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>

$207 CHEAP FLIGHTS from Illinois to Lisbon

LIS

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$457

Typical prices: $659-$894

United Airlines

Tue 2/24Tue 3/3

STL - LIS • 1 stop

Cheapest non-stop

$493

Typical prices: $525-$731

TAP AIR PORTUGAL

Wed 1/28Sun 2/1

ORD - LIS • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Lisbon!

Flight Deals

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, Feb 24 - Tue, Mar 3

8:30 am - 10:15 am

STL

LIS

19h 45m

1 stop

11:55 am - 8:23 pm

LIS

STL

14h 28m

1 stop

$457United Airlines

Sun, Mar 1 - Sun, Mar 8

3:50 pm - 3:05 pm

STL

LIS

17h 15m

1 stop

5:00 am - 1:55 pm

LIS

STL

14h 55m

1 stop

$460Lufthansa

Tue, Feb 24 - Tue, Mar 3

11:25 am - 10:15 am

STL

LIS

16h 50m

2 stops

10:15 am - 5:00 pm

LIS

STL

12h 45m

1 stop

$462United Airlines

Sun, Mar 1 - Sun, Mar 8

8:17 am - 10:15 am

STL

LIS

19h 58m

2 stops

5:00 am - 1:55 pm

LIS

STL

14h 55m

1 stop

$465United Airlines

Sat, May 2 - Sun, May 10

1:00 pm - 11:00 am

STL

LIS

40h 00m

2 stops

5:05 am - 1:25 pm

LIS

STL

14h 20m

1 stop

$467Multiple Airlines

Mon, Apr 27 - Tue, May 5

12:11 pm - 3:45 pm

STL

LIS

21h 34m

2 stops

7:10 am - 10:14 pm

LIS

STL

21h 04m

2 stops

$475British Airways

Sun, Mar 22 - Sun, Mar 29

2:00 pm - 12:05 pm

STL

LIS

17h 05m

2 stops

6:50 pm - 11:48 pm

LIS

STL

34h 58m

2 stops

$482British Airways

Tue, Apr 28 - Tue, May 12

10:15 pm - 11:25 pm

ORD

LIS

19h 10m

1 stop

6:35 am - 2:15 pm

LIS

ORD

13h 40m

1 stop

$484Finnair

Wed, Feb 25 - Sun, Mar 8

7:20 pm - 9:50 pm

ORD

LIS

44h 30m

2 stops

6:00 pm - 5:45 pm

LIS

ORD

28h 45m

1 stop

$486Scandinavian Airlines

Tue, Apr 14 - Sun, Apr 19

10:35 pm - 5:55 pm

ORD

LIS

13h 20m

1 stop

6:35 am - 2:15 pm

LIS

ORD

13h 40m

1 stop

$488Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$207

Best time to beat the crowds with an average 26% 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.

Setúbal

Óbidos

Costa da Caparica

Tomar

Sines

Almada

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

$207 Find Cheap Flights from Illinois to Lisbon

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

Everything you should know

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