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

British Airways, Aer Lingus, and Air Canada are the most popular carriers operating from Illinois to Lisbon Humberto Delgado

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 11h 34m on average, while flying from Peoria to Lisbon is 27h 24m on average. Lisbon is the most popular airport in Lisbon.

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 62% 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.

How many flights depart from Illinois to Lisbon on average per week?

8 flights are operational weekly from Illinois to Lisbon as of May 2026. The most popular departure day for this route is Wed, with 25% of flights per week taking off on this day.

How many flights depart from Illinois to Lisbon on average per day?

As of May 2026, there are 1 flights per day flying from Illinois to Lisbon. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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 May 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.

$349 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.

4:15 pm - 11:00 am

STL

LIS

13h 45m

1 stop

5:00 am - 1:55 pm

LIS

STL

14h 55m

1 stop

$758Multiple Airlines

Mon, Oct 26 - Wed, Nov 4

4:15 pm - 9:50 am

STL

LIS

12h 35m

2 stops

5:00 am - 1:55 pm

LIS

STL

14h 55m

1 stop

$760Multiple Airlines

Mon, Oct 26 - Wed, Nov 4

3:42 pm - 4:05 pm

STL

LIS

18h 23m

2 stops

4:55 pm - 11:39 pm

LIS

STL

36h 44m

2 stops

$770Scandinavian Airlines

Wed, Nov 4 - Tue, Nov 10

3:42 pm - 4:05 pm

STL

LIS

18h 23m

2 stops

4:55 pm - 11:39 pm

LIS

STL

36h 44m

2 stops

$773Scandinavian Airlines

Wed, Nov 4 - Tue, Nov 10

6:30 am - 9:50 am

STL

LIS

21h 20m

2 stops

5:00 am - 1:55 pm

LIS

STL

14h 55m

1 stop

$777United Airlines

Tue, Nov 3 - Fri, Nov 13

3:15 pm - 10:15 am

STL

LIS

13h 00m

2 stops

5:00 am - 1:55 pm

LIS

STL

14h 55m

1 stop

$778United Airlines

Mon, Nov 2 - Wed, Nov 11

11:25 am - 3:35 pm

ORD

LIS

22h 10m

1 stop

11:00 am - 9:40 am

LIS

ORD

28h 40m

1 stop

$780Turkish Airlines

Mon, Aug 24 - Fri, Sep 4

6:30 am - 8:10 am

STL

LIS

19h 40m

1 stop

11:20 am - 4:40 pm

LIS

STL

35h 20m

2 stops

$780United Airlines

Wed, Nov 4 - Tue, Nov 10

11:25 am - 3:35 pm

ORD

LIS

22h 10m

1 stop

5:55 am - 9:40 am

LIS

ORD

33h 45m

1 stop

$781Turkish Airlines

Wed, Sep 30 - Mon, Oct 5

7:50 pm - 2:50 pm

ORD

LIS

14h 00m

1 stop

11:05 am - 7:42 pm

LIS

ORD

14h 37m

2 stops

$787American Airlines

Wed, Oct 28 - Tue, Nov 3

Turkish Airlines flights from Illinois to Lisbon

Our best Turkish Airlines deals on Illinois to Lisbon flight tickets

Turkish Airlines

Aug 24

ORD11:25 amChicago O'Hare Intl

22h 10m

1 stop

LIS3:35 pmLisbon Humberto Delgado

Sep 4

LIS11:00 amLisbon Humberto Delgado

28h 40m

1 stop

ORD9:40 amChicago O'Hare Intl

$780

Turkish Airlines

Sep 30

ORD11:25 amChicago O'Hare Intl

22h 10m

1 stop

LIS3:35 pmLisbon Humberto Delgado

Oct 5

LIS5:55 amLisbon Humberto Delgado

33h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$781

Turkish Airlines

Sep 10

ORD11:25 amChicago O'Hare Intl

22h 20m

1 stop

LIS3:45 pmLisbon Humberto Delgado

Sep 22

LIS5:55 amLisbon Humberto Delgado

33h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$784

American Airlines flights from Illinois to Lisbon

Our best American Airlines deals on Illinois to Lisbon flight tickets

American Airlines

Oct 28

ORD7:50 pmChicago O'Hare Intl

14h 00m

1 stop

LIS2:50 pmLisbon Humberto Delgado

Nov 3

LIS11:05 amLisbon Humberto Delgado

14h 37m

2 stops

ORD7:42 pmChicago O'Hare Intl

$787

American Airlines

Oct 28

ORD4:40 pmChicago O'Hare Intl

11h 25m

2 stops

LIS9:05 amLisbon Humberto Delgado

Nov 3

LIS11:05 amLisbon Humberto Delgado

14h 37m

2 stops

ORD7:42 pmChicago O'Hare Intl

$812

American Airlines

May 16

STL6:29 amLambert-St Louis

20h 36m

1 stop

LIS9:05 amLisbon Humberto Delgado

May 23

LIS8:25 amLisbon Humberto Delgado

17h 07m

2 stops

STL7:32 pmLambert-St Louis

$1,321

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 10/26

4:15 pm-11:00 am

1 stop13h 45m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-1:55 pm

1 stop14h 55m

$758

Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 10/26

4:15 pm-9:50 am

2 stops12h 35m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-1:55 pm

1 stop14h 55m

$760

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

3:42 pm-4:05 pm

2 stops18h 23m

Lisbon Humberto Delgado

Tue 11/10

4:55 pm-11:39 pm

2 stops36h 44m

$770

