HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Europe

$195+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ATH
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
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.

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 October 10, 2025.

This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:50 pmORD - OTP
1 stop12h 45mMultiple Airlines
Mon 11/175:55 amOTP - ORD
2 stops17h 00mMultiple Airlines
Deal found 10/9$535
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:35 pmORD - OTP
1 stop12h 20mMultiple Airlines
Mon 11/175:55 amOTP - ORD
2 stops17h 00mMultiple Airlines
Deal found 10/9$536
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Sat 11/86:20 pmORD - ATH
2 stops35h 00mScandinavian Airlines
Sat 11/227:30 pmATH - ORD
1 stop29h 15mScandinavian Airlines
Deal found 10/8$537
This Ovago deal was found by Cheapflights users on 10/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:50 pmORD - ATH
1 stop13h 00mTurkish Airlines
Wed 11/199:40 pmATH - ORD
1 stop20h 25mTurkish Airlines
Deal found 10/8$538
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Sun 10/123:35 pmORD - ATH
1 stop14h 05mLufthansa
Wed 11/126:35 amATH - ORD
1 stop19h 50mLufthansa
Deal found 10/8$539
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:03 amORD - OTP
2 stops18h 47mDelta
Fri 11/216:00 amOTP - ORD
1 stop16h 20mDelta
Deal found 10/9$539
This oojo deal was found by Cheapflights users on 10/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:20 amORD - ATH
2 stops19h 30mITA Airways
Tue 11/117:25 pmATH - ORD
2 stops30h 45mITA Airways
Deal found 10/7$540
This Air France deal was found by Cheapflights users on 10/7. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:20 pmORD - SOF
1 stop12h 35mMultiple Airlines
Thu 11/137:00 amSOF - ORD
2 stops18h 53mMultiple Airlines
Deal found 10/7$540
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:50 pmORD - OTP
1 stop12h 45mMultiple Airlines
Sat 12/65:55 amOTP - ORD
2 stops17h 00mMultiple Airlines
Deal found 10/8$540
This Justfly.com deal was found by Cheapflights users on 10/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:20 pmORD - ATH
2 stops35h 00mScandinavian Airlines
Wed 11/127:30 pmATH - ORD
1 stop29h 15mScandinavian Airlines
Deal found 10/8$541
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:05 pmORD - OTP
1 stop12h 15mMultiple Airlines
Tue 12/25:55 amOTP - ORD
2 stops17h 00mMultiple Airlines
Deal found 10/8$541
This oojo deal was found by Cheapflights users on 10/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:20 pmORD - ATH
1 stop15h 20mScandinavian Airlines
Sun 12/1411:25 amATH - ORD
2 stops37h 20mScandinavian Airlines
Deal found 10/7$542

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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(Mytrip)

One-way from

$195
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$703
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. 29% potential increase in price ($370 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 10, 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

Fri 11/14

10:46 am-1:50 pm

2 stops19h 04m

Bucharest Otopeni Intl

Fri 11/21

6:00 am-2:20 pm

1 stop16h 20m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/9

10:10 am-1:50 pm

2 stops19h 40m

Bucharest Otopeni Intl

Fri 1/23

6:00 am-2:20 pm

1 stop16h 20m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/10

7:30 am-12:05 pm

2 stops20h 35m

Bucharest Otopeni Intl

Sat 1/24

6:00 am-2:20 pm

1 stop16h 20m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 11/8

6:20 pm-10:50 pm

2 stops20h 30m

Bucharest Otopeni Intl

Sat 11/22

6:00 am-2:20 pm

1 stop16h 20m

$539

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 1/16

7:20 pm-10:35 am

2 stops31h 15m

Athens Eleftherios V.

Sat 5/16

9:05 pm-4:10 pm

1 stop27h 05m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 10/24

7:05 pm-1:05 am

1 stop22h 00m

Bucharest Otopeni Intl

Tue 11/4

4:40 pm-4:20 pm

1 stop31h 40m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 10/20

7:05 pm-1:05 am

1 stop22h 00m

Bucharest Otopeni Intl

Wed 11/5

6:30 am-4:20 pm

1 stop17h 50m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 10/24

7:05 pm-1:05 am

1 stop22h 00m

Bucharest Otopeni Intl

Mon 11/3

4:40 pm-4:20 pm

1 stop31h 40m

$548

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 2/8

2:00 pm-2:05 pm

2 stops16h 05m

Sofia

Thu 2/26

7:00 am-4:37 pm

2 stops17h 37m

$550

ChicagoSkopje

ORD - SKP

ORDSKP

Chicago O'Hare Intl

Sat 10/18

6:30 am-11:50 am

2 stops22h 20m

Skopje

Tue 11/4

4:30 am-2:00 pm

1 stop16h 30m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

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, April is the cheapest month in which you can book a flight from Chicago to Southeast Europe (average of $333). Flying from Chicago to Southeast Europe in June is currently the most expensive (average of $687). 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 October 10, 2025.

