Lisbon

$274+ Cheap flights from O'Hare Intl (ORD) to Lisbon (LIS)

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Aug 19 — Aug 261
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Lisbon Humberto Delgado are usually found in January or February, booked 28 days in advance, depart on a Wednesday or Sunday and return on a Friday

Cheap flight deals from O'Hare Intl to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$539
(United Airlines)

One-way from

$274
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$771

Good round-trip deal

$383 or less

Good one-way deal

$236 or less
From Chicago O'Hare Intl to Lisbon Humberto Delgado
One-way flight from Chicago O'Hare Intl to Lisbon Humberto Delgado
Highest demand for flights based on searches. 21% potential increase in price ($203 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Chicago O'Hare Intl to Lisbon Humberto Delgado.
Price to beat on a one-way flight from Chicago O'Hare Intl to Lisbon Humberto Delgado.

Find flight deals from O'Hare Intl to Lisbon

Cheapest flights from O'Hare Intl to Lisbon
Explore the most affordable flight options available from O'Hare Intl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:00 amORD - LIS
1 stop20h 15mUnited Airlines
Sat 11/155:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Deal found 8/12$539
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/222:25 pmORD - LIS
2 stops14h 40mUnited Airlines
Thu 10/305:00 amLIS - ORD
1 stop16h 20mUnited Airlines
Deal found 8/12$541
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:45 pmORD - LIS
2 stops14h 25mUnited Airlines
Mon 11/105:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Deal found 8/12$543
This Iberia deal was found by Cheapflights users on 8/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:10 pmORD - LIS
1 stop22h 35mMultiple Airlines
Sun 11/167:45 amLIS - ORD
1 stop12h 45mMultiple Airlines
Deal found 8/12$544
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 11/19:10 pmORD - LIS
1 stop32h 05mUnited Airlines
Sun 11/95:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Deal found 8/11$545
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/292:00 pmORD - LIS
2 stops13h 55mUnited Airlines
Sun 11/95:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Deal found 8/11$546
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:55 pmORD - LIS
1 stop20h 20mAer Lingus
Thu 11/1310:50 amLIS - ORD
1 stop13h 05mAer Lingus
Deal found 8/12$547
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:00 amORD - LIS
1 stop18h 20mMultiple Airlines
Sat 11/13:25 pmLIS - ORD
1 stop30h 55mMultiple Airlines
Deal found 8/12$548
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:50 pmORD - LIS
1 stop14h 15mScandinavian Airlines
Wed 11/124:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Deal found 8/11$549
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:00 amORD - LIS
1 stop19h 15mUnited Airlines
Mon 11/176:10 amLIS - ORD
1 stop14h 00mUnited Airlines
Deal found 8/12$550
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:00 pmORD - LIS
2 stops13h 10mUnited Airlines
Tue 11/1810:15 amLIS - ORD
2 stops14h 15mUnited Airlines
Deal found 8/12$551
This United deal was found by Cheapflights users on 8/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:10 pmORD - LIS
1 stop32h 05mMultiple Airlines
Sat 11/83:25 pmLIS - ORD
1 stop30h 55mMultiple Airlines
Deal found 8/13$552

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Lisbon 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 August 14, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Lisbon that are best for you.

