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Cheap flights from Illinois to Lisbon from $258

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 10/1. 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

Scandinavian Airlines Logo
7:10 pm - 4:05 pmORD-LIS
14h 55m1 stop
Scandinavian Airlines Logo
4:55 pm - 4:45 pmLIS-ORD
29h 50m1 stop
$434Scandinavian Airlines
Find Deal
Sun, Feb 1 - Sun, Feb 15
Scandinavian Airlines Logo
7:20 pm - 4:05 pmORD-LIS
14h 45m1 stop
Scandinavian Airlines Logo
4:55 pm - 4:45 pmLIS-ORD
29h 50m1 stop
$435Scandinavian Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Icelandair Logo
6:30 pm - 8:20 pmORD-LIS
19h 50m1 stop
Icelandair Logo
9:20 pm - 5:20 pmLIS-ORD
26h 00m1 stop
$444Icelandair
Find Deal
Wed, Dec 3 - Thu, Dec 11
Icelandair Logo
6:30 pm - 8:20 pmORD-LIS
19h 50m1 stop
Icelandair Logo
9:20 pm - 5:20 pmLIS-ORD
26h 00m1 stop
$445Icelandair
Find Deal
Wed, Dec 3 - Thu, Dec 11
Logo
10:40 am - 6:40 pmORD-LIS
26h 00m2 stops
Logo
10:45 pm - 5:33 pmLIS-ORD
24h 48m2 stops
$450
Find Deal
Mon, Oct 6 - Mon, Oct 13
United Airlines Logo
10:00 am - 9:20 amORD-LIS
17h 20m1 stop
United Airlines Logo
5:00 am - 3:20 pmLIS-ORD
16h 20m1 stop
$457United Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 16
Logo
4:45 pm - 10:45 amORD-LIS
12h 00m1 stop
Logo
7:10 am - 2:30 pmLIS-ORD
13h 20m1 stop
$460
Find Deal
Wed, Dec 3 - Wed, Dec 10
United Airlines Logo
3:55 pm - 9:20 amORD-LIS
11h 25m1 stop
United Airlines Logo
5:00 am - 6:30 pmLIS-ORD
19h 30m2 stops
$466United Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 16
TAP AIR PORTUGAL Logo
9:15 pm - 10:10 amORD-LIS
7h 55mnonstop
TAP AIR PORTUGAL Logo
11:40 am - 3:15 pmLIS-ORD
9h 35mnonstop
$472TAP AIR PORTUGAL
Find Deal
Fri, Oct 31 - Fri, Nov 7
TAP AIR PORTUGAL Logo
7:10 pm - 9:05 amORD-LIS
7h 55mnonstop
TAP AIR PORTUGAL Logo
11:25 am - 3:00 pmLIS-ORD
9h 35mnonstop
$478TAP AIR PORTUGAL
Find Deal
Wed, Dec 3 - Wed, Dec 10

Lufthansa flights from Illinois to Lisbon

Our best Lufthansa deals on Illinois to Lisbon flight tickets
Lufthansa
Nov 18
STL11:49 amLambert-St Louis
14h 21m
1 stop
LIS8:10 amLisbon Humberto Delgado
Dec 3
LIS5:00 amLisbon Humberto Delgado
14h 55m
1 stop
STL1:55 pmLambert-St Louis
$588
Find similar
Lufthansa
Nov 19
STL3:50 pmLambert-St Louis
17h 00m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Dec 3
LIS5:00 amLisbon Humberto Delgado
14h 55m
1 stop
STL1:55 pmLambert-St Louis
$598
Find similar
Lufthansa
Nov 19
STL3:50 pmLambert-St Louis
17h 00m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Dec 5
LIS5:00 amLisbon Humberto Delgado
18h 03m
2 stops
STL5:03 pmLambert-St Louis
$608
Find similar

