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

Currently priced at $394, Scandinavian Airlines will fly you from Lisbon to Chicago and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from TAP AIR PORTUGAL and Delta - these airlines can fly you to your destination from $493 and $517, respectively. Scandinavian Airlines is 51% 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 Aer Lingus ($563), Icelandair ($580), and TAP AIR PORTUGAL ($594).

What is the cheapest day to fly from Lisbon to Chicago?

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

What are the cheapest flights from Lisbon to Chicago?

The cheapest flight price from Lisbon to Chicago is $562. On average you can expect to pay $1,530. The most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), can usually be booked for $493.

What are the most popular airlines that fly from Lisbon to Chicago?

When booking a flight from Lisbon to Chicago, you may want to consider flying on Delta, Aer Lingus or TAP AIR PORTUGAL as they are the most popular for this route.

What is the cheapest day to fly round-trip from Lisbon to Chicago?

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Chicago. Check prices with Cheapflights to find a great deal for your trip.

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

Users have found that booking a flight from Lisbon to Chicago at least 34 days early can save you up to 41% on average compared to booking a flight this week. If booking 34 days before your flight isn’t an option for you, users have found flights from Lisbon to Chicago for as little as $596 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $839 for flights departing within the next 3 days.

What is the cheapest month to fly from Lisbon to Chicago?

February can be a great time to fly to Chicago from Lisbon with a flight ticket averaging about $813. Cheapflights users have found deals in the month of February for as cheap as $596. The most expensive prices can be found in the month of July.

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.

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.

$394+ Flights from Lisbon to Chicago

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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

Cheap flight deals from Lisbon to Chicago

Round-trip from	$394 (oojo)
Popular in	July
Cheapest in	February
Average price	$750
Good round-trip deal	$757 or less
Good one-way deal	$666 or less

From Lisbon Humberto Delgado to Chicago (CHI)

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($96 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 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

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 June 12, 2025.

Wed 11/264:55 pmLIS - ORD

1 stop29h 50mScandinavian Airlines

Sun 11/307:20 pmORD - LIS

1 stop14h 45mScandinavian Airlines

Deal found 6/12

$394

Thu 10/29:20 amLIS - ORD

Nonstop9h 15mTAP AIR PORTUGAL

Thu 10/166:00 pmORD - LIS

Nonstop8h 00mTAP AIR PORTUGAL

Deal found 6/11

$493

Thu 10/27:30 pmLIS - ORD

1 stop24h 40mMultiple Airlines

Thu 11/135:20 pmORD - LIS

1 stop18h 10mMultiple Airlines

Deal found 6/10

$512

Sat 11/155:00 amLIS - ORD

1 stop15h 30mDelta

Wed 12/31:30 pmORD - LIS

1 stop12h 30mDelta

Deal found 6/10

$517

Mon 11/35:30 amLIS - ORD

1 stop15h 40mAir France

Mon 11/105:20 pmORD - LIS

1 stop15h 50mAir France

Deal found 6/10

$518

Thu 10/211:40 amLIS - ORD

1 stop32h 30mKLM

Thu 10/164:20 pmORD - LIS

1 stop12h 35mKLM

Deal found 6/11

$519

Tue 10/75:00 amLIS - MDW

2 stops19h 36mDelta

Mon 10/205:59 pmMDW - LIS

2 stops17h 51mDelta

Deal found 6/11

$519

Thu 10/211:25 amLIS - ORD

1 stop13h 35mAer Lingus

Thu 10/169:15 pmORD - LIS

1 stop18h 20mAer Lingus

Deal found 6/12

$565

Wed 9/2410:10 pmLIS - ORD

1 stop21h 20mIberia

Fri 10/104:30 pmORD - LIS

1 stop13h 20mIberia

Deal found 6/11

$655

Tue 10/712:30 pmLIS - ORD

1 stop11h 45mAmerican Airlines

Mon 10/205:45 pmORD - LIS

1 stop13h 00mAmerican Airlines

Deal found 6/11

$665

Thu 10/212:45 pmLIS - ORD

2 stops17h 08mVirgin Atlantic

Thu 11/139:30 amORD - LIS

2 stops17h 30mVirgin Atlantic

Deal found 6/10

$687

Mon 11/311:05 amLIS - ORD

1 stop34h 05mBritish Airways

Sun 11/94:34 pmORD - LIS

2 stops16h 16mBritish Airways

Deal found 6/10

$708

Best flights from Lisbon to Chicago
Discover carefully curated flight deals from Lisbon to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 11/264:55 pmLIS - ORD

