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O'Hare Intl

$305+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap 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 January 2, 2026.

This United Airlines deal was found by Cheapflights users on 12/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:15 amLIS - ORD
2 stops19h 29mUnited Airlines
Sun 1/42:30 pmORD - LIS
1 stop13h 45mUnited Airlines
Deal found 12/31$1,021
This Air France deal was found by Cheapflights users on 12/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 pmLIS - ORD
1 stop26h 40mAir France
Sun 1/46:15 pmORD - LIS
1 stop31h 45mAir France
Deal found 12/31$1,155
This Mytrip deal was found by Cheapflights users on 12/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 pmLIS - ORD
2 stops31h 30mMultiple Airlines
Sun 1/48:40 pmORD - LIS
1 stop30h 40mMultiple Airlines
Deal found 12/31$1,549
This Rumbo deal was found by Cheapflights users on 12/31. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:25 amLIS - ORD
Nonstop9h 35mTAP AIR PORTUGAL
Sun 1/48:25 pmORD - LIS
Nonstop7h 55mTAP AIR PORTUGAL
Deal found 12/31$1,606

Find 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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$463
(oojo)

One-way from

$305
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$1,152

Good round-trip deal

$857 or less

Good one-way deal

$629 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago (CHI) flights.
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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. 4% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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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Cheapflights Fare Finder

 
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 January 2, 2026.
Use the filters below to find and compare flights from Portugal to Chicago O'Hare Intl Airport that are best for you.

Fly from

Portugal

Fly to

O'Hare Intl

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 2/4

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sun 2/8

7:10 pm-4:05 pm

1 stop14h 55m

$491

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 1/24

5:10 pm-4:55 pm

1 stop29h 45m

Chicago O'Hare Intl

Fri 1/30

7:10 pm-4:20 pm

1 stop15h 10m

$492

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 2/6

11:55 am-3:25 pm

Nonstop9h 30m

Chicago O'Hare Intl

Fri 2/20

8:15 pm-10:15 am

Nonstop8h 00m

$565

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 2/27

4:40 pm-4:45 pm

1 stop30h 05m

Chicago O'Hare Intl

Fri 3/6

7:10 pm-4:25 pm

2 stops39h 15m

$571

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/16

6:45 pm-2:20 pm

2 stops25h 35m

Chicago O'Hare Intl

Sun 2/1

5:20 pm-11:00 pm

2 stops23h 40m

$573

PortoChicago

OPO - ORD

OPOORD

Porto

Sat 2/14

5:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Sat 2/21

12:29 pm-10:30 am

2 stops16h 01m

$584

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/16

11:15 am-2:20 pm

1 stop33h 05m

Chicago O'Hare Intl

Sun 2/1

5:20 pm-10:30 am

1 stop11h 10m

$584

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/16

6:30 am-2:20 pm

1 stop13h 50m

Chicago O'Hare Intl

Sun 2/1

5:20 pm-10:30 am

1 stop11h 10m

$585

PortoChicago

OPO - ORD

OPOORD

Porto

Sat 1/17

5:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Sat 1/31

4:25 pm-10:25 pm

1 stop24h 00m

$590

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 1/15

6:35 am-9:05 pm

2 stops20h 30m

Chicago O'Hare Intl

Thu 1/29

7:01 am-10:25 am

2 stops21h 24m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 33 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.

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $517). Flying from Portugal to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $900). 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 January 2, 2026.

When flying from Portugal to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Portugal to Chicago delayed?

About 23% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 135 minutes.

What is the most punctual flight time for Portugal to Chicago flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Portugal to Chicago flights?

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 23% of flights being delayed.

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 January 2, 2026.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines from Portugal to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,023 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,023 reviews
Delta
7.9
Good
8,023 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,435 reviews
Delta
7.9
Good
8,023 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,129 reviews
Delta
7.9
Good
8,023 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,418 reviews
Delta
7.9
Good
8,023 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
TAP AIR PORTUGAL
7.1
Good
2,104 reviews
Delta
7.9
Good
8,023 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

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

    Airlines like Scandinavian Airlines, TAP AIR PORTUGAL, and Delta fly from Portugal to Chicago O'Hare Intl Airport in about 9h 30m. The time it takes to get you to your destination can typically vary by up to 20h 20m. The distance from Portugal to Chicago O'Hare Intl Airport is about 3996 mi. This flight may include one or multiple stops.

  • 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 Finnair, which is currently one of the cheapest options available, starting at $401. Iberia flights start at $484 while deals on American Airlines start at $484 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, Faro - Chicago O'Hare Intl or Porto - 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 $778, our data indicates the cheapest price to be $549. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $463.

  • 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, November is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $517). Flying from Portugal to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $900). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora
Evanston

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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.
Frankfurt to O'Hare Intl flights
Charles de Gaulle to O'Hare Intl flights
Heathrow to O'Hare Intl flights
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Frederic Chopin to O'Hare Intl flights
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Leonardo da Vinci/Fiumicino to Midway flights
Barcelona-El Prat to O'Hare Intl flights
Bergamo to O'Hare Intl flights
Luton to O'Hare Intl flights
Krakow to O'Hare Intl flights
Linate to O'Hare Intl flights
Ciampino to O'Hare Intl flights
Basel to O'Hare Intl flights
Lisbon to O'Hare Intl flights
Skopje to O'Hare Intl flights
Barcelona-El Prat to Midway flights
Belgrade to O'Hare Intl flights
Copenhagen to O'Hare Intl flights
Munich to Midway flights
Duesseldorf Intl to O'Hare Intl flights
Berlin to O'Hare Intl flights
Bruxelles-National to Midway flights
Oslo Gardermoen to O'Hare Intl flights

Top 5 airlines flying from Portugal to O'Hare Intl

Discover the top 5 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 January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$650Average$696FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$653Average$740FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$665Average$1,205FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$669Average$768FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$760Average$898FlexibilityNo cancel feeOn-time69%

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