What is the cheapest airline that flies from Lisbon Humberto Delgado to Illinois?

Iberia is the most popular carrier operating from Lisbon Humberto Delgado to Illinois

What airlines fly to Illinois?

TAP AIR PORTUGAL, KLM and United Airlines are the top three most popular airlines that fly to Illinois from Lisbon according to our data. TAP AIR PORTUGAL is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Illinois?

Prices for flights from Lisbon Humberto Delgado Airport to Illinois are updated daily.

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Illinois?

As of March 2026, there are 4 operators available to choose from for flights from Lisbon Humberto Delgado Airport to Illinois.

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$306 Cheap Flights from Lisbon to Illinois in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Lisbon to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 pm - 4:10 pm

LIS

ORD

24h 55m

1 stop

7:15 pm - 10:05 pm

ORD

LIS

20h 50m

1 stop

$603Scandinavian Airlines

Fri, Apr 17 - Fri, May 1

9:15 pm - 4:10 pm

LIS

ORD

24h 55m

1 stop

7:15 pm - 10:05 pm

ORD

LIS

20h 50m

1 stop

$625Scandinavian Airlines

Fri, Apr 17 - Fri, May 1

6:35 am - 2:25 pm

LIS

ORD

13h 50m

1 stop

7:25 pm - 5:45 pm

ORD

LIS

16h 20m

2 stops

$639Multiple Airlines

Mon, Apr 27 - Thu, Apr 30

6:35 am - 2:25 pm

LIS

ORD

13h 50m

1 stop

7:25 pm - 11:00 pm

ORD

LIS

21h 35m

2 stops

$665Multiple Airlines

Mon, Apr 13 - Mon, Apr 20

5:00 am - 5:58 pm

LIS

MDW

18h 58m

2 stops

6:38 pm - 6:45 pm

MDW

LIS

18h 07m

2 stops

$784Delta

Thu, Apr 16 - Sat, Apr 25

5:35 am - 5:54 pm

LIS

MDW

18h 19m

2 stops

6:34 pm - 5:50 pm

MDW

LIS

17h 16m

2 stops

$850Delta

Wed, Apr 1 - Sat, Apr 11

6:35 am - 11:46 pm

LIS

STL

23h 11m

2 stops

8:03 pm - 5:55 pm

STL

LIS

15h 52m

2 stops

$870American Airlines

Thu, Apr 30 - Mon, May 4

11:05 am - 12:48 pm

LIS

STL

31h 43m

1 stop

8:03 pm - 5:55 pm

STL

LIS

15h 52m

2 stops

$871American Airlines

Thu, Apr 30 - Mon, May 4

7:25 am - 6:11 pm

LIS

STL

16h 46m

2 stops

6:00 am - 8:20 am

STL

LIS

20h 20m

2 stops

$890United Airlines

Thu, Apr 16 - Mon, Apr 20

10:15 am - 10:59 pm

LIS

STL

17h 44m

2 stops

8:21 am - 8:20 am

STL

LIS

17h 59m

2 stops

$917United Airlines

Thu, Mar 26 - Mon, Mar 30

Aer Lingus flights from Lisbon to Illinois

Our best Aer Lingus deals on Lisbon to Illinois flight tickets

Aer Lingus

May 6

LIS10:15 pmLisbon Humberto Delgado

21h 45m

1 stop

ORD2:00 pmChicago O'Hare Intl

May 16

ORD9:00 pmChicago O'Hare Intl

18h 35m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$695

Aer Lingus

Apr 15

LIS10:15 pmLisbon Humberto Delgado

21h 45m

1 stop

ORD2:00 pmChicago O'Hare Intl

Apr 19

ORD3:45 pmChicago O'Hare Intl

13h 00m

1 stop

LIS10:45 amLisbon Humberto Delgado

$701

Aer Lingus

Apr 14

LIS10:15 pmLisbon Humberto Delgado

21h 45m

1 stop

ORD2:00 pmChicago O'Hare Intl

Jun 2

ORD9:00 pmChicago O'Hare Intl

18h 35m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$702

Scandinavian Airlines flights from Lisbon to Illinois

Our best Scandinavian Airlines deals on Lisbon to Illinois flight tickets

Scandinavian Airlines

Apr 17

LIS9:15 pmLisbon Humberto Delgado

24h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

May 1

ORD7:15 pmChicago O'Hare Intl

20h 50m

1 stop

LIS10:05 pmLisbon Humberto Delgado

$603

Scandinavian Airlines

Apr 17

LIS9:15 pmLisbon Humberto Delgado

24h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

May 1

ORD7:15 pmChicago O'Hare Intl

20h 50m

1 stop

LIS10:05 pmLisbon Humberto Delgado

$625

Scandinavian Airlines

Apr 17

LIS9:15 pmLisbon Humberto Delgado

24h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

May 1

ORD7:15 pmChicago O'Hare Intl

20h 50m

1 stop

LIS10:05 pmLisbon Humberto Delgado

$626

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 4/17

9:15 pm-4:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Fri 5/1

7:15 pm-10:05 pm

1 stop20h 50m

$603

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Fri 4/17

9:15 pm-4:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Fri 5/1

7:15 pm-10:05 pm

1 stop20h 50m

$625

Quickest round-trip

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 4/27

6:35 am-2:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Thu 4/30

7:25 pm-5:45 pm

