How does KAYAK find such low prices on flights from Illinois to Lisbon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Lisbon.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Lisbon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Lisbon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Lisbon with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Lisbon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Lisbon from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$464 CHEAP FLIGHTS from Illinois to Lisbon

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Cheap Flights from Illinois to Lisbon

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Lisbon

Tue, Dec 1 - Thu, Dec 10

5:30 pm - 6:55 amPIA Greater Peoria-LIS Lisbon Humberto Delgado

31h 25m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 5:58 pmLIS Lisbon Humberto Delgado-PIA Greater Peoria

18h 58m2 stops Frankfurt am Main Chicago O'Hare Intl

$717United Airlines

Wed, Nov 4 - Wed, Nov 11

2:35 pm - 10:20 amPIA Greater Peoria-LIS Lisbon Humberto Delgado

13h 45m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

5:00 am - 9:13 pmLIS Lisbon Humberto Delgado-PIA Greater Peoria

22h 13m2 stops Frankfurt am Main Chicago O'Hare Intl

$718United Airlines

Thu, Oct 22 - Thu, Oct 29

8:10 pm - 11:20 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

21h 10m1 stop Istanbul

11:35 am - 11:00 amLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

28h 25m1 stop Istanbul

$720Turkish Airlines

Sun, Nov 8 - Sun, Nov 22

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$720TAP AIR PORTUGAL

Sun, Nov 8 - Wed, Nov 18

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:40 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 50mnonstop

$720TAP AIR PORTUGAL

Mon, Nov 2 - Thu, Nov 12

1:55 pm - 10:40 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

14h 45m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

5:00 am - 1:10 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

14h 10m1 stop Frankfurt am Main

$722Multiple Airlines

Fri, Mar 19 - Fri, Mar 26

2:00 pm - 9:20 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

14h 20m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

5:00 am - 2:10 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

14h 10m1 stop Frankfurt am Main

$724Multiple Airlines

Sat, Mar 13 - Sun, Mar 21

4:53 pm - 10:30 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

23h 37m2 stops Dallas/Fort Worth London Heathrow

6:50 pm - 2:45 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

24h 55m1 stop London Heathrow

$726British Airways

Thu, Oct 22 - Wed, Nov 4

11:25 am - 9:50 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

16h 25m1 stop Istanbul

5:55 am - 7:20 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

19h 25m1 stop Istanbul

$728Turkish Airlines

Thu, Dec 10 - Fri, Jan 8

9:50 pm - 6:05 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop London Heathrow

7:05 am - 6:45 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

17h 40m1 stop London Heathrow

$731British Airways

Recent last minute flight deals from Illinois to Lisbon

Tue, Sep 29 - Wed, Oct 7

10:29 am - 10:45 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

18h 16m1 stop Boston Logan Intl

5:35 am - 3:10 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

15h 35m1 stop Paris Charles de Gaulle

$757Air France

Mon, Sep 28 - Wed, Oct 7

6:00 am - 8:00 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

20h 00m1 stop New York John F Kennedy Intl

5:35 am - 3:10 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

15h 35m1 stop Paris Charles de Gaulle

$757Delta

Tue, Sep 29 - Tue, Oct 13

10:29 am - 10:45 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

18h 16m1 stop Boston Logan Intl

5:35 am - 3:10 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

15h 35m1 stop Paris Charles de Gaulle

$757Multiple Airlines

Tue, Sep 29 - Wed, Oct 7

10:40 am - 10:20 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

17h 40m3 stops Ottawa Montreal Pierre Elliott Trudeau Intl Madrid Barajas

7:35 pm - 2:55 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

25h 20m3 stops Madrid Barajas Brussels Bruxelles-National Toronto Pearson Intl

$761Multiple Airlines

Tue, Sep 29 - Wed, Oct 7

3:05 pm - 10:45 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

13h 40m1 stop Boston Logan Intl

5:35 am - 8:38 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

21h 03m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$766Delta

Tue, Sep 29 - Mon, Oct 5

10:25 pm - 5:55 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

13h 30m1 stop London Heathrow

7:10 am - 5:35 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

16h 25m1 stop London Heathrow

$818American Airlines

Sun, Sep 27 - Sun, Oct 4

4:15 pm - 10:55 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

12h 40m1 stop Amsterdam Schiphol

7:45 pm - 2:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

24h 45m1 stop Amsterdam Schiphol

$842KLM

Mon, Sep 28 - Thu, Oct 22

7:00 am - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

21h 15m1 stop New York John F Kennedy Intl

9:20 am - 12:40 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 20mnonstop

$904TAP AIR PORTUGAL

Wed, Sep 30 - Sat, Oct 10

4:50 pm - 6:45 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

19h 55m1 stop Amsterdam Schiphol

7:45 pm - 2:15 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

24h 30m1 stop Amsterdam Schiphol

$924KLM

Sat, Sep 26 - Sat, Oct 10

10:25 pm - 6:05 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

13h 40m1 stop London Heathrow

11:05 am - 8:06 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

15h 01m2 stops Philadelphia Washington, D.C. Reagan-National

$1,340American Airlines

Recent direct flight deals from Illinois to Lisbon

Sun, Nov 8 - Wed, Nov 18

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:40 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 50mnonstop

$720TAP AIR PORTUGAL

Sun, Nov 8 - Fri, Nov 20

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$720TAP AIR PORTUGAL

Sun, Nov 8 - Sun, Nov 22

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$720TAP AIR PORTUGAL

Sun, Nov 1 - Sun, Nov 8

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$729TAP AIR PORTUGAL

Fri, Jan 8 - Sun, Jan 17

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$796JetBlue

Fri, Dec 11 - Sun, Dec 27

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$955JetBlue

Wed, Dec 9 - Sun, Dec 27

7:00 pm - 9:05 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$983JetBlue

Thu, Oct 22 - Wed, Nov 4

6:00 pm - 8:10 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 10mnonstop

11:40 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 50mnonstop

$1,202Multiple Airlines

Wed, Nov 4 - Wed, Dec 2

7:00 pm - 9:05 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:40 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 50mnonstop

$1,214Multiple Airlines

Sun, Nov 8 - Fri, Nov 13

8:10 pm - 10:15 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 05mnonstop

11:55 am - 3:30 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 35mnonstop

$1,214Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$464

Best time to beat the crowds with an average 32% drop in price.

Most popular time to fly with an average 26% increase in price.

Flight from Chicago O'Hare Airport to Lisbon

How does KAYAK find such low prices on flights from Illinois to Lisbon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Lisbon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Lisbon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Lisbon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Lisbon with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Lisbon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Lisbon from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Setúbal

Óbidos

Tomar

Costa da Caparica

Almada

Sines

Torres Vedras

Caldas da Rainha

Zambujeira do Mar

Colares

Beja

Madeira

Batalha

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Complete your trip to Lisbon with a hotel stay or car rental

Car rentals in Lisbon

LIS

$464 Find Cheap Flights from Illinois to Lisbon - Compare and Save

Cheap Flights from Illinois to Lisbon

Recent round-trip flight deals from Illinois to Lisbon

Recent one-way flight deals from Illinois to Lisbon

Recent last minute flight deals from Illinois to Lisbon

Recent direct flight deals from Illinois to Lisbon

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FAQs for booking flights from Illinois to Lisbon

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Complete your trip to Lisbon with a hotel stay or car rental

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