How long does it take to fly to Lisbon?

Average flight duration from Illinois to Lisbon depends on which airport you fly into and out of. Flying from Chicago to Lisbon is 10h 55m on average, while flying from Peoria to Lisbon is 20h 10m on average. Lisbon is the most popular airport in Lisbon.

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

Aer Lingus, SWISS, and Lufthansa are the most popular carriers operating from Illinois to Lisbon Humberto Delgado

What airlines fly to Lisbon?

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Lisbon from Illinois according to our data. TAP AIR PORTUGAL is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 18 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Illinois to Lisbon Humberto Delgado Airport were last updated today.

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

As of March 2026, there are 18 operators available to choose from for flights from Illinois to Lisbon Humberto Delgado Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$295 Cheap Flights from Illinois to Lisbon in 2026

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Find the cheapest flights from Illinois to Lisbon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 8:10 am

ORD

LIS

8h 10mnonstop

12:35 pm - 4:00 pm

LIS

ORD

9h 25mnonstop

$538TAP AIR PORTUGAL

Fri, Apr 17 - Fri, Apr 24

6:00 pm - 8:10 am

ORD

LIS

8h 10mnonstop

12:40 pm - 4:05 pm

LIS

ORD

9h 25mnonstop

$541TAP AIR PORTUGAL

Sun, Apr 12 - Sat, Apr 18

6:00 pm - 8:10 am

ORD

LIS

8h 10mnonstop

12:35 pm - 4:00 pm

LIS

ORD

9h 25mnonstop

$543TAP AIR PORTUGAL

Fri, Apr 17 - Fri, May 1

9:40 pm - 11:05 pm

STL

LIS

19h 25m

1 stop

6:35 am - 7:33 pm

LIS

STL

18h 58m

2 stops

$662Multiple Airlines

Sun, Apr 26 - Wed, May 6

8:03 pm - 5:55 pm

STL

LIS

15h 52m

2 stops

8:25 am - 7:33 pm

LIS

STL

17h 08m

2 stops

$666American Airlines

Mon, Apr 20 - Mon, Apr 27

6:29 am - 9:05 am

STL

LIS

20h 36m

1 stop

8:25 am - 7:33 pm

LIS

STL

17h 08m

2 stops

$669American Airlines

Mon, Apr 20 - Mon, Apr 27

6:38 pm - 6:45 pm

MDW

LIS

18h 07m

2 stops

5:00 am - 4:26 pm

LIS

MDW

17h 26m

2 stops

$674Delta

Tue, Apr 14 - Wed, Apr 22

12:23 pm - 10:55 am

STL

LIS

16h 32m

2 stops

5:00 am - 4:42 pm

LIS

STL

17h 42m

2 stops

$674KLM

Tue, Apr 21 - Wed, Apr 29

1:10 pm - 10:55 am

MDW

LIS

15h 45m

2 stops

5:00 am - 6:36 pm

LIS

MDW

19h 36m

2 stops

$675Delta

Wed, Apr 8 - Wed, Apr 15

2:33 pm - 11:50 am

STL

LIS

15h 17m

2 stops

7:20 am - 7:30 pm

LIS

STL

18h 10m

1 stop

$694Multiple Airlines

Tue, Apr 21 - Wed, Apr 29

American Airlines flights from Illinois to Lisbon

Our best American Airlines deals on Illinois to Lisbon flight tickets

American Airlines

Apr 20

STL8:03 pmLambert-St Louis

15h 52m

2 stops

LIS5:55 pmLisbon Humberto Delgado

Apr 27

LIS8:25 amLisbon Humberto Delgado

17h 08m

2 stops

STL7:33 pmLambert-St Louis

$666

American Airlines

Apr 20

STL6:29 amLambert-St Louis

20h 36m

1 stop

LIS9:05 amLisbon Humberto Delgado

Apr 27

LIS8:25 amLisbon Humberto Delgado

17h 08m

2 stops

STL7:33 pmLambert-St Louis

$669

American Airlines

Apr 15

STL1:29 pmLambert-St Louis

13h 36m

1 stop

LIS9:05 amLisbon Humberto Delgado

Apr 21

LIS8:25 amLisbon Humberto Delgado

17h 08m

2 stops

STL7:33 pmLambert-St Louis

$718

TAP AIR PORTUGAL flights from Illinois to Lisbon

Our best TAP AIR PORTUGAL deals on Illinois to Lisbon flight tickets

TAP AIR PORTUGAL

Apr 12

ORD6:00 pmChicago O'Hare Intl

8h 10m

LIS8:10 amLisbon Humberto Delgado

Apr 18

LIS12:40 pmLisbon Humberto Delgado

9h 25m

ORD4:05 pmChicago O'Hare Intl

$586

TAP AIR PORTUGAL

Apr 15

ORD6:00 pmChicago O'Hare Intl

8h 10m

LIS8:10 amLisbon Humberto Delgado

Apr 22

LIS12:40 pmLisbon Humberto Delgado

9h 20m

ORD4:00 pmChicago O'Hare Intl

$587

TAP AIR PORTUGAL

Apr 15

ORD6:00 pmChicago O'Hare Intl

8h 10m

LIS8:10 amLisbon Humberto Delgado

Apr 22

LIS12:40 pmLisbon Humberto Delgado

9h 20m

ORD4:00 pmChicago O'Hare Intl

$588

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 4/17

6:00 pm-8:10 am

Nonstop8h 10m

Lisbon Humberto Delgado

Fri 4/24

12:35 pm-4:00 pm

Nonstop9h 25m

$538

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 4/12

6:00 pm-8:10 am

Nonstop8h 10m

Lisbon Humberto Delgado

Sat 4/18

12:40 pm-4:05 pm

Nonstop9h 25m

$541

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 4/17

6:00 pm-8:10 am

Nonstop8h 10m

Lisbon Humberto Delgado

Fri 5/1

12:35 pm-4:00 pm

Nonstop9h 25m

$543

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 4/26

9:40 pm-11:05 pm

1 stop19h 25m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-7:33 pm

2 stops18h 58m

$662

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/20

8:03 pm-5:55 pm

2 stops15h 52m

Lisbon Humberto Delgado

Mon 4/27

8:25 am-7:33 pm

2 stops17h 08m

$666

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/20

6:29 am-9:05 am

1 stop20h 36m

Lisbon Humberto Delgado

Mon 4/27

8:25 am-7:33 pm

2 stops17h 08m

$669

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Tue 4/14

6:38 pm-6:45 pm

2 stops18h 07m

Lisbon Humberto Delgado

Wed 4/22

5:00 am-4:26 pm

2 stops17h 26m

$674

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/21

12:23 pm-10:55 am

2 stops16h 32m

Lisbon Humberto Delgado

Wed 4/29

5:00 am-4:42 pm

2 stops17h 42m

$674

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Wed 4/8

1:10 pm-10:55 am

2 stops15h 45m

Lisbon Humberto Delgado

Wed 4/15

5:00 am-6:36 pm

2 stops19h 36m

$675

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/21

2:33 pm-11:50 am

2 stops15h 17m

Lisbon Humberto Delgado

Wed 4/29

7:20 am-7:30 pm

1 stop18h 10m

$694

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 Illinois to Lisbon

