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Cheap flights from Chicago O'Hare Intl Airport to Europe from $184

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 10/18. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Europe

Cheap round-trip flights

Iberia Logo
4:45 pm - 7:55 amORD-MAD
8h 10mnonstop
Iberia Logo
11:35 am - 2:30 pmMAD-ORD
9h 55mnonstop
$365Iberia
Find Deal
Wed, Dec 3 - Wed, Dec 10
Iberia Logo
5:10 pm - 2:15 pmORD-MAD
14h 05m1 stop
Iberia Logo
11:35 am - 2:30 pmMAD-ORD
9h 55mnonstop
$368Iberia
Find Deal
Wed, Dec 3 - Wed, Dec 10
United Airlines Logo
9:20 pm - 8:05 amORD-MAD
27h 45m1 stop
United Airlines Logo
12:30 pm - 7:24 pmMAD-ORD
13h 54m1 stop
$410United Airlines
Find Deal
Sun, Sep 28 - Tue, Oct 7
United Airlines Logo
8:40 am - 6:40 amORD-MAD
15h 00m1 stop
United Airlines Logo
12:45 pm - 8:17 pmMAD-ORD
14h 32m1 stop
$425United Airlines
Find Deal
Mon, Oct 13 - Wed, Oct 22
Lufthansa Logo
9:50 pm - 5:50 pmORD-MAD
13h 00m1 stop
Lufthansa Logo
12:00 pm - 6:25 pmMAD-ORD
13h 25m1 stop
$435Lufthansa
Find Deal
Mon, Nov 24 - Tue, Dec 2
Lufthansa Logo
3:35 pm - 11:00 amORD-MAD
12h 25m1 stop
Lufthansa Logo
7:25 am - 7:25 pmMAD-ORD
18h 00m1 stop
$439Lufthansa
Find Deal
Wed, Oct 22 - Fri, Oct 31
LOT Logo
5:10 pm - 9:20 amORD-WAW
9h 10mnonstop
LOT Logo
4:40 pm - 8:00 pmWAW-ORD
10h 20mnonstop
$517LOT
Find Deal
Mon, Oct 20 - Tue, Nov 11
LOT Logo
9:40 pm - 1:50 pmORD-WAW
9h 10mnonstop
LOT Logo
4:40 pm - 9:00 pmWAW-ORD
10h 20mnonstop
$521LOT
Find Deal
Tue, Oct 21 - Fri, Oct 31
Turkish Airlines Logo
7:50 pm - 9:00 pmORD-FRA
18h 10m1 stop
Turkish Airlines Logo
10:55 am - 6:25 pmFRA-ORD
38h 30m1 stop
$662Turkish Airlines
Find Deal
Thu, Oct 23 - Thu, Nov 6
Turkish Airlines Logo
11:50 am - 5:00 pmORD-FRA
22h 10m1 stop
Turkish Airlines Logo
7:05 am - 6:25 pmFRA-ORD
18h 20m1 stop
$699Turkish Airlines
Find Deal
Tue, Nov 4 - Mon, Dec 22

Finnair flights from Chicago O'Hare Intl Airport to Europe

Our best Finnair deals on Chicago O'Hare Intl Airport to Europe flight tickets
Finnair
Nov 2
ORD4:45 pmChicago O'Hare Intl
8h 10m
MAD7:55 amMadrid Barajas
Nov 11
MAD11:35 amMadrid Barajas
9h 55m
ORD2:30 pmChicago O'Hare Intl
$416
Find similar
Finnair
Nov 2
ORD4:45 pmChicago O'Hare Intl
8h 10m
MAD7:55 amMadrid Barajas
Nov 11
MAD11:35 amMadrid Barajas
9h 55m
ORD2:30 pmChicago O'Hare Intl
$417
Find similar
Finnair
Nov 2
ORD4:45 pmChicago O'Hare Intl
8h 10m
MAD7:55 amMadrid Barajas
Nov 11
MAD11:35 amMadrid Barajas
9h 55m
ORD2:30 pmChicago O'Hare Intl
$421
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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
Nov 12
ORD7:10 pmChicago O'Hare Intl
15h 00m
1 stop
MAD5:10 pmMadrid Barajas
Nov 20
MAD9:10 pmMadrid Barajas
25h 05m
1 stop
ORD3:15 pmChicago O'Hare Intl
$375
Find similar
TAP AIR PORTUGAL
Nov 12
ORD7:10 pmChicago O'Hare Intl
21h 20m
1 stop
MAD11:30 pmMadrid Barajas
Nov 21
MAD7:40 amMadrid Barajas
14h 35m
1 stop
ORD3:15 pmChicago O'Hare Intl
$376
Find similar
TAP AIR PORTUGAL
Nov 12
ORD7:10 pmChicago O'Hare Intl
18h 10m
1 stop
MAD8:20 pmMadrid Barajas
Nov 20
MAD9:10 pmMadrid Barajas
25h 05m
1 stop
ORD3:15 pmChicago O'Hare Intl
$377
Find similar

