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Cheap flights from Illinois to Europe from $164

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 Europe departing on 9/22. 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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Cheap round-trip flights

TAP AIR PORTUGAL Logo
7:10 pm - 2:05 pmORD-MAD
11h 55m1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 3:15 pmMAD-ORD
28h 15m1 stop
$321TAP AIR PORTUGAL
Find Deal
mié., nov. 12 - jue., nov. 20
TAP AIR PORTUGAL Logo
7:10 pm - 2:05 pmORD-MAD
11h 55m1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 3:15 pmMAD-ORD
28h 15m1 stop
$323TAP AIR PORTUGAL
Find Deal
mié., nov. 12 - jue., nov. 20
United Airlines Logo
8:40 am - 6:40 amORD-MAD
15h 00m1 stop
United Airlines Logo
11:15 am - 11:15 pmMAD-ORD
19h 00m1 stop
$340United Airlines
Find Deal
lun., sep. 22 - mié., oct. 1
Logo
7:15 am - 8:00 amORD-MAD
17h 45m1 stop
Logo
7:35 pm - 4:20 pmMAD-ORD
27h 45m1 stop
$343
Find Deal
mar., nov. 4 - mié., nov. 12
Logo
12:50 pm - 8:00 amORD-MAD
12h 10m1 stop
Logo
7:35 pm - 4:20 pmMAD-ORD
27h 45m1 stop
$344
Find Deal
mar., nov. 4 - mar., nov. 11
United Airlines Logo
11:05 am - 7:00 amORD-MAD
13h 55m2 stops
United Airlines Logo
1:35 pm - 7:25 pmMAD-ORD
36h 50m2 stops
$345United Airlines
Find Deal
mar., oct. 28 - vie., nov. 14
Finnair Logo
4:45 pm - 7:55 amORD-MAD
8h 10mnonstop
Finnair Logo
11:35 am - 2:30 pmMAD-ORD
9h 55mnonstop
$350Finnair
Find Deal
mar., nov. 4 - mar., nov. 11
Iberia Logo
1:43 pm - 8:15 amORD-MAD
11h 32m1 stop
Iberia Logo
4:40 pm - 6:50 pmMAD-ORD
9h 10mnonstop
$351Iberia
Find Deal
mié., oct. 15 - mar., oct. 21
Finnair Logo
4:30 pm - 7:55 amORD-MAD
8h 25mnonstop
Finnair Logo
4:40 pm - 6:50 pmMAD-ORD
9h 10mnonstop
$353Finnair
Find Deal
mar., oct. 7 - mar., oct. 14
Iberia Logo
10:11 am - 6:05 amORD-MAD
12h 54m1 stop
Iberia Logo
4:40 pm - 6:50 pmMAD-ORD
9h 10mnonstop
$354Iberia
Find Deal
mié., oct. 8 - mar., oct. 14

TAP AIR PORTUGAL flights from Illinois to Europe

Our best TAP AIR PORTUGAL deals on Illinois to Europe flight tickets
TAP AIR PORTUGAL
Nov 12
ORD7:10 pmChicago O'Hare Intl
11h 55m
1 stop
MAD2:05 pmMadrid Barajas
Nov 20
MAD6:00 pmMadrid Barajas
28h 15m
1 stop
ORD3:15 pmChicago O'Hare Intl
$321
Find similar
TAP AIR PORTUGAL
Nov 12
ORD7:10 pmChicago O'Hare Intl
11h 55m
1 stop
MAD2:05 pmMadrid Barajas
Nov 20
MAD6:00 pmMadrid Barajas
28h 15m
1 stop
ORD3:15 pmChicago O'Hare Intl
$323
Find similar
TAP AIR PORTUGAL
Sep 22
ORD6:10 pmChicago O'Hare Intl
11h 30m
1 stop
MAD12:40 pmMadrid Barajas
Oct 1
MAD7:40 amMadrid Barajas
15h 30m
1 stop
ORD4:10 pmChicago O'Hare Intl
$331
Find similar

United Airlines flights from Illinois to Europe

Our best United Airlines deals on Illinois to Europe flight tickets
United Airlines
Sep 22
ORD8:40 amChicago O'Hare Intl
15h 00m
1 stop
MAD6:40 amMadrid Barajas
Oct 1
MAD11:15 amMadrid Barajas
19h 00m
1 stop
ORD11:15 pmChicago O'Hare Intl
$340
Find similar
United Airlines
Oct 28
ORD11:05 amChicago O'Hare Intl
13h 55m
2 stops
MAD7:00 amMadrid Barajas
Nov 14
MAD1:35 pmMadrid Barajas
36h 50m
2 stops
ORD7:25 pmChicago O'Hare Intl
$345
Find similar
United Airlines
Oct 27
ORD9:10 pmChicago O'Hare Intl
28h 55m
1 stop
MAD8:05 amMadrid Barajas
Nov 14
MAD1:35 pmMadrid Barajas
28h 43m
1 stop
ORD11:18 amChicago O'Hare Intl
$346
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Europe 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 agosto 4, 2025.
Use the filters below to find and compare flights from Illinois to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mié. 11/12

