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Cheap flights from Lisbon to Illinois from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Illinois departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Lisbon to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:55 pm - 4:45 pm
LIS
-
ORD
29h 50m1 stop
Scandinavian Airlines Logo
7:20 pm - 4:05 pm
ORD
-
LIS
14h 45m1 stop
$427Scandinavian Airlines
Wed, Feb 4 - Sat, Feb 14
Scandinavian Airlines Logo
4:55 pm - 4:45 pm
LIS
-
ORD
29h 50m1 stop
Scandinavian Airlines Logo
7:10 pm - 4:30 pm
ORD
-
LIS
15h 20m1 stop
$429Scandinavian Airlines
Sun, Jan 25 - Sun, Feb 8
Scandinavian Airlines Logo
4:55 pm - 4:45 pm
LIS
-
ORD
29h 50m1 stop
Scandinavian Airlines Logo
7:10 pm - 4:30 pm
ORD
-
LIS
15h 20m1 stop
$438Scandinavian Airlines
Sun, Jan 25 - Sun, Feb 8
British Airways Logo
11:05 am - 10:44 pm
LIS
-
STL
17h 39m1 stop
British Airways Logo
11:05 am - 2:55 pm
STL
-
LIS
21h 50m2 stops
$718British Airways
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
8:20 am - 6:14 pm
LIS
-
STL
15h 54m2 stops
American Airlines Logo
11:05 am - 9:05 am
STL
-
LIS
16h 00m2 stops
$728American Airlines
Fri, Jan 16 - Mon, Jan 19
Delta Logo
5:00 am - 5:37 pm
LIS
-
MDW
18h 37m2 stops
Delta Logo
1:49 pm - 11:20 am
MDW
-
LIS
15h 31m2 stops
$740Delta
Fri, Jan 16 - Fri, Jan 23
Delta Logo
5:00 am - 6:32 pm
LIS
-
MDW
19h 32m2 stops
Delta Logo
6:35 pm - 3:10 pm
MDW
-
LIS
14h 35m2 stops
$746Delta
Sun, Jan 18 - Sun, Feb 1
United Airlines Logo
5:00 am - 1:55 pm
LIS
-
STL
14h 55m1 stop
United Airlines Logo
8:30 am - 8:10 am
STL
-
LIS
17h 40m2 stops
$766United Airlines
Fri, Jan 23 - Tue, Jan 27
American Airlines Logo
8:20 am - 6:22 pm
LIS
-
PIA
16h 02m2 stops
American Airlines Logo
6:53 pm - 9:55 pm
PIA
-
LIS
21h 02m2 stops
$785American Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
10:15 am - 10:58 pm
LIS
-
STL
18h 43m2 stops
United Airlines Logo
1:15 pm - 8:10 am
STL
-
LIS
12h 55m2 stops
$799United Airlines
Fri, Jan 16 - Mon, Jan 19

Scandinavian Airlines flights from Lisbon to Illinois

Our best Scandinavian Airlines deals on Lisbon to Illinois flight tickets
Scandinavian Airlines
Feb 4
LIS4:55 pmLisbon Humberto Delgado
29h 50m
1 stop
ORD4:45 pmChicago O'Hare Intl
Feb 14
ORD7:20 pmChicago O'Hare Intl
14h 45m
1 stop
LIS4:05 pmLisbon Humberto Delgado
$427
Find similar
Scandinavian Airlines
Jan 25
LIS4:55 pmLisbon Humberto Delgado
29h 50m
1 stop
ORD4:45 pmChicago O'Hare Intl
Feb 8
ORD7:10 pmChicago O'Hare Intl
15h 20m
1 stop
LIS4:30 pmLisbon Humberto Delgado
$429
Find similar
Scandinavian Airlines
Jan 25
LIS4:55 pmLisbon Humberto Delgado
29h 50m
1 stop
ORD4:45 pmChicago O'Hare Intl
Feb 8
ORD7:10 pmChicago O'Hare Intl
15h 20m
1 stop
LIS4:30 pmLisbon Humberto Delgado
$438
Find similar

