm

1 stop14h 30m

$815

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 5/7

11:35 am-3:30 pm

2 stops20h 55m

Porto

Wed 5/14

6:20 am-9:47 pm

2 stops22h 27m

$829

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Wed 9/24

6:35 pm-10:25 am

1 stop32h 50m

Porto

Mon 10/13

9:10 pm-4:25 pm

1 stop26h 15m

$854

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Fri 5/16

5:50 pm-6:30 pm

1 stop17h 40m

Porto

Sat 5/24

8:40 am-9:53 pm

2 stops20h 13m

$942

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Sun 7/6

5:40 pm-9:35 am

1 stop32h 55m

Porto

Tue 8/5

9:00 am-3:53 pm

1 stop13h 53m

$983

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Mon 7/7

3:20 pm-3:35 pm

2 stops17h 15m

Porto

Thu 7/17

6:30 am-5:27 pm

2 stops17h 57m

$1,020

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Thu 9/4

7:50 pm-3:50 pm

1 stop37h 00m

Porto

Mon 9/22

4:50 pm-9:59 pm

2 stops36h 09m

$1,039

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/23

6:35 pm-7:35 am

2 stops30h 00m

Porto

Tue 9/30

8:15 am-11:35 pm

2 stops22h 20m

$4,982

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 19 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 April 18, 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 12 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 $1,081). 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 April 24, 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 April 24, 2025.
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $608 on United Airlines. Other airlines that offer cheap prices include KLM from $622 and Air Canada from $663 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 $1,081). 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$516Average$975FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$574Average$659FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$662Average$911FlexibilityNo cancel feeOn-time76%
DeltaCheapest$692Average$1,153FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$742Average$1,175FlexibilityNo cancel feeOn-time69%

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