HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Europe

$288+ Cheap flights from Chicago (CHI) to Southeast Europe

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ATH
avr. 22 — avr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Southeast Europe with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chicago to Southeast Europe

Keep the following information in mind while searching for Chicago to Southeast Europe flight deals. Data was last updated avril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$579
(KAYAK)

One-way from

$288
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$706
Provider with most accurate pricing for Chicago (CHI)-Athens Eleftherios V. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Athens Eleftherios V. flights.
Search Deals
From Chicago (CHI) to Southeast Europe
Search Deals
One-way flight from Chicago (CHI) to Southeast Europe
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Chicago to Southeast Europe

Cheapest flights from Chicago to Southeast Europe
Explore the most affordable flight options available from Chicago to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/1611:25 amORD - OTP
1 stop25h 00mTurkish Airlines
mar. 9/309:30 amOTP - ORD
1 stop32h 10mTurkish Airlines
Deal found 4/16$537
This KAYAK deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/75:40 pmORD - OTP
1 stop12h 50mBritish Airways
mer. 11/58:05 amOTP - ORD
2 stops19h 15mBritish Airways
Deal found 4/16$579
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/137:15 pmORD - OTP
1 stop17h 20mScandinavian Airlines
sam. 9/279:25 pmOTP - ORD
1 stop26h 45mScandinavian Airlines
Deal found 4/16$582
This Gotogate deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/76:35 pmORD - OTP
1 stop12h 45mMultiple Airlines
mer. 11/55:55 amOTP - ORD
2 stops16h 50mMultiple Airlines
Deal found 4/17$590
This Air Serbia deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/86:50 pmORD - ATH
1 stop24h 35mAir Serbia
mer. 9/174:30 amATH - ORD
1 stop17h 55mAir Serbia
Deal found 4/16$599
This Gotogate deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/76:35 pmORD - OTP
1 stop12h 45mSWISS
mer. 11/54:35 pmOTP - ORD
1 stop31h 40mSWISS
Deal found 4/17$615
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/75:40 pmORD - OTP
1 stop12h 50mAmerican Airlines
mer. 11/58:05 amOTP - ORD
1 stop16h 55mAmerican Airlines
Deal found 4/17$618
This FlightHub deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2911:45 pmORD - SOF
1 stop24h 50mTurkish Airlines
mar. 10/79:25 amSOF - ORD
1 stop32h 15mTurkish Airlines
Deal found 4/17$620
This Gotogate deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/78:40 amORD - OTP
2 stops22h 40mAir Canada
mer. 11/55:55 amOTP - ORD
2 stops22h 30mAir Canada
Deal found 4/17$620
This Air Serbia deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/64:30 pmORD - SOF
1 stop15h 05mAir Serbia
mar. 9/24:05 pmSOF - ORD
1 stop30h 20mAir Serbia
Deal found 4/16$622
This StudentUniverse deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/264:20 pmORD - SOF
1 stop15h 00mMultiple Airlines
dim. 9/76:20 amSOF - ORD
1 stop14h 35mMultiple Airlines
Deal found 4/15$623
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/276:35 pmORD - SOF
1 stop12h 10mSWISS
lun. 5/53:30 pmSOF - ORD
1 stop28h 40mSWISS
Deal found 4/16$624

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Southeast 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, Cheapflights users made 2,558,603 searches. Data last updated avril 17, 2025.
Use the filters below to find and compare flights from Chicago to Southeast Europe that are best for you.

Fly from

Chicago

Fly to

Southeast Europe

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 9/16

11:25 am-8:25 pm

1 stop25h 00m

Bucharest Otopeni Intl

mar. 9/30

9:30 am-9:40 am

1 stop32h 10m

$537

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mer. 5/7

5:40 pm-2:30 pm

1 stop12h 50m

Bucharest Otopeni Intl

mer. 11/5

8:05 am-7:20 pm

2 stops19h 15m

$579

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sam. 9/13

7:15 pm-8:35 pm

1 stop17h 20m

Bucharest Otopeni Intl

sam. 9/27

9:25 pm-4:10 pm

1 stop26h 45m

$582

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mer. 5/7

6:35 pm-3:20 pm

1 stop12h 45m

Bucharest Otopeni Intl

mer. 11/5

5:55 am-2:45 pm

2 stops16h 50m

$590

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mer. 5/7

6:35 pm-3:20 pm

1 stop12h 45m

Bucharest Otopeni Intl

mer. 11/5

4:35 pm-4:15 pm

1 stop31h 40m

$615

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mer. 5/7

5:40 pm-2:30 pm

1 stop12h 50m

Bucharest Otopeni Intl

mer. 11/5

8:05 am-5:00 pm

1 stop16h 55m

$618

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mer. 5/7

8:40 am-3:20 pm

2 stops22h 40m

Bucharest Otopeni Intl

mer. 11/5

5:55 am-8:25 pm

2 stops22h 30m

$620

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

lun. 9/29

11:45 pm-8:35 am

1 stop24h 50m

Sofia

mar. 10/7

9:25 am-9:40 am

1 stop32h 15m

$620

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

mer. 8/6

4:30 pm-3:35 pm

1 stop15h 05m

Sofia

mar. 9/2

4:05 pm-2:25 pm

1 stop30h 20m

$622

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

mar. 8/26

4:20 pm-3:20 pm

1 stop15h 00m

Sofia

dim. 9/7

6:20 am-12:55 pm

1 stop14h 35m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Chicago to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Southeast Europe

What is the cheapest month to book a flight from Chicago to Southeast Europe?

