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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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
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 octubre 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$437
(lol.travel)

One-way from

$305
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$798

Good round-trip deal

$884 or less

Good one-way deal

$670 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 ($84 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 October 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 octubre 14, 2025.

This lol.travel deal was found by Cheapflights users on 10/12. 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.
vie. 11/145:35 pmOPO - ORD
1 stop29h 10mScandinavian Airlines
jue. 11/277:20 pmORD - OPO
1 stop15h 35mScandinavian Airlines
Deal found 10/12$437
This oojo deal was found by Cheapflights users on 10/13. 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.
mié. 11/264:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
dom. 11/307:20 pmORD - LIS
1 stop14h 45mScandinavian Airlines
Deal found 10/13$472
This Scandinavian Airlines deal was found by Cheapflights users on 10/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:10 pmFAO - ORD
1 stop29h 35mScandinavian Airlines
lun. 11/247:20 pmORD - FAO
2 stops32h 25mScandinavian Airlines
Deal found 10/12$484
This Scandinavian Airlines deal was found by Cheapflights users on 10/14. 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.
mié. 11/194:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
sáb. 12/67:20 pmORD - LIS
1 stop14h 45mScandinavian Airlines
Deal found 10/14$496
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/194:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
jue. 12/47:20 pmORD - LIS
1 stop14h 45mScandinavian Airlines
Deal found 10/14$517
This Scandinavian Airlines deal was found by Cheapflights users on 10/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/156:45 amLIS - ORD
2 stops21h 02mMultiple Airlines
jue. 1/157:20 pmORD - LIS
1 stop14h 30mMultiple Airlines
Deal found 10/12$525
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/118:55 pmLIS - ORD
2 stops26h 25mMultiple Airlines
dom. 11/166:30 pmORD - LIS
2 stops14h 30mMultiple Airlines
Deal found 10/14$531
This Scandinavian Airlines deal was found by Cheapflights users on 10/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:10 pmFAO - ORD
1 stop29h 35mScandinavian Airlines
vie. 11/217:20 pmORD - FAO
1 stop15h 00mScandinavian Airlines
Deal found 10/12$546
This lol.travel deal was found by Cheapflights users on 10/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:00 pmOPO - ORD
1 stop27h 00mTAP AIR PORTUGAL
dom. 11/168:25 pmORD - OPO
1 stop12h 55mTAP AIR PORTUGAL
Deal found 10/14$548
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1110:50 amLIS - ORD
1 stop13h 05mAer Lingus
dom. 11/163:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 10/14$548
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/251:00 pmLIS - ORD
2 stops33h 45mScandinavian Airlines
dom. 1/257:10 pmORD - LIS
1 stop16h 10mScandinavian Airlines
Deal found 10/14$552
This Scandinavian Airlines deal was found by Cheapflights users on 10/14. 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.
mié. 11/194:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
vie. 12/57:20 pmORD - LIS
1 stop31h 35mScandinavian Airlines
Deal found 10/14$554

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 octubre 14, 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

PortoChicago

OPO - ORD

OPOORD

Porto

vie. 11/14

5:35 pm-4:45 pm

1 stop29h 10m

Chicago O'Hare Intl

jue. 11/27

7:20 pm-4:55 pm

1 stop15h 35m

$437

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

mié. 11/26

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

dom. 11/30

7:20 pm-4:05 pm

1 stop14h 45m

$472

FaroChicago

FAO - ORD

FAOORD

Faro

sáb. 11/15

5:10 pm-4:45 pm

1 stop29h 35m

Chicago O'Hare Intl

mié. 11/19

7:20 pm-11:10 am

2 stops57h 50m

$484

FaroChicago

FAO - ORD

FAOORD

Faro

sáb. 11/15

5:10 pm-4:45 pm

1 stop29h 35m

Chicago O'Hare Intl

lun. 11/24

7:20 pm-9:45 am

2 stops32h 25m

$484

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

mié. 11/19

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

sáb. 12/6

7:20 pm-4:05 pm

1 stop14h 45m

$496

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

mié. 2/4

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

lun. 2/16

7:20 pm-9:30 pm

1 stop20h 10m

$506

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

lun. 12/15

6:45 am-9:47 pm

2 stops21h 02m

Chicago O'Hare Intl

jue. 1/15

7:20 pm-3:50 pm

1 stop14h 30m

$525

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

vie. 2/13

4:40 pm-4:45 pm

1 stop30h 05m

Chicago O'Hare Intl

mié. 2/18

7:20 pm-9:35 pm

1 stop20h 15m

$541

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

mié. 11/19

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

vie. 12/5

7:20 pm-8:55 am

1 stop31h 35m

$554

FaroChicago

FAO - ORD

FAOORD

Faro

sáb. 11/15

5:10 pm-4:45 pm

1 stop29h 35m

Chicago O'Hare Intl

vie. 11/21

7:20 pm-6:05 pm

2 stops16h 45m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 45 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 $514). 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 octubre 14, 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 octubre 14, 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
8.0
Very good
7,973 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,402 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,976 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Aer Lingus
7.2
Good
1,336 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
TAP AIR PORTUGAL
7.1
Good
2,015 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 fly from Portugal to Chicago O'Hare Intl Airport in about 29h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Portugal to Chicago O'Hare Intl Airport is about 3931 mi.

  • 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 $1,371, our data indicates the cheapest price to be $568. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $433.

  • 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 $514). 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
Elgin
Racine
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan

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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
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Athens to O'Hare Intl flights
Amsterdam to Midway flights
Bruxelles-National to Midway flights
Barcelona-El Prat to Midway flights
Malpensa to O'Hare Intl flights
Berlin to O'Hare Intl flights
Madrid to Midway flights
Istanbul to O'Hare Intl flights
Beauvais-Tille to O'Hare Intl flights
Linate to O'Hare Intl flights
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Leonardo da Vinci/Fiumicino to Midway flights
Ciampino to O'Hare Intl flights
Skopje to O'Hare Intl flights
Vicenza to O'Hare Intl flights
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Belgrade to O'Hare Intl flights
Munich to Midway 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 octubre 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$579Average$742FlexibilityNo 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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