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$334+ Cheap flights from Lisbon (LIS) to Illinois

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Lisbon to Illinois

Cheapest flights from Lisbon to Illinois
Explore the most affordable flight options available from Lisbon to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com 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
Sun 11/307:20 pmORD - LIS
1 stop14h 45mScandinavian Airlines
Deal found 10/29$483
This Scandinavian Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/144:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Fri 4/247:15 pmORD - LIS
1 stop14h 20mScandinavian Airlines
Deal found 10/27$557
This Booking.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/410:50 amLIS - ORD
1 stop13h 05mAer Lingus
Sat 12/137:40 pmORD - LIS
1 stop16h 35mAer Lingus
Deal found 10/26$584
This Aer Lingus deal was found by Cheapflights users on 10/27. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1210:50 amLIS - ORD
1 stop13h 05mAer Lingus
Thu 1/13:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 10/27$603
This Scandinavian Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/144:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Mon 4/207:15 pmORD - LIS
1 stop14h 20mScandinavian Airlines
Deal found 10/27$609
This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:50 amLIS - ORD
1 stop13h 05mAer Lingus
Wed 12/33:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 10/27$614
This Scandinavian Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 12/136:55 pmLIS - ORD
1 stop27h 50mScandinavian Airlines
Fri 4/247:15 pmORD - LIS
1 stop14h 20mScandinavian Airlines
Deal found 10/27$615
This Flightnetwork deal was found by Cheapflights users on 10/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:50 amLIS - ORD
1 stop13h 05mAer Lingus
Wed 11/193:50 pmORD - LIS
1 stop12h 20mAer Lingus
Deal found 10/27$643
This oojo deal was found by Cheapflights users on 10/27. 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 oojo 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 10/27$646
This Trip.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/124:55 pmLIS - ORD
1 stop29h 50mScandinavian Airlines
Sun 11/167:20 pmORD - LIS
1 stop15h 10mScandinavian Airlines
Deal found 10/27$652
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:00 amLIS - MDW
2 stops33h 01mMultiple Airlines
Thu 12/117:44 amMDW - LIS
1 stop20h 11mMultiple Airlines
Deal found 10/28$774
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:00 amLIS - MDW
2 stops19h 25mDelta
Mon 11/101:15 pmMDW - LIS
2 stops16h 05mDelta
Deal found 10/28$792

Cheap flight deals from Lisbon to Illinois

Keep the following information in mind while searching for Lisbon to Illinois flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$463
(Scandinavian Airlines)

One-way from

$334
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$798

Good one-way deal

$635 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.
Search Deals
From Lisbon Humberto Delgado to Illinois
Search Deals
One-way flight from Lisbon Humberto Delgado to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way flight from Lisbon Humberto Delgado to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Illinois 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 October 29, 2025.
Use the filters below to find and compare flights from Lisbon to Illinois that are best for you.

Fly from

Lisbon

Fly to

Illinois

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Tue 4/14

4:25 pm-4:10 pm

1 stop29h 45m

Chicago O'Hare Intl

Mon 4/27

7:15 pm-3:35 pm

1 stop14h 20m

$516

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-5:55 pm

2 stops40h 35m

$535

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 12/12

10:50 am-5:55 pm

1 stop13h 05m

Chicago O'Hare Intl

Thu 1/1

3:50 pm-10:10 am

1 stop12h 20m

$603

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 12/13

6:55 pm-4:45 pm

1 stop27h 50m

Chicago O'Hare Intl

Fri 4/24

7:15 pm-3:35 pm

1 stop14h 20m

$615

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 11/12

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sun 11/16

7:20 pm-4:30 pm

1 stop15h 10m

$652

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 4/18

7:15 am-4:10 pm

1 stop14h 55m

Chicago O'Hare Intl

Fri 5/1

7:15 pm-3:35 pm

1 stop14h 20m

$655

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 12/17

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Mon 4/20

7:15 pm-3:35 pm

1 stop14h 20m

$656

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 12/14

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sat 4/25

7:15 pm-9:00 am

1 stop31h 45m

$667

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Thu 4/16

12:10 pm-4:10 pm

1 stop34h 00m

Chicago O'Hare Intl

Fri 4/24

7:15 pm-3:35 pm

1 stop14h 20m

$713

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sat 12/13

6:55 pm-4:45 pm

1 stop27h 50m

Chicago O'Hare Intl

Sat 4/25

7:15 pm-9:00 am

1 stop31h 45m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 53 results
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Best time to book a flight from Lisbon to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

Currently, November is the cheapest month in which you can book a flight from Lisbon to Illinois (average of $514). Flying from Lisbon to Illinois 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 IL?

Find hourly flight availability from Lisbon to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 53% on flights from Lisbon to Illinois by exploring options for tickets in the evening.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 29, 2025.
Get a feel of what it's like to fly with KLM, United Airlines, and American Airlines from Lisbon to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,001 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,030 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,361 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
TAP AIR PORTUGAL
7.1
Good
2,035 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

    Most people fly from Lisbon Humberto Delgado (LIS) if they book a flight from Lisbon to Illinois. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.

  • How long is the flight from Lisbon to Illinois?

    There are many flights that can get you from Lisbon to Illinois in 13h 05m. Fly via Scandinavian Airlines, Aer Lingus, or Delta to get the fastest option. The distance from Lisbon to Illinois is about 3996 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Lisbon to Illinois?

    The most popular route from Lisbon to Illinois is Lisbon Humberto Delgado - Chicago O'Hare Intl. You may also consider Lisbon Humberto Delgado - Chicago Midway or Lisbon Humberto Delgado - Lambert-St Louis.

  • What are the cheapest flights from Lisbon to Illinois?

    While on average a flight from Lisbon to Illinois is generally $809, our data shows the cheapest flight currently is $559. When looking at the most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), you can expect to pay $500 for that flight.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Lisbon to Illinois (average of $514). Flying from Lisbon to Illinois 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

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Alternative routes for Lisbon to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Porto to Orlando flights
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Porto to Los Angeles flights
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Ponta Delgada to LaGuardia flights
Lisbon to Portland flights
Lisbon to Hobby flights
Lisbon to Charlotte flights
Lisbon to George Bush Intcntl flights
Lisbon to Tampa flights
Lisbon to Atlanta flights
Porto to O'Hare Intl flights
Lisbon to Raleigh flights
Lisbon to St. Louis flights
Lisbon to Austin flights

Top 5 airlines flying from Lisbon to Illinois

Discover the top 5 airlines that operate flights from Lisbon to Illinois. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$579Average$742FlexibilityNo 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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