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O'Hare Intl

$357+ Cheap flights from Portugal 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Portugal to O'Hare Intl

Keep the following information in mind while searching for Portugal to O'Hare Intl flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583
(Mytrip)

One-way from

$357
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$625

Good round-trip deal

$1,005 or less

Good one-way deal

$619 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Chicago (CHI) flight deals.
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From Portugal to Chicago O'Hare Intl
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One-way flight from Portugal to Chicago O'Hare Intl
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Highest demand for flights based on searches. 9% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Portugal to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Portugal to Chicago O'Hare Intl.
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Find flight deals from Portugal to O'Hare Intl

Cheapest flights from Portugal to O'Hare Intl
Explore the most affordable flight options available from Portugal to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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.
Wed 4/26:25 amLIS - ORD
2 stops19h 30mMultiple Airlines
Wed 4/92:20 pmORD - LIS
2 stops25h 30mMultiple Airlines
Deal found 2/20$583
This lastminute.com deal was found by Cheapflights users on 2/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1810:15 pmLIS - ORD
1 stop26h 45mAer Lingus
Sun 5/43:45 pmORD - LIS
1 stop13h 00mAer Lingus
Deal found 2/20$584
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/185:55 pmOPO - ORD
1 stop28h 15mScandinavian Airlines
Thu 5/17:15 pmORD - OPO
1 stop15h 50mScandinavian Airlines
Deal found 2/20$618
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Thu 4/38:40 amOPO - ORD
2 stops28h 54mMultiple Airlines
Tue 4/85:22 pmORD - OPO
2 stops32h 33mMultiple Airlines
Deal found 2/20$628
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:35 amLIS - ORD
1 stop13h 40mIberia
Thu 5/224:30 pmORD - LIS
1 stop13h 20mIberia
Deal found 2/20$633
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2111:05 amLIS - ORD
1 stop14h 01mBritish Airways
Wed 3/264:25 pmORD - LIS
1 stop11h 30mBritish Airways
Deal found 2/20$647
This Iberia deal was found by Cheapflights users on 2/20. 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.
Thu 4/38:15 amOPO - ORD
1 stop12h 00mIberia
Tue 4/84:30 pmORD - OPO
1 stop17h 25mIberia
Deal found 2/20$652
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/1412:20 pmOPO - ORD
1 stop31h 55mAmerican Airlines
Sun 4/274:30 pmORD - OPO
1 stop17h 25mAmerican Airlines
Deal found 2/20$660
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 3/2111:05 amLIS - ORD
2 stops18h 07mAmerican Airlines
Wed 3/2611:57 amORD - LIS
1 stop15h 58mAmerican Airlines
Deal found 2/20$666
This British Airways deal was found by Cheapflights users on 2/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/149:15 pmOPO - ORD
1 stop23h 30mBritish Airways
Sun 4/2710:20 pmORD - OPO
1 stop16h 05mBritish Airways
Deal found 2/20$671
This Trip.com deal was found by Cheapflights users on 2/20. 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.
Sat 5/178:15 pmLIS - ORD
1 stop22h 55mITA Airways
Fri 5/233:00 pmORD - LIS
1 stop18h 45mITA Airways
Deal found 2/20$679
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/146:00 amOPO - ORD
1 stop12h 55mUnited Airlines
Sun 4/277:10 amORD - OPO
1 stop20h 35mUnited Airlines
Deal found 2/20$712

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

Customize your flight search to find flights from Portugal 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Portugal

