HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portimão

$397+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAO
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$739
(Mytrip)

One-way from

$397
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$738
Provider with most accurate pricing for Chicago (CHI)-Faro flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Faro flights.
Search Deals
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. 10% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($85 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 30, 2025.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:10 pmORD - FAO
1 stop17h 10mTAP AIR PORTUGAL
Sun 9/216:10 pmFAO - ORD
1 stop28h 30mTAP AIR PORTUGAL
Deal found 4/29$516
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:15 pmORD - FAO
2 stops41h 30mScandinavian Airlines
Sat 9/67:35 pmFAO - ORD
2 stops50h 35mScandinavian Airlines
Deal found 4/29$533
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Mon 10/62:00 pmORD - FAO
2 stops19h 05mMultiple Airlines
Wed 10/154:40 pmFAO - ORD
2 stops28h 10mMultiple Airlines
Deal found 4/29$725
This KAYAK deal was found by Cheapflights users on 4/29. 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.
Sun 8/244:55 pmORD - FAO
1 stop13h 25mBritish Airways
Tue 9/93:35 pmFAO - ORD
1 stop30h 20mBritish Airways
Deal found 4/29$804
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 9/1410:20 pmORD - FAO
1 stop14h 40mAmerican Airlines
Tue 9/3011:30 amFAO - ORD
2 stops25h 55mAmerican Airlines
Deal found 4/29$811
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Mon 9/811:25 amORD - FAO
2 stops30h 25mTurkish Airlines
Sun 9/146:05 amFAO - ORD
2 stops45h 55mTurkish Airlines
Deal found 4/29$878
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 8/216:00 amORD - FAO
2 stops26h 35mUnited Airlines
Thu 9/1112:05 pmFAO - ORD
1 stop14h 06mUnited Airlines
Deal found 4/29$881
This SWISS deal was found by Cheapflights users on 4/29. 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.
Thu 8/217:05 pmORD - FAO
1 stop16h 50mSWISS
Fri 9/126:45 pmFAO - ORD
1 stop23h 25mSWISS
Deal found 4/29$894
This Lufthansa deal was found by Cheapflights users on 4/29. 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.
Thu 8/214:00 pmORD - FAO
1 stop16h 35mLufthansa
Sun 9/73:25 pmFAO - ORD
1 stop34h 30mLufthansa
Deal found 4/29$924
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Thu 8/212:00 pmORD - FAO
2 stops18h 35mAir Canada
Mon 9/83:25 pmFAO - ORD
2 stops58h 04mAir Canada
Deal found 4/29$968
This Iberia deal was found by Cheapflights users on 4/29. 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.
Sun 8/2410:08 amORD - FAO
2 stops19h 42mIberia
Mon 9/812:30 pmFAO - ORD
1 stop31h 45mIberia
Deal found 4/29$1,011
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.
Mon 6/29:15 pmORD - FAO
1 stop31h 15mAer Lingus
Wed 6/117:40 pmFAO - ORD
1 stop24h 20mAer Lingus
Deal found 4/28$1,043

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Portimão 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 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portimão that are best for you.

Fly from

O'Hare Intl

Fly to

Portimão

Route

Depart

Return

Price

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 9/15

6:10 pm-5:20 pm

1 stop17h 10m

Faro

Sun 9/21

6:10 pm-4:40 pm

1 stop28h 30m

$516

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 8/21

7:15 pm-6:45 pm

2 stops41h 30m

Faro

Sat 9/6

7:35 pm-4:10 pm

2 stops50h 35m

$533

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 10/6

2:00 pm-3:05 pm

2 stops19h 05m

Faro

Wed 10/15

4:40 pm-2:50 pm

2 stops28h 10m

$725

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 8/24

4:55 pm-12:20 pm

1 stop13h 25m

Faro

Tue 9/9

3:35 pm-3:55 pm

1 stop30h 20m

$804

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 9/14

10:20 pm-7:00 pm

1 stop14h 40m

Faro

Tue 9/30

11:30 am-7:25 am

2 stops25h 55m

$811

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 9/8

11:25 am-11:50 pm

2 stops30h 25m

Faro

Sun 9/14

6:05 am-10:00 pm

2 stops45h 55m

$878

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 8/21

6:00 am-2:35 pm

2 stops26h 35m

Faro

Thu 9/11

12:05 pm-8:11 pm

1 stop14h 06m

$881

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 8/21

7:05 pm-5:55 pm

1 stop16h 50m

Faro

Fri 9/12

6:45 pm-12:10 pm

1 stop23h 25m

$894

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 8/21

4:00 pm-2:35 pm

1 stop16h 35m

Faro

Sun 9/7

3:25 pm-7:55 pm

1 stop34h 30m

$924

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Thu 8/21

2:00 pm-2:35 pm

2 stops18h 35m

Faro

Mon 9/8

3:25 pm-7:29 pm

2 stops58h 04m

$968

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
1
2

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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portimão (average of $628). Flying from Chicago O'Hare Intl Airport to Portimão in June is currently the most expensive (average of $1,329). 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 P0T?

Find hourly flight availability from O'Hare Intl to Portimão. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

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.

Rainfall in Portimão by month

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

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.

Temperature in Portimão by month

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

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).

Reviews of airlines servicing Portimão

Get insights into the airlines that provide service to Portimão. 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 Portimão. Reviews last updated April 30, 2025.
SWISS
7.5
Good
1,588 reviews

Food

7.0

Comfort

7.4

Boarding

7.6

Entertainment

6.7

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,588 reviews
SWISS
7.5
Good
1,588 reviews

Food

7.0

Comfort

7.4

Boarding

7.6

Entertainment

6.7

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,696 reviews
SWISS
7.5
Good
1,588 reviews

Food

7.0

Comfort

7.4

Boarding

7.6

Entertainment

6.7

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Scandinavian Airlines
7.3
Good
1,349 reviews
SWISS
7.5
Good
1,588 reviews

Food

7.0

Comfort

7.4

Boarding

7.6

Entertainment

6.7

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,588 reviews

Food

7.0

Comfort

7.4

Boarding

7.6

Entertainment

6.7

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
TAP AIR PORTUGAL
7.1
Good
1,851 reviews
SWISS
7.5
Good
1,588 reviews

Food

7.0

Comfort

7.4

Boarding

7.6

Entertainment

6.7

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Portimão 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 $716. British Airways flights start at $761 while deals on Aer Lingus start at $829 one-way.

  • 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portimão (average of $628). Flying from Chicago O'Hare Intl Airport to Portimão in June is currently the most expensive (average of $1,329). 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

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

Top 3 airlines flying from O'Hare Intl to Portimão

Discover the top 3 airlines that operate flights from O'Hare Intl to Portimão. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$486Average$829FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$793FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$719Average$1,265FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.