Fly from

O'Hare Intl

Fly to

Lisbon

Route

Depart

Return

Price

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 11/2

8:00 am-10:15 am

1 stop20h 15m

Lisbon Humberto Delgado

Sun 11/16

5:00 am-8:05 pm

1 stop21h 05m

$539

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 11/3

11:15 am-10:15 am

1 stop17h 00m

Lisbon Humberto Delgado

Sat 11/15

5:00 am-1:10 pm

1 stop14h 10m

$539

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 11/3

1:36 pm-8:10 am

1 stop12h 34m

Lisbon Humberto Delgado

Sun 11/16

5:00 am-8:05 pm

1 stop21h 05m

$539

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 11/2

8:50 am-10:15 am

1 stop19h 25m

Lisbon Humberto Delgado

Sun 11/9

5:00 am-1:10 pm

1 stop14h 10m

$539

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 11/2

8:00 am-10:15 am

1 stop20h 15m

Lisbon Humberto Delgado

Sat 11/15

5:00 am-1:10 pm

1 stop14h 10m

$539

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 10/22

2:25 pm-11:05 am

2 stops14h 40m

Lisbon Humberto Delgado

Thu 10/30

5:00 am-4:20 pm

1 stop16h 20m

$541

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 11/3

12:45 pm-8:10 am

2 stops13h 25m

Lisbon Humberto Delgado

Mon 11/17

5:00 am-1:10 pm

1 stop14h 10m

$543

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/3

2:55 pm-9:05 am

1 stop12h 10m

Lisbon Humberto Delgado

Sat 12/13

6:30 am-2:30 pm

1 stop14h 00m

$544

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 11/1

9:10 pm-10:15 am

1 stop32h 05m

Lisbon Humberto Delgado

Sun 11/9

5:00 am-1:10 pm

1 stop14h 10m

$545

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 11/1

9:10 pm-10:15 am

1 stop32h 05m

Lisbon Humberto Delgado

Mon 11/10

5:00 am-8:05 pm

1 stop21h 05m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 results
1
2

The best insider tips for Chicago O'Hare Intl Airport to Lisbon flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Lisbon trip
Airports
ORD

For a quick departure from ORD, use the "L" train for reliable access, avoiding unpredictable Chicago traffic.

Read more about ORDby Ramsey Qubein
LIS

Upon arrival at LIS, take the metro for a quick 20-minute ride to downtown Lisbon.

Read more about LISby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD and LIS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from O'Hare Intl to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from O'Hare Intl 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 Chicago O'Hare Intl Airport to Lisbon

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Lisbon. Price data was last updated on August 8, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Lisbon is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Lisbon (average of $612). Flying from Chicago O'Hare Intl Airport to Lisbon in June is currently the most expensive (average of $1,128). 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 ORD to LIS?

Find hourly flight availability from O'Hare Intl to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Lisbon in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Lisbon flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada from Chicago O'Hare Intl Airport to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Lisbon from Chicago O'Hare Intl?

    If you book a flight to Lisbon from Chicago O'Hare Intl, you will be flying to Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon. There are 0 flights from Chicago O'Hare Intl to Humberto Delgado per day from 18 different airlines.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Lisbon round-trip?

    According to our current data, Scandinavian Airlines ($411), Icelandair ($444), and Finnair ($463) offers the cheapest pricing from Chicago O'Hare Intl Airport to Lisbon. Users have found that Scandinavian Airlines is 45% cheaper than the other options available to this destination.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Lisbon?

    On average you can expect to pay $844 for a flight from Chicago O'Hare Intl Airport to Lisbon. The cheapest flight overall is $180 while the most popular route, (Chicago O'Hare Intl - Lisbon Humberto Delgado) is currently priced at $444.

  • Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to Lisbon?

  • What are some popular things to do or see while on a layover in London?

    Hyde Park, Buckingham Palace, and Piccadilly Circus are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Buckingham Palace, and Piccadilly Circus can be visited by traveling about 12.5 mi, 13.7 mi, and 14.1 mi respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $48 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Toronto?

    The majority of Toronto visitors spend their time at Union Station, CN Tower, and Hockey Hall of Fame. Union Station, CN Tower, and Hockey Hall of Fame can be visited by traveling about 12.1 mi, 11.9 mi, and 12.3 mi respectively from Toronto Pearson Intl. Those landing in Toronto looking to spend some time exploring during their layover can rent a car for about $49 per day.

  • Where are the least popular layover locations for Chicago O'Hare Intl Airport to Lisbon flights?

  • Can I find deals for flights from O'Hare Intl to Lisbon that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Lisbon.

  • Can I find deals for business class flights from O'Hare Intl to Lisbon?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Lisbon 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 Chicago O'Hare Intl Airport to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Lisbon (average of $612). Flying from Chicago O'Hare Intl Airport to Lisbon in June is currently the most expensive (average of $1,128). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Beja
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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Top 10 airlines flying from O'Hare Intl to Lisbon

Discover the top 10 airlines that operate flights from O'Hare Intl to Lisbon. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$411Average$659FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$444Average$561FlexibilityNo cancel feeOn-time76%
FinnairCheapest$463Average$731FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$484Average$817FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$490Average$702FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$494Average$690FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$511Average$758FlexibilityNo cancel feeOn-time71%
SWISSCheapest$517Average$740FlexibilityNo cancel feeOn-time79%
KLMCheapest$527Average$637FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$537Average$765FlexibilityNo cancel feeOn-time70%

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