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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$223 CHEAP FLIGHTS from Illinois to Lisbon

LIS

KAYAK searches hundreds of travel sites at once for deals on flights 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

Fri, Apr 17 - Fri, May 1

7:15 pm - 10:05 pm

ORD

LIS

20h 50m

1 stop

9:15 pm - 4:10 pm

LIS

ORD

24h 55m

1 stop

$490Scandinavian Airlines

Mon, Apr 27 - Fri, May 1

7:15 pm - 3:50 pm

ORD

LIS

14h 35m

1 stop

9:15 pm - 4:10 pm

LIS

ORD

24h 55m

1 stop

$514Scandinavian Airlines

Sat, Apr 25 - Fri, May 8

7:15 pm - 9:00 am

ORD

LIS

31h 45m

1 stop

9:15 pm - 4:10 pm

LIS

ORD

24h 55m

1 stop

$519Scandinavian Airlines

Mon, Apr 27 - Wed, May 13

7:25 pm - 11:00 pm

ORD

LIS

21h 35m

2 stops

6:35 am - 2:25 pm

LIS

ORD

13h 50m

1 stop

$531Multiple Airlines

Mon, Apr 27 - Tue, May 5

7:25 pm - 11:00 pm

ORD

LIS

21h 35m

2 stops

6:35 am - 2:25 pm

LIS

ORD

13h 50m

1 stop

$534Multiple Airlines

Sun, Apr 19 - Sun, Apr 26

8:03 pm - 11:05 pm

STL

LIS

21h 02m

2 stops

7:20 am - 10:17 pm

LIS

STL

20h 57m

2 stops

$603British Airways

Fri, May 1 - Sun, May 10

5:21 pm - 3:35 pm

STL

LIS

16h 14m

2 stops

11:05 am - 7:31 pm

LIS

STL

14h 26m

1 stop

$613British Airways

Tue, Apr 14 - Tue, Apr 21

6:25 am - 8:00 am

STL

LIS

19h 35m

1 stop

11:55 am - 11:36 pm

LIS

STL

17h 41m

2 stops

$666Delta

Tue, Apr 7 - Tue, Apr 14

5:59 pm - 2:55 pm

STL

LIS

14h 56m

2 stops

5:00 am - 11:36 pm

LIS

STL

24h 36m

2 stops

$669Delta

Tue, Apr 21 - Tue, Apr 28

6:29 am - 9:05 am

STL

LIS

20h 36m

1 stop

1:40 pm - 7:30 pm

LIS

STL

35h 50m

1 stop

$681American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$223

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 17% 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.

Óbidos

Setúbal

Costa da Caparica

Tomar

Almada

Sines

Torres Vedras

Caldas da Rainha

Zambujeira do Mar

Beja

Colares

Madeira

Batalha

Everything you need to know for your flight to Lisbon

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Lisbon

Lisbon (LIS)

LIS

$223 Find Cheap Flights from Illinois to Lisbon

KAYAK searches hundreds of travel sites at once for deals on flights to Lisbon

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

FAQs for booking flights from Illinois 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.

Traveling to a place near Lisbon?

Everything you need to know for your flight to Lisbon

Information on the airport you'll fly into in Lisbon

Cabin class types available on flights to Illinois

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

Find direct flights for Lisbon

Flights to other popular destinations

Flights from domestic origins to Lisbon

Choose which airport to fly into in Lisbon

Find deals for your return flight