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O'Hare Intl

$371+ Cheap flights from Porto (OPO) to O'Hare Intl (ORD)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — ORD
nov. 5 — nov. 121
1 adult
mar. 11/5
mar. 11/12
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Cheap flight deals from Porto to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to O'Hare Intl (ORD). 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 octubre 31, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

April

Cheapest in

February

Round-trip from

$665
(American Airlines)

One-way from

$371
(Kiwi.com)
Provider with most accurate pricing for Porto-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Porto-Chicago O'Hare Intl flights.
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High demand for flights, 52% potential price rise
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Best time to find cheap flights, 35% potential price drop
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From Porto to Chicago O'Hare Intl
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One-way flight from Porto to Chicago O'Hare Intl
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Find flight deals from Porto to O'Hare Intl

Cheapest flights from Porto to O'Hare Intl
Explore the most affordable flight options available from Porto to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 31, 2024.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/188:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
mar. 12/38:43 amORD - OPO
2 stops16h 57mAmerican Airlines
Deal found 10/30$665
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/312:05 pmOPO - ORD
1 stop34h 10mSWISS
lun. 12/97:05 pmORD - OPO
1 stop17h 30mSWISS
Deal found 10/30$693
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/266:00 amOPO - ORD
1 stop13h 25mLufthansa
jue. 1/93:15 pmORD - OPO
1 stop17h 55mLufthansa
Deal found 10/30$708
This Orbitz deal was found by Cheapflights users on 10/31. 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.
mar. 12/312:05 pmOPO - ORD
1 stop34h 10mMultiple Airlines
lun. 12/910:35 pmORD - OPO
1 stop17h 50mMultiple Airlines
Deal found 10/31$710
This KLM deal was found by Cheapflights users on 10/31. 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.
mar. 12/34:10 pmOPO - ORD
1 stop28h 20mKLM
lun. 12/91:50 pmORD - OPO
2 stops15h 00mKLM
Deal found 10/31$716
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/96:00 amOPO - ORD
2 stops21h 32mDelta
mié. 11/274:25 pmORD - OPO
1 stop12h 05mDelta
Deal found 10/30$721
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/912:30 pmOPO - ORD
1 stop13h 35mUnited Airlines
dom. 11/243:15 pmORD - OPO
1 stop17h 55mUnited Airlines
Deal found 10/30$753
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/88:20 amOPO - ORD
1 stop12h 10mIberia
jue. 11/284:45 pmORD - OPO
1 stop17h 15mIberia
Deal found 10/30$794
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/98:45 amOPO - ORD
2 stops16h 47mAir Canada
mar. 11/2611:35 amORD - OPO
2 stops18h 30mAir Canada
Deal found 10/30$1,105
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/108:55 amOPO - ORD
1 stop12h 35mTAP AIR PORTUGAL
jue. 11/2812:15 pmORD - OPO
2 stops19h 00mTAP AIR PORTUGAL
Deal found 10/30$1,225

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

Customize your flight search to find flights from Porto to O'Hare Intl 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 2,570,725 searches. Data last updated octubre 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortoChicago

OPO - ORD

OPOORD

Porto

dom. 11/10

5:05 pm-9:50 am

3 stops46h 45m

$371

PortoChicago

OPO - ORD

OPOORD

Porto

vie. 11/8

9:00 am-3:30 pm

1 stop12h 30m

$524

PortoChicago

OPO - ORD

OPOORD

Porto

sáb. 11/9

10:40 am-10:10 am

1 stop29h 30m

$580

PortoChicago

OPO - ORD

OPOORD

Porto

sáb. 3/29

8:40 pm-1:45 pm

2 stops22h 05m

$674

PortoChicago

OPO - ORD

OPOORD

Porto

mié. 1/1

6:30 pm-6:45 pm

1 stop30h 15m

$890

PortoChicago

OPO - ORD

OPOORD

Porto

lun. 11/18

8:20 am-2:30 pm

1 stop12h 10m

Chicago O'Hare Intl

mar. 12/3

8:43 am-7:40 am

2 stops16h 57m

$665

PortoChicago

OPO - ORD

OPOORD

Porto

mar. 12/3

12:05 pm-4:15 pm

1 stop34h 10m

Chicago O'Hare Intl

lun. 12/9

7:05 pm-6:35 pm

1 stop17h 30m

$693

PortoChicago

OPO - ORD

OPOORD

Porto

jue. 12/26

6:00 am-1:25 pm

1 stop13h 25m

Chicago O'Hare Intl

jue. 1/9

3:15 pm-3:10 pm

1 stop17h 55m

$708

PortoChicago

OPO - ORD

OPOORD

Porto

mar. 12/3

12:05 pm-4:15 pm

1 stop34h 10m

Chicago O'Hare Intl

lun. 12/9

10:35 pm-10:25 pm

1 stop17h 50m

$710

PortoChicago

OPO - ORD

OPOORD

Porto

mar. 12/3

4:10 pm-2:30 pm

1 stop28h 20m

Chicago O'Hare Intl

lun. 12/9

1:50 pm-10:50 am

2 stops15h 00m

$716

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 14 results
1
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Compare providers for flights from Porto to O'Hare Intl

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 Porto to O'Hare Intl in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*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 Porto-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Chicago O'Hare Intl Airport 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 Porto-Chicago O'Hare Intl Airport 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 Porto to O'Hare Intl

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

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

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

Currently, September is the cheapest month in which you can book a flight from Porto to Chicago O'Hare Intl Airport (average of $232). Flying from Porto to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $308). 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.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated octubre 31, 2024.
Peruse reviews from past customers who have flown with United Airlines, Iberia and Delta from Porto to Chicago to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,644 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.4
Good
3,873 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Porto to O'Hare Intl. 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 from for flights from Porto to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Porto, you will be flying from Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Porto to Chicago O'Hare Intl per day from 1 airline.

  • Can I find flights from Porto to Chicago O'Hare Intl Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Porto to Chicago O'Hare Intl Airport for under $700. The cheapest flight booked recently is on American Airlines for just $665, but on average you can expect to pay $848.

  • Are there last-minute flights available from Porto to Chicago O'Hare Intl Airport for under $800?

    There are currently 7+ open flights from Porto to Chicago O'Hare Intl Airport within the next 7 days for less than $800.

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

    Flying on American Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $665. Additional round-trip tickets that might be worth considering are offered by SWISS and Lufthansa, with the lowest prices starting at $693 and $708, respectively. You may be able to fly from Porto to Chicago O'Hare Intl Airport for 26% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $524. Turkish Airlines flights start at $580 while deals on Iberia start at $674 one-way.

  • What does OPO to ORD mean?

    OPO stands for Porto Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Porto to O'Hare Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Porto to O'Hare Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Porto to O'Hare Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Porto to O'Hare Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Porto to O'Hare Intl that allow pets onboard?

    Many airlines flying from Porto to O'Hare Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Porto to O'Hare Intl?

    Yes, you can often find last-minute deals on Porto to O'Hare Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Porto to Chicago O'Hare Intl Airport flight deals updated?

    The Porto to Chicago O'Hare Intl Airport flight deals you see on this page were last updated on 10/31.

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

    Currently, September is the cheapest month in which you can book a flight from Porto to Chicago O'Hare Intl Airport (average of $232). Flying from Porto to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $308). 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.

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Alternative routes for Porto to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to O'Hare Intl flights
Faro to O'Hare Intl flights

Top airline flying from Porto to O'Hare Intl

Discover the top airline that operate flights from Porto to O'Hare Intl. 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 2,570,725 searches. Data last updated octubre 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$846Average$879FlexibilityNo cancel feeOn-time69%
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