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Cheap flights from Illinois to Europe from $33

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 6/28. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Europe

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
9:50 am - 5:10 am
ORD
-
DUB
13h 20m
1 stop
Aer Lingus Logo
1:20 pm - 9:00 am
DUB
-
ORD
25h 40m
1 stop
$487Aer Lingus
Tue, Sep 1 - Tue, Sep 8
Aer Lingus Logo
9:50 am - 5:10 am
ORD
-
DUB
13h 20m
1 stop
Aer Lingus Logo
1:20 pm - 1:22 pm
DUB
-
ORD
30h 02m
1 stop
$505Aer Lingus
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
11:45 am - 10:00 am
ORD
-
DUB
16h 15m
1 stop
Multiple Airlines Logo
10:40 am - 9:35 pm
DUB
-
ORD
16h 55m
1 stop
$589Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
British Airways Logo
9:15 pm - 3:40 pm
ORD
-
BCN
11h 25m
1 stop
British Airways Logo
10:30 am - 1:20 pm
BCN
-
ORD
9h 50mnonstop
$786British Airways
Tue, Aug 18 - Sat, Aug 29
British Airways Logo
7:00 pm - 10:35 am
ORD
-
BCN
8h 35mnonstop
British Airways Logo
11:30 am - 2:05 pm
BCN
-
ORD
9h 35mnonstop
$787British Airways
Tue, Sep 29 - Sun, Nov 1
Multiple Airlines Logo
7:25 pm - 10:55 am
ORD
-
BCN
8h 30mnonstop
Multiple Airlines Logo
10:30 am - 1:20 pm
BCN
-
ORD
9h 50mnonstop
$789Multiple Airlines
Sun, Aug 9 - Sun, Aug 23
Air Canada Logo
8:45 am - 8:00 am
ORD
-
BCN
16h 15m
1 stop
Air Canada Logo
6:40 am - 2:55 pm
BCN
-
ORD
15h 15m
2 stops
$791Air Canada
Fri, Aug 14 - Tue, Aug 25
TAP AIR PORTUGAL Logo
6:00 pm - 7:20 pm
ORD
-
BCN
18h 20m
1 stop
TAP AIR PORTUGAL Logo
10:40 pm - 4:05 pm
BCN
-
ORD
24h 25m
1 stop
$792TAP AIR PORTUGAL
Fri, Jul 17 - Fri, Jul 24
TAP AIR PORTUGAL Logo
7:45 pm - 12:05 pm
ORD
-
WAW
33h 20m
1 stop
TAP AIR PORTUGAL Logo
1:05 pm - 4:00 pm
WAW
-
ORD
33h 55m
1 stop
$806TAP AIR PORTUGAL
Thu, Aug 6 - Sat, Oct 3
Air Canada Logo
1:55 pm - 1:25 pm
ORD
-
ATH
15h 30m
2 stops
Air Canada Logo
6:45 am - 2:55 pm
ATH
-
ORD
16h 10m
2 stops
$1,086Air Canada
Sun, Jul 26 - Fri, Sep 4

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TAP AIR PORTUGAL flights from Illinois to Europe

Our best TAP AIR PORTUGAL deals on Illinois to Europe flight tickets
TAP AIR PORTUGAL
Jul 17
ORD6:00 pmChicago O'Hare Intl
18h 20m
1 stop
BCN7:20 pmBarcelona-El Prat
Jul 24
BCN10:40 pmBarcelona-El Prat
24h 25m
1 stop
ORD4:05 pmChicago O'Hare Intl
$792
TAP AIR PORTUGAL
Jun 14
ORD6:00 pmChicago O'Hare Intl
13h 00m
1 stop
BCN2:00 pmBarcelona-El Prat
Jun 24
BCN5:45 pmBarcelona-El Prat
25h 55m
1 stop
ORD12:40 pmChicago O'Hare Intl
$907
TAP AIR PORTUGAL
Jun 14
ORD6:00 pmChicago O'Hare Intl
23h 20m
1 stop
MAD12:20 amMadrid Barajas
Jun 24
MAD10:25 pmMadrid Barajas
21h 15m
1 stop
ORD12:40 pmChicago O'Hare Intl
$913

