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.

$291 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

Thu, Feb 11 - Sun, Feb 21

7:10 pm - 3:55 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

14h 45m1 stop Kastrup Copenhagen

4:55 pm - 4:45 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

29h 50m1 stop Kastrup Copenhagen

$668Scandinavian Airlines

Sun, Feb 7 - Sun, Feb 14

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

$670TAP AIR PORTUGAL

Thu, Feb 11 - Sun, Feb 21

7:10 pm - 3:55 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

14h 45m1 stop Kastrup Copenhagen

4:55 pm - 4:45 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

29h 50m1 stop Kastrup Copenhagen

$671Scandinavian Airlines

Fri, Dec 4 - Sun, Dec 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

$672TAP AIR PORTUGAL

Mon, Nov 30 - Tue, Dec 8

6:30 pm - 12:45 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

12h 15m1 stop Reykjavik Keflavik Intl

1:55 pm - 5:20 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

33h 25m1 stop Reykjavik Keflavik Intl

$673Icelandair

Sun, Feb 21 - Sun, Feb 28

6:30 pm - 10:40 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

34h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 5:20 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

33h 20m1 stop Reykjavik Keflavik Intl

$676Icelandair

Wed, Nov 25 - Fri, Jan 22

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

8h 05mnonstop

9:00 pm - 5:20 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

50h 20m3 stops Bergamo Orio Al Serio Gdansk Rebiechowo Reykjavik Keflavik Intl

$678Multiple Airlines

Wed, Nov 25 - Mon, Jan 25

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

8h 05mnonstop

3:10 pm - 7:15 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

34h 05m2 stops Malaga Dublin

$682Multiple Airlines

Wed, Apr 14 - Tue, Apr 27

3:35 pm - 1:40 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

16h 05m1 stop Munich Franz Josef Strauss

7:25 am - 7:55 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

18h 30m1 stop Frankfurt am Main

$721Lufthansa

Wed, Mar 24 - Fri, Apr 2

10:50 pm - 11:30 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

19h 40m1 stop Munich Franz Josef Strauss

5:05 am - 7:55 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

20h 50m1 stop Frankfurt am Main

$737Lufthansa

Recent last minute flight deals from Illinois to Lisbon

Fri, Nov 13 - Wed, Dec 16

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

$663TAP AIR PORTUGAL

Fri, Nov 13 - Fri, Dec 11

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

$663TAP AIR PORTUGAL

Mon, Nov 9 - Tue, Nov 17

11:45 am - 11:25 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

29h 40m1 stop Istanbul

4:10 pm - 10:00 amLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

23h 50m1 stop Istanbul

$762Turkish Airlines

Fri, Nov 13 - Tue, Dec 1

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

8h 05mnonstop

10:45 am - 5:20 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

36h 35m3 stops Bergamo Orio Al Serio Kastrup Copenhagen Reykjavik Keflavik Intl

$762Multiple Airlines

Fri, Nov 13 - Wed, Dec 2

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

8h 05mnonstop

6:40 am - 5:20 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

40h 40m3 stops Manchester Kastrup Copenhagen Reykjavik Keflavik Intl

$768Multiple Airlines

Tue, Nov 10 - Thu, Nov 19

7:10 pm - 4:05 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

14h 55m1 stop Kastrup Copenhagen

5:55 pm - 4:45 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

28h 50m1 stop Kastrup Copenhagen

$781Scandinavian Airlines

Wed, Nov 11 - Thu, Nov 19

7:10 pm - 5:05 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

15h 55m1 stop Kastrup Copenhagen

5:55 pm - 4:45 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

28h 50m1 stop Kastrup Copenhagen

$785Scandinavian Airlines

Tue, Nov 10 - Mon, Nov 16

8:15 pm - 10:35 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

32h 20m1 stop Istanbul

5:55 am - 10:00 amLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

34h 05m1 stop Istanbul

$790Turkish Airlines

Mon, Nov 9 - Tue, Nov 17

6:50 pm - 2:35 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

13h 45m1 stop Zurich

3:35 pm - 4:15 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

30h 40m1 stop Zurich

$807SWISS

Mon, Nov 9 - Mon, Nov 16

6:50 pm - 2:35 pmORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

13h 45m1 stop Zurich

11:50 am - 4:15 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

34h 25m1 stop Zurich

$827SWISS

Recent direct flight deals from Illinois to Lisbon

Sun, Feb 7 - Sun, Feb 14

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

$670TAP AIR PORTUGAL

Fri, Dec 4 - Sun, Dec 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

$672TAP AIR PORTUGAL

Sun, Nov 29 - Fri, Dec 11

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

$682TAP AIR PORTUGAL

Sun, Feb 7 - Sun, Feb 14

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

$689TAP AIR PORTUGAL

Sun, Feb 7 - Sun, Feb 14

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

$845JetBlue

Wed, Nov 25 - Sun, Jan 24

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

$869JetBlue

Sat, Apr 10 - Sat, Apr 17

5:45 pm - 7:55 amORD Chicago O'Hare Intl-LIS Lisbon Humberto Delgado

8h 10mnonstop

12:40 pm - 4:00 pmLIS Lisbon Humberto Delgado-ORD Chicago O'Hare Intl

9h 20mnonstop

$883JetBlue

Fri, Dec 4 - Fri, Dec 11

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

$994Multiple Airlines

Fri, Dec 4 - Fri, Dec 11

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

$1,002Multiple Airlines

Wed, Dec 2 - Sun, Dec 6

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

$1,206Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$291

Best time to beat the crowds with an average 29% drop in price.

Most popular time to fly with an average 24% 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

Caldas da Rainha

Torres Vedras

Sines

Colares

Zambujeira do Mar

Beja

Madeira

Batalha

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

Car rentals in Lisbon

LIS

$291 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

Good to know

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High season

Cheapest flight

FAQs for booking flights from Illinois to Lisbon

Traveling to a place near Lisbon?

More options for your flight to Lisbon

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

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