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Cheap flights from Illinois to Lisbon from $211

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 4/21. 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 Illinois to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:50 pm - 3:05 pm
STL
-
LIS
17h 15m
1 stop
Lufthansa Logo
3:55 pm - 11:51 pm
LIS
-
STL
36h 56m
2 stops
$467Lufthansa
Sun, Mar 1 - Tue, Mar 17
Scandinavian Airlines Logo
7:20 pm - 5:10 pm
ORD
-
LIS
15h 50m
1 stop
Scandinavian Airlines Logo
6:00 pm - 5:45 pm
LIS
-
ORD
28h 45m
1 stop
$479Scandinavian Airlines
Sat, Feb 28 - Sun, Mar 8
Lufthansa Logo
5:05 pm - 11:30 am
ORD
-
LIS
13h 25m
1 stop
Lufthansa Logo
4:20 pm - 7:55 pm
LIS
-
ORD
33h 35m
1 stop
$480Lufthansa
Mon, Mar 23 - Mon, Mar 30
SWISS Logo
7:05 pm - 11:25 pm
ORD
-
LIS
22h 20m
1 stop
SWISS Logo
6:10 pm - 12:35 pm
LIS
-
ORD
24h 25m
1 stop
$481SWISS
Sun, Apr 12 - Tue, Apr 28
United Airlines Logo
7:00 am - 8:10 am
STL
-
LIS
19h 10m
1 stop
United Airlines Logo
5:00 am - 11:51 pm
LIS
-
STL
23h 51m
2 stops
$483United Airlines
Sun, Mar 1 - Tue, Mar 17
Delta Logo
9:45 am - 8:00 am
STL
-
LIS
16h 15m
2 stops
Delta Logo
5:00 am - 8:43 pm
LIS
-
STL
20h 43m
2 stops
$486Delta
Sun, Mar 1 - Tue, Mar 17
Multiple Airlines Logo
9:40 pm - 10:45 pm
ORD
-
LIS
19h 05m
1 stop
Multiple Airlines Logo
11:25 am - 10:53 am
LIS
-
ORD
29h 28m
1 stop
$486Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
4:14 pm - 8:10 am
ORD
-
LIS
9h 56m
1 stop
United Airlines Logo
5:00 am - 4:20 pm
LIS
-
ORD
16h 20m
1 stop
$487United Airlines
Mon, Mar 2 - Tue, Mar 10
Delta Logo
9:35 am - 5:50 pm
MDW
-
LIS
26h 15m
2 stops
Delta Logo
11:55 am - 6:36 pm
LIS
-
MDW
36h 41m
2 stops
$502Delta
Sun, Apr 12 - Wed, Apr 22
Multiple Airlines Logo
6:55 pm - 11:30 pm
STL
-
LIS
22h 35m
2 stops
Multiple Airlines Logo
5:00 am - 2:29 pm
LIS
-
STL
39h 29m
2 stops
$504Multiple Airlines
Sun, Mar 1 - Sun, Mar 8

KLM flights from Illinois to Lisbon

Our best KLM deals on Illinois to Lisbon flight tickets
KLM
Apr 12
ORD7:00 amChicago O'Hare Intl
19h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
Apr 28
LIS7:45 pmLisbon Humberto Delgado
24h 45m
1 stop
ORD2:30 pmChicago O'Hare Intl
$488
KLM
Mar 23
ORD7:00 amChicago O'Hare Intl
21h 00m
1 stop
LIS9:00 amLisbon Humberto Delgado
Mar 30
LIS7:45 pmLisbon Humberto Delgado
24h 30m
1 stop
ORD2:15 pmChicago O'Hare Intl
$489
KLM
Feb 11
ORD4:25 pmChicago O'Hare Intl
12h 10m
1 stop
LIS10:35 amLisbon Humberto Delgado
Feb 17
LIS3:30 pmLisbon Humberto Delgado
28h 50m
1 stop
ORD2:20 pmChicago O'Hare Intl
$495

