O'Hare Intl

$345+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
dic. 19 — dic. 261
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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 noviembre 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$421
(lol.travel)

One-way from

$345
(Kiwi.com)

Popular in

January

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.
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago (CHI) flights.
From Portugal to Chicago O'Hare Intl
One-way flight from Portugal to Chicago O'Hare Intl
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a one-way flight from Portugal to Chicago O'Hare Intl.

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 noviembre 19, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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.
sáb. 12/611:20 amLIS - ORD
1 stop29h 58mUnited Airlines
dom. 12/72:24 pmORD - LIS
1 stop11h 46mUnited Airlines
Deal found 11/19$474
This lol.travel deal was found by Cheapflights users on 11/17. 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.
jue. 11/206:00 pmOPO - ORD
1 stop27h 25mTAP AIR PORTUGAL
mié. 12/37:10 pmORD - OPO
1 stop11h 55mTAP AIR PORTUGAL
Deal found 11/17$547
This Virgin Atlantic deal was found by Cheapflights users on 11/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/611:15 amLIS - ORD
2 stops16h 24mVirgin Atlantic
dom. 12/710:35 amORD - LIS
1 stop15h 25mVirgin Atlantic
Deal found 11/19$586
This FlightHub deal was found by Cheapflights users on 11/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/510:50 amLIS - ORD
1 stop13h 05mAer Lingus
dom. 12/73:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 11/18$642
This oojo deal was found by Cheapflights users on 11/17. 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
jue. 12/117:20 pmORD - LIS
1 stop19h 00mScandinavian Airlines
Deal found 11/17$668
This United Airlines deal was found by Cheapflights users on 11/18. 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.
vie. 12/511:20 amLIS - ORD
2 stops37h 35mUnited Airlines
dom. 12/72:24 pmORD - LIS
1 stop11h 46mUnited Airlines
Deal found 11/18$690
This Gotogate deal was found by Cheapflights users on 11/17. 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.
vie. 12/1210:50 amLIS - ORD
1 stop13h 05mAer Lingus
dom. 12/283:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 11/17$704
This United Airlines deal was found by Cheapflights users on 11/17. 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.
mar. 12/911:20 amLIS - ORD
1 stop33h 35mUnited Airlines
jue. 12/111:05 pmORD - LIS
1 stop15h 10mUnited Airlines
Deal found 11/17$714
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:55 pmLIS - ORD
2 stops46h 40mMultiple Airlines
mié. 12/38:36 amORD - LIS
1 stop14h 49mMultiple Airlines
Deal found 11/17$718
This FlightHub deal was found by Cheapflights users on 11/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/53:55 pmLIS - ORD
1 stop30h 50mScandinavian Airlines
dom. 12/77:20 pmORD - LIS
1 stop19h 10mScandinavian Airlines
Deal found 11/18$725
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:55 pmLIS - ORD
2 stops46h 40mMultiple Airlines
vie. 12/58:36 amORD - LIS
1 stop14h 49mMultiple Airlines
Deal found 11/17$750
This Mytrip deal was found by Cheapflights users on 11/18. 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.
jue. 11/206:00 pmOPO - ORD
2 stops29h 55mMultiple Airlines
mié. 12/33:50 pmORD - OPO
1 stop17h 05mMultiple Airlines
Deal found 11/18$794

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 noviembre 19, 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

vie. 2/6

7:00 am-4:45 pm

2 stops39h 45m

Chicago O'Hare Intl

jue. 2/19

7:20 pm-3:50 pm

1 stop14h 30m

$520

PortoChicago

OPO - ORD

OPOORD

Porto

vie. 1/30

9:00 am-3:25 pm

1 stop12h 25m

Chicago O'Hare Intl

dom. 2/8

8:25 pm-6:05 pm

1 stop15h 40m

$579

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

sáb. 12/6

11:15 am-9:39 pm

2 stops16h 24m

Chicago O'Hare Intl

dom. 12/7

10:35 am-8:00 am

1 stop15h 25m

$586

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

dom. 3/22

6:00 pm-5:45 pm

1 stop28h 45m

Chicago O'Hare Intl

vie. 5/8

7:15 pm-3:35 pm

1 stop14h 20m

$649

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

vie. 3/20

6:55 am-5:45 pm

1 stop15h 50m

Chicago O'Hare Intl

sáb. 5/9

7:30 am-4:00 pm

2 stops26h 30m

$667

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

vie. 1/9

7:10 pm-8:53 pm

2 stops31h 43m

Chicago O'Hare Intl

dom. 1/11

7:10 pm-4:05 pm

1 stop14h 55m

$676

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

jue. 3/19

1:00 pm-5:45 pm

1 stop33h 45m

Chicago O'Hare Intl

lun. 5/11

7:15 pm-3:35 pm

1 stop14h 20m

$676

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

vie. 12/5

11:20 am-6:55 pm

2 stops37h 35m

Chicago O'Hare Intl

dom. 12/7

2:24 pm-8:10 am

1 stop11h 46m

$690

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

dom. 3/15

10:50 am-6:52 pm

2 stops37h 02m

Chicago O'Hare Intl

mar. 3/17

8:50 am-10:15 am

1 stop20h 25m

$692

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

lun. 4/20

8:10 pm-2:15 pm

2 stops24h 05m

Chicago O'Hare Intl

lun. 4/27

4:30 pm-3:45 pm

2 stops17h 15m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 35 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 noviembre 19, 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.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 24% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 136 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 24% 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 noviembre 19, 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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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 Virgin Atlantic 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 27h 20m. 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?

  • 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 $438.

  • 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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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 noviembre 19, 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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