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>

$228 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 20% 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.

Flights 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, Nov 16 - Wed, Dec 3

7:20 pm - 4:05 pmORD-LIS

14h 45m1 stop

4:55 pm - 4:45 pmLIS-ORD

29h 50m1 stop

$416Scandinavian Airlines

Find Deal

Sat, Nov 29 - Fri, Dec 5

7:20 pm - 4:05 pmORD-LIS

14h 45m1 stop

4:55 pm - 4:45 pmLIS-ORD

29h 50m1 stop

$435Scandinavian Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

11:20 am - 9:20 amORD-LIS

16h 00m1 stop

5:00 am - 8:05 pmLIS-ORD

21h 05m1 stop

$458

Find Deal

Tue, Dec 2 - Thu, Dec 11

3:35 pm - 9:20 amORD-LIS

11h 45m1 stop

12:35 pm - 4:15 pmLIS-ORD

33h 40m1 stop

$461

Find Deal

Sat, Nov 1 - Sun, Nov 9

7:30 pm - 8:20 pmORD-LIS

19h 50m1 stop

9:20 pm - 5:20 pmLIS-ORD

26h 00m1 stop

$472Icelandair

Find Deal

Wed, Oct 29 - Sun, Nov 9

7:30 pm - 8:20 pmORD-LIS

19h 50m1 stop

9:20 pm - 5:20 pmLIS-ORD

26h 00m1 stop

$473Icelandair

Find Deal

Tue, Nov 18 - Tue, Dec 2

7:20 am - 9:20 amORD-LIS

20h 00m2 stops

11:00 am - 12:15 pmLIS-ORD

31h 15m2 stops

$478Air Canada

Find Deal

Sun, Sep 21 - Wed, Oct 1

6:00 pm - 8:00 amORD-LIS

8h 00mnonstop

12:55 pm - 4:10 pmLIS-ORD

9h 15mnonstop

$482TAP AIR PORTUGAL

Find Deal

Tue, Nov 18 - Wed, Dec 3

7:20 am - 9:20 amORD-LIS

20h 00m2 stops

11:00 am - 2:40 pmLIS-ORD

33h 40m2 stops

$485Air Canada

Find Deal

Thu, Oct 23 - Wed, Nov 5

6:00 pm - 8:00 amORD-LIS

8h 00mnonstop

11:25 am - 3:00 pmLIS-ORD

9h 35mnonstop

$500TAP AIR PORTUGAL

Find Deal

Useful Info

Low season	January
High season	September
Cheapest flight	$228

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

Most popular time to fly with an average 2% 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

Costa da Caparica

Almada

Tomar

Caldas da Rainha

Torres Vedras

Beja

Madeira

Colares

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

LIS

$228 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