Southeast Europe

$176+ Cheap flights from O'Hare Intl (ORD) 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
Dec 3 — Dec 101
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Cheap flight deals from O'Hare Intl to Southeast Europe

Keep the following information in mind while searching for O'Hare Intl to Southeast Europe flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$489
(oojo)

One-way from

$176
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$601
Provider with most accurate pricing for Chicago (CHI)-Athens Eleftherios V. flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Athens Eleftherios V. flights.
From Chicago O'Hare Intl to Southeast Europe
One-way flight from Chicago O'Hare Intl to Southeast Europe
Highest demand for flights based on searches. 30% potential increase in price ($370 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from O'Hare Intl to Southeast Europe

Cheapest flights from O'Hare Intl to Southeast Europe
Explore the most affordable flight options available from O'Hare Intl to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:00 amORD - ATH
2 stops17h 05mUnited Airlines
Tue 11/1112:25 pmATH - ORD
2 stops19h 18mUnited Airlines
Deal found 11/3$493
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/31:45 pmORD - ATH
2 stops17h 20mAmerican Airlines
Mon 12/88:10 pmATH - ORD
1 stop27h 15mAmerican Airlines
Deal found 11/1$494
This Air Canada deal was found by Cheapflights users on 10/31. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:20 amORD - ATH
2 stops20h 15mAir Canada
Mon 11/1712:50 pmATH - ORD
2 stops37h 49mAir Canada
Deal found 10/31$495
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/2611:02 amORD - ATH
2 stops16h 58mUnited Airlines
Wed 12/36:35 amATH - ORD
2 stops19h 13mUnited Airlines
Deal found 11/2$496
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:50 pmORD - ATH
1 stop19h 50mMultiple Airlines
Mon 11/101:10 pmATH - ORD
2 stops33h 45mMultiple Airlines
Deal found 11/2$497
This Ovago deal was found by Cheapflights users on 11/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:50 pmORD - ATH
1 stop12h 10mLufthansa
Mon 11/102:15 pmATH - ORD
1 stop30h 55mLufthansa
Deal found 11/2$498
This oojo deal was found by Cheapflights users on 11/1. 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.
Fri 12/57:20 pmORD - ATH
1 stop33h 20mScandinavian Airlines
Fri 12/122:10 pmATH - ORD
1 stop34h 35mScandinavian Airlines
Deal found 11/1$499
This KLM deal was found by Cheapflights users on 11/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:35 pmORD - ATH
2 stops15h 00mMultiple Airlines
Thu 11/206:05 amATH - ORD
2 stops18h 19mMultiple Airlines
Deal found 11/3$500
This KLM deal was found by Cheapflights users on 11/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:23 pmORD - ATH
2 stops15h 37mMultiple Airlines
Mon 12/83:25 amATH - ORD
1 stop19h 45mMultiple Airlines
Deal found 11/3$501
This Kissandfly.com deal was found by Cheapflights users on 11/1. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:05 pmORD - ATH
2 stops30h 30mAir Canada
Fri 11/216:35 amATH - ORD
2 stops19h 13mAir Canada
Deal found 11/1$502
This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:50 pmORD - ATH
2 stops19h 45mAir Canada
Tue 12/26:25 amATH - ORD
2 stops21h 05mAir Canada
Deal found 11/3$503
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:50 pmORD - ATH
2 stops16h 30mMultiple Airlines
Wed 12/176:15 amATH - ORD
2 stops20h 10mMultiple Airlines
Deal found 11/2$504

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 November 3, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Southeast Europe that are best for you.

Fly from

O'Hare Intl

Fly to

Southeast Europe

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 3/3

8:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Tue 3/10

9:20 am-7:25 pm

1 stop16h 05m

$496

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 11/25

12:00 pm-12:00 pm

2 stops16h 00m

Athens Eleftherios V.

Thu 1/15

6:35 am-5:48 pm

2 stops19h 13m

$496

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 12/3

7:00 am-1:35 pm

2 stops22h 35m

Athens Eleftherios V.