Currently, November is the cheapest month in which you can book a flight from Chicago to Southeast Europe (average of $679). Flying from Chicago to Southeast Europe in June is currently the most expensive (average of $1,340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to YMH?

Find hourly flight availability from Chicago to Southeast Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Southeast Europe as you normally would.

Rainfall in Southeast Europe by month

Plan your trip to Southeast Europe by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Europe ranges from 0.2 - 2.5 inches per month. December is typically the wettest month, when rainfall can reach 2.5 in. June is typically the driest time to visit Southeast Europe when rainfall is around 0.2 in.

Temperature in Southeast Europe by month

Plan your trip to Southeast Europe by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Europe, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Southeast Europe

Get insights into the airlines that provide service to Southeast Europe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Europe. Reviews last updated avril 17, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Delta and KLM from Chicago to Southeast Europe by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Singapore Airlines
8.1
Very good
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Delta
8.0
Very good
7,916 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
KLM
7.8
Good
1,327 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Air Transat
7.8
Good
385 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
LOT
7.6
Good
1,065 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Southeast Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Chicago to Southeast Europe one-way?

    $288 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Air Serbia and SWISS, with prices starting from $381 and $424, respectively.

  • What are the most popular routes from Chicago to Southeast Europe?

    When deciding which route to take from Chicago to Southeast Europe consider Chicago O'Hare Intl - Athens Eleftherios V., Chicago Midway - Athens Eleftherios V. or Chicago O'Hare Intl - Belgrade Nikola Tesla as they are the most popular.

  • What are the cheapest flights from Chicago to Southeast Europe?

    The cheapest flight price from Chicago to Southeast Europe is $656. On average you can expect to pay $1,548. The most popular route, (Chicago O'Hare Intl - Athens Eleftherios V.), can usually be booked for $476.

  • Can I find deals for flights from Chicago to Southeast Europe that include hotel bookings?

    Yes. In addition to deals on Chicago to Southeast Europe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Southeast Europe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Southeast Europe.

  • Can I find deals for business class flights from Chicago to Southeast Europe?

    Yes. Cheapflights offers flight deals from Chicago to Southeast Europe by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Southeast Europe?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Southeast Europe (average of $679). Flying from Chicago to Southeast Europe in June is currently the most expensive (average of $1,340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Southeast Europe

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Athens flights
O'Hare Intl to Dublin flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Madrid flights
O'Hare Intl to Lisbon flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Orly flights
O'Hare Intl to London City flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to Amsterdam flights
O'Hare Intl to Malpensa flights
O'Hare Intl to Krakow flights
Midway to Leonardo da Vinci/Fiumicino flights
Midway to Charles de Gaulle flights
Midway to Heathrow flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Zurich flights
Midway to Athens flights
O'Hare Intl to Munich flights
O'Hare Intl to Edinburgh flights
Midway to Dublin flights
O'Hare Intl to Copenhagen flights
O'Hare Intl to Bruxelles-National flights
Midway to Barcelona-El Prat flights
Midway to Madrid flights
O'Hare Intl to Oslo Gardermoen flights
O'Hare Intl to Linate flights
O'Hare Intl to Sabiha Gokcen flights
O'Hare Intl to Vienna flights
Midway to Lisbon flights
O'Hare Intl to Belgrade flights
O'Hare Intl to Naples flights
O'Hare Intl to Vicenza flights
O'Hare Intl to Stansted flights
St. Louis to Heathrow flights
O'Hare Intl to Sofia flights
O'Hare Intl to Berlin flights
Midway to Amsterdam flights
O'Hare Intl to Florence flights
O'Hare Intl to Budapest flights
Midway to Frederic Chopin flights
O'Hare Intl to Prague flights
Midway to Keflavik Intl flights
O'Hare Intl to Tirana flights
St. Louis to Frankfurt flights

Top 10 airlines flying from Chicago to Southeast Europe

Discover the top 10 airlines that operate flights from Chicago to Southeast Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$835FlexibilityNo cancel feeOn-time77%
Air SerbiaCheapest$424Average$956FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$488Average$977FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$500Average$742FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$517Average$941FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$522Average$970FlexibilityNo cancel feeOn-time70%
LOTCheapest$532Average$886FlexibilityNo cancel feeOn-time81%
JetBlueCheapest$542Average$1,180FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$546Average$1,039FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$548Average$944FlexibilityNo cancel feeOn-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.