How long is the flight from Chicago O'Hare Intl Airport to Portimão?

There are many flights that can get you from Chicago O'Hare Intl Airport to Portimão in 13h 30m. Fly via TAP AIR PORTUGAL, Scandinavian Airlines, or American Airlines to get the fastest option. The distance between Chicago O'Hare Intl Airport and Portimão is about 4114 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Portimão ranges from 0.1 - 4.6 inches per month. December is typically the wettest month, when rainfall can reach 4.6 in. July is typically the driest time to visit Portimão when rainfall is around 0.1 in.

If weather is an important factor for your trip to Portimão, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Portimão?

Consider TAP AIR PORTUGAL, United Airlines or Aer Lingus when booking your flight. These represent the most popular airlines when flying from Chicago O'Hare Intl Airport to Portimão.

What is the cheapest time of day to fly from ORD to P0T?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Portimão as you normally would.

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

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

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

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 Portimão.

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

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

$302+ Flights from Chicago O'Hare Intl Airport to Portimão

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Cheap flight deals from O'Hare Intl to Portimão

Cheapest flights from O'Hare Intl to Portimão
Explore the most affordable flight options available from O'Hare Intl to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Sat 12/2011:27 amORD - FAO

3 stops30h 23mMultiple Airlines

Sat 12/273:35 pmFAO - ORD

2 stops29h 10mMultiple Airlines

Deal found 12/16

$1,476

Sat 12/208:40 pmORD - FAO

1 stop30h 30mBritish Airways

Sat 12/276:50 pmFAO - ORD

1 stop25h 00mBritish Airways

Deal found 12/16

$1,755

Sat 12/202:30 pmORD - FAO

2 stops37h 55mUnited Airlines

Sat 12/271:25 pmFAO - ORD

2 stops36h 20mUnited Airlines

Deal found 12/17

$1,823

Sat 12/206:00 pmORD - FAO

1 stop14h 15mLufthansa

Sat 12/271:25 pmFAO - ORD

1 stop27h 45mLufthansa

Deal found 12/17

$2,280

Best flights from O'Hare Intl to Portimão
Discover carefully curated flight deals from O'Hare Intl to Portimão that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Fri 1/308:15 pmORD - FAO

1 stop13h 30mTAP AIR PORTUGAL

Fri 2/66:05 amFAO - ORD

1 stop15h 20mTAP AIR PORTUGAL

Deal found 12/16

$481

Fri 1/307:10 pmORD - FAO

1 stop15h 10mScandinavian Airlines

Tue 2/311:40 amFAO - ORD

1 stop35h 05mScandinavian Airlines

Deal found 12/15

$500

Wed 1/146:25 pmORD - FAO

2 stops17h 05mAmerican Airlines

Thu 3/127:40 pmFAO - ORD

1 stop24h 10mAmerican Airlines

Deal found 12/17

$601

Fri 3/275:25 pmORD - FAO

1 stop31h 55mKLM

Mon 4/69:45 pmFAO - ORD

1 stop22h 30mKLM

Deal found 12/16

$686

Sun 1/118:25 pmORD - FAO

1 stop13h 20mTAP AIR PORTUGAL

Wed 1/286:05 amFAO - ORD

1 stop14h 55mTAP AIR PORTUGAL

Deal found 12/16

$558

Wed 1/147:10 pmORD - FAO

1 stop14h 35mTAP AIR PORTUGAL

Thu 3/1211:15 amFAO - ORD

1 stop34h 10mTAP AIR PORTUGAL

Deal found 12/16

$620

Fri 3/275:25 pmORD - FAO

1 stop31h 55mKLM

Tue 4/77:55 pmFAO - ORD

1 stop24h 35mKLM

Deal found 12/16

$686

Mon 2/234:25 pmORD - FAO

1 stop20h 30mKLM

Mon 3/27:15 pmFAO - ORD

2 stops27h 26mKLM

Deal found 12/16

$715

Last-minute flights from O'Hare Intl to Portimão
Discover last-minute flight deals from O'Hare Intl to Portimão. Data last updated December 18, 2025 and is based on user searches.

Sun 1/118:25 pmORD - FAO

1 stop13h 20mTAP AIR PORTUGAL

Wed 1/286:05 amFAO - ORD

1 stop14h 55mTAP AIR PORTUGAL

Deal found 12/16

$558

Wed 1/147:10 pmORD - FAO

1 stop22h 40mTAP AIR PORTUGAL

Thu 3/1211:15 amFAO - ORD

1 stop34h 10mTAP AIR PORTUGAL

Deal found 12/17

$493

Wed 1/146:25 pmORD - FAO

2 stops17h 05mAmerican Airlines

Thu 3/127:40 pmFAO - ORD

1 stop27h 20mAmerican Airlines

Deal found 12/16

$601

Wed 1/287:10 pmORD - FAO

1 stop22h 40mTAP AIR PORTUGAL

Sun 2/16:05 amFAO - ORD

1 stop14h 40mTAP AIR PORTUGAL

Deal found 12/17

$735

Fri 1/308:15 pmORD - FAO

1 stop13h 30mTAP AIR PORTUGAL

Fri 2/66:05 amFAO - ORD

1 stop15h 20mTAP AIR PORTUGAL

Deal found 12/16

$481

Fri 1/307:10 pmORD - FAO

1 stop15h 10mScandinavian Airlines

Tue 2/311:40 amFAO - ORD

1 stop35h 05mScandinavian Airlines

Deal found 12/15

$500

Fri 1/306:30 pmORD - FAO

2 stops19h 10mMultiple Airlines

Fri 2/68:10 pmFAO - ORD

3 stops27h 10mMultiple Airlines

Deal found 12/16

$669

One-way flights from O'Hare Intl to Portimão
Search for one-way flight options from O'Hare Intl to Portimão. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Thu 1/158:43 pmORD - FAO

