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$324+ Cheap flights from Lisbon (LIS) to Chicago (CHI)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — CHI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Chicago are usually found in February or March, booked 70 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Lisbon to Chicago

Cheapest flights from Lisbon to Chicago
Explore the most affordable flight options available from Lisbon to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/265:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Wed 1/711:15 amORD - LIS
2 stops14h 55mUnited Airlines
Deal found 12/10$802
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Fri 12/265:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Thu 1/11:24 pmORD - LIS
1 stop14h 51mUnited Airlines
Deal found 12/9$806
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/276:10 amLIS - ORD
1 stop14h 00mUnited Airlines
Wed 12/3111:15 amORD - LIS
1 stop17h 00mUnited Airlines
Deal found 12/11$815
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 amLIS - MDW
2 stops17h 56mDelta
Wed 1/76:14 pmMDW - LIS
2 stops17h 16mDelta
Deal found 12/10$826
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:30 amLIS - ORD
1 stop15h 40mDelta
Wed 12/319:41 amORD - LIS
2 stops19h 39mDelta
Deal found 12/11$828
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 amLIS - ORD
1 stop14h 25mAmerican Airlines
Thu 1/13:24 pmORD - LIS
2 stops11h 41mAmerican Airlines
Deal found 12/11$837
This Virgin Atlantic deal was found by Cheapflights users on 12/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:15 amLIS - ORD
2 stops15h 21mVirgin Atlantic
Wed 12/318:00 amORD - LIS
2 stops18h 00mVirgin Atlantic
Deal found 12/11$848
This Mytrip deal was found by Cheapflights users on 12/10. 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 12/269:40 pmLIS - ORD
2 stops25h 25mMultiple Airlines
Wed 1/79:34 amORD - LIS
3 stops25h 11mMultiple Airlines
Deal found 12/10$850
This Air Canada deal was found by Cheapflights users on 12/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:20 amLIS - ORD
2 stops26h 45mAir Canada
Thu 1/112:50 pmORD - LIS
1 stop14h 30mAir Canada
Deal found 12/10$858
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 amLIS - MDW
2 stops17h 56mDelta
Thu 1/19:29 amMDW - LIS
2 stops19h 51mDelta
Deal found 12/11$890
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:00 amLIS - MDW
2 stops18h 26mDelta
Wed 12/319:29 amMDW - LIS
2 stops19h 51mDelta
Deal found 12/11$1,147
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Mon 12/295:30 pmLIS - MDW
1 stop22h 35mMultiple Airlines
Tue 1/271:20 pmMDW - LIS
2 stops16h 20mMultiple Airlines
Deal found 12/10$1,382

Find flight deals from Lisbon to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Chicago (CHI). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$437
(Flightnetwork)

One-way from

$324
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$778

Good round-trip deal

$529 or less

Good one-way deal

$548 or less
Provider with most accurate pricing for Lisbon Humberto Delgado-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago (CHI) flights.
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From Lisbon Humberto Delgado to Chicago (CHI)
Search Deals
One-way flight from Lisbon Humberto Delgado to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Lisbon Humberto Delgado to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Lisbon Humberto Delgado to Chicago (CHI).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Chicago 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 December 12, 2025.
Use the filters below to find and compare flights from Lisbon to Chicago that are best for you.