It’s optimal to fly from Chicago to Southeast Europe in the morning. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Chicago to Southeast Europe?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Southeast Europe. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Southeast Europe flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Southeast Europe

Explore weekly flight availability from Chicago to Southeast Europe. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 10, 2025.

The most flights from CHI to zzYMH are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 October 10, 2025.
Read reviews from past customers who have flown LOT, United Airlines, and Turkish Airlines from Chicago to Southeast Europe. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,129 reviews

Comfort

7.5

Food

7.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.6
Good
1,129 reviews
LOT
7.6
Good
1,129 reviews

Comfort

7.5

Food

7.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
United Airlines
7.4
Good
8,966 reviews
LOT
7.6
Good
1,129 reviews

Comfort

7.5

Food

7.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
3,996 reviews
LOT
7.6
Good
1,129 reviews

Comfort

7.5

Food

7.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,463 reviews
LOT
7.6
Good
1,129 reviews

Comfort

7.5

Food

7.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Air Serbia
6.2
Okay
203 reviews
LOT
7.6
Good
1,129 reviews

Comfort

7.5

Food

7.1

Boarding

7.6

Overall

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

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.

  • How long is the flight from Chicago to Southeast Europe?

    Departing from Chicago to Southeast Europe will take you 16h 05m. Airlines will cover a distance of 5194 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $353 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Lufthansa and KLM, with prices starting from $438 and $462, 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 most reliable airlines from Chicago to Southeast Europe?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Southeast Europe on time: American Airlines (53%), Alaska Airlines (53%), Finnair (53%).

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

    The cheapest flight price from Chicago to Southeast Europe is $463. On average you can expect to pay $3,605. The most popular route, (Chicago O'Hare Intl - Athens Eleftherios V.), can usually be booked for $424.

  • 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, April is the cheapest month in which you can book a flight from Chicago to Southeast Europe (average of $333). Flying from Chicago to Southeast Europe in June is currently the most expensive (average of $687). 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 Charles de Gaulle flights
O'Hare Intl to Madrid flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Dublin flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Orly flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to London City flights
O'Hare Intl to Amsterdam flights
O'Hare Intl to Athens flights
O'Hare Intl to Zurich flights
O'Hare Intl to Lisbon flights
Midway to Heathrow flights
O'Hare Intl to Bruxelles-National flights
Midway to Charles de Gaulle flights
Midway to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Stansted flights
O'Hare Intl to Munich flights
O'Hare Intl to Beauvais-Tille flights
Midway to Madrid flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Malpensa flights
O'Hare Intl to Luton flights
O'Hare Intl to Krakow flights
O'Hare Intl to Copenhagen flights
O'Hare Intl to Sabiha Gokcen flights
Midway to Dublin flights
Midway to Frederic Chopin flights
O'Hare Intl to Berlin flights
O'Hare Intl to Vienna flights
O'Hare Intl to Vicenza flights
St. Louis to Heathrow flights
O'Hare Intl to Prague flights
O'Hare Intl to Linate flights
Midway to Athens flights
Midway to Frankfurt flights
O'Hare Intl to Edinburgh flights
Midway to Barcelona-El Prat flights
O'Hare Intl to Belgrade flights
O'Hare Intl to Ponta Delgada flights
Midway to Keflavik Intl flights
Midway to Lisbon flights
St. Louis to Gatwick flights
O'Hare Intl to Florence flights
O'Hare Intl to Budapest flights
O'Hare Intl to Oslo Gardermoen 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$704FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$424Average$779FlexibilityNo cancel feeOn-time72%
Air SerbiaCheapest$436Average$904FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$449Average$898FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$463Average$788FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$480Average$1,081FlexibilityNo cancel feeOn-time67%
KLMCheapest$491Average$858FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$503Average$724FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$877FlexibilityNo cancel feeOn-time78%
LOTCheapest$520Average$897FlexibilityNo cancel feeOn-time81%

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.