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Cheap flights from Chicago O'Hare Intl Airport to Europe from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Europe departing on 8/31. 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

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Find the cheapest flights from Chicago O'Hare Intl Airport to Europe

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
8:32 pm - 5:10 am
ORD
-
DUB
26h 38m
1 stop
Aer Lingus Logo
1:20 pm - 8:20 pm
DUB
-
ORD
13h 00m
1 stop
$402Aer Lingus
Sun, Aug 16 - Tue, Aug 25
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
$410Aer Lingus
Tue, Sep 1 - Mon, Sep 7
Aer Lingus Logo
11:45 am - 5:10 am
ORD
-
DUB
11h 25m
1 stop
Aer Lingus Logo
1:20 pm - 9:00 am
DUB
-
ORD
25h 40m
1 stop
$411Aer Lingus
Tue, Sep 1 - Sun, Sep 6
Scandinavian Airlines Logo
7:15 pm - 4:10 pm
ORD
-
MAD
13h 55m
1 stop
Scandinavian Airlines Logo
5:00 pm - 4:45 pm
MAD
-
ORD
30h 45m
1 stop
$563Scandinavian Airlines
Wed, Nov 18 - Mon, Nov 23
Scandinavian Airlines Logo
7:15 pm - 4:10 pm
ORD
-
MAD
13h 55m
1 stop
Scandinavian Airlines Logo
5:00 pm - 4:45 pm
MAD
-
ORD
30h 45m
1 stop
$566Scandinavian Airlines
Wed, Nov 11 - Tue, Nov 24
LOT Logo
9:50 pm - 1:55 pm
ORD
-
WAW
9h 05mnonstop
LOT Logo
12:00 pm - 3:10 pm
WAW
-
ORD
10h 10mnonstop
$747LOT
Thu, Oct 1 - Sun, Oct 18
Turkish Airlines Logo
11:25 am - 9:10 am
ORD
-
WAW
14h 45m
1 stop
Turkish Airlines Logo
10:05 am - 9:40 am
WAW
-
ORD
30h 35m
1 stop
$749Turkish Airlines
Tue, Jul 14 - Wed, Sep 16
United Airlines Logo
4:00 pm - 4:20 pm
ORD
-
WAW
17h 20m
2 stops
United Airlines Logo
1:15 pm - 11:22 pm
WAW
-
ORD
17h 07m
2 stops
$750United Airlines
Wed, Aug 5 - Thu, Sep 3
LOT Logo
5:10 pm - 9:40 am
ORD
-
WAW
33h 30m
1 stop
LOT Logo
12:00 pm - 3:10 pm
WAW
-
ORD
10h 10mnonstop
$752LOT
Thu, Aug 20 - Sun, Aug 30
Turkish Airlines Logo
8:10 pm - 6:15 pm
ORD
-
WAW
15h 05m
1 stop
Turkish Airlines Logo
7:20 pm - 9:40 am
WAW
-
ORD
21h 20m
1 stop
$759Turkish Airlines
Fri, Aug 21 - Wed, Sep 9

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Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Europe

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Europe flight tickets
Scandinavian Airlines
Nov 18
ORD7:15 pmChicago O'Hare Intl
13h 55m
1 stop
MAD4:10 pmMadrid Barajas
Nov 23
MAD5:00 pmMadrid Barajas
30h 45m
1 stop
ORD4:45 pmChicago O'Hare Intl
$563
Scandinavian Airlines
Nov 11
ORD7:15 pmChicago O'Hare Intl
13h 55m
1 stop
MAD4:10 pmMadrid Barajas
Nov 24
MAD5:00 pmMadrid Barajas
30h 45m
1 stop
ORD4:45 pmChicago O'Hare Intl
$566
Scandinavian Airlines
Jul 14
ORD7:15 pmChicago O'Hare Intl
30h 45m
1 stop
CDG9:00 amParis Charles de Gaulle
Aug 21
CDG9:50 amParis Charles de Gaulle
13h 20m
1 stop
ORD4:10 pmChicago O'Hare Intl
$811

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to Europe

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to Europe flight tickets
TAP AIR PORTUGAL
Aug 23
ORD6:00 pmChicago O'Hare Intl
16h 20m
1 stop
MAD5:20 pmMadrid Barajas
Nov 17
MAD6:00 pmMadrid Barajas
28h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$554
TAP AIR PORTUGAL
Oct 28
ORD8:00 pmChicago O'Hare Intl
15h 10m
1 stop
MAD5:10 pmMadrid Barajas
Nov 4
MAD7:40 amMadrid Barajas
14h 50m
1 stop
ORD3:30 pmChicago O'Hare Intl
$570
TAP AIR PORTUGAL
Jul 11
ORD6:05 pmChicago O'Hare Intl
33h 00m
1 stop
MAD10:05 amMadrid Barajas
Sep 6
MAD6:35 amMadrid Barajas
16h 25m
1 stop
ORD4:00 pmChicago O'Hare Intl
$654

