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Southeast Europe

$230+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ATH
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap 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 December 5, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:35 pmORD - ATH
2 stops34h 20mSWISS
Wed 1/285:40 pmATH - ORD
2 stops26h 30mSWISS
Deal found 12/2$502
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:35 pmORD - ATH
2 stops34h 20mSWISS
Mon 12/155:40 pmATH - ORD
2 stops28h 30mSWISS
Deal found 12/3$505
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - ATH
1 stop19h 50mLufthansa
Sun 2/16:15 amATH - ORD
1 stop17h 05mLufthansa
Deal found 12/3$507
This United Airlines deal was found by Cheapflights users on 12/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:00 amORD - ATH
2 stops19h 10mUnited Airlines
Thu 1/297:05 amATH - ORD
1 stop17h 15mUnited Airlines
Deal found 12/2$509
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Tue 12/99:05 pmORD - ATH
2 stops31h 50mSWISS
Mon 12/151:45 pmATH - ORD
1 stop34h 35mSWISS
Deal found 12/2$510
This KAYAK deal was found by Cheapflights users on 12/2. 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.
Tue 12/93:45 pmORD - ATH
1 stop18h 50mLufthansa
Mon 12/1512:50 pmATH - ORD
1 stop33h 20mLufthansa
Deal found 12/2$512
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:35 pmORD - ATH
2 stops33h 25mLufthansa
Mon 12/158:20 amATH - ORD
1 stop19h 45mLufthansa
Deal found 12/3$518
This FlightHub deal was found by Cheapflights users on 12/3. 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.
Mon 12/86:25 pmORD - SKP
1 stop14h 10mMultiple Airlines
Sun 2/18:45 pmSKP - ORD
1 stop23h 00mMultiple Airlines
Deal found 12/3$522
This KAYAK deal was found by Cheapflights users on 12/3. 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.
Tue 12/95:50 pmORD - SKP
2 stops43h 35mSWISS
Fri 1/308:55 amSKP - ORD
1 stop14h 25mSWISS
Deal found 12/3$523
This Cheapflightsfares deal was found by Cheapflights users on 12/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:35 pmORD - ATH
2 stops34h 20mSWISS
Mon 1/125:40 pmATH - ORD
2 stops28h 30mSWISS
Deal found 12/3$526
This Expedia deal was found by Cheapflights users on 12/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:05 pmORD - SKP
2 stops40h 20mMultiple Airlines
Sun 2/18:45 pmSKP - ORD
2 stops29h 06mMultiple Airlines
Deal found 12/3$526
This FlightHub deal was found by Cheapflights users on 12/3. 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 12/309:50 pmORD - ATH
1 stop30h 10mMultiple Airlines
Mon 1/125:40 pmATH - ORD
1 stop30h 40mMultiple Airlines
Deal found 12/3$530

Find 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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$493
(Kiwi.com)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$824
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. 30% potential increase in price ($376 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 5, 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

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 1/12

9:55 pm-1:15 pm

1 stop31h 20m

Cluj Napoca

Sun 1/25

1:35 pm-8:00 pm

1 stop14h 25m

$493

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 1/26

11:15 am-12:00 pm

2 stops16h 45m

Athens Eleftherios V.

Wed 2/25

2:20 pm-8:05 pm

1 stop13h 45m

$515

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 1/19

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Mon 1/26

6:00 am-7:45 pm

2 stops21h 45m

$515

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 1/25

7:01 am-6:40 pm

2 stops27h 39m

Athens Eleftherios V.

Thu 1/29

7:30 pm-4:55 pm

1 stop29h 25m

$517

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 1/27

6:00 am-12:00 pm

2 stops22h 00m

Athens Eleftherios V.

Fri 2/20

7:05 am-4:20 pm

1 stop17h 15m

$518

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 1/29

9:45 pm-6:50 pm

1 stop13h 05m

Athens Eleftherios V.

Thu 2/26

7:50 pm-1:50 pm

1 stop26h 00m

$520

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 1/26

1:00 pm-12:00 pm

2 stops15h 00m

Athens Eleftherios V.

Fri 2/27

6:05 am-7:48 pm

2 stops21h 43m

$524

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 3/10

8:55 am-1:35 pm

2 stops21h 40m

Athens Eleftherios V.

Wed 3/25

1:45 pm-10:05 am

2 stops27h 20m

$525

ChicagoAthens

MDW - ATH

MDWATH

Chicago Midway

Wed 2/4

12:48 pm-1:35 pm

2 stops16h 47m

Athens Eleftherios V.

Wed 2/11

6:05 am-5:29 pm

2 stops19h 24m

$525

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 4/20

9:40 pm-12:30 am

1 stop18h 50m

Cluj Napoca

Tue 4/28

1:50 pm-6:15 pm

1 stop12h 25m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 60 results
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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 $671). 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 December 5, 2025.

It’s optimal to fly from Chicago to Southeast Europe in the morning. By choosing this option you can save up to 52% 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.

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 December 5, 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
7.5
Good
1,143 reviews

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Overall

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.5
Good
1,143 reviews
LOT
7.5
Good
1,143 reviews

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Overall

7.5

Entertainment

6.9

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
9,065 reviews
LOT
7.5
Good
1,143 reviews

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Overall

7.5

Entertainment

6.9

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
4,080 reviews
LOT
7.5
Good
1,143 reviews

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Overall

7.5

Entertainment

6.9

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
7,616 reviews
LOT
7.5
Good
1,143 reviews

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Overall

7.5

Entertainment

6.9

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
210 reviews
LOT
7.5
Good
1,143 reviews

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Overall

7.5

Entertainment

6.9

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 45m. Airlines will cover a distance of 5446 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?

    $208 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 Turkish Airlines and United Airlines, with prices starting from $284 and $305, 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 (50%), Alaska Airlines (50%), Finnair (50%).

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

    The cheapest flight price from Chicago to Southeast Europe is $424. On average you can expect to pay $3,388. The most popular route, (Chicago O'Hare Intl - Athens Eleftherios V.), can usually be booked for $441.

  • 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 $671). 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 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
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Midway to Heathrow flights
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O'Hare Intl to Keflavik Intl flights
Midway to Madrid flights
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Midway to Dublin flights
O'Hare Intl to Edinburgh flights
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Midway to Athens flights
Midway to Barcelona-El Prat flights
St. Louis to Frankfurt flights
O'Hare Intl to Vicenza flights
Midway to Lisbon flights
O'Hare Intl to Belgrade flights
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Midway to Keflavik Intl flights
O'Hare Intl to Florence flights
Midway to Frederic Chopin flights
O'Hare Intl to Geneva flights
St. Louis to Heathrow flights
O'Hare Intl to Berlin flights
O'Hare Intl to Prague flights
Midway to Frankfurt flights
O'Hare Intl to Naples 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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$705FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$424Average$779FlexibilityNo cancel feeOn-time72%
DeltaCheapest$439Average$879FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$454Average$812FlexibilityNo cancel feeOn-time77%
Air SerbiaCheapest$470Average$873FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$491Average$837FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$503Average$727FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$914FlexibilityNo cancel feeOn-time78%
LOTCheapest$520Average$898FlexibilityNo cancel feeOn-time81%
SWISSCheapest$525Average$958FlexibilityNo cancel feeOn-time79%

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