1 stop29h 50mScandinavian Airlines

Sun 11/307:20 pmORD - LIS

1 stop14h 45mScandinavian Airlines

Deal found 6/12

$394

Thu 10/29:20 amLIS - ORD

Nonstop9h 15mTAP AIR PORTUGAL

Thu 10/166:00 pmORD - LIS

Nonstop8h 00mTAP AIR PORTUGAL

Deal found 6/11

$493

Thu 10/27:30 pmLIS - ORD

1 stop24h 40mMultiple Airlines

Thu 11/135:20 pmORD - LIS

1 stop18h 10mMultiple Airlines

Deal found 6/10

$512

Sat 11/155:00 amLIS - ORD

1 stop15h 30mDelta

Wed 12/31:30 pmORD - LIS

1 stop12h 30mDelta

Deal found 6/10

$517

Mon 11/35:30 amLIS - ORD

1 stop15h 40mAir France

Mon 11/105:20 pmORD - LIS

1 stop15h 50mAir France

Deal found 6/10

$518

Thu 10/211:40 amLIS - ORD

1 stop32h 30mKLM

Thu 10/164:20 pmORD - LIS

1 stop12h 35mKLM

Deal found 6/11

$519

Wed 9/2410:10 pmLIS - ORD

1 stop21h 20mIberia

Fri 10/104:30 pmORD - LIS

1 stop13h 20mIberia

Deal found 6/11

$655

Tue 10/712:30 pmLIS - ORD

1 stop11h 45mAmerican Airlines

Mon 10/205:45 pmORD - LIS

1 stop13h 00mAmerican Airlines

Deal found 6/11

$665

Thu 10/212:45 pmLIS - ORD

2 stops17h 08mVirgin Atlantic

Thu 11/139:30 amORD - LIS

2 stops17h 30mVirgin Atlantic

Deal found 6/10

$687

Mon 11/311:05 amLIS - ORD

1 stop34h 05mBritish Airways

Sun 11/94:34 pmORD - LIS

2 stops16h 16mBritish Airways

Deal found 6/10

$708

Wed 9/246:45 amLIS - ORD

2 stops18h 44mAir Canada

Sat 10/113:35 pmORD - LIS

2 stops13h 30mAir Canada

Deal found 6/11

$781

Tue 7/810:15 pmLIS - ORD

1 stop21h 45mAer Lingus

Tue 7/159:15 pmORD - LIS

1 stop18h 20mAer Lingus

Deal found 6/10

$831

Last-minute flights from Lisbon to Chicago
Discover last-minute flight deals from Lisbon to Chicago. Data last updated June 12, 2025 and is based on user searches.

Thu 6/1212:45 pmLIS - ORD

1 stop15h 20mVirgin Atlantic

Sun 6/157:00 amORD - LIS

1 stop21h 45mVirgin Atlantic

Deal found 6/12

$948

Thu 6/1212:55 pmLIS - ORD

1 stop31h 06mUnited Airlines

Sun 6/156:00 amORD - LIS

1 stop20h 20mUnited Airlines

Deal found 6/12

$962

Fri 6/135:00 amLIS - ORD

1 stop15h 10mKLM

Sun 6/224:20 pmORD - LIS

1 stop24h 30mKLM

Deal found 6/11

$901

Wed 6/187:20 amLIS - ORD

1 stop13h 25mMultiple Airlines

Sat 7/124:30 pmORD - LIS

1 stop13h 20mMultiple Airlines

Deal found 6/11

$690

Wed 6/185:00 amLIS - ORD

1 stop15h 10mDelta

Sat 7/122:00 pmORD - LIS

2 stops18h 50mDelta

Deal found 6/11

$784

Thu 6/196:35 amLIS - ORD

1 stop13h 40mAmerican Airlines

Sat 7/192:50 pmORD - LIS

2 stops12h 15mAmerican Airlines

Deal found 6/11

$732

Thu 6/198:50 amLIS - MDW

1 stop29h 55mMultiple Airlines

Sat 7/199:40 amMDW - LIS

1 stop14h 15mMultiple Airlines

Deal found 6/11

$984

Thu 6/192:55 pmLIS - ORD

Nonstop9h 15mTAP AIR PORTUGAL

Sat 7/196:15 pmORD - LIS

Nonstop8h 00mTAP AIR PORTUGAL

Deal found 6/11

$1,347

Sat 6/216:35 amLIS - ORD

1 stop13h 40mIberia

Mon 7/74:30 pmORD - LIS

1 stop24h 55mIberia

Deal found 6/11

$713

Sat 6/215:00 amLIS - MDW

2 stops19h 41mDelta

Mon 7/76:20 pmMDW - LIS

2 stops18h 20mDelta

Deal found 6/11

$795

Sun 6/2211:05 amLIS - ORD

1 stop12h 50mBritish Airways

Wed 6/254:54 pmORD - LIS

1 stop10h 11mBritish Airways

Deal found 6/11

$1,204

Sun 6/225:05 amLIS - ORD

1 stop13h 50mUnited Airlines

Wed 6/253:00 pmORD - LIS

1 stop13h 30mUnited Airlines

Deal found 6/10

$1,259

One-way flights from Lisbon to Chicago
Search for one-way flight options from Lisbon to Chicago. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Wed 11/1211:10 pmLIS - MDW