KLM flights from Illinois to Lisbon

Our best KLM deals on Illinois to Lisbon flight tickets
KLM
Nov 18
STL4:27 pmLambert-St Louis
10h 33m
1 stop
LIS9:00 amLisbon Humberto Delgado
Dec 4
LIS10:00 amLisbon Humberto Delgado
12h 40m
1 stop
STL4:40 pmLambert-St Louis
$593
Find similar
KLM
Nov 18
STL11:51 amLambert-St Louis
15h 09m
2 stops
LIS9:00 amLisbon Humberto Delgado
Dec 5
LIS10:00 amLisbon Humberto Delgado
16h 49m
2 stops
STL8:49 pmLambert-St Louis
$597
Find similar
KLM
Nov 11
STL4:27 pmLambert-St Louis
10h 33m
1 stop
LIS9:00 amLisbon Humberto Delgado
Nov 17
LIS10:00 amLisbon Humberto Delgado
12h 40m
1 stop
STL4:40 pmLambert-St Louis
$602
Find similar

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 August 13, 2025.
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

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 2/1

7:10 pm-4:05 pm

1 stop14h 55m

Lisbon Humberto Delgado

Sun 2/15

4:55 pm-4:45 pm

1 stop29h 50m

$434

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Thu 12/4

7:20 pm-4:05 pm

1 stop14h 45m

Lisbon Humberto Delgado

Sun 12/7

4:55 pm-4:45 pm

1 stop29h 50m

$435

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/3

6:30 pm-8:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

Thu 12/11

9:20 pm-5:20 pm

1 stop26h 00m

$444

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/3

6:30 pm-8:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

Thu 12/11

9:20 pm-5:20 pm

1 stop26h 00m

$445

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 10/6

10:40 am-6:40 pm

2 stops26h 00m

Lisbon Humberto Delgado

Mon 10/13

10:45 pm-5:33 pm

2 stops24h 48m

$450

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 12/1

10:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Tue 12/16

5:00 am-3:20 pm

1 stop16h 20m

$457

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/3

4:45 pm-10:45 am

1 stop12h 00m

Lisbon Humberto Delgado

Wed 12/10

7:10 am-2:30 pm

1 stop13h 20m

$460

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 12/1

3:55 pm-9:20 am

1 stop11h 25m

Lisbon Humberto Delgado

Tue 12/16

5:00 am-6:30 pm

2 stops19h 30m

$466

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 10/31

9:15 pm-10:10 am

Nonstop7h 55m

Lisbon Humberto Delgado

Fri 11/7

11:40 am-3:15 pm

Nonstop9h 35m

$472

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 12/3

7:10 pm-9:05 am

Nonstop7h 55m

Lisbon Humberto Delgado

Wed 12/10

11:25 am-3:00 pm

Nonstop9h 35m

$478

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 $558. 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 $588.

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 $590. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Lisbon for around $823.

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 $551. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $814 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 $752 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 $731 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 22% 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

$258

Fastest flight time

7h 55m

Direct flights

Mon, Tue, Thu and Sat

Airports in Lisbon

1 airport
The best one-way flight to Lisbon from Illinois in the past 72 hours is $258. The best round-trip flight deal from Illinois to Lisbon found on momondo in the last 72 hours is $434.
The fastest flight from Illinois to Lisbon takes 7h 55m
Direct flights go from Illinois to Lisbon on Monday, Tuesday, Thursday and Saturday. Airlines offering direct flights are: TAP AIR PORTUGAL and JetBlue.
There is 1 airport near Lisbon: 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 $411Free CancellationRating
7.4
1,466 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $444Free CancellationRating
7.0
526 reviews
Search Icelandair flights
FinnairPriceFrom $463Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $484Free CancellationRating
7.1
1,945 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom $490Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom $494Free CancellationRating
7.1
1,210 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $511Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SWISSPriceFrom $517Free CancellationRating
7.5
1,698 reviews
Search SWISS flights
KLMPriceFrom $527Free CancellationRating
7.8
1,381 reviews
Search KLM flights
British AirwaysPriceFrom $537Free CancellationRating
6.6
7,265 reviews
Search British Airways flights

Traveling to a place near Lisbon?

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

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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