3 stops39h 17mMultiple Airlines

Deal found 12/16

$302

Wed 4/19:30 pmORD - FAO

3 stops42h 05mMultiple Airlines

Deal found 12/17

$391

Wed 4/16:00 pmORD - FAO

1 stop10h 25mTAP AIR PORTUGAL

Deal found 12/17

$394

Fri 5/13:35 pmORD - FAO

1 stop15h 50mLufthansa

Deal found 12/17

$429

Fri 5/11:12 pmORD - FAO

2 stops16h 08mUnited Airlines

Deal found 12/17

$435

Find flight deals from O'Hare Intl to Portimão

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$460 (SmartFares)
One-way from	$302 (Kiwi.com)
Popular in	September
Cheapest in	December
Average price	$530

Provider with most accurate pricing for Chicago (CHI)-Faro flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Faro flights.

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From Chicago O'Hare Intl to Portimão

Search Deals

One-way flight from Chicago O'Hare Intl to Portimão

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portimão that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Fri 1/30

8:15 pm-3:45 pm

1 stop13h 30m

Faro

Fri 2/6

6:05 am-3:25 pm

1 stop15h 20m

$481

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Fri 1/30

7:10 pm-4:20 pm

1 stop15h 10m

Faro

Tue 2/3

11:40 am-4:45 pm

1 stop35h 05m

$500

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 1/11

8:25 pm-3:45 pm

1 stop13h 20m

Faro

Wed 1/28

6:05 am-3:00 pm

1 stop14h 55m

$558

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 1/14

6:25 pm-5:30 pm

2 stops17h 05m

Faro

Thu 3/12

7:40 pm-2:50 pm

1 stop24h 10m

$601

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 1/14

7:10 pm-3:45 pm

1 stop14h 35m

Faro

Thu 3/12

11:15 am-4:25 pm

1 stop34h 10m

$620

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Fri 3/27

5:25 pm-6:20 am

1 stop31h 55m

Faro

Mon 4/6

9:45 pm-2:15 pm

1 stop22h 30m

$686

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Fri 3/27

5:25 pm-6:20 am

1 stop31h 55m

Faro

Tue 4/7

7:55 pm-2:30 pm

1 stop24h 35m

$686

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 2/23

4:25 pm-6:55 pm

1 stop20h 30m

Faro

Mon 3/2

7:15 pm-4:41 pm

2 stops27h 26m

$715

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 1/15

8:43 pm-6:00 pm

3 stops39h 17m

$302

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 4/1

9:30 pm-9:35 pm

3 stops42h 05m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 13 results

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

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

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Portimão

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

Currently, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portimão (average of $411). Flying from Chicago O'Hare Intl Airport to Portimão in July is currently the most expensive (average of $828). 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.

Reviews of airlines servicing Portimão

Get a feel of what it's like to fly with United Airlines, Aer Lingus, and TAP AIR PORTUGAL from Chicago O'Hare Intl Airport to Portimão by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Aer Lingus

7.2

Good

1,395 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

TAP AIR PORTUGAL

7.2

Good

2,091 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

How long is the flight from Chicago O'Hare Intl Airport to Portimão?
There are many flights that can get you from Chicago O'Hare Intl Airport to Portimão in 13h 30m. Fly via TAP AIR PORTUGAL, Scandinavian Airlines, or American Airlines to get the fastest option. The distance between Chicago O'Hare Intl Airport and Portimão is about 4114 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from O'Hare Intl to Portimão that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Portimão flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Portimão?
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 Portimão.
Can I find deals for business class flights from O'Hare Intl to Portimão?
Yes. Cheapflights offers flight deals from O'Hare Intl to Portimão 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 Portimão?
Currently, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portimão (average of $411). Flying from Chicago O'Hare Intl Airport to Portimão in July is currently the most expensive (average of $828). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Portimão

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Top 3 airlines flying from O'Hare Intl to Portimão

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest$486	Average$734	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$733	Average$828	FlexibilityNo cancel fee	On-time69%
Aer Lingus	Cheapest$741	Average$1,087	FlexibilityNo cancel fee	On-timeN/A

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$302+ Cheap flights from O'Hare Intl (ORD) to Portimão, 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'Hare Intl to Portimão with Cheapflights

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Cheap flight deals from O'Hare Intl to Portimão

Cheapest flights from O'Hare Intl to PortimãoExplore the most affordable flight options available from O'Hare Intl to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from O'Hare Intl to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from O'Hare Intl to Portimão

Keep the following information in mind while searching for O'Hare Intl to Portimão flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portimão that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Portimão from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Portimão

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

Reviews of airlines servicing Portimão

Get a feel of what it's like to fly with United Airlines, Aer Lingus, and TAP AIR PORTUGAL from Chicago O'Hare Intl Airport to Portimão by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Portimão. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Chicago O'Hare Intl Airport to Portimão?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Portimão

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from O'Hare Intl to Portimão

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Cheapest flights from O'Hare Intl to Portimão
Explore the most affordable flight options available from O'Hare Intl to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.