7:10 pm-2:05 pm

1 stop11h 55m

Madrid Barajas

jue. 11/20

6:00 pm-3:15 pm

1 stop28h 15m

$321

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mié. 11/12

7:10 pm-2:05 pm

1 stop11h 55m

Madrid Barajas

jue. 11/20

6:00 pm-3:15 pm

1 stop28h 15m

$323

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

lun. 9/22

8:40 am-6:40 am

1 stop15h 00m

Madrid Barajas

mié. 10/1

11:15 am-11:15 pm

1 stop19h 00m

$340

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mar. 11/4

7:15 am-8:00 am

1 stop17h 45m

Madrid Barajas

mié. 11/12

7:35 pm-4:20 pm

1 stop27h 45m

$343

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mar. 11/4

12:50 pm-8:00 am

1 stop12h 10m

Madrid Barajas

mar. 11/11

7:35 pm-4:20 pm

1 stop27h 45m

$344

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mar. 10/28

11:05 am-7:00 am

2 stops13h 55m

Madrid Barajas

vie. 11/14

1:35 pm-7:25 pm

2 stops36h 50m

$345

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mar. 11/4

4:45 pm-7:55 am

Nonstop8h 10m

Madrid Barajas

mar. 11/11

11:35 am-2:30 pm

Nonstop9h 55m

$350

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mié. 10/15

1:43 pm-8:15 am

1 stop11h 32m

Madrid Barajas

mar. 10/21

4:40 pm-6:50 pm

Nonstop9h 10m

$351

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mar. 10/7

4:30 pm-7:55 am

Nonstop8h 25m

Madrid Barajas

mar. 10/14

4:40 pm-6:50 pm

Nonstop9h 10m

$353

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mié. 10/8

10:11 am-6:05 am

1 stop12h 54m

Madrid Barajas

mar. 10/14

4:40 pm-6:50 pm

Nonstop9h 10m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to Europe

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 Europe?

The cheapest month to fly to Europe from Illinois is in February. Flight prices, which tend to average around $648, are often lower during this time because this is during the off-season. If you aren’t able to travel to Europe during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $666.

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

The cheapest day to depart from Illinois to Europe is on a Tuesday. Travelers who choose to depart for Europe on a Tuesday will often find tickets for as low as $762. Flights from Illinois to Europe on a Saturday will generally be more expensive and average around $890. 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 Europe?

According to our data, the cheapest time of day to fly to Europe is in the morning. momondo users have found flights departing from Illinois to Europe in the morning for as low as $683. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $823. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to Europe flight route?

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

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

You are more likely to see cheaper flights to Europe from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $795 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from Illinois for as low as $703 on momondo.

What cabin class options are available on Illinois to Europe flights?

There are 4 cabin classes available to choose from on Illinois to Europe 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 Europe flights?

You could potentially save up to 42% on your flight if you consider stops on a Illinois to Europe flight.

Cheap Illinois to Europe flight deals and tips

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

Best Price Found

$164

Fastest flight time

7h 40m

Direct flights

Every day

Airports in Europe

8 airports
The best one-way flight to Europe from Illinois in the past 72 hours is $164. The best round-trip flight deal from Illinois to Europe found on momondo in the last 72 hours is $321.
The fastest flight from Illinois to Europe takes 7h 40m
Direct flights go from Illinois to Europe every day.
There are 8 airports near Europe: Dublin (DUB), Madrid Barajas (MAD), Rome Fiumicino (FCO), London City (LCY), London Heathrow (LHR), Paris Charles de Gaulle (CDG), Istanbul (IST), Barcelona-El Prat (BCN)
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  • When did momondo last update prices for flights from Illinois to Europe?

    Prices for flights from Illinois to Europe were last updated today.

  • How many operators does momondo search for flights from Illinois to Europe?

  • How old do you have to be to fly from Illinois to Europe?

    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 Illinois to Europe.

  • What documentation or ID do you need to fly to Europe?

    The travel and health documents you'll need for your trip to Europe 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 Europe. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Europe

Compare and see reviews for airlines that fly from Illinois to Europe with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
DeltaPriceFrom $208Free CancellationRating
8.0
7,987 reviews
Search Delta flights
SWISSPriceFrom $257Free CancellationRating
7.5
1,687 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $264Free CancellationRating
7.3
1,461 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $348Free CancellationRating
7.0
524 reviews
Search Icelandair flights
Air CanadaPriceFrom $366Free CancellationRating
7.1
9,879 reviews
Search Air Canada flights
FinnairPriceFrom $381Free CancellationRating
7.6
1,319 reviews
Search Finnair flights
Air FrancePriceFrom $401Free CancellationRating
7.5
1,466 reviews
Search Air France flights
LufthansaPriceFrom $430Free CancellationRating
6.8
7,285 reviews
Search Lufthansa flights
KLMPriceFrom $478Free CancellationRating
7.8
1,381 reviews
Search KLM flights

Why use momondo?

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

It is quick and easy to find Illinois to Europe flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Europe that suits you.

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

momondo does allow users to show only those flights to Europe from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

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 Europe from Illinois.

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

Price alerts on flights to Europe from Illinois 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.

An easier way to manage your Europe trip

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Find better results for your trip to Europe

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Popular flights according to clicks in the last 7 days on momondo
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