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Portimão

$527+ Cheap flights from O'Hare Intl (ORD) to Portimão, Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAO
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$527
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$847
From Chicago O'Hare Intl to Portimão
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($95 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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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 August 14, 2025.

This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:15 pmORD - FAO
1 stop13h 05mScandinavian Airlines
Wed 10/159:40 amFAO - ORD
1 stop36h 30mScandinavian Airlines
Deal found 8/13$527
This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:15 pmORD - FAO
1 stop13h 05mScandinavian Airlines
Sun 10/2610:30 amFAO - ORD
2 stops36h 25mScandinavian Airlines
Deal found 8/13$556
This oojo deal was found by Cheapflights users on 8/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:20 pmORD - FAO
2 stops16h 45mScandinavian Airlines
Sun 11/3010:30 amFAO - ORD
2 stops36h 15mScandinavian Airlines
Deal found 8/13$625
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/23:45 pmORD - FAO
1 stop12h 45mAer Lingus
Thu 9/1111:45 amFAO - ORD
1 stop13h 15mAer Lingus
Deal found 8/13$634
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. 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 10/27:15 pmORD - FAO
2 stops32h 15mScandinavian Airlines
Sat 10/116:45 pmFAO - ORD
1 stop27h 25mScandinavian Airlines
Deal found 8/14$646
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:00 pmORD - FAO
1 stop10h 25mTAP AIR PORTUGAL
Thu 10/3011:15 amFAO - ORD
1 stop34h 00mTAP AIR PORTUGAL
Deal found 8/14$656
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:00 pmORD - FAO
1 stop10h 25mTAP AIR PORTUGAL
Sun 10/56:05 amFAO - ORD
1 stop16h 05mTAP AIR PORTUGAL
Deal found 8/14$667
This Orbitz deal was found by Cheapflights users on 8/13. 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.
Mon 11/174:45 pmORD - FAO
2 stops19h 15mBritish Airways
Mon 11/247:05 pmFAO - ORD
1 stop27h 55mBritish Airways
Deal found 8/13$676

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 August 14, 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 10/6

7:15 pm-2:20 pm

1 stop13h 05m

Faro

Wed 10/15

9:40 am-4:10 pm

1 stop36h 30m

$527

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 10/20

7:15 pm-2:20 pm

1 stop13h 05m

Faro

Sun 10/26

10:30 am-5:55 pm

2 stops36h 25m

$556

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Fri 11/21

7:20 pm-6:05 pm

2 stops16h 45m

Faro

Sun 11/30

10:30 am-4:45 pm

2 stops36h 15m

$625

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Tue 9/2

3:45 pm-10:30 am

1 stop12h 45m

Faro

Thu 9/11

11:45 am-7:00 pm

1 stop13h 15m

$634

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 11/17

4:45 pm-6:00 pm

2 stops19h 15m

Faro

Mon 11/24

7:05 pm-5:00 pm

1 stop27h 55m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 August 14, 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.

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 August 14, 2025.
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
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Aer Lingus
7.1
Good
1,214 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,948 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$486Average$736FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$543Average$1,187FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$757Average$828FlexibilityNo cancel feeOn-time69%

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