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$361+ Cheap flights from O'Hare Intl (ORD) 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OPO
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Porto are usually found in February or January, booked 12 days in advance, depart on a Friday or Sunday and return on a Thursday

Cheap flight deals from O'Hare Intl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$430
(Ticket)

Popular in

June

Cheapest in

February

Average price

$720
Provider with most accurate pricing for Chicago O'Hare Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Porto flights.
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From Chicago O'Hare Intl to Porto
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from O'Hare Intl to Porto

Cheapest flights from O'Hare Intl to Porto
Explore the most affordable flight options available from O'Hare Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
sáb. 12/289:50 amORD - OPO
2 stops19h 50mUnited Airlines
sáb. 1/1112:30 pmOPO - ORD
1 stop28h 35mUnited Airlines
Deal found 12/17$880
This Mytrip deal was found by Cheapflights users on 12/17. 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.
sáb. 12/288:14 pmORD - OPO
3 stops33h 36mMultiple Airlines
sáb. 1/117:05 amOPO - ORD
2 stops18h 32mMultiple Airlines
Deal found 12/17$960
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/235:55 pmORD - OPO
2 stops22h 30mLufthansa
lun. 12/306:00 amOPO - ORD
1 stop15h 15mLufthansa
Deal found 12/16$1,126
This KLM deal was found by Cheapflights users on 12/17. 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.
sáb. 12/284:25 pmORD - OPO
1 stop12h 05mKLM
sáb. 1/116:00 amOPO - ORD
1 stop14h 30mKLM
Deal found 12/17$1,177
This SWISS deal was found by Cheapflights users on 12/18. 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.
mar. 12/317:05 pmORD - OPO
1 stop34h 10mSWISS
mar. 1/711:25 amOPO - ORD
2 stops56h 15mSWISS
Deal found 12/18$1,242
This FlightHub deal was found by Cheapflights users on 12/17. 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.
mié. 12/187:15 pmORD - OPO
1 stop11h 50mTAP AIR PORTUGAL
mié. 1/18:55 amOPO - ORD
1 stop12h 35mTAP AIR PORTUGAL
Deal found 12/17$1,929
This Austrian Airlines deal was found by Cheapflights users on 12/18. 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.
vie. 12/204:20 pmORD - OPO
1 stop13h 50mAustrian Airlines
sáb. 12/2812:55 pmOPO - ORD
2 stops31h 10mAustrian Airlines
Deal found 12/18$1,964
This Aeromexico deal was found by Cheapflights users on 12/17. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/292:55 pmORD - OPO
2 stops40h 05mAir France
sáb. 1/41:45 pmOPO - ORD
2 stops54h 45mAir France
Deal found 12/17$2,132
This Air Canada deal was found by Cheapflights users on 12/17. 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.
vie. 12/2011:35 amORD - OPO
2 stops19h 15mAir Canada
lun. 12/306:00 amOPO - ORD
2 stops32h 57mAir Canada
Deal found 12/17$2,354
This Brussels Airlines deal was found by Cheapflights users on 12/18. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/229:10 pmORD - OPO
2 stops36h 30mBrussels Airlines
sáb. 1/412:55 pmOPO - ORD
2 stops54h 00mBrussels Airlines
Deal found 12/18$2,543
This KAYAK deal was found by Cheapflights users on 12/17. 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.
dom. 12/294:45 pmORD - OPO
1 stop13h 00mIberia
sáb. 1/412:25 pmOPO - ORD
1 stop32h 05mIberia
Deal found 12/17$2,684
This Turkish Airlines deal was found by Cheapflights users on 12/17. 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.
mar. 12/178:30 pmORD - OPO
1 stop36h 55mTurkish Airlines
lun. 12/304:25 pmOPO - ORD
1 stop23h 45mTurkish Airlines
Deal found 12/17$2,706

Find flights from O'Hare Intl to Porto within your budget

Customize your flight search to find flights from O'Hare Intl 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 diciembre 18, 2024.

