Lisbon

$220+ Cheap flights from Illinois to Lisbon (LIS)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Dec 3 — Dec 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Lisbon 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.

Find flight deals from Illinois to Lisbon

Cheapest flights from Illinois to Lisbon
Explore the most affordable flight options available from Illinois to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 12/13:07 pmORD - LIS
2 stops13h 08mUnited Airlines
Tue 1/275:00 amLIS - ORD
1 stop14h 10mUnited Airlines
Deal found 10/31$487
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/148:15 pmORD - LIS
Nonstop8h 00mTAP AIR PORTUGAL
Wed 11/1911:25 amLIS - ORD
Nonstop9h 35mTAP AIR PORTUGAL
Deal found 11/2$488
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sun 11/3012:59 pmORD - LIS
2 stops14h 21mUnited Airlines
Tue 1/275:00 amLIS - ORD
1 stop16h 20mUnited Airlines
Deal found 10/31$489
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:00 pmORD - LIS
2 stops17h 20mMultiple Airlines
Wed 11/265:00 amLIS - ORD
1 stop14h 10mMultiple Airlines
Deal found 11/2$490
This Air Canada deal was found by Cheapflights users on 10/31. 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.
Sat 11/296:05 pmORD - LIS
2 stops33h 15mAir Canada
Thu 1/295:00 amLIS - ORD
2 stops18h 48mAir Canada
Deal found 10/31$491
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Fri 11/146:50 pmORD - LIS
1 stop34h 55mMultiple Airlines
Fri 11/215:00 amLIS - ORD
2 stops19h 19mMultiple Airlines
Deal found 11/1$492
This KAYAK deal was found by Cheapflights users on 10/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:30 pmORD - LIS
2 stops39h 35mScandinavian Airlines
Sun 2/17:00 amLIS - ORD
2 stops39h 45mScandinavian Airlines
Deal found 10/31$493
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:50 pmORD - LIS
1 stop19h 40mLufthansa
Wed 11/195:00 amLIS - ORD
2 stops19h 19mLufthansa
Deal found 11/3$494
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/23:07 pmORD - LIS
1 stop11h 03mUnited Airlines
Tue 11/115:00 amLIS - ORD
1 stop36h 10mUnited Airlines
Deal found 11/1$495
This KLM deal was found by Cheapflights users on 11/2. 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.
Tue 11/112:35 pmORD - LIS
2 stops14h 45mAir France
Wed 11/195:30 amLIS - ORD
1 stop15h 40mAir France
Deal found 11/2$496
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:35 pmORD - LIS
1 stop18h 15mLufthansa
Fri 12/55:00 amLIS - ORD
1 stop14h 10mLufthansa
Deal found 11/1$497
This Air Canada deal was found by Cheapflights users on 11/1. 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.
Tue 12/97:20 amORD - LIS
2 stops20h 00mAir Canada
Wed 12/1711:00 amLIS - ORD
2 stops27h 05mAir Canada
Deal found 11/1$498

Cheap flight deals from Illinois to Lisbon

Keep the following information in mind while searching for Illinois to Lisbon flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$487
(United Airlines)

One-way from

$220
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$645

Good round-trip deal

$408 or less

Good one-way deal

$321 or less
Provider with most accurate pricing for Chicago (CHI)-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Lisbon Humberto Delgado flights.
From Illinois to Lisbon Humberto Delgado
One-way flight from Illinois to Lisbon Humberto Delgado
Highest demand for flights based on searches. 17% potential increase in price ($153 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 November 2025
Price to beat on a round-trip flight from Illinois to Lisbon Humberto Delgado.
Price to beat on a one-way flight from Illinois to Lisbon Humberto Delgado.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Lisbon 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 November 3, 2025.
Use the filters below to find and compare flights from Illinois to Lisbon that are best for you.

Fly from

Illinois

Fly to

Lisbon

Route

Depart

Return

Price

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 2/25

10:11 am-11:20 am

2 stops19h 09m

Lisbon Humberto Delgado

Tue 3/3

11:25 am-2:20 pm

1 stop32h 55m

$490

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 2/22

2:03 pm-11:20 am

2 stops15h 17m

Lisbon Humberto Delgado

Thu 3/5

11:25 am-2:20 pm

1 stop32h 55m

$490

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 2/23

10:35 am-8:00 am

2 stops15h 25m

Lisbon Humberto Delgado

Thu 3/5

11:25 am-2:20 pm

1 stop32h 55m

$491

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 2/23

10:45 am-8:00 am

2 stops15h 15m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-2:20 pm

1 stop15h 20m

$491

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 3/11

6:20 pm-5:30 pm

1 stop18h 10m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-9:56 pm

2 stops21h 56m

$495

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 2/1

5:27 pm-3:10 pm

2 stops15h 43m

Lisbon Humberto Delgado

Tue 3/31

5:00 am-6:10 pm

2 stops19h 10m

$500

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 12/2

10:49 am-8:00 am

2 stops15h 11m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-4:34 pm

2 stops17h 34m

$501

BloomingtonLisbon

BMI - LIS

BMILIS

Bloomington-Normal

Wed 12/3

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Sun 12/7

11:25 am-2:49 pm

2 stops33h 24m

$501

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 12/3

4:32 pm-8:40 am

1 stop10h 08m

Lisbon Humberto Delgado

Sun 12/7

5:30 am-9:02 pm

2 stops21h 32m

$502

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 1/9

9:54 am-8:50 am

1 stop16h 56m

Lisbon Humberto Delgado

Mon 1/19

8:45 pm-2:55 pm

1 stop24h 10m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Illinois to Lisbon

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $438). Flying from Illinois to Lisbon in June is currently the most expensive (average of $745). 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 IL to LIS?

Find hourly flight availability from Illinois to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 32% on flights from Illinois to Lisbon by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Illinois to Lisbon. Price data was last updated on November 3, 2024.

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

Related info for your journey

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

    If you book a flight to Lisbon from Illinois, you will be flying to Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon.

  • How long is the flight from Illinois to Lisbon?

    There are many flights that can get you from Illinois to Lisbon in 15h 11m. Fly via Delta, KLM, or Lufthansa to get the fastest option. The distance from Illinois to Lisbon 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 most popular routes from Illinois to Lisbon?

  • What are the cheapest flights from Illinois to Lisbon?

    Looking at all options, your cheapest flight can be booked for $183. While the most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado) can be booked for $370 on average, our data indicates $979 when flying from Illinois to Lisbon.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $438). Flying from Illinois to Lisbon in June is currently the most expensive (average of $745). 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
Sintra
Fátima
Oeiras
Ericeira
Nazaré
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

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.

Alternative routes for Illinois to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Illinois to Lisbon

Discover the top 10 airlines that operate flights from Illinois to Lisbon. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$369Average$472FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$425Average$564FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$441Average$778FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$470Average$648FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$484Average$848FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$496Average$685FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$497Average$702FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$510Average$760FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$537Average$897FlexibilityNo cancel feeOn-time69%
KLMCheapest$538Average$624FlexibilityNo cancel feeOn-time75%

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.