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O'Hare Intl

$301+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$436
(oojo)

One-way from

$301
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$723

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. 10% potential increase in price ($94 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 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 3, 2025.

This FlightHub deal was found by Cheapflights users on 11/2. 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.
Wed 11/264:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Thu 12/117:20 pmORD - LIS
1 stop14h 45mScandinavian Airlines
Deal found 11/2$457
This Trip.com deal was found by Cheapflights users on 11/1. 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.
Fri 11/215:35 pmOPO - ORD
1 stop29h 10mScandinavian Airlines
Sun 12/77:20 pmORD - OPO
1 stop15h 25mScandinavian Airlines
Deal found 11/1$459
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/2010:50 amLIS - ORD
1 stop13h 05mAer Lingus
Wed 12/33:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 11/2$565
This Booking.com deal was found by Cheapflights users on 11/3. 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.
Sun 11/233:55 pmLIS - ORD
1 stop30h 50mScandinavian Airlines
Sun 12/77:20 pmORD - LIS
2 stops44h 40mScandinavian Airlines
Deal found 11/3$568
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/124:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Sun 12/287:20 pmORD - LIS
1 stop14h 45mScandinavian Airlines
Deal found 11/2$580
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Tue 11/188:55 pmLIS - ORD
1 stop23h 05mMultiple Airlines
Tue 11/257:40 pmORD - LIS
1 stop11h 25mMultiple Airlines
Deal found 11/2$591
This Scandinavian Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/264:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Thu 1/87:20 pmORD - LIS
1 stop14h 30mScandinavian Airlines
Deal found 11/2$598
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Fri 11/219:00 amOPO - ORD
1 stop12h 25mTAP AIR PORTUGAL
Sun 12/78:25 pmORD - OPO
1 stop29h 35mTAP AIR PORTUGAL
Deal found 11/1$606
This Booking.com deal was found by Cheapflights users on 11/2. 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.
Tue 11/1810:50 amLIS - ORD
1 stop13h 05mAer Lingus
Wed 12/103:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 11/2$619
This Mytrip deal was found by Cheapflights users on 11/1. 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 11/139:55 pmOPO - ORD
3 stops28h 05mMultiple Airlines
Mon 11/173:55 pmORD - OPO
3 stops24h 25mMultiple Airlines
Deal found 11/1$711
This Mytrip deal was found by Cheapflights users on 11/1. 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 11/213:55 pmOPO - ORD
2 stops32h 00mMultiple Airlines
Sun 12/77:40 pmORD - OPO
2 stops32h 50mMultiple Airlines
Deal found 11/1$757
This British Airways deal was found by Cheapflights users on 11/3. 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 11/37:05 pmFAO - ORD
1 stop24h 45mBritish Airways
Fri 11/78:40 pmORD - FAO
1 stop15h 20mBritish Airways
Deal found 11/3$880

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 3, 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

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Thu 2/12

7:20 pm-3:50 pm

1 stop14h 30m

$460

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 2/8

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sat 2/14

7:20 pm-4:05 pm

1 stop14h 45m

$460

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 11/21

5:35 pm-4:45 pm

1 stop29h 10m

Chicago O'Hare Intl

Sun 12/7

7:20 pm-4:45 pm

1 stop15h 25m

$526

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 2/8

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Fri 2/13

7:20 pm-8:55 am

1 stop31h 35m

$535

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 2/9

8:05 am-4:45 pm

2 stops62h 40m

Chicago O'Hare Intl

Thu 2/12

7:20 pm-3:50 pm

1 stop14h 30m

$542

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 2/8

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Wed 2/11

7:20 pm-9:35 pm

1 stop20h 15m

$555

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 2/2

6:10 pm-10:29 pm

2 stops34h 19m

Chicago O'Hare Intl

Tue 2/17

7:30 am-4:05 pm

2 stops26h 35m

$604

PortoChicago

OPO - ORD

OPOORD

Porto

Fri 11/21

9:00 am-3:25 pm

1 stop12h 25m

Chicago O'Hare Intl

Sun 12/7

8:25 pm-8:00 am

1 stop29h 35m

$606

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 12/27

6:55 pm-4:45 pm

1 stop27h 50m

Chicago O'Hare Intl

Thu 1/8

7:20 pm-3:50 pm

1 stop14h 30m

$708

PortoChicago

OPO - ORD

OPOORD

Porto

Thu 11/13

9:55 pm-8:00 pm

3 stops28h 05m

Chicago O'Hare Intl

Mon 11/17

3:55 pm-10:20 pm

3 stops24h 25m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 42 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 $518). 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 3, 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 3, 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
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
KLM
7.7
Good
1,405 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Aer Lingus
7.2
Good
1,365 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
TAP AIR PORTUGAL
7.1
Good
2,046 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 British Airways 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 17h 25m. 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 $809, our data indicates the cheapest price to be $559. The most popular route (Lisbon Humberto Delgado - Chicago O'Hare Intl), is priced around $436.

  • 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 $518). 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
Elgin
Oak Brook
Elk Grove Village
Naperville
Racine
Downers Grove
Rockford
Orland Park
Merrillville
Bridgeview
Warrenville
Waukegan
Aurora

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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
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Frederic Chopin to O'Hare Intl flights
Frederic Chopin to Midway flights
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Athens to O'Hare Intl flights
Malpensa to O'Hare Intl flights
Madrid to Midway flights
Barcelona-El Prat to Midway flights
Duesseldorf Intl to O'Hare Intl flights
Berlin to O'Hare Intl flights
Linate to O'Hare Intl flights
Munich to Midway flights
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
Geneva to O'Hare Intl flights
Sofia to O'Hare Intl flights
Vicenza to O'Hare Intl flights
Lisbon to O'Hare Intl flights
Skopje to O'Hare Intl flights
Basel to O'Hare Intl flights
Geneva 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 November 3, 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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