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Southeast Europe

$222+ Cheap flights from Illinois 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
Aug 10 — Aug 171
Sun 8/10
Sun 8/17
1 adult, Economy
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Cheap flight deals from Illinois to Southeast Europe

Keep the following information in mind while searching for Illinois to Southeast Europe flight deals. Data was last updated August 5, 2025.

Round-trip from

$516
(FlightHub)

One-way from

$222
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$935
From Illinois to Southeast Europe
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One-way flight from Illinois to Southeast Europe
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Highest demand for flights based on searches. 28% potential increase in price ($347 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Illinois to Southeast Europe

Cheapest flights from Illinois to Southeast Europe
Explore the most affordable flight options available from Illinois to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2025.

This FlightHub deal was found by Cheapflights users on 8/4. 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.
Sat 9/611:45 pmORD - DBV
1 stop25h 35mTurkish Airlines
Tue 9/238:40 pmDBV - ORD
1 stop20h 00mTurkish Airlines
Deal found 8/4$516
This FlightHub deal was found by Cheapflights users on 8/5. 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.
Wed 10/157:50 pmORD - DBV
1 stop17h 00mTurkish Airlines
Mon 10/209:10 amDBV - ORD
1 stop19h 50mTurkish Airlines
Deal found 8/5$517
This oojo deal was found by Cheapflights users on 8/4. 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 9/1011:45 pmORD - DBV
1 stop25h 35mTurkish Airlines
Wed 9/249:15 amDBV - ORD
1 stop31h 25mTurkish Airlines
Deal found 8/4$550
This oojo deal was found by Cheapflights users on 8/4. 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 9/107:50 pmORD - DBV
1 stop29h 30mTurkish Airlines
Tue 9/238:40 pmDBV - ORD
1 stop20h 00mTurkish Airlines
Deal found 8/4$551
This oojo deal was found by Cheapflights users on 8/4. 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 9/311:45 pmORD - DBV
1 stop25h 35mTurkish Airlines
Wed 9/179:15 amDBV - ORD
1 stop31h 25mTurkish Airlines
Deal found 8/4$553
This FlightHub deal was found by Cheapflights users on 8/4. 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.
Wed 8/2711:45 pmORD - DBV
1 stop25h 35mTurkish Airlines
Mon 9/89:10 amDBV - ORD
1 stop31h 30mTurkish Airlines
Deal found 8/4$554
This Ovago deal was found by Cheapflights users on 8/5. 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.
Wed 9/1711:45 pmORD - DBV
1 stop25h 35mTurkish Airlines
Wed 10/19:15 amDBV - ORD
1 stop31h 25mTurkish Airlines
Deal found 8/5$556
This oojo deal was found by Cheapflights users on 8/5. 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.
Sun 8/177:50 pmORD - SOF
1 stop16h 35mTurkish Airlines
Mon 9/293:35 pmSOF - ORD
1 stop26h 05mTurkish Airlines
Deal found 8/5$558
This lastminute.com deal was found by Cheapflights users on 8/4. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1811:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Tue 9/29:45 pmOTP - ORD
1 stop19h 55mTurkish Airlines
Deal found 8/4$560
This Ovago deal was found by Cheapflights users on 8/5. 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 9/1511:45 pmORD - DBV
1 stop25h 35mTurkish Airlines
Thu 10/28:40 pmDBV - ORD
1 stop20h 00mTurkish Airlines
Deal found 8/5$560
This oojo deal was found by Cheapflights users on 8/5. 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.
Tue 8/2611:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Thu 9/189:45 pmOTP - ORD
1 stop19h 55mTurkish Airlines
Deal found 8/5$561
This CrystalTravel deal was found by Cheapflights users on 8/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:55 pmORD - OTP
1 stop11h 45mLOT
Sun 11/98:20 amOTP - ORD
1 stop19h 40mLOT
Deal found 8/4$562

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 August 5, 2025.
Use the filters below to find and compare flights from Illinois to Southeast Europe that are best for you.