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

3:42 pm-4:05 pm

2 stops18h 23m

Lisbon Humberto Delgado

Tue 11/10

4:55 pm-11:39 pm

2 stops36h 44m

$773

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/3

6:30 am-9:50 am

2 stops21h 20m

Lisbon Humberto Delgado

Fri 11/13

5:00 am-1:55 pm

1 stop14h 55m

$777

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 11/2

3:15 pm-10:15 am

2 stops13h 00m

Lisbon Humberto Delgado

Wed 11/11

5:00 am-1:55 pm

1 stop14h 55m

$778

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 8/24

11:25 am-3:35 pm

1 stop22h 10m

Lisbon Humberto Delgado

Fri 9/4

11:00 am-9:40 am

1 stop28h 40m

$780

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

6:30 am-8:10 am

1 stop19h 40m

Lisbon Humberto Delgado

Tue 11/10

11:20 am-4:40 pm

2 stops35h 20m

$780

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 9/30

11:25 am-3:35 pm

1 stop22h 10m

Lisbon Humberto Delgado

Mon 10/5

5:55 am-9:40 am

1 stop33h 45m

$781

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 10/28

7:50 pm-2:50 pm

1 stop14h 00m

Lisbon Humberto Delgado

Tue 11/3

11:05 am-7:42 pm

2 stops14h 37m

$787

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 $360. 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 $370.

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 $576. 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 $785.

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 $582. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $754 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 from Illinois 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 $785 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 $649 on momondo.

Can stopping save me money on Illinois to Lisbon flights?

You could potentially save up to 1% 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	$472
Fastest flight time	8h 00m
Direct flights	Mon, Thu, Fri, Sat and Sun
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Illinois in the past 72 hours is $472. The best round-trip flight deal from Illinois to Lisbon found on momondo in the last 72 hours is $887.

The fastest flight from Illinois to Lisbon takes 8h 00m

Direct flights go from Illinois to Lisbon on Monday, Thursday, Friday, 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

Frequently asked questions about flying from Illinois to Lisbon

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 May 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 25.42% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 16.21%, Airbus A330-300 at 13.07%, and Airbus A330-900neo at 11.70%.

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 7.4 1,771 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $371	Free Cancellation	Rating 7.0 653 reviews	Search Icelandair flights
Air France	PriceFrom $470	Free Cancellation	Rating 7.4 1,585 reviews	Search Air France flights
TAP AIR PORTUGAL	PriceFrom $482	Free Cancellation	Rating 7.2 2,249 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $483	Free Cancellation	Rating 6.8 7,985 reviews	Search Lufthansa flights
SWISS	PriceFrom $489	Free Cancellation	Rating 7.6 1,937 reviews	Search SWISS flights
Delta	PriceFrom $494	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
Iberia	PriceFrom $496	Free Cancellation	Rating 7.0 3,214 reviews	Search Iberia flights
Aer Lingus	PriceFrom $497	Free Cancellation	Rating 7.3 1,551 reviews	Search Aer Lingus flights
Virgin Atlantic	PriceFrom $503	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights

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Óbidos

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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 $349

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 10/18. 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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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 from Illinois to Lisbon?

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 many flights depart from Illinois to Lisbon on average per day?

How many flights depart from Illinois to Lisbon on average per week?

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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Frequently asked questions about flying from Illinois to Lisbon

Best airlines flying from Illinois to Lisbon

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

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Why use momondo?

An easier way to manage your Lisbon trip

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