Fly to

O'Hare Intl

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 4/2

6:25 am-7:55 pm

2 stops19h 30m

Chicago O'Hare Intl

Wed 4/9

2:20 pm-9:50 pm

2 stops25h 30m

$583

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 4/18

10:15 pm-7:00 pm

1 stop26h 45m

Chicago O'Hare Intl

Sun 5/4

3:45 pm-10:45 am

1 stop13h 00m

$584

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 4/18

5:55 pm-4:10 pm

1 stop28h 15m

Chicago O'Hare Intl

Thu 5/1

7:15 pm-5:05 pm

1 stop15h 50m

$618

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 4/3

8:40 am-7:34 am

2 stops28h 54m

Chicago O'Hare Intl

Tue 4/8

5:22 pm-7:55 am

2 stops32h 33m

$628

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 5/1

6:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Thu 5/22

4:30 pm-11:50 am

1 stop13h 20m

$633

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 3/21

11:05 am-8:06 pm

1 stop14h 01m

Chicago O'Hare Intl

Wed 3/26

4:25 pm-8:55 am

1 stop11h 30m

$647

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 4/3

8:15 am-2:15 pm

1 stop12h 00m

Chicago O'Hare Intl

Tue 4/8

4:30 pm-3:55 pm

1 stop17h 25m

$652

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 4/3

8:15 am-10:28 pm

2 stops20h 13m

Chicago O'Hare Intl

Tue 4/8

4:30 pm-3:55 pm

1 stop17h 25m

$662

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 3/21

11:05 am-12:12 am

2 stops18h 07m

Chicago O'Hare Intl

Wed 3/26

11:57 am-8:55 am

1 stop15h 58m

$666

PortoChicago

OPO - ORD

OPOORD

Porto

Mon 4/14

9:15 pm-2:45 pm

1 stop23h 30m

Chicago O'Hare Intl

Sun 4/27

10:20 pm-8:25 pm

1 stop16h 05m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 53 results
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Best time to book a flight from Portugal to O'Hare Intl

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

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

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

Currently, August is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $245). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 PT to ORD?

Find hourly flight availability from Portugal to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 14% on flights from Portugal to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

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 February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Portugal to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Portugal 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 are the cheapest airlines to fly from Portugal 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 $487. Aer Lingus flights start at $498 while deals on Turkish Airlines start at $560 one-way.

  • What are the most popular routes from Portugal to Chicago O'Hare Intl Airport?

    When deciding which route to take from Portugal to Chicago O'Hare Intl Airport consider Lisbon Humberto Delgado - Chicago O'Hare Intl, Porto - Chicago O'Hare Intl or Faro - Chicago O'Hare Intl as they are the most popular.

  • What are the cheapest flights from Portugal to Chicago O'Hare Intl Airport?

    Looking for the cheapest flight from Portugal to Chicago O'Hare Intl Airport? While on average our users pay $1,245, our data indicates the cheapest price to be $597. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $524.

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

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

  • How can I find direct flights from Portugal 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 Portugal to O'Hare Intl.

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

    Yes. Cheapflights offers flight deals from Portugal 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.

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

    Currently, August is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $245). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Portugal?

Book flights to Portugal if you plan to visit one of these locations
Naperville
Rosemont
Schaumburg
Beloit
Racine
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Rockford
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Northbrook
Joliet
Orland Park
Merrillville
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Des Plaines
Elgin

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Alternative routes for Portugal to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Charles de Gaulle to O'Hare Intl flights
Frankfurt to O'Hare Intl flights
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Frederic Chopin to Midway flights
Dublin to O'Hare Intl flights
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London City to O'Hare Intl flights
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Vienna to O'Hare Intl flights
Barcelona-El Prat to O'Hare Intl flights
Krakow to O'Hare Intl flights
Heathrow to Midway flights
Bruxelles-National to O'Hare Intl flights
Amsterdam to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
Munich to O'Hare Intl flights
Zurich to O'Hare Intl flights
Charles de Gaulle to Midway flights
Shannon to O'Hare Intl flights
Athens to O'Hare Intl flights
Istanbul to O'Hare Intl flights
Beauvais-Tille to O'Hare Intl flights
Barcelona-El Prat to Midway flights
Modlin to O'Hare Intl flights
Bergamo to O'Hare Intl flights
Linate to O'Hare Intl flights
Madrid to Midway flights
Copenhagen to O'Hare Intl flights
Luton to O'Hare Intl flights
Berlin to O'Hare Intl flights
Budapest to O'Hare Intl flights
Stansted to O'Hare Intl flights
Frankfurt-Hahn to O'Hare Intl flights
Bologna to O'Hare Intl flights
Bruxelles-National to Midway flights
Amsterdam to Midway flights
Leonardo da Vinci/Fiumicino to Midway flights
Otopeni Intl to O'Hare Intl flights
Belgrade to O'Hare Intl flights
Manchester to O'Hare Intl flights

Top 3 airlines flying from Portugal to O'Hare Intl

Discover the top 3 airlines that operate flights from Portugal 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$562Average$678FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$580Average$1,076FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$716Average$882FlexibilityNo cancel feeOn-time69%
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