TAP AIR PORTUGAL flights from Lisbon to Illinois

Our best TAP AIR PORTUGAL deals on Lisbon to Illinois flight tickets
TAP AIR PORTUGAL
Jan 18
LIS11:10 amLisbon Humberto Delgado
9h 35m
ORD2:45 pmChicago O'Hare Intl
Feb 1
ORD8:25 pmChicago O'Hare Intl
7h 55m
LIS10:20 amLisbon Humberto Delgado
$554
Find similar
TAP AIR PORTUGAL
Jan 18
LIS11:10 amLisbon Humberto Delgado
9h 35m
ORD2:45 pmChicago O'Hare Intl
Feb 1
ORD8:25 pmChicago O'Hare Intl
7h 55m
LIS10:20 amLisbon Humberto Delgado
$559
Find similar
TAP AIR PORTUGAL
Feb 1
LIS11:10 amLisbon Humberto Delgado
9h 35m
ORD2:45 pmChicago O'Hare Intl
Feb 11
ORD7:10 pmChicago O'Hare Intl
7h 55m
LIS9:05 amLisbon Humberto Delgado
$563
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Lisbon to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Wed 2/4

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sat 2/14

7:20 pm-4:05 pm

1 stop14h 45m

$427

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 1/25

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sun 2/8

7:10 pm-4:30 pm

1 stop15h 20m

$429

LisbonChicago

LIS - ORD

LISORD

Lisbon Humberto Delgado

Sun 1/25

4:55 pm-4:45 pm

1 stop29h 50m

Chicago O'Hare Intl

Sun 2/8

7:10 pm-4:30 pm

1 stop15h 20m

$438

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 1/16

11:05 am-10:44 pm

1 stop17h 39m

Lambert-St Louis

Mon 1/19

11:05 am-2:55 pm

2 stops21h 50m

$718

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 1/16

8:20 am-6:14 pm

2 stops15h 54m

Lambert-St Louis

Mon 1/19

11:05 am-9:05 am

2 stops16h 00m

$728

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Fri 1/16

5:00 am-5:37 pm

2 stops18h 37m

Chicago Midway

Fri 1/23

1:49 pm-11:20 am

2 stops15h 31m

$740

LisbonChicago

LIS - MDW

LISMDW

Lisbon Humberto Delgado

Sun 1/18

5:00 am-6:32 pm

2 stops19h 32m

Chicago Midway

Sun 2/1

6:35 pm-3:10 pm

2 stops14h 35m

$746

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 1/23

5:00 am-1:55 pm

1 stop14h 55m

Lambert-St Louis

Tue 1/27

8:30 am-8:10 am

2 stops17h 40m

$766

LisbonPeoria

LIS - PIA

LISPIA

Lisbon Humberto Delgado

Thu 2/19

8:20 am-6:22 pm

2 stops16h 02m

Greater Peoria

Mon 2/23

6:53 pm-9:55 pm

2 stops21h 02m

$785

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 1/16

10:15 am-10:58 pm

2 stops18h 43m

Lambert-St Louis

Mon 1/19

1:15 pm-8:10 am

2 stops12h 55m

$799

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

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 $643, 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 March is also cheap. Prices for this month can be found on momondo for an average of $710.

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 $748. Flights from Lisbon to Illinois on a Friday will generally be more expensive and average around $1,209. 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 in the evening. Flights from Lisbon to Illinois during this time can be as low as $622. Flights in the morning are often more expensive with an average ticket price of $1,095.

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 13% 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

Best Price Found

$549

Fastest flight time

9h 20m

Direct flights

Mon, Thu and Sat

Airports in Illinois

1 airport
The best one-way flight to Illinois from Lisbon in the past 72 hours is $549. The best round-trip flight deal from Lisbon to Illinois found on momondo in the last 72 hours is $529.
The fastest flight from Lisbon to Illinois takes 9h 20m
Direct flights go from Lisbon to Illinois on Monday, Thursday and Saturday. The only airline offering direct flights is TAP AIR PORTUGAL.
There is 1 airport near Illinois: 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?

  • 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?

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
TAP AIR PORTUGALPriceFrom $580Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $650Free CancellationRating
7.9
8,011 reviews
Search Delta flights
KLMPriceFrom $653Free CancellationRating
7.7
1,430 reviews
Search KLM flights
Aer LingusPriceFrom $669Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $734Free CancellationRating
7.4
9,066 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.

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