Fly from

Illinois

Fly to

Southeast Europe

Route

Depart

Return

Price

ChicagoDubrovnik

ORD - DBV

ORDDBV

Chicago O'Hare Intl

Sat 9/6

11:45 pm-8:20 am

1 stop25h 35m

Dubrovnik

Tue 9/23

8:40 pm-9:40 am

1 stop20h 00m

$516

ChicagoDubrovnik

ORD - DBV

ORDDBV

Chicago O'Hare Intl

Wed 10/15

7:50 pm-7:50 pm

1 stop17h 00m

Dubrovnik

Mon 10/20

9:10 am-10:00 pm

1 stop19h 50m

$517

ChicagoDubrovnik

ORD - DBV

ORDDBV

Chicago O'Hare Intl

Wed 9/10

11:45 pm-8:20 am

1 stop25h 35m

Dubrovnik

Wed 9/24

9:15 am-9:40 am

1 stop31h 25m

$550

ChicagoDubrovnik

ORD - DBV

ORDDBV

Chicago O'Hare Intl

Wed 9/10

7:50 pm-8:20 am

1 stop29h 30m

Dubrovnik

Tue 9/23

8:40 pm-9:40 am

1 stop20h 00m

$551

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 11/1

10:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Sun 11/9

8:20 am-8:00 pm

1 stop19h 40m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/8

9:40 pm-5:45 pm

1 stop12h 05m

Bucharest Otopeni Intl

Wed 9/24

2:35 pm-7:40 pm

1 stop13h 05m

$565

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/25

5:10 pm-1:50 pm

1 stop12h 40m

Bucharest Otopeni Intl

Sun 9/14

5:35 am-12:05 pm

1 stop14h 30m

$567

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 8/14

10:30 pm-11:40 pm

1 stop17h 10m

Bucharest Otopeni Intl

Sun 8/24

4:10 pm-12:10 pm

1 stop28h 00m

$572

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 1/31

6:40 pm-3:30 pm

1 stop12h 50m

Sofia

Sat 2/14

5:00 am-4:40 pm

1 stop19h 40m

$573

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/25

8:35 pm-5:25 pm

1 stop12h 50m

Bucharest Otopeni Intl

Mon 3/30

8:25 am-2:40 pm

1 stop14h 15m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from Illinois 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 Illinois to Southeast Europe

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Southeast Europe (average of $679). Flying from Illinois to Southeast Europe in June is currently the most expensive (average of $1,286). 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 IL to YMH?

Find hourly flight availability from Illinois 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 August 5, 2025.

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

Weekly flight availability from Illinois to Southeast Europe

Explore weekly flight availability from Illinois 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 August 5, 2025.

The most flights from USIL to zzYMH are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 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 August 5, 2025.
Read reviews from past customers who have flown Delta, KLM, and LOT from Illinois to Southeast Europe. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,985 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,102 reviews
Delta
8.0
Very good
7,985 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,985 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.6
Good
1,689 reviews
Delta
8.0
Very good
7,985 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Southeast Europe?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Southeast Europe (average of $679). Flying from Illinois to Southeast Europe in June is currently the most expensive (average of $1,286). 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

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Alternative routes for Illinois to Southeast Europe

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Southeast Europe

Discover the top 10 airlines that operate flights from Illinois 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 August 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$876FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$385Average$717FlexibilityNo cancel feeOn-time77%
Air SerbiaCheapest$436Average$948FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$463Average$694FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$484Average$779FlexibilityNo cancel feeOn-time72%
KLMCheapest$491Average$830FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$496Average$737FlexibilityNo cancel feeOn-time77%
SWISSCheapest$502Average$944FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$517Average$858FlexibilityNo cancel feeOn-time78%
LOTCheapest$530Average$871FlexibilityNo cancel feeOn-time81%

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