Fly from

Lisbon

Fly to

Chicago

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 1/21

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sun 1/25

7:10 pm-4:05 pm

1 stop14h 55m

$438

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 1/25

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sun 2/8

7:10 pm-4:05 pm

1 stop14h 55m

$492

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 1/23

4:40 pm-4:45 pm

1 stop30h 05m

Chicago O'Hare Intl

Fri 1/30

7:10 pm-4:25 pm

2 stops39h 15m

$514

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 1/25

2:50 pm-4:45 pm

2 stops31h 55m

Chicago O'Hare Intl

Sun 2/1

7:10 pm-9:15 pm

2 stops20h 05m

$578

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 1/25

11:35 am-8:18 am

2 stops26h 43m

Chicago O'Hare Intl

Sun 2/8

6:30 pm-8:25 pm

2 stops19h 55m

$653

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 1/7

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Thu 1/29

7:10 pm-3:50 pm

1 stop14h 40m

$673

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 1/30

6:55 am-9:35 pm

2 stops20h 40m

Chicago O'Hare Intl

Sun 2/15

7:10 pm-5:55 pm

2 stops16h 45m

$685

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Fri 1/30

5:00 am-5:55 pm

2 stops18h 55m

Chicago Midway

Sun 2/15

9:34 am-11:20 am

2 stops19h 46m

$780

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Wed 1/21

5:00 am-5:55 pm

2 stops18h 55m

Chicago Midway

Sun 1/25

1:26 pm-11:20 am

2 stops15h 54m

$781

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Sun 1/25

5:00 am-6:36 pm

2 stops19h 36m

Chicago Midway

Sun 2/8

1:26 pm-11:20 am

2 stops15h 54m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 30 results
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Compare providers for flights from Lisbon to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Chicago in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Chicago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Chicago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Chicago flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Lisbon 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 Lisbon to Chicago

How far ahead should I book a flight from Lisbon to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Chicago. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Lisbon to Chicago, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Lisbon to Chicago?

Currently, November is the cheapest month in which you can book a flight from Lisbon to Chicago (average of $517). Flying from Lisbon to Chicago 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 LIS to CHI?

Find hourly flight availability from Lisbon to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Lisbon to Chicago in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the morning.

How often are flights from Lisbon to Chicago delayed?

About 23% of weekly flights between Lisbon and Chicago have experienced delays in the past year, with the average delay time being 135 minutes.

What is the most punctual flight time for Lisbon to Chicago 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.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Lisbon to Chicago flights?

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 23% of flights being delayed.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Lisbon to Chicago, such as American Airlines, Aer Lingus, and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,049 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Aer Lingus
7.2
Good
1,394 reviews
American Airlines
7.2
Good
11,049 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
TAP AIR PORTUGAL
7.1
Good
2,089 reviews
American Airlines
7.2
Good
11,049 reviews

Food

6.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Chicago. 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 from for flights from Lisbon to Chicago?

    Lisbon Humberto Delgado (LIS) is the airport you will fly out of if you book a flight from Lisbon to Chicago. You should not have trouble finding flights to Chicago from Humberto Delgado; the airport handles an average of 0 outbound flights to Chicago per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Lisbon airport to Chicago. It is only a 4.2 mi journey to Humberto Delgado (LIS) from Lisbon’s city center.

  • How long is the flight from Lisbon to Chicago?

    For as low as $780, Scandinavian Airlines can have you in Chicago from Lisbon in 18h 55m. The distance from Lisbon to Chicago is about 3994 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Lisbon to Chicago round-trip?

    Currently priced at $580, TAP AIR PORTUGAL will fly you from Lisbon to Chicago and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $650 and $653, respectively. TAP AIR PORTUGAL is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Lisbon to Chicago one-way?

    The cheapest airlines for a one-way flight from Lisbon to Chicago are Finnair ($401), American Airlines ($495), and Aer Lingus ($523).

  • What are the cheapest flights from Lisbon to Chicago?

    The cheapest flight price from Lisbon to Chicago is $529. On average you can expect to pay $761. The most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), can usually be booked for $438.

  • Can I find deals for flights from Lisbon to Chicago that include hotel bookings?

    Yes. In addition to deals on Lisbon to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to Chicago?

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

  • Can I find deals for business class flights from Lisbon to Chicago?

    Yes. Cheapflights offers flight deals from Lisbon to Chicago 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 Lisbon to Chicago?

    Currently, November is the cheapest month in which you can book a flight from Lisbon to Chicago (average of $517). Flying from Lisbon to Chicago 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?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

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Alternative routes for Lisbon to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to O'Hare Intl flights
Porto to O'Hare Intl flights
Lisbon to St. Louis flights
Faro to O'Hare Intl flights
Porto to St. Louis flights

Top 5 airlines flying from Lisbon to Chicago

Discover the top 5 airlines that operate flights from Lisbon to Chicago. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$580Average$1,205FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$650Average$696FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$653Average$740FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$669Average$768FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$734Average$886FlexibilityNo cancel feeOn-time69%

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