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$255+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
ene. 25 — feb. 11
dom. 1/25
dom. 2/1
1 adult, Economy
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Cheap 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 diciembre 26, 2025.

This British Airways deal was found by Cheapflights users on 12/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/264:51 pmORD - LIS
1 stop9h 59mBritish Airways
lun. 1/126:35 pmLIS - ORD
1 stop25h 15mBritish Airways
Deal found 12/25$568
This KAYAK deal was found by Cheapflights users on 12/25. 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.
mié. 12/316:00 pmORD - LIS
1 stop23h 30mLufthansa
vie. 1/95:00 amLIS - ORD
2 stops18h 00mLufthansa
Deal found 12/25$579
This United Airlines deal was found by Cheapflights users on 12/25. 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.
mar. 12/302:30 pmORD - LIS
1 stop13h 45mUnited Airlines
sáb. 1/105:00 amLIS - ORD
1 stop36h 10mUnited Airlines
Deal found 12/25$611
This Expedia deal was found by Cheapflights users on 12/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/309:10 pmORD - LIS
2 stops29h 45mMultiple Airlines
sáb. 1/105:00 amLIS - ORD
1 stop36h 10mMultiple Airlines
Deal found 12/25$628
This Delta deal was found by Cheapflights users on 12/25. 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.
mié. 12/316:02 pmORD - LIS
2 stops15h 08mDelta
vie. 1/95:30 amLIS - ORD
2 stops18h 15mDelta
Deal found 12/25$641
This KLM deal was found by Cheapflights users on 12/25. 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.
mié. 12/3112:55 pmORD - LIS
1 stop13h 45mKLM
vie. 1/93:30 pmLIS - ORD
1 stop28h 50mKLM
Deal found 12/25$681
This oojo deal was found by Cheapflights users on 12/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/288:40 pmORD - LIS
1 stop19h 05mBritish Airways
jue. 1/812:55 pmLIS - ORD
2 stops37h 15mBritish Airways
Deal found 12/26$691
This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/288:40 pmORD - LIS
1 stop15h 05mAmerican Airlines
jue. 1/87:00 amLIS - ORD
1 stop16h 00mAmerican Airlines
Deal found 12/26$846
This KAYAK deal was found by Cheapflights users on 12/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:05 pmORD - LIS
2 stops33h 40mSWISS
jue. 1/83:25 pmLIS - ORD
2 stops52h 20mSWISS
Deal found 12/26$869
This Gotogate deal was found by Cheapflights users on 12/24. 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.
lun. 12/296:25 pmORD - LIS
1 stop22h 25mMultiple Airlines
mié. 1/79:50 amLIS - ORD
2 stops28h 15mMultiple Airlines
Deal found 12/24$885
This Ovago deal was found by Cheapflights users on 12/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/245:55 pmORD - LIS
1 stop12h 55mMultiple Airlines
mié. 12/315:00 amLIS - ORD
1 stop14h 10mMultiple Airlines
Deal found 12/23$929
This Delta deal was found by Cheapflights users on 12/25. 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.
mar. 12/306:08 pmMDW - LIS
2 stops15h 02mDelta
sáb. 1/105:00 amLIS - MDW
2 stops17h 29mDelta
Deal found 12/25$1,795

Find flight deals from Illinois to Lisbon

Keep the following information in mind while searching for Illinois to Lisbon flight deals. Data was last updated diciembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$464
(Mytrip)

One-way from

$255
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$886

Good round-trip deal

$468 or less

Good one-way deal

$384 or less
Provider with most accurate pricing for Chicago (CHI)-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Lisbon Humberto Delgado flights.
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From Illinois to Lisbon Humberto Delgado
Search Deals
One-way flight from Illinois to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Lisbon Humberto Delgado.
Search Deals
Price to beat on a one-way flight from Illinois to Lisbon Humberto Delgado.
Search Deals

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 diciembre 26, 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

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

lun. 2/23

8:30 am-10:15 am

1 stop19h 45m

Lisbon Humberto Delgado

mié. 3/4

5:00 am-1:55 pm

1 stop14h 55m

$484

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

mar. 2/24

12:15 pm-10:15 am

1 stop16h 00m

Lisbon Humberto Delgado

vie. 3/6

10:55 am-12:27 pm

2 stops31h 32m

$490

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

vie. 2/20

6:25 am-9:20 am

2 stops20h 55m

Lisbon Humberto Delgado

mié. 3/4

5:00 am-1:55 pm

1 stop14h 55m

$491

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

dom. 3/8

5:40 pm-3:10 pm

2 stops16h 30m

Lisbon Humberto Delgado

vie. 3/20

5:30 am-4:10 pm

1 stop15h 40m

$497

PeoriaLisbon

PIA - LIS

PIALIS

Greater Peoria

vie. 1/23

10:45 am-8:10 am

2 stops15h 25m

Lisbon Humberto Delgado

mar. 1/27

5:00 am-9:39 pm

2 stops22h 39m

$499

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

mié. 3/4

10:49 am-8:40 am

2 stops15h 51m

Lisbon Humberto Delgado

mié. 3/11

5:00 am-6:40 pm

2 stops18h 40m

$501

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

mié. 2/25

1:49 pm-11:20 am

2 stops15h 31m

Lisbon Humberto Delgado

mar. 3/3

5:00 am-5:45 pm

2 stops18h 45m

$501

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

mar. 3/3

1:49 pm-11:20 am

2 stops15h 31m

Lisbon Humberto Delgado

mié. 3/11

5:00 am-5:54 pm

2 stops17h 54m

$501

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

mié. 3/4

10:49 am-8:40 am

2 stops15h 51m

Lisbon Humberto Delgado

mar. 3/10

5:00 am-6:40 pm

2 stops18h 40m

$502

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

lun. 2/23

8:30 am-10:15 am

1 stop19h 45m

Lisbon Humberto Delgado

mar. 3/3

12:20 pm-1:55 pm

1 stop31h 35m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 53 results
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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, January is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $430). Flying from Illinois to Lisbon in June is currently the most expensive (average of $712). 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 diciembre 26, 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 December 16, 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 13h 45m. Fly via United Airlines, Delta, or SWISS to get the fastest option. The distance from Illinois to Lisbon is about 3996 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Illinois to Lisbon are British Airways ($210), Icelandair ($245), and TAP AIR PORTUGAL ($277).

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

    While some choose either Chicago Midway - Lisbon Humberto Delgado or Lambert-St Louis - Lisbon Humberto Delgado, Chicago O'Hare Intl - Lisbon Humberto Delgado is the most popular route from Illinois to Lisbon.

  • What are the cheapest flights from Illinois to Lisbon?

    Looking at all options, your cheapest flight can be booked for $291. While the most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado) can be booked for $443 on average, our data indicates $1,375 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, January is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $430). Flying from Illinois to Lisbon in June is currently the most expensive (average of $712). 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
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
Sesimbra
Colares

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Alternative routes for Illinois to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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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 diciembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$369Average$472FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$396Average$561FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$441Average$778FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$470Average$648FlexibilityNo cancel feeOn-time77%
SWISSCheapest$489Average$685FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$492Average$862FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$494Average$750FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$503Average$600FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$505Average$810FlexibilityNo cancel feeOn-time71%
KLMCheapest$527Average$603FlexibilityNo cancel feeOn-time75%

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