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>

$221 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

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

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

Cheapest round-trip

$443

Typical prices: $672-$782

Multiple Airlines

Sun 1/11Tue 1/27

STL - LIS • 2 stops

Cheapest non-stop

$499

Typical prices: $477-$589

TAP AIR PORTUGAL

Wed 1/14Sun 1/25

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Lisbon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Sun, Jan 11 - Tue, Jan 27

2:54 pm - 2:50 pmSTL-LIS

17h 56m2 stops

6:30 am - 6:34 pmLIS-STL

18h 04m2 stops

$443Multiple Airlines

Find Deal

Sun, Jan 11 - Tue, Jan 27

2:54 pm - 2:50 pmSTL-LIS

17h 56m2 stops

11:05 am - 10:44 pmLIS-STL

17h 39m1 stop

$444British Airways

Find Deal

Sun, Jan 11 - Tue, Jan 27

11:55 am - 9:05 amSTL-LIS

15h 10m2 stops

6:30 am - 6:16 pmLIS-STL

17h 46m2 stops

$445American Airlines

Find Deal

Sun, Feb 1 - Tue, Feb 10

12:01 pm - 12:05 pmSTL-LIS

18h 04m2 stops

11:05 am - 10:44 pmLIS-STL

17h 39m1 stop

$446British Airways

Find Deal

Wed, Dec 31 - Thu, Jan 15

6:29 am - 8:00 amSTL-LIS

19h 31m2 stops

10:00 am - 12:33 pmLIS-STL

32h 33m1 stop

$447Delta

Find Deal

Tue, Feb 24 - Tue, Mar 3

11:39 am - 8:10 amSTL-LIS

14h 31m1 stop

11:55 am - 8:23 pmLIS-STL

14h 28m1 stop

$452Lufthansa

Find Deal

Mon, Feb 2 - Fri, Feb 13

4:05 pm - 9:20 amSTL-LIS

11h 15m1 stop

10:55 am - 3:29 pmLIS-STL

34h 34m1 stop

$454Air Canada

Find Deal

Tue, Feb 3 - Fri, Feb 13

11:22 am - 8:10 amSTL-LIS

14h 48m1 stop

10:15 am - 12:05 amLIS-STL

19h 50m1 stop

$456Lufthansa

Find Deal

Wed, Jan 14 - Wed, Jan 21

3:35 pm - 5:30 pmBMI-LIS

19h 55m2 stops

10:00 am - 10:08 pmLIS-BMI

18h 08m2 stops

$479Delta

Find Deal

Fri, Feb 6 - Tue, Feb 10

6:00 am - 2:50 pmSPI-LIS

26h 50m2 stops

8:20 am - 10:14 pmLIS-SPI

19h 54m2 stops

$675American Airlines

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$221

Best time to beat the crowds with an average 23% drop in price.

Most popular time to fly with an average 16% 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

$221 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