Icelandair flights from Illinois to Lisbon

Our best Icelandair deals on Illinois to Lisbon flight tickets
Icelandair
May 9
ORD7:25 pmChicago O'Hare Intl
12h 25m
1 stop
LIS1:50 pmLisbon Humberto Delgado
May 21
LIS10:20 pmLisbon Humberto Delgado
29h 05m
1 stop
ORD9:25 pmChicago O'Hare Intl
$502
Icelandair
Feb 11
ORD6:30 pmChicago O'Hare Intl
19h 50m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Feb 22
LIS9:20 pmLisbon Humberto Delgado
26h 00m
1 stop
ORD5:20 pmChicago O'Hare Intl
$511
Icelandair
Feb 7
ORD6:30 pmChicago O'Hare Intl
19h 50m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Feb 15
LIS9:20 pmLisbon Humberto Delgado
26h 00m
1 stop
ORD5:20 pmChicago O'Hare Intl
$534

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Lisbon 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 February 1, 2026.
Use the filters below to find and compare flights from Illinois to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 3/1

3:50 pm-3:05 pm

1 stop17h 15m

Lisbon Humberto Delgado

Tue 3/17

3:55 pm-11:51 pm

2 stops36h 56m

$467

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 2/28

7:20 pm-5:10 pm

1 stop15h 50m

Lisbon Humberto Delgado

Sun 3/8

6:00 pm-5:45 pm

1 stop28h 45m

$479

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 3/23

5:05 pm-11:30 am

1 stop13h 25m

Lisbon Humberto Delgado

Mon 3/30

4:20 pm-7:55 pm

1 stop33h 35m

$480

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 4/12

7:05 pm-11:25 pm

1 stop22h 20m

Lisbon Humberto Delgado

Tue 4/28

6:10 pm-12:35 pm

1 stop24h 25m

$481

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 3/1

7:00 am-8:10 am

1 stop19h 10m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-11:51 pm

2 stops23h 51m

$483

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 3/1

9:45 am-8:00 am

2 stops16h 15m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-8:43 pm

2 stops20h 43m

$486

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 4/14

9:40 pm-10:45 pm

1 stop19h 05m

Lisbon Humberto Delgado

Tue 4/21

11:25 am-10:53 am

1 stop29h 28m

$486

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 3/2

4:14 pm-8:10 am

1 stop9h 56m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-4:20 pm

1 stop16h 20m

$487

ChicagoLisbon

MDW - LIS

MDWLIS

Chicago Midway

Sun 4/12

9:35 am-5:50 pm

2 stops26h 15m

Lisbon Humberto Delgado

Wed 4/22

11:55 am-6:36 pm

2 stops36h 41m

$502

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 3/1

6:55 pm-11:30 pm

2 stops22h 35m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-2:29 pm

2 stops39h 29m

$504

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 Lisbon from

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

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 $530. 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 $589.

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 $575. 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 $784.

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 $780 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 $771 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 $689 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.

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

$355

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 $355. The best round-trip flight deal from Illinois to Lisbon found on momondo in the last 72 hours is $471.
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?

  • 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?

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 AirlinesPriceFrom $369Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $371Free CancellationRating
7.1
606 reviews
Search Icelandair flights
LufthansaPriceFrom $441Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Air FrancePriceFrom $470Free CancellationRating
7.4
1,531 reviews
Search Air France flights
TAP AIR PORTUGALPriceFrom $488Free CancellationRating
7.1
2,132 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $489Free CancellationRating
7.6
1,864 reviews
Search SWISS flights
Aer LingusPriceFrom $497Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom $503Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $505Free CancellationRating
7.2
11,211 reviews
Search American Airlines flights
KLMPriceFrom $513Free CancellationRating
7.7
1,448 reviews
Search KLM flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Peniche
Leiria
Oeiras
Sesimbra
Evora
Tomar
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Comporta
Torres Vedras
Sines
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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