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

Other information

What is the cheapest month to fly to Lisbon?

In general, February is the cheapest month to fly from Illinois to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $509. If you are unable to visit Lisbon during the month of February, then departing from Illinois during the month January is also very affordable. Most momondo users find prices during this month for around $578.

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

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $570. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Lisbon for around $772.

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

The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $586. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $757 on average. Flights to Lisbon from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $772 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Illinois for as low as $713 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Lisbon Humberto Delgado 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 Illinois to Lisbon flights?

You could potentially save up to 12% on your flight if you consider stops on a Illinois to Lisbon flight.

Cheap Illinois to Lisbon flight deals and tips

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

Best Price Found	$426
Fastest flight time	7h 55m
Direct flights	Mon, Thu, Sat and Sun
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Illinois in the past 72 hours is $426. The best round-trip flight deal from Illinois to Lisbon found on momondo in the last 72 hours is $647.

The fastest flight from Illinois to Lisbon takes 7h 55m

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

There is 1 airport in Lisbon. From Illinois there are direct flights to Lisbon Humberto Delgado (LIS).

Search flight deals

When did momondo last update prices for flights from Illinois to Lisbon Humberto Delgado Airport?
Prices for flights from Illinois to Lisbon Humberto Delgado Airport were last updated today.
How many operators does momondo search for flights from Illinois to Lisbon Humberto Delgado Airport?
As of March 2026, there are 18 operators available to choose from for flights from Illinois to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Illinois to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Lisbon?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Lisbon is Boeing 787 Dreamliner, representing 25.81% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 15.12%, Airbus A330-900neo at 12.22%, and Airbus A330-300 at 11.52%.

Best airlines flying from Illinois to Lisbon

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $369	Free Cancellation	Rating 7.3 1,722 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $373	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
Air France	PriceFrom $470	Free Cancellation	Rating 7.4 1,552 reviews	Search Air France flights
Lufthansa	PriceFrom $483	Free Cancellation	Rating 6.8 7,867 reviews	Search Lufthansa flights
TAP AIR PORTUGAL	PriceFrom $484	Free Cancellation	Rating 7.1 2,176 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $489	Free Cancellation	Rating 7.5 1,903 reviews	Search SWISS flights
Iberia	PriceFrom $496	Free Cancellation	Rating 7.0 3,153 reviews	Search Iberia flights
Aer Lingus	PriceFrom $497	Free Cancellation	Rating 7.2 1,487 reviews	Search Aer Lingus flights
Virgin Atlantic	PriceFrom $503	Free Cancellation	Rating 7.5 685 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $505	Free Cancellation	Rating 7.1 11,493 reviews	Search American Airlines flights

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Peniche

Estoril

Evora

Oeiras

Sesimbra

Leiria

Figueira da Foz

Tomar

Zambujeira do Mar

Óbidos

Batalha

Sines

Torres Vedras

Comporta

Almada

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Lisbon. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Illinois to Lisbon flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Lisbon.

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

Of course. momondo tracks the price of Illinois to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Illinois to Lisbon from $295

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Lisbon departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Illinois to Lisbon

Our best American Airlines deals on Illinois to Lisbon flight tickets

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How to get the cheapest flight ticket from Illinois to Lisbon

What is the cheapest month to fly to Lisbon?

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

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

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

How far in advance should I book a flight to Lisbon?

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

Can stopping save me money on Illinois to Lisbon flights?

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

What airlines fly to Lisbon?

How long does it take to fly to Lisbon?

Cheap Illinois to Lisbon flight deals and tips

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

Best Price Found

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Direct flights

Airports in Lisbon

Best airlines flying from Illinois to Lisbon

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

Traveling to a place near Lisbon?

Why use momondo?

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

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Fly your favorite airline to Lisbon

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List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

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