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Portugal

$295+ Cheap flights from Aurora, CO 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LIS
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Cheap flight deals from Aurora to Portugal

Keep the following information in mind while searching for Aurora to Portugal flight deals. Data was last updated April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$762
(Mytrip)

One-way from

$295
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$958
Provider with most accurate pricing for Denver Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Lisbon Humberto Delgado flights.
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From Aurora to Portugal
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One-way flight from Aurora to Portugal
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Highest demand for flights based on searches. 19% potential increase in price ($246 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% 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 Portugal

Cheapest flights from Aurora to Portugal
Explore the most affordable flight options available from Aurora to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This Air Canada deal was found by Cheapflights users on 4/28. 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.
Tue 10/149:40 amDEN - LIS
1 stop16h 40mAir Canada
Tue 10/2111:25 amLIS - DEN
2 stops15h 29mAir Canada
Deal found 4/28$721
This Iberia deal was found by Cheapflights users on 4/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:25 amDEN - LIS
2 stops15h 15mMultiple Airlines
Fri 11/287:05 amLIS - DEN
1 stop15h 20mMultiple Airlines
Deal found 4/27$724
This Turkish Airlines deal was found by Cheapflights users on 4/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:50 pmDEN - LIS
1 stop31h 05mTurkish Airlines
Sat 10/1810:55 amLIS - DEN
1 stop38h 00mTurkish Airlines
Deal found 4/27$725
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:50 pmDEN - LIS
1 stop27h 25mUnited Airlines
Sun 11/2311:00 amLIS - DEN
1 stop30h 28mUnited Airlines
Deal found 4/28$730
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 10/2412:20 pmDEN - LIS
1 stop12h 40mDelta
Sat 11/15:00 amLIS - DEN
2 stops23h 46mDelta
Deal found 4/28$749
This Lufthansa deal was found by Cheapflights users on 4/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:05 pmDEN - LIS
1 stop22h 45mLufthansa
Mon 10/204:20 pmLIS - DEN
1 stop30h 15mLufthansa
Deal found 4/27$761
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Tue 9/237:49 pmDEN - OPO
2 stops30h 31mAir Canada
Tue 9/3012:50 pmOPO - DEN
2 stops26h 56mAir Canada
Deal found 4/28$787
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 pmDEN - LIS
1 stop14h 25mBritish Airways
Mon 1/56:35 pmLIS - DEN
1 stop27h 50mBritish Airways
Deal found 4/28$796
This SWISS deal was found by Cheapflights users on 4/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:15 amDEN - OPO
2 stops37h 30mSWISS
Mon 10/137:20 pmOPO - DEN
2 stops31h 56mSWISS
Deal found 4/28$825
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:59 pmDEN - OPO
1 stop14h 46mMultiple Airlines
Mon 10/137:20 pmOPO - DEN
2 stops28h 15mMultiple Airlines
Deal found 4/28$830
This Lufthansa deal was found by Cheapflights users on 4/28. 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.
Fri 10/245:59 pmDEN - OPO
1 stop21h 46mLufthansa
Sun 11/21:45 pmOPO - DEN
1 stop31h 55mLufthansa
Deal found 4/28$841
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:59 pmDEN - LIS
2 stops37h 06mScandinavian Airlines
Fri 9/266:45 amLIS - DEN
2 stops23h 01mScandinavian Airlines
Deal found 4/28$852

Cheapflights Fare Finder

Customize your flight search to find flights from Aurora 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 April 28, 2025.
Use the filters below to find and compare flights from Aurora to Portugal that are best for you.

Fly from

Aurora

Fly to

Portugal

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 6/8

7:40 pm-6:30 am

3 stops27h 50m

Lisbon Humberto Delgado

Fri 6/13

11:35 am-11:27 am

2 stops30h 52m

$762

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/23

5:40 pm-9:20 am

1 stop32h 40m

Porto

Tue 9/30

12:50 pm-10:18 am

1 stop28h 28m

$787

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/30

11:15 am-7:45 am

2 stops37h 30m

Porto

Mon 10/13

7:20 pm-8:16 pm

2 stops31h 56m

$825

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Tue 9/30

5:59 pm-3:45 pm

1 stop14h 46m

Porto

Mon 10/13

7:20 pm-4:35 pm

2 stops28h 15m

$830

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 5/14

7:06 am-8:50 am

2 stops18h 44m

Lisbon Humberto Delgado

Wed 5/21

10:00 am-8:39 pm

1 stop17h 39m

$832

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Fri 10/24

5:59 pm-10:45 pm

1 stop21h 46m

Porto

Sun 11/2

1:45 pm-2:40 pm

1 stop31h 55m

$841

DenverPorto

DEN - OPO

DENOPO

Denver Intl

Fri 10/24

7:45 am-9:45 am

2 stops19h 00m

Porto

Sun 11/2

12:30 pm-3:55 pm

1 stop34h 25m

$861

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 5/10

4:15 pm-9:50 pm

1 stop22h 35m

Lisbon Humberto Delgado

Mon 5/19

2:25 pm-1:45 pm

1 stop30h 20m

$892

DenverFaro

DEN - FAO

DENFAO

Denver Intl

Sat 10/18

6:51 pm-10:20 am

2 stops56h 29m

Faro

Sat 10/25

8:00 pm-11:38 pm

2 stops34h 38m

$915

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 5/28

4:40 pm-9:20 pm

1 stop21h 40m

Lisbon Humberto Delgado

Sun 6/1

10:25 pm-12:30 pm

1 stop21h 05m

$934

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 53 results
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Best time to book a flight from Aurora to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, January is the cheapest month in which you can book a flight from Aurora to Portugal (average of $612). Flying from Aurora to Portugal in June is currently the most expensive (average of $1,178). 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 PT?

Find hourly flight availability from Aurora to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2025.

When flying from Aurora to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 April 28, 2025.
To help decide which airline to fly from Aurora to Portugal, see what other customers have to say about Delta, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,444 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    One-way options have recently been found by users for as low as $526 on Aer Lingus. Other airlines that offer cheap prices include Scandinavian Airlines from $591 and British Airways from $597 one-way.

  • What are the most popular routes from Aurora to Portugal?

    The most popular route from Aurora to Portugal is Denver Intl - Lisbon Humberto Delgado. You may also consider Denver Intl - Porto or Denver Intl - Faro.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Aurora to Portugal (average of $612). Flying from Aurora to Portugal in June is currently the most expensive (average of $1,178). 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

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Alternative routes for Aurora to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Aurora to Portugal

Discover the top 10 airlines that operate flights from Aurora 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$464Average$651FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$491Average$1,177FlexibilityNo cancel feeOn-time72%
KLMCheapest$516Average$891FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$555Average$676FlexibilityNo cancel feeOn-time77%
DeltaCheapest$558Average$1,049FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$569Average$922FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$570Average$858FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$627Average$977FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$641Average$1,057FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$647Average$1,125FlexibilityNo cancel feeOn-time69%

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