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Lisbon

$276+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$515
(Air Canada)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$747

Good round-trip deal

$510 or less

Good one-way deal

$263 or less
From Illinois to Lisbon Humberto Delgado
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One-way flight from Illinois to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 16% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Lisbon Humberto Delgado.
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Price to beat on a one-way flight from Illinois to Lisbon Humberto Delgado.
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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 September 15, 2025.

This KAYAK deal was found by Cheapflights users on 9/15. 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 12/306:50 pmORD - LIS
1 stop34h 55mSWISS
Thu 1/812:35 pmLIS - ORD
1 stop33h 45mSWISS
Deal found 9/15$517
This Iberia deal was found by Cheapflights users on 9/15. 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.
Wed 10/2910:45 pmORD - LIS
1 stop18h 05mMultiple Airlines
Thu 11/136:30 amLIS - ORD
2 stops17h 15mMultiple Airlines
Deal found 9/15$519
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/110:15 pmORD - LIS
1 stop17h 05mIcelandair
Thu 10/1610:20 pmLIS - ORD
1 stop28h 55mIcelandair
Deal found 9/15$523
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:25 pmORD - LIS
1 stop14h 25mMultiple Airlines
Sun 11/97:05 amLIS - ORD
1 stop14h 20mMultiple Airlines
Deal found 9/15$524
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 12/309:15 pmORD - LIS
1 stop31h 00mUnited Airlines
Wed 5/612:50 pmLIS - ORD
2 stops35h 43mUnited Airlines
Deal found 9/15$525
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 12/303:35 pmORD - LIS
1 stop11h 20mUnited Airlines
Wed 1/75:00 amLIS - ORD
1 stop21h 05mUnited Airlines
Deal found 9/15$526
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 11/27:20 pmORD - LIS
1 stop13h 35mMultiple Airlines
Fri 11/77:10 pmLIS - ORD
2 stops32h 29mMultiple Airlines
Deal found 9/15$527
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/148:50 amORD - LIS
1 stop19h 25mUnited Airlines
Tue 12/235:00 amLIS - ORD
1 stop16h 20mUnited Airlines
Deal found 9/14$529
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/62:00 pmORD - LIS
2 stops22h 40mMultiple Airlines
Mon 10/1310:45 pmLIS - ORD
3 stops22h 19mMultiple Airlines
Deal found 9/15$530
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 12/289:29 amMDW - LIS
2 stops19h 06mDelta
Thu 1/1510:00 amLIS - MDW
2 stops17h 46mDelta
Deal found 9/14$530
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:00 amORD - LIS
2 stops18h 55mMultiple Airlines
Tue 12/235:00 amLIS - ORD
1 stop14h 10mMultiple Airlines
Deal found 9/14$531
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 11/25:20 pmORD - LIS
1 stop15h 50mDelta
Sat 11/155:30 amLIS - ORD
2 stops18h 41mDelta
Deal found 9/14$532

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 September 15, 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 10/29

7:25 pm-2:50 pm

1 stop14h 25m

Lisbon Humberto Delgado

Sun 11/9

7:05 am-3:25 pm

1 stop14h 20m

$524

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 3/3

8:30 am-10:15 am

1 stop19h 45m

Lisbon Humberto Delgado

Tue 3/17

11:20 am-2:18 pm

2 stops31h 58m

$532

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 11/30

7:20 pm-4:05 pm

1 stop14h 45m

Lisbon Humberto Delgado

Sun 12/7

7:00 am-4:45 pm

2 stops39h 45m

$533

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 11/29

7:20 pm-3:05 pm

1 stop13h 45m

Lisbon Humberto Delgado

Sun 12/7

7:00 am-4:45 pm

2 stops39h 45m

$533

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 11/5

4:15 pm-3:10 pm

2 stops16h 55m

Lisbon Humberto Delgado

Mon 11/17

5:30 am-6:13 pm

2 stops18h 43m

$536

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 12/31

11:05 am-8:10 am

2 stops15h 05m

Lisbon Humberto Delgado

Fri 1/16

5:00 am-1:55 pm

1 stop14h 55m

$536

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 12/31

8:05 am-10:15 am

2 stops20h 10m

Lisbon Humberto Delgado

Thu 1/15

10:55 am-2:30 pm

2 stops33h 35m

$537

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 12/31

11:05 am-8:10 am

2 stops15h 05m

Lisbon Humberto Delgado

Tue 1/13

11:20 am-5:43 pm

2 stops36h 23m

$537

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Wed 11/5

10:40 am-11:20 am

2 stops18h 40m

Lisbon Humberto Delgado

Mon 11/17

5:00 am-6:18 pm

2 stops19h 18m

$538

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Thu 10/30

9:35 am-3:10 pm

2 stops24h 35m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-8:52 am

2 stops33h 52m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 59 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 $612). Flying from Illinois to Lisbon in June is currently the most expensive (average of $1,127). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Lisbon as you normally would.

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 14h 45m. Fly via United Airlines, Scandinavian Airlines, or Delta 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 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 $180. While the most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado) can be booked for $370 on average, our data indicates $1,319 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 $612). Flying from Illinois to Lisbon in June is currently the most expensive (average of $1,127). 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
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$369Average$478FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$444Average$564FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$484Average$688FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$484Average$827FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$490Average$702FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$510Average$730FlexibilityNo cancel feeOn-time71%
SWISSCheapest$517Average$740FlexibilityNo cancel feeOn-time79%
KLMCheapest$527Average$616FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$537Average$891FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$543Average$791FlexibilityNo cancel feeOn-time76%

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