2 stops16h 20m

$639

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Mon 4/13

6:35 am-2:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Mon 4/20

7:25 pm-11:00 pm

2 stops21h 35m

$665

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Thu 4/16

5:00 am-5:58 pm

2 stops18h 58m

Chicago Midway

Sat 4/25

6:38 pm-6:45 pm

2 stops18h 07m

$784

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Wed 4/1

5:35 am-5:54 pm

2 stops18h 19m

Chicago Midway

Sat 4/11

6:34 pm-5:50 pm

2 stops17h 16m

$850

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 4/30

6:35 am-11:46 pm

2 stops23h 11m

Lambert-St Louis

Mon 5/4

8:03 pm-5:55 pm

2 stops15h 52m

$870

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 4/30

11:05 am-12:48 pm

1 stop31h 43m

Lambert-St Louis

Mon 5/4

8:03 pm-5:55 pm

2 stops15h 52m

$871

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 4/16

7:25 am-6:11 pm

2 stops16h 46m

Lambert-St Louis

Mon 4/20

6:00 am-8:20 am

2 stops20h 20m

$890

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 3/26

10:15 am-10:59 pm

2 stops17h 44m

Lambert-St Louis

Mon 3/30

8:21 am-8:20 am

2 stops17h 59m

$917

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Lisbon to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Lisbon is in February. Flight prices, which tend to average around $587, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $729.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Lisbon to Illinois is on a Thursday when prices can be found for as low as $884. Flights from Lisbon to Illinois on a Friday will generally be more expensive and average around $1,205. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Lisbon to Illinois during this time can be as low as $886. Flights in the morning are often more expensive with an average ticket price of $1,083.

What is the cheapest Lisbon Humberto Delgado to Illinois flight route?

Fly from Lisbon Humberto Delgado to Chicago O'Hare Intl for the best Lisbon Humberto Delgado - Illinois flight prices

What cabin class options are available on Lisbon Humberto Delgado to Illinois flights?

There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Lisbon to Illinois flights?

You could potentially save up to 27% on your flight if you consider stops on a Lisbon to Illinois flight.

Cheap Lisbon to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Illinois

Fastest flight time	9h 20m
Direct flights	Mon, Thu, Fri and Sun
Airports in Illinois	98 airports

The fastest flight from Lisbon to Illinois takes 9h 20m

Direct flights go from Lisbon to Illinois on Monday, Thursday, Friday and Sunday. There are no airlines offering direct flights.

There are 98 airports in Illinois. From Lisbon there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Illinois?
Prices for flights from Lisbon Humberto Delgado Airport to Illinois are updated daily.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Illinois?
As of March 2026, there are 4 operators available to choose from for flights from Lisbon Humberto Delgado Airport to Illinois.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Lisbon to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Lisbon to Illinois is Airbus A330-900neo, representing 62.86% of all bookings. The subsequent popular models are Airbus A330 at 31.43% and Airbus A330-200 at 5.71%.

Best airlines flying from Lisbon to Illinois

Compare and see reviews for airlines that fly from Lisbon to Illinois with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $653	Free Cancellation	Rating 7.8 1,468 reviews	Search KLM flights
TAP AIR PORTUGAL	PriceFrom $665	Free Cancellation	Rating 7.1 2,163 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom $671	Free Cancellation	Rating 7.2 1,473 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $760	Free Cancellation	Rating 7.4 9,409 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to Illinois?

Finding the right flight to Illinois from Lisbon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from Lisbon to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Lisbon with this policy.

How can momondo help me find flights from Lisbon to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Lisbon.

I’m not ready to book a flight from Lisbon to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Lisbon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.