Illinois

$341+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
May 4 — May 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lisbon to Illinois with Cheapflights

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 29, 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.
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Chicago (CHI) flights.
From Lisbon Humberto Delgado to Illinois
One-way flight from Lisbon Humberto Delgado to Illinois
Highest demand for flights based on searches. 12% potential increase in price ($119 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a one-way flight from Lisbon Humberto Delgado to Illinois.

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 April 29, 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 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.
Mon 5/511:05 amLIS - STL
1 stop15h 53mAmerican Airlines
Mon 5/196:00 amSTL - LIS
1 stop21h 05mAmerican Airlines
Deal found 4/28$767
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:00 amLIS - STL
2 stops21h 49mDelta
Mon 6/25:45 pmSTL - LIS
2 stops18h 55mDelta
Deal found 4/28$792

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 April 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

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 49 results
1
2
3
...
5

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, August is the cheapest month in which you can book a flight from Lisbon to Illinois (average of $245). Flying from Lisbon to Illinois 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 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 April 29, 2025.

When flying from Lisbon to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 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 April 29, 2025.
Read through reviews of airlines operating flights from Lisbon to Illinois, such as Delta, KLM and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8.0
Very good
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

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 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.

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

    The cheapest airlines for a one-way flight from Lisbon to Illinois are TAP AIR PORTUGAL ($526), Aer Lingus ($536), and Turkish Airlines ($611).

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

  • What are the cheapest flights from Lisbon to Illinois?

    While on average a flight from Lisbon to Illinois is generally $1,219, our data shows the cheapest flight currently is $576. When looking at the most popular route, (Lisbon Humberto Delgado - Chicago O'Hare Intl), you can expect to pay $668 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, August is the cheapest month in which you can book a flight from Lisbon to Illinois (average of $245). Flying from Lisbon to Illinois 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Lisbon to Illinois

Discover the top 4 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 April 29, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.