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O'Hare Intl

$349+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$442
(Mytrip)

One-way from

$349
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$761

Good one-way deal

$634 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. 9% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 13, 2025.

This lol.travel deal was found by Cheapflights users on 11/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:05 amFAO - ORD
1 stop15h 20mTAP AIR PORTUGAL
Fri 11/288:15 pmORD - FAO
1 stop13h 30mTAP AIR PORTUGAL
Deal found 11/12$547
This lol.travel deal was found by Cheapflights users on 11/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 pmOPO - ORD
1 stop27h 25mTAP AIR PORTUGAL
Wed 12/37:10 pmORD - OPO
1 stop13h 55mTAP AIR PORTUGAL
Deal found 11/11$551
This Mytrip deal was found by Cheapflights users on 11/11. 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 11/266:40 amLIS - ORD
1 stop13h 20mMultiple Airlines
Sun 11/303:50 pmORD - LIS
1 stop12h 20mMultiple Airlines
Deal found 11/11$642
This Mytrip deal was found by Cheapflights users on 11/12. 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.
Fri 11/2110:40 amFAO - ORD
1 stop13h 15mMultiple Airlines
Fri 11/283:50 pmORD - FAO
2 stops17h 55mMultiple Airlines
Deal found 11/12$660
This Trip.com deal was found by Cheapflights users on 11/12. 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.
Wed 12/247:00 pmLIS - ORD
1 stop27h 45mMultiple Airlines
Thu 1/17:20 pmORD - LIS
1 stop14h 45mMultiple Airlines
Deal found 11/12$661
This Trip.com deal was found by Cheapflights users on 11/12. 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.
Sun 11/163:55 pmLIS - ORD
1 stop30h 50mScandinavian Airlines
Sat 12/67:20 pmORD - LIS
1 stop16h 50mScandinavian Airlines
Deal found 11/12$663
This oojo deal was found by Cheapflights users on 11/11. 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.
Wed 11/264:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Thu 12/117:20 pmORD - LIS
1 stop19h 00mScandinavian Airlines
Deal found 11/11$665
This Booking.com deal was found by Cheapflights users on 11/12. 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 12/59:10 pmLIS - ORD
1 stop25h 35mScandinavian Airlines
Mon 12/87:20 pmORD - LIS
2 stops20h 40mScandinavian Airlines
Deal found 11/12$671
This Mytrip deal was found by Cheapflights users on 11/11. 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 12/109:00 pmLIS - ORD
2 stops26h 55mMultiple Airlines
Sat 12/133:50 pmORD - LIS
2 stops17h 35mMultiple Airlines
Deal found 11/11$678
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/1011:00 amLIS - ORD
2 stops55h 51mUnited Airlines
Sat 12/1311:15 amORD - LIS
1 stop17h 00mUnited Airlines
Deal found 11/11$688
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:50 pmLIS - ORD
2 stops31h 30mMultiple Airlines
Sun 12/75:20 pmORD - LIS
2 stops21h 55mMultiple Airlines
Deal found 11/13$692
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Fri 12/128:50 pmLIS - ORD
1 stop23h 10mMultiple Airlines
Sun 12/287:40 pmORD - LIS
1 stop13h 20mMultiple Airlines
Deal found 11/11$694

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 November 13, 2025.
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

Sun 2/8

7:00 pm-9:35 pm

2 stops32h 35m

Chicago O'Hare Intl

Thu 2/12

7:20 pm-3:50 pm

1 stop14h 30m

$531

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 1/30

9:00 am-3:25 pm

1 stop12h 25m

Chicago O'Hare Intl

Sun 2/8

8:25 pm-1:00 pm

1 stop10h 35m

$567

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 2/21

7:05 am-4:45 pm

1 stop15h 40m

Chicago O'Hare Intl

Sun 3/1

7:20 pm-10:00 pm

2 stops20h 40m

$651

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 5/4

6:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Wed 5/13

8:50 pm-11:25 pm

2 stops20h 35m

$653

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 3/1

7:00 am-4:45 pm

2 stops39h 45m

Chicago O'Hare Intl

Wed 3/4

7:20 pm-4:25 pm

2 stops39h 05m

$676

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 12/10

11:00 am-12:51 pm

2 stops55h 51m

Chicago O'Hare Intl

Sat 12/13

11:15 am-10:15 am

1 stop17h 00m

$688

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 1/10

6:00 am-9:12 am

2 stops33h 12m

Chicago O'Hare Intl

Sat 1/17

6:30 pm-4:40 pm

2 stops16h 10m

$701

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 12/9

11:20 am-2:55 pm

1 stop33h 35m

Chicago O'Hare Intl

Thu 12/11

2:39 pm-10:15 am

1 stop13h 36m

$712

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 11/26

6:25 am-5:55 pm

2 stops17h 30m

Chicago O'Hare Intl

Sun 11/30

3:50 pm-9:15 pm

2 stops23h 25m

$715

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 11/26

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Thu 12/11

7:20 pm-8:20 pm

1 stop19h 00m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 38 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 $558). 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 November 13, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 46% on flights from Portugal to Chicago O'Hare Intl Airport by exploring options for tickets in the evening.

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 November 13, 2025.
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
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

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
1,411 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

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
9,017 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

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
1,370 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

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
2,059 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

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 12h 25m. The time it takes to get you to your destination can typically vary by up to 20h 10m. The distance from Portugal to Chicago O'Hare Intl Airport is about 3931 mi. This flight may include one or multiple stops.

  • 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 $718, our data indicates the cheapest price to be $552. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $527.

  • 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 $558). 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
Skokie
Des Plaines
Gurnee
Hoffman Estates
Beloit
Delavan
Elgin
Oak Brook
Elk Grove Village
Downers Grove
Rockford
Naperville
Orland Park
Bridgeview
Warrenville
Waukegan
Aurora
Racine

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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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Stansted to O'Hare Intl flights
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Beauvais-Tille to O'Hare Intl flights
Duesseldorf Intl to O'Hare Intl flights
Madrid to Midway flights
Athens to O'Hare Intl flights
Vicenza to O'Hare Intl flights
Malpensa to O'Hare Intl flights
Berlin to O'Hare Intl flights
Munich to Midway flights
Bruxelles-National to Midway flights
Barcelona-El Prat to Midway flights
Modlin to O'Hare Intl flights
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Málaga to O'Hare Intl flights
Ciampino to O'Hare Intl flights
Edinburgh to O'Hare Intl flights
Duesseldorf Intl to Midway flights
Linate to O'Hare Intl flights
Sofia 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$579Average$759FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$580Average$1,209FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$650Average$696FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$653Average$740FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$733Average$872FlexibilityNo cancel feeOn-time69%

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