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 July 1, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Sun 8/16

8:32 pm-5:10 am

1 stop26h 38m

Dublin

Tue 8/25

1:20 pm-8:20 pm

1 stop13h 00m

$402

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/1

9:50 am-5:10 am

1 stop13h 20m

Dublin

Mon 9/7

1:20 pm-9:00 am

1 stop25h 40m

$410

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/1

11:45 am-5:10 am

1 stop11h 25m

Dublin

Sun 9/6

1:20 pm-9:00 am

1 stop25h 40m

$411

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 11/18

7:15 pm-4:10 pm

1 stop13h 55m

Madrid Barajas

Mon 11/23

5:00 pm-4:45 pm

1 stop30h 45m

$563

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 11/11

7:15 pm-4:10 pm

1 stop13h 55m

Madrid Barajas

Tue 11/24

5:00 pm-4:45 pm

1 stop30h 45m

$566
Quickest round-trip

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 10/1

9:50 pm-1:55 pm

Nonstop9h 05m

Warsaw Frederic Chopin

Sun 10/18

12:00 pm-3:10 pm

Nonstop10h 10m

$747

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 7/14

11:25 am-9:10 am

1 stop14h 45m

Warsaw Frederic Chopin

Wed 9/16

10:05 am-9:40 am

1 stop30h 35m

$749

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Wed 8/5

4:00 pm-4:20 pm

2 stops17h 20m

Warsaw Frederic Chopin

Thu 9/3

1:15 pm-11:22 pm

2 stops17h 07m

$750

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 8/20

5:10 pm-9:40 am

1 stop33h 30m

Warsaw Frederic Chopin

Sun 8/30

12:00 pm-3:10 pm

Nonstop10h 10m

$752

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Fri 8/21

8:10 pm-6:15 pm

1 stop15h 05m

Warsaw Frederic Chopin

Wed 9/9

7:20 pm-9:40 am

1 stop21h 20m

$759

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 Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport is in February. Flight prices, which tend to average around $574, 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 $627.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Europe is on a Tuesday. Travelers who choose to depart for Europe on a Tuesday will often find tickets for as low as $811. Flights from Chicago O'Hare Intl Airport to Europe on a Saturday will generally be more expensive and average around $1,036. 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 Chicago O'Hare Intl Airport to Europe in the evening for as low as $916. 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 $918. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Chicago O'Hare Intl to Europe flight route?

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

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Europe?

You are more likely to see cheaper flights to Europe from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $822 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from Chicago O'Hare Intl Airport for as low as $750 on momondo.

What cabin class options are available on Chicago O'Hare Intl Airport to Europe flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Europe flights?

You could potentially save up to 82% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Europe flight.

Cheap Chicago O'Hare Intl Airport to Europe flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Europe

Best Price Found

$308

Fastest flight time

1h 59m

Direct flights

Every day

Airports in Europe

4,107 airports
The best one-way flight to Europe from Chicago O'Hare Intl Airport in the past 72 hours is $308. The best round-trip flight deal from Chicago O'Hare Intl Airport to Europe found on momondo in the last 72 hours is $692.
The fastest flight from Chicago O'Hare Intl Airport to Europe takes 1h 59m
Direct flights go from Chicago O'Hare Intl Airport to Europe every day.
There are 4,107 airports in Europe. From Chicago O'Hare Intl Airport there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Europe

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Europe?

    Prices for flights from Chicago O'Hare Intl Airport to Europe were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Europe?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Europe?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Europe.

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

    The required travel and health documents for your Europe trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Europe. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chicago O'Hare Intl Airport to Europe

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Europe with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.1
3,009 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $338Free CancellationRating
7.4
1,859 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $353Free CancellationRating
7.6
1,415 reviews
Search Finnair flights
IcelandairPriceFrom $355Free CancellationRating
7.0
694 reviews
Search Icelandair flights
Air CanadaPriceFrom $366Free CancellationRating
7.1
11,282 reviews
Search Air Canada flights
IberiaPriceFrom $424Free CancellationRating
7.0
3,249 reviews
Search Iberia flights
Aer LingusPriceFrom $440Free CancellationRating
7.3
1,634 reviews
Search Aer Lingus flights
SWISSPriceFrom $458Free CancellationRating
7.5
1,982 reviews
Search SWISS flights
LOTPriceFrom $462Free CancellationRating
7.5
1,211 reviews
Search LOT flights
Air FrancePriceFrom $470Free CancellationRating
7.5
1,616 reviews
Search Air France flights

Why use momondo?

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

Finding the right flight to Europe from Chicago 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 Europe quick and easy, saving you time and money.

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

Yes. All flights to Europe from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Chicago to Europe.

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

Price alerts on flights to Europe from Chicago 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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