3 stops41h 10mMultiple Airlines

Deal found 6/12

$543

Mon 7/216:10 amLIS - ORD

3 stops43h 50mMultiple Airlines

Deal found 6/10

$555

Wed 8/2710:15 pmLIS - ORD

1 stop21h 45mAer Lingus

Deal found 6/10

$563

Wed 9/177:10 amLIS - ORD

2 stops20h 05mIcelandair

Deal found 6/11

$580

Mon 11/1711:35 amLIS - ORD

1 stop26h 19mTAP AIR PORTUGAL

Deal found 6/11

$594

Tue 7/155:55 amLIS - ORD

1 stop33h 45mTurkish Airlines

Deal found 6/10

$612

Sun 8/311:00 pmLIS - ORD

Nonstop9h 15mJetBlue

Deal found 6/10

$653

Tue 7/222:25 pmLIS - ORD

2 stops30h 45mLOT

Deal found 6/10

$669

Sat 8/96:35 amLIS - ORD

1 stop13h 40mFinnair

Deal found 6/10

$677

Fri 10/36:35 amLIS - ORD

2 stops15h 20mAmerican Airlines

Deal found 6/10

$686

Mon 11/175:00 amLIS - MDW

2 stops19h 36mDelta

Deal found 6/11

$713

Thu 7/178:15 amLIS - MDW

2 stops14h 09mAir Transat

Deal found 6/9

$826

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 11/26

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sun 11/30

7:20 pm-4:05 pm

1 stop14h 45m

$394

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 10/2

9:20 am-12:35 pm

Nonstop9h 15m

Chicago O'Hare Intl

Thu 10/16

6:00 pm-8:00 am

Nonstop8h 00m

$493

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 10/2

7:30 pm-2:10 pm

1 stop24h 40m

Chicago O'Hare Intl

Thu 11/13

5:20 pm-5:30 pm

1 stop18h 10m

$512

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 11/15

5:00 am-2:30 pm

1 stop15h 30m

Chicago O'Hare Intl

Wed 12/3

1:30 pm-8:00 am

1 stop12h 30m

$517

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 11/3

5:30 am-3:10 pm

1 stop15h 40m

Chicago O'Hare Intl

Mon 11/10

5:20 pm-3:10 pm

1 stop15h 50m

$518

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 10/2

11:40 am-2:10 pm

1 stop32h 30m

Chicago O'Hare Intl

Thu 10/16

4:20 pm-10:55 am

1 stop12h 35m

$519

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Tue 10/7

5:00 am-6:36 pm

2 stops19h 36m

Chicago Midway

Mon 10/20

5:59 pm-5:50 pm

2 stops17h 51m

$519

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 10/2

11:25 am-7:00 pm

1 stop13h 35m

Chicago O'Hare Intl

Thu 10/16

9:15 pm-9:35 pm

1 stop18h 20m

$565

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 9/24

10:10 pm-1:30 pm

1 stop21h 20m

Chicago O'Hare Intl

Fri 10/10

4:30 pm-11:50 am

1 stop13h 20m

$655

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 10/7

12:30 pm-6:15 pm

1 stop11h 45m

Chicago O'Hare Intl

Mon 10/20

5:45 pm-12:45 pm

1 stop13h 00m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 30 results

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?

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?

It’s optimal to fly from Lisbon to Chicago in the afternoon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the morning.

Rainfall in Chicago 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

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

Read through reviews of airlines operating flights from Lisbon to Chicago, such as Delta, KLM and Air Transat. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Transat

7.8

Good

396 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LOT

7.6

Good

1,077 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 $394, Scandinavian Airlines will fly you from Lisbon to Chicago and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from TAP AIR PORTUGAL and Delta - these airlines can fly you to your destination from $493 and $517, respectively. Scandinavian Airlines is 51% 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 Aer Lingus ($563), Icelandair ($580), and TAP AIR PORTUGAL ($594).
What are the cheapest flights from Lisbon to Chicago?
The cheapest flight price from Lisbon to Chicago is $562. On average you can expect to pay $1,530. The most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), can usually be booked for $493.
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

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Lansing

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Porter

Hammond

Valparaiso

Chesterton

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Top 4 airlines flying from Lisbon to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$579	Average$713	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$580	Average$1,145	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$650	Average$696	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$733	Average$886	FlexibilityNo cancel fee	On-time69%

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$394+ Cheap flights from Lisbon (LIS) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lisbon to Chicago with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

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

Cheap flight deals from Lisbon to Chicago

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Lisbon to Chicago

Cheapest flights from Lisbon to ChicagoExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to Chicago that are best for you.

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.

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 June 9, 2025.

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

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 June 12, 2025.

Rainfall in Chicago by month

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

Temperature in Chicago by month

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

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Lisbon to Chicago, such as Delta, KLM and Air Transat. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

What are the cheapest flights from Lisbon to Chicago?

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

How can I find direct flights from Lisbon to Chicago?

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

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

Traveling to a place near Lisbon?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 4 airlines flying from Lisbon to Chicago

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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 June 12, 2025.