Mon 12/8

3:25 am-3:10 pm

1 stop19h 45m

$496

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 11/25

11:02 am-12:00 pm

2 stops16h 58m

Athens Eleftherios V.

Tue 12/2

6:35 am-3:10 pm

2 stops40h 35m

$496

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 12/3

4:25 pm-4:35 pm

1 stop16h 10m

Athens Eleftherios V.

Mon 12/8

3:25 am-3:10 pm

1 stop19h 45m

$497

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/2

1:23 pm-1:00 pm

2 stops15h 37m

Athens Eleftherios V.

Mon 12/8

3:25 am-3:10 pm

1 stop19h 45m

$501

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/30

9:15 pm-12:00 pm

2 stops30h 45m

Athens Eleftherios V.

Mon 1/12

1:10 pm-3:20 pm

1 stop34h 10m

$514

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 12/15

10:36 am-9:55 am

1 stop15h 19m

Athens Eleftherios V.

Wed 12/24

12:50 pm-9:36 am

2 stops28h 46m

$523

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 12/15

5:30 am-9:55 am

2 stops20h 25m

Athens Eleftherios V.

Thu 12/25

12:50 pm-5:26 pm

1 stop36h 36m

$523

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 3/13

9:20 pm-8:30 pm

1 stop16h 10m

Bucharest Otopeni Intl

Sat 3/21

10:10 am-7:25 pm

1 stop16h 15m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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Best time to book a flight from O'Hare Intl to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe from O'Hare Intl 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 O'Hare Intl Airport to Southeast Europe

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Southeast Europe?

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Southeast Europe (average of $334). Flying from Chicago O'Hare Intl Airport 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 ORD to YMH?

Find hourly flight availability from O'Hare Intl 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 November 3, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 18% on flights from Chicago O'Hare Intl Airport to Southeast Europe by exploring options for tickets in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Southeast Europe?

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

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Southeast Europe flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons 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 November 3, 2025.
See what other customers who have flown with LOT, United Airlines, and Turkish Airlines from Chicago O'Hare Intl Airport to Southeast Europe have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.2

Food

7.1

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

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

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.2

Food

7.1

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

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

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.2

Food

7.1

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

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

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.2

Food

7.1

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

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

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.2

Food

7.1

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

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

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.2

Food

7.1

Comfort

7.5

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 O'Hare Intl 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 O'Hare Intl Airport to Southeast Europe?

    Departing from Chicago O'Hare Intl Airport to Southeast Europe will take you 15h 20m. Airlines will cover a distance of 4703 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Southeast Europe one-way?

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $321. However, be on the lookout for offers from Turkish Airlines and SWISS, as they are both options that can get you from Chicago O'Hare Intl Airport to Southeast Europe for a low price.

  • What are the most popular routes from Chicago O'Hare Intl Airport to Southeast Europe?

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Southeast Europe?

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to Southeast Europe consider choosing American Airlines (65%), Alaska Airlines (65%) or Finnair (65%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Southeast Europe?

    Looking at all options, your cheapest flight can be booked for $463. While the most popular route (Chicago O'Hare Intl - Athens Eleftherios V.) can be booked for $430 on average, our data indicates $3,574 when flying from Chicago O'Hare Intl Airport to Southeast Europe.

  • Can I find deals for flights from O'Hare Intl to Southeast Europe that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Southeast Europe?

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

  • Can I find deals for business class flights from O'Hare Intl to Southeast Europe?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Southeast Europe?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Southeast Europe (average of $334). Flying from Chicago O'Hare Intl Airport 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

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Alternative routes for O'Hare Intl to Southeast Europe

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from O'Hare Intl to Southeast Europe

Discover the top 10 airlines that operate flights from O'Hare Intl 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$706FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$424Average$779FlexibilityNo cancel feeOn-time72%
Air SerbiaCheapest$436Average$898FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$449Average$883FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$454Average$812FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$480Average$1,076FlexibilityNo cancel feeOn-time67%
KLMCheapest$491Average$850FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$503Average$736FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$909FlexibilityNo cancel feeOn-time78%
LOTCheapest$520Average$901FlexibilityNo cancel feeOn-time81%

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