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Southeast Europe

$314+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$587
(Justfly.com)

One-way from

$314
(Turkish Airlines)

Popular in

June

Cheapest in

February

Average price

$708
Provider with most accurate pricing for Chicago (CHI)-Athens Eleftherios V. flight deals.
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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. 26% potential increase in price ($326 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 25, 2025.

This Justfly.com deal was found by Cheapflights users on 4/24. 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.
Mon 8/47:15 pmORD - OTP
1 stop17h 50mScandinavian Airlines
Mon 8/189:50 pmOTP - ORD
1 stop26h 20mScandinavian Airlines
Deal found 4/24$587
This FlightHub deal was found by Cheapflights users on 4/24. 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.
Sun 9/217:50 pmORD - OTP
1 stop16h 35mTurkish Airlines
Sun 10/59:55 pmOTP - ORD
1 stop32h 05mTurkish Airlines
Deal found 4/24$594
This LOT deal was found by Cheapflights users on 4/24. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:40 pmORD - OTP
1 stop17h 30mLOT
Tue 11/116:25 pmOTP - ORD
1 stop33h 35mLOT
Deal found 4/24$595
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Wed 5/78:30 pmORD - OTP
1 stop15h 50mAmerican Airlines
Fri 11/78:05 amOTP - ORD
1 stop16h 55mAmerican Airlines
Deal found 4/25$618
This FlightHub deal was found by Cheapflights users on 4/24. 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.
Tue 9/167:50 pmORD - SOF
1 stop34h 55mTurkish Airlines
Tue 9/309:15 pmSOF - ORD
1 stop20h 25mTurkish Airlines
Deal found 4/24$620
This Booking.com deal was found by Cheapflights users on 4/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:40 amORD - OTP
2 stops20h 40mAir Canada
Wed 11/55:55 amOTP - ORD
2 stops16h 50mAir Canada
Deal found 4/25$620
This Orbitz deal was found by Cheapflights users on 4/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/212:20 pmORD - OTP
1 stop14h 45mMultiple Airlines
Tue 11/45:55 amOTP - ORD
2 stops16h 50mMultiple Airlines
Deal found 4/24$621
This oojo deal was found by Cheapflights users on 4/24. 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 8/204:30 pmORD - SOF
1 stop15h 05mAir Serbia
Sun 9/74:05 pmSOF - ORD
1 stop32h 35mAir Serbia
Deal found 4/24$623
This CrystalTravel deal was found by Cheapflights users on 4/25. 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.
Mon 8/43:35 pmORD - SOF
1 stop12h 25mLufthansa
Mon 8/257:25 pmSOF - ORD
1 stop25h 05mLufthansa
Deal found 4/25$624
This British Airways deal was found by Cheapflights users on 4/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:15 pmORD - OTP
1 stop15h 50mBritish Airways
Fri 11/78:05 amOTP - ORD
2 stops19h 15mBritish Airways
Deal found 4/24$627
This SWISS deal was found by Cheapflights users on 4/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/22:20 pmORD - OTP
1 stop26h 45mSWISS
Wed 8/204:10 pmOTP - ORD
1 stop31h 45mSWISS
Deal found 4/25$628
This CrystalTravel deal was found by Cheapflights users on 4/24. 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.
Mon 8/45:10 pmORD - SOF
1 stop16h 45mLOT
Mon 8/255:20 amSOF - ORD
1 stop22h 20mLOT
Deal found 4/24$632

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 April 25, 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

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/4

7:15 pm-9:05 pm

1 stop17h 50m

Bucharest Otopeni Intl

Mon 8/18

9:50 pm-4:10 pm

1 stop26h 20m

$587

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 9/21

7:50 pm-8:25 pm

1 stop16h 35m

Bucharest Otopeni Intl

Sun 10/5

9:55 pm-10:00 pm

1 stop32h 05m

$594

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/21

9:40 pm-11:10 pm

1 stop17h 30m

Bucharest Otopeni Intl

Sun 11/9

8:20 am-8:00 pm

1 stop19h 40m

$595

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

8:30 pm-8:20 pm

1 stop15h 50m

Bucharest Otopeni Intl

Fri 11/7

8:05 am-5:00 pm

1 stop16h 55m

$618

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 10/22

2:20 pm-3:20 pm

1 stop17h 00m

Bucharest Otopeni Intl

Wed 11/5

5:55 am-2:45 pm

2 stops16h 50m

$620

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 8/1

7:05 pm-1:05 am

1 stop22h 00m

Bucharest Otopeni Intl

Tue 8/19

6:30 am-12:10 pm

1 stop13h 40m

$622

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/21

10:40 am-6:35 pm

2 stops23h 55m

Bucharest Otopeni Intl

Sat 11/8

5:55 am-10:39 am

2 stops36h 44m

$623

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 5/9

7:15 pm-7:05 pm

1 stop15h 50m

Bucharest Otopeni Intl

Fri 11/7

8:05 am-7:20 pm

2 stops19h 15m

$627

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 8/7

3:35 pm-4:50 pm

2 stops17h 15m

Bucharest Otopeni Intl

Wed 8/20

6:00 am-12:55 pm

1 stop14h 55m

$639

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/21

1:16 pm-5:20 pm

2 stops20h 04m

Bucharest Otopeni Intl

Mon 11/10

6:00 am-2:30 pm

1 stop16h 30m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

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 $1,340). 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 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 April 25, 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.

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 April 25, 2025.
Read through reviews of airlines operating flights from Illinois to Southeast Europe, such as Singapore Airlines, Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

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
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

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
7,920 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

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
1,333 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

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
1,068 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

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.
Finnair
7.6
Good
1,272 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Food

7.7

Comfort

7.9

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 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.

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

    One-way options have recently been found by users for as low as $314 on Turkish Airlines. Other airlines that offer cheap prices include Air Serbia from $332 and Air Canada from $444 one-way.

  • 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 $1,340). 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

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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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Newark to Athens flights
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Miami to Madrid flights
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Baltimore to Heathrow flights
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O'Hare Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Dublin flights
Seattle to Heathrow flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Dublin flights
Dallas/Fort Worth to Heathrow flights
Newark to Madrid flights
Dulles Intl to Charles de Gaulle flights
O'Hare Intl to Athens flights
Newark to Malpensa flights
Boston to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Charles de Gaulle flights
Boston to Charles de Gaulle flights
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John F Kennedy Intl to Frederic Chopin flights
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Atlanta to Heathrow flights

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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$833FlexibilityNo cancel feeOn-time77%
Air SerbiaCheapest$424Average$952FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$467Average$968FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$498Average$735FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$948FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$517Average$912FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$521Average$979FlexibilityNo cancel feeOn-time70%
LOTCheapest$532Average$883FlexibilityNo cancel feeOn-time81%
JetBlueCheapest$542Average$1,203FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$546Average$975FlexibilityNo cancel feeOn-time69%

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