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

vie. 1/31

8:20 pm-8:00 am

1 stop29h 40m

Porto

vie. 2/7

6:55 am-3:30 pm

1 stop14h 35m

$430

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 2/18

4:45 pm-4:00 pm

1 stop17h 15m

Porto

mié. 2/26

8:20 am-2:30 pm

1 stop12h 10m

$511

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 2/18

3:55 pm-11:40 am

1 stop13h 45m

Porto

vie. 2/28

6:05 am-6:25 pm

1 stop18h 20m

$515

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

vie. 1/24

6:30 pm-6:15 pm

2 stops17h 45m

Porto

vie. 1/31

7:00 am-5:20 pm

2 stops16h 20m

$518

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 2/18

9:45 pm-8:00 pm

2 stops16h 15m

Porto

vie. 2/28

8:20 am-2:30 pm

1 stop12h 10m

$535

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

dom. 2/9

7:05 pm-6:40 pm

1 stop17h 35m

Porto

lun. 2/17

12:00 pm-4:15 pm

1 stop34h 15m

$540

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 1/7

5:20 pm-10:50 am

1 stop11h 30m

Porto

mar. 1/14

9:55 am-2:30 pm

1 stop34h 35m

$543

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 1/15

11:40 am-7:40 am

2 stops14h 00m

Porto

mié. 1/22

8:20 am-9:56 pm

2 stops19h 36m

$547

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

dom. 2/9

3:55 pm-3:10 pm

1 stop17h 15m

Porto

lun. 2/17

12:25 pm-4:35 pm

2 stops34h 10m

$556

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 4/23

7:50 pm-9:45 am

1 stop31h 55m

Porto

jue. 5/1

4:50 pm-9:50 am

1 stop23h 00m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 results
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Compare providers for flights from O'Hare Intl to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Porto in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from O'Hare Intl 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.

Travel insights for flights from O'Hare Intl to Porto

Get recent, data-driven insights about flights from O'Hare Intl to Porto including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Porto?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Porto. Price data was last updated on December 13, 2024.

The best time to book flights from Chicago O'Hare Intl Airport to Porto is 12 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Porto (average of $523). Flying from Chicago O'Hare Intl Airport to Porto in June is currently the most expensive (average of $1,000). 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 ORD to OPO?

Find hourly flight availability from O'Hare Intl 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 diciembre 18, 2024.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Porto in the evening. Doing so could potentially save you 34% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Porto?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Porto. Price data was last updated on December 8, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Porto flight should consider departing on Wednesday evenings when fares are most often at their lowest. Wednesday mornings 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 diciembre 18, 2024.
To help decide which airline to fly from Chicago to Porto, see what other customers have to say about SWISS, Air Canada and Lufthansa. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
9,055 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Entertainment

7.9

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

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 O'Hare Intl 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 Chicago O'Hare Intl?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Porto. 9 airlines have flights to Porto from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Porto should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Porto round-trip?

    Currently priced at $430, TAP AIR PORTUGAL will fly you from Chicago O'Hare Intl Airport to Porto and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Iberia and Lufthansa - these airlines can fly you to your destination from $511 and $515, respectively. Users have found that TAP AIR PORTUGAL is 38% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Porto one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $504. KLM flights start at $663 while deals on Lufthansa start at $977 one-way.

  • Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to Porto?

    Of the flights from Chicago O'Hare Intl Airport to Porto that have layovers, most of them stop in Madrid.

  • What are some popular things to do or see while on a layover in Madrid?

    If you're on a layover in Madrid and looking for things to do, consider visiting Puerta del Sol, Plaza Mayor, or Spain Building. Travelers on a layover in Madrid can visit Puerta del Sol, Plaza Mayor, and Spain Building, by traveling 8.4 mi, 8.6 mi, and 8.5 mi, respectively after landing at Madrid Barajas. Travelers can book a car rental at Madrid Barajas for about $26 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Chicago O'Hare Intl Airport to Porto flights?

    Chicago O'Hare Intl Airport to Porto flights have a layover in Lisbon the least frequently.

  • Can I find deals for flights from O'Hare Intl to Porto that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Porto?

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

  • Can I find deals for business class flights from O'Hare Intl to Porto?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Porto (average of $523). Flying from Chicago O'Hare Intl Airport to Porto in June is currently the most expensive (average of $1,000). 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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Top 9 airlines flying from O'Hare Intl to Porto

Discover the top 9 airlines that operate flights from O'Hare Intl 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 diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$423Average$644FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$468Average$741FlexibilityNo cancel feeOn-time71%
IberiaCheapest$487Average$650FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$506Average$797FlexibilityNo cancel feeOn-time70%
DeltaCheapest$519Average$826FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$527Average$838FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$534Average$834FlexibilityNo cancel feeOn-time76%
SWISSCheapest$616Average$940FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$626Average$1,042FlexibilityNo cancel feeOn-time69%
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