Finnair flights from Illinois to Europe

Our best Finnair deals on Illinois to Europe flight tickets
Finnair
Aug 18
ORD9:30 pmChicago O'Hare Intl
15h 35m
1 stop
BCN8:05 pmBarcelona-El Prat
Aug 30
BCN10:30 amBarcelona-El Prat
9h 50m
ORD1:20 pmChicago O'Hare Intl
$786
Finnair
Sep 3
ORD10:25 pmChicago O'Hare Intl
8h 05m
MAD1:30 pmMadrid Barajas
Sep 18
MAD10:15 amMadrid Barajas
14h 35m
1 stop
ORD5:50 pmChicago O'Hare Intl
$848
Finnair
Sep 4
ORD10:25 pmChicago O'Hare Intl
8h 05m
MAD1:30 pmMadrid Barajas
Sep 11
MAD1:35 pmMadrid Barajas
9h 25m
ORD4:00 pmChicago O'Hare Intl
$865

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 June 10, 2026.
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

Cheapest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/1

9:50 am-5:10 am

1 stop13h 20m

Dublin

Tue 9/8

1:20 pm-9:00 am

1 stop25h 40m

$487

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 9/3

9:50 am-5:10 am

1 stop13h 20m

Dublin

Sun 9/6

1:20 pm-1:22 pm

1 stop30h 02m

$505

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 9/18

11:45 am-10:00 am

1 stop16h 15m

Dublin

Fri 9/25

10:40 am-9:35 pm

1 stop16h 55m

$589

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 8/18

9:15 pm-3:40 pm

1 stop11h 25m

Barcelona-El Prat

Sat 8/29

10:30 am-1:20 pm

Nonstop9h 50m

$786
Quickest round-trip

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 9/29

7:00 pm-10:35 am

Nonstop8h 35m

Barcelona-El Prat

Sun 11/1

11:30 am-2:05 pm

Nonstop9h 35m

$787

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 8/9

7:25 pm-10:55 am

Nonstop8h 30m

Barcelona-El Prat

Sun 8/23

10:30 am-1:20 pm

Nonstop9h 50m

$789

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Fri 8/14

8:45 am-8:00 am

1 stop16h 15m

Barcelona-El Prat

Tue 8/25

6:40 am-2:55 pm

2 stops15h 15m

$791

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Fri 7/17

6:00 pm-7:20 pm

1 stop18h 20m

Barcelona-El Prat

Fri 7/24

10:40 pm-4:05 pm

1 stop24h 25m

$792

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 8/6

7:45 pm-12:05 pm

1 stop33h 20m

Warsaw Frederic Chopin

Sat 10/3

1:05 pm-4:00 pm

1 stop33h 55m

$806

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 7/26

1:55 pm-1:25 pm

2 stops15h 30m

Athens Eleftherios V.

Fri 9/4

6:45 am-2:55 pm

2 stops16h 10m

$1,086

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 $583, 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 $623.

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 $794. Flights from Illinois to Europe on a Saturday will generally be more expensive and average around $1,025. 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 evening. momondo users have found flights departing from Illinois to Europe in the evening for as low as $884. 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 $897. 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 Madrid Barajas for the best Illinois - Europe flight prices

How far in advance should I book a flight from Illinois 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 $814 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 $718 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 82% 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

$375

Fastest flight time

1h 59m

Direct flights

Every day

Airports in Europe

4,107 airports
The best one-way flight to Europe from Illinois in the past 72 hours is $375. The best round-trip flight deal from Illinois to Europe found on momondo in the last 72 hours is $706.
The fastest flight from Illinois to Europe takes 1h 59m
Direct flights go from Illinois to Europe every day.
There are 4,107 airports in Europe. From Illinois there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Illinois to Europe

  • 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
7.1
2,980 reviews
Search JetBlue flights
FinnairPriceFrom $353Free CancellationRating
7.7
1,405 reviews
Search Finnair flights
IcelandairPriceFrom $356Free CancellationRating
7.0
672 reviews
Search Icelandair flights
Air CanadaPriceFrom $366Free CancellationRating
7.1
11,160 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $369Free CancellationRating
7.4
1,815 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $393Free CancellationRating
7.9
8,399 reviews
Search Delta flights
IberiaPriceFrom $416Free CancellationRating
7.0
3,232 reviews
Search Iberia flights
Aer LingusPriceFrom $440Free CancellationRating
7.3
1,603 reviews
Search Aer Lingus flights
SWISSPriceFrom $458Free CancellationRating
7.5
1,968 reviews
Search SWISS flights
LOTPriceFrom $462Free CancellationRating
7.5
1,198 reviews
Search LOT 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.

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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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