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 September 16, 2025.
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

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 12/3

4:45 pm-7:55 am

Nonstop8h 10m

Madrid Barajas

Wed 12/10

11:35 am-2:30 pm

Nonstop9h 55m

$365

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 12/3

5:10 pm-2:15 pm

1 stop14h 05m

Madrid Barajas

Wed 12/10

11:35 am-2:30 pm

Nonstop9h 55m

$368

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sun 9/28

9:20 pm-8:05 am

1 stop27h 45m

Madrid Barajas

Tue 10/7

12:30 pm-7:24 pm

1 stop13h 54m

$410

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 10/13

8:40 am-6:40 am

1 stop15h 00m

Madrid Barajas

Wed 10/22

12:45 pm-8:17 pm

1 stop14h 32m

$425

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 11/24

9:50 pm-5:50 pm

1 stop13h 00m

Madrid Barajas

Tue 12/2

12:00 pm-6:25 pm

1 stop13h 25m

$435

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 10/22

3:35 pm-11:00 am

1 stop12h 25m

Madrid Barajas

Fri 10/31

7:25 am-7:25 pm

1 stop18h 00m

$439

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Mon 10/20

5:10 pm-9:20 am

Nonstop9h 10m

Warsaw Frederic Chopin

Tue 11/11

4:40 pm-8:00 pm

Nonstop10h 20m

$517

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 10/21

9:40 pm-1:50 pm

Nonstop9h 10m

Warsaw Frederic Chopin

Fri 10/31

4:40 pm-9:00 pm

Nonstop10h 20m

$521

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Thu 10/23

7:50 pm-9:00 pm

1 stop18h 10m

Frankfurt am Main

Thu 11/6

10:55 am-6:25 pm

1 stop38h 30m

$662

ChicagoFrankfurt am Main

ORD - FRA

ORDFRA

Chicago O'Hare Intl

Tue 11/4

11:50 am-5:00 pm

1 stop22h 10m

Frankfurt am Main

Mon 12/22

7:05 am-6:25 pm

1 stop18h 20m

$699

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 April. Flight prices, which tend to average around $647, 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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $652.

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 $762. Flights from Chicago O'Hare Intl Airport to Europe on a Saturday will generally be more expensive and average around $907. 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 Chicago O'Hare Intl Airport to Europe in the morning for as low as $663. 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 $826. 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 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 $793 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 $694 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 7% 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

$263

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Europe

1 airport
The best one-way flight to Europe from Chicago O'Hare Intl Airport in the past 72 hours is $263. The best round-trip flight deal from Chicago O'Hare Intl Airport to Europe found on momondo in the last 72 hours is $445.
The fastest flight from Chicago O'Hare Intl Airport to Europe takes 7h 20m
Direct flights go from Chicago O'Hare Intl Airport to Europe every day.
There is 1 airport near Europe: Dublin (DUB)
Search flight deals

  • 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
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $137Free CancellationRating
7.9
7,957 reviews
Search Delta flights
SWISSPriceFrom $257Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $333Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $349Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Air CanadaPriceFrom $366Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
FinnairPriceFrom $373Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
Air FrancePriceFrom $401Free CancellationRating
7.4
1,468 reviews
Search Air France flights
LufthansaPriceFrom $430Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Aer LingusPriceFrom $474Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus 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.

An easier way to manage your Europe trip

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