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Lisbon

$243+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
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 February 13, 2026.

This Mytrip deal was found by Cheapflights users on 2/9. 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 11/44:15 pm
STL
-
LIS
2 stops35h 05m
Multiple Airlines
Wed 11/255:00 am
LIS
-
STL
1 stop14h 55m
Multiple Airlines
Deal found 2/9$473
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 2/246:30 pm
ORD
-
LIS
1 stop17h 10m
American Airlines
Fri 3/66:30 am
LIS
-
ORD
1 stop14h 25m
American Airlines
Deal found 2/12$483
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Sat 4/47:25 pm
ORD
-
LIS
1 stop19h 55m
Icelandair
Sun 4/1210:20 pm
LIS
-
ORD
1 stop25h 55m
Icelandair
Deal found 2/9$484
This FlightHub deal was found by Cheapflights users on 2/9. 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 10/203:40 pm
ORD
-
LIS
1 stop11h 40m
Multiple Airlines
Thu 11/55:00 am
LIS
-
ORD
1 stop14h 10m
Multiple Airlines
Deal found 2/9$485
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/246:20 pm
ORD
-
LIS
1 stop9h 55m
United Airlines
Thu 3/196:10 am
LIS
-
ORD
1 stop14h 00m
United Airlines
Deal found 2/10$486
This KLM deal was found by Cheapflights users on 2/10. 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 2/242:25 pm
ORD
-
LIS
1 stop11h 35m
KLM
Wed 3/185:00 am
LIS
-
ORD
1 stop15h 20m
KLM
Deal found 2/10$487
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/43:50 pm
ORD
-
LIS
1 stop10h 20m
United Airlines
Tue 3/106:10 am
LIS
-
ORD
1 stop18h 15m
United Airlines
Deal found 2/10$488
This KLM deal was found by Cheapflights users on 2/11. 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.
Mon 2/167:00 am
ORD
-
LIS
1 stop19h 00m
KLM
Tue 3/311:25 am
LIS
-
ORD
1 stop32h 55m
KLM
Deal found 2/11$489
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/241:02 pm
ORD
-
LIS
2 stops13h 08m
United Airlines
Wed 3/115:00 am
LIS
-
ORD
1 stop14h 25m
United Airlines
Deal found 2/10$490
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/412:40 pm
ORD
-
LIS
1 stop14h 15m
American Airlines
Wed 3/116:30 am
LIS
-
ORD
1 stop14h 25m
American Airlines
Deal found 2/10$491
This Delta deal was found by Cheapflights users on 2/12. 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 4/145:04 pm
ORD
-
LIS
2 stops18h 46m
Delta
Wed 4/225:00 am
LIS
-
ORD
1 stop15h 30m
Delta
Deal found 2/12$492
This Delta deal was found by Cheapflights users on 2/10. 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 2/175:59 pm
ORD
-
LIS
2 stops17h 31m
Delta
Tue 3/311:25 am
LIS
-
ORD
1 stop32h 55m
Delta
Deal found 2/10$493

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$483
(American Airlines)

One-way from

$243
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$523

Good round-trip deal

$458 or less

Good one-way deal

$357 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.
Search Deals
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 ($161 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 February 2026
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 February 13, 2026.
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

Sun 4/12

4:20 pm-2:35 pm

1 stop16h 15m

Lisbon Humberto Delgado

Tue 4/28

7:45 pm-2:30 pm

1 stop24h 45m

$492

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 3/3

2:05 pm-3:10 pm

2 stops19h 05m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-3:20 pm

1 stop15h 20m

$493

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 2/25

4:25 pm-6:30 pm

1 stop20h 05m

Lisbon Humberto Delgado

Mon 4/20

7:45 pm-2:15 pm

1 stop24h 30m

$493

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 4/21

10:30 pm-11:25 pm

1 stop18h 55m

Lisbon Humberto Delgado

Tue 4/28

6:35 am-2:15 pm

1 stop13h 40m

$494

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/20

9:10 am-10:30 am

2 stops19h 20m

Lisbon Humberto Delgado

Sun 5/10

7:25 am-9:08 pm

2 stops19h 43m

$500

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 4/14

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Wed 4/22

5:00 am-6:36 pm

2 stops19h 36m

$502

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 2/24

5:37 pm-3:10 pm

2 stops15h 33m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-6:01 pm

2 stops19h 01m

$503

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Mon 2/23

1:49 pm-11:20 am

2 stops15h 31m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-5:54 pm

2 stops17h 54m

$503

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Wed 2/25

6:20 pm-5:30 pm

2 stops17h 10m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-6:40 pm

2 stops19h 40m

$503

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 3/3

6:20 pm-3:10 pm

2 stops14h 50m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-5:22 pm

2 stops17h 22m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $383). Flying from Illinois to Lisbon in June is currently the most expensive (average of $709). 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 February 13, 2026.

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 16h 15m. Fly via KLM, Delta, or Finnair 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 American Airlines ($209), British Airways ($210), and Icelandair ($245).

  • 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 $289. While the most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado) can be booked for $473 on average, our data indicates $1,457 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, February is the cheapest month in which you can book a flight from Illinois to Lisbon (average of $383). Flying from Illinois to Lisbon in June is currently the most expensive (average of $709). 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
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

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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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$369Average$478FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$371Average$549FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$441Average$732FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$470Average$605FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$487Average$860FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$489Average$711FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$497Average$733FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$503Average$600FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$505Average$787FlexibilityNo cancel feeOn-time71%
KLMCheapest$513Average$596FlexibilityNo cancel feeOn-time75%

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