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$341+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — CHI
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Chicago are usually found in February or November, booked 33 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap 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 April 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$667
(United Airlines)

One-way from

$341
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$839

Good one-way deal

$628 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 Lisbon Humberto Delgado to Chicago (CHI)
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One-way flight from Lisbon Humberto Delgado to Chicago (CHI)
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Highest demand for flights based on searches. 12% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a one-way flight from Lisbon Humberto Delgado to Chicago (CHI).
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Find 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 April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 6/612:55 pmLIS - ORD
2 stops53h 01mUnited Airlines
Sun 6/84:00 pmORD - LIS
1 stop10h 20mUnited Airlines
Deal found 4/29$667
This lastminute.com deal was found by Cheapflights users on 4/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/710:15 pmLIS - ORD
1 stop21h 45mAer Lingus
Fri 6/209:15 pmORD - LIS
1 stop18h 20mAer Lingus
Deal found 4/28$668
This Delta deal was found by Cheapflights users on 4/29. 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 6/135:00 amLIS - ORD
1 stop15h 10mDelta
Fri 6/206:27 pmORD - LIS
2 stops17h 23mDelta
Deal found 4/29$676
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/283:35 pmLIS - ORD
1 stop28h 35mKLM
Tue 6/32:15 pmORD - LIS
1 stop14h 30mKLM
Deal found 4/29$683
This Delta deal was found by Cheapflights users on 4/29. 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.
Thu 5/295:00 amLIS - MDW
2 stops19h 45mDelta
Tue 6/36:25 pmMDW - LIS
2 stops18h 15mDelta
Deal found 4/29$687
This Virgin Atlantic deal was found by Cheapflights users on 4/29. 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.
Fri 6/610:00 amLIS - ORD
1 stop17h 31mVirgin Atlantic
Sun 6/87:00 amORD - LIS
1 stop21h 45mVirgin Atlantic
Deal found 4/29$702
This Iberia deal was found by Cheapflights users on 4/29. 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.
Tue 10/710:05 pmLIS - ORD
1 stop21h 25mIberia
Tue 10/285:45 pmORD - LIS
1 stop21h 20mIberia
Deal found 4/29$744
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Wed 6/48:05 pmLIS - ORD
3 stops31h 10mMultiple Airlines
Wed 6/257:25 pmORD - LIS
3 stops21h 00mMultiple Airlines
Deal found 4/28$755
This lol.travel deal was found by Cheapflights users on 4/29. 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.
Fri 6/611:25 amLIS - ORD
2 stops14h 05mAir Canada
Thu 6/196:30 pmORD - LIS
1 stop10h 35mAir Canada
Deal found 4/29$764
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/65:55 amLIS - ORD
1 stop16h 00mSWISS
Thu 6/197:05 pmORD - LIS
1 stop16h 15mSWISS
Deal found 4/28$775
This lol.travel deal was found by Cheapflights users on 4/28. 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.
Mon 7/215:55 amLIS - ORD
1 stop22h 05mTurkish Airlines
Sat 7/2611:25 amORD - LIS
1 stop30h 10mTurkish Airlines
Deal found 4/28$810
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/66:35 amLIS - ORD
1 stop18h 15mAmerican Airlines
Thu 6/197:01 amORD - LIS
1 stop20h 04mAmerican Airlines
Deal found 4/28$839

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 April 30, 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

Fri 6/6

12:55 pm-11:56 am

2 stops53h 01m

Chicago O'Hare Intl

Sun 6/8

4:00 pm-8:20 am

1 stop10h 20m

$667

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 6/7

10:15 pm-2:00 pm

1 stop21h 45m

Chicago O'Hare Intl

Fri 6/20

9:15 pm-9:35 pm

1 stop18h 20m

$668

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 6/13

5:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Fri 6/20

6:27 pm-5:50 pm

2 stops17h 23m

$676

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 5/28

3:35 pm-2:10 pm

1 stop28h 35m

Chicago O'Hare Intl

Tue 6/3

2:15 pm-10:45 am

1 stop14h 30m

$683

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 5/29

5:00 am-6:45 pm

2 stops19h 45m

Chicago Midway

Tue 6/3

6:25 pm-6:40 pm

2 stops18h 15m

$687

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 6/6

10:00 am-9:31 pm

1 stop17h 31m

Chicago O'Hare Intl

Sun 6/8

7:00 am-10:45 am

1 stop21h 45m

$702

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 10/7

10:05 pm-1:30 pm

1 stop21h 25m

Chicago O'Hare Intl

Tue 10/28

5:45 pm-8:05 pm

1 stop21h 20m

$744

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 6/4

8:05 pm-9:15 pm

3 stops31h 10m

Chicago O'Hare Intl

Wed 6/25

7:25 pm-10:25 pm

3 stops21h 00m

$755

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 6/6

11:25 am-7:30 pm

2 stops14h 05m

Chicago O'Hare Intl

Thu 6/19

6:30 pm-11:05 am

1 stop10h 35m

$764

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 6/6

5:55 am-3:55 pm

1 stop16h 00m

Chicago O'Hare Intl

Thu 6/19

7:05 pm-5:20 pm

1 stop16h 15m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 34 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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Lisbon to Chicago, you should look to book at least 33 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, August is the cheapest month in which you can book a flight from Lisbon to Chicago (average of $245). Flying from Lisbon to Chicago in March is currently the most expensive (average of $321). 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 April 30, 2025.

It’s optimal to fly from Lisbon to Chicago in the afternoon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 30, 2025.
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 4 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.

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

    Currently priced at $667, United Airlines will fly you from Lisbon to Chicago and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Aer Lingus and Delta - these airlines can fly you to your destination from $668 and $676, respectively. United Airlines is 18% 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 TAP AIR PORTUGAL ($526), Aer Lingus ($536), and Turkish Airlines ($611).

  • What are the cheapest flights from Lisbon to Chicago?

    The cheapest flight price from Lisbon to Chicago is $576. On average you can expect to pay $1,219. The most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), can usually be booked for $668.

  • 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, August is the cheapest month in which you can book a flight from Lisbon to Chicago (average of $245). Flying from Lisbon to Chicago in March is currently the most expensive (average of $321). 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
Merrillville
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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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
Faro to O'Hare Intl flights
Lisbon to St. Louis flights
Porto to St. Louis flights

Top 4 airlines flying from Lisbon to Chicago

Discover the top 4 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$579Average$713FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$580Average$1,005FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$650Average$696FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$733Average$898FlexibilityNo cancel feeOn-time69%

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