In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

How far in advance should I book a flight from Southeast Europe to Illinois?

Users have found that booking a flight from Southeast Europe to Illinois at least 23 days early can save you up to 90% on average compared to booking a flight this week. If booking 23 days before your flight isn’t an option for you, users have found flights from Southeast Europe to Illinois for as little as $614 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $833 for flights departing within the next 3 days.

What is the cheapest month to fly from Southeast Europe to Illinois?

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, February can be a great choice for travel to Illinois. Flights to Illinois from Southeast Europe in February are about $684 on average during February, but can be found for as low as $512.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Southeast Europe to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$342+ Flights from Southeast Europe to Illinois

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Cheap flight deals from Southeast Europe to Illinois

Round-trip from	$573 (American Airlines)
One-way from	$342 (Kiwi.com)

From Southeast Europe to Illinois

Search Deals

One-way flight from Southeast Europe to Illinois

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Find flight deals from Southeast Europe to Illinois

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

Fri 9/126:30 amATH - ORD

1 stop14h 50mAustrian Airlines

Fri 10/174:00 pmORD - ATH

2 stops23h 40mAustrian Airlines

Deal found 8/5

$569

Sat 8/168:15 amATH - ORD

1 stop15h 40mAmerican Airlines

Wed 8/278:37 amORD - ATH

1 stop19h 28mAmerican Airlines

Deal found 8/5

$573

Tue 9/166:30 amATH - ORD

2 stops19h 55mAustrian Airlines

Sun 10/124:00 pmORD - ATH

2 stops36h 45mAustrian Airlines

Deal found 8/5

$574

Mon 8/1812:35 pmATH - ORD

Nonstop11h 45mLufthansa

Sun 8/244:15 pmORD - ATH

Nonstop10h 15mLufthansa

Deal found 8/5

$575

Tue 9/912:35 pmATH - ORD

Nonstop11h 45mUnited Airlines

Sat 10/1110:40 amORD - ATH

1 stop15h 25mUnited Airlines

Deal found 8/5

$576

Tue 9/26:40 amATH - ORD

2 stops19h 45mUnited Airlines

Tue 9/911:40 amORD - ATH

2 stops17h 50mUnited Airlines

Deal found 8/5

$577

Sun 8/177:05 amATH - ORD

2 stops24h 17mAmerican Airlines

Thu 8/288:35 amORD - ATH

1 stop19h 30mAmerican Airlines

Deal found 8/5

$579

Mon 9/156:30 amATH - ORD

1 stop14h 50mMultiple Airlines

Mon 10/1310:40 amORD - ATH

1 stop15h 25mMultiple Airlines

Deal found 8/5

$580

Tue 9/166:00 amATH - MDW

2 stops20h 35mDelta

Thu 10/166:23 pmMDW - ATH

2 stops14h 42mDelta

Deal found 8/5

$581

Thu 9/46:15 amATH - ORD

2 stops19h 22mDelta

Sat 9/205:15 pmORD - ATH

2 stops16h 15mDelta

Deal found 8/5

$581

Thu 10/2310:30 amATH - MDW

2 stops19h 44mDelta

Tue 10/2810:35 amMDW - ATH

2 stops19h 25mDelta

Deal found 8/5

$582

Wed 9/106:30 amATH - ORD

2 stops37h 35mAustrian Airlines

Wed 10/1512:55 pmORD - ATH

2 stops15h 50mAustrian Airlines

Deal found 8/5

$582

Best flights from Southeast Europe to Illinois
Discover carefully curated flight deals from Southeast Europe to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2025.

Fri 9/126:30 amATH - ORD

1 stop14h 50mAustrian Airlines

Fri 10/174:00 pmORD - ATH

2 stops23h 40mAustrian Airlines

Deal found 8/5

$569

Sat 8/168:15 amATH - ORD

1 stop15h 40mAmerican Airlines

Wed 8/278:37 amORD - ATH

1 stop19h 28mAmerican Airlines

Deal found 8/5

$573

Mon 8/1812:35 pmATH - ORD

Nonstop11h 45mLufthansa

Sun 8/244:15 pmORD - ATH

Nonstop10h 15mLufthansa

Deal found 8/5

$575

Tue 9/912:35 pmATH - ORD

Nonstop11h 45mUnited Airlines

Sun 10/1210:40 amORD - ATH

1 stop15h 25mUnited Airlines

Deal found 8/5

$576

Mon 9/156:30 amATH - ORD

1 stop14h 50mMultiple Airlines

Mon 10/1310:40 amORD - ATH

1 stop15h 25mMultiple Airlines

Deal found 8/5

$580

Tue 9/166:00 amATH - MDW

2 stops20h 35mDelta

Thu 10/166:23 pmMDW - ATH

2 stops14h 42mDelta

Deal found 8/5

$581

Wed 10/16:30 amATH - ORD

2 stops41h 25mSWISS

Wed 10/157:05 pmORD - ATH

1 stop34h 05mSWISS

Deal found 8/5

$583

Fri 8/159:10 amATH - MDW

1 stop20h 34mVirgin Atlantic

Sat 8/239:31 amMDW - ATH

2 stops16h 39mVirgin Atlantic

Deal found 8/4

$635

Fri 8/229:50 pmOTP - ORD

1 stop26h 20mScandinavian Airlines

Mon 9/156:59 pmORD - OTP

2 stops41h 01mScandinavian Airlines

Deal found 8/4

$637

Sat 10/46:05 amBEG - ORD

2 stops34h 46mAir Canada

Mon 10/1310:40 amORD - BEG

2 stops22h 50mAir Canada

Deal found 8/4

$648

Wed 9/36:00 amBEG - ORD

1 stop15h 40mKLM

Thu 9/184:15 pmORD - BEG

1 stop12h 40mKLM

Deal found 8/5

$653

Fri 11/218:00 amOTP - ORD

1 stop18h 45mBritish Airways

Sat 11/295:10 pmORD - OTP

1 stop13h 55mBritish Airways

Deal found 8/4

$657

Last-minute flights from Southeast Europe to Illinois
Discover last-minute flight deals from Southeast Europe to Illinois. Data last updated August 5, 2025 and is based on user searches.

Mon 8/117:30 pmATH - ORD

1 stop24h 25mBritish Airways

Thu 12/259:45 pmORD - ATH

1 stop19h 40mBritish Airways

Deal found 8/5

$665

Mon 8/1112:35 pmATH - ORD

Nonstop11h 45mLufthansa

Mon 8/184:15 pmORD - ATH

Nonstop10h 15mLufthansa

Deal found 8/4

$666

Mon 8/1112:35 pmATH - ORD

Nonstop11h 45mMultiple Airlines

Thu 12/255:55 pmORD - ATH

1 stop13h 20mMultiple Airlines

Deal found 8/5

$676

Wed 8/131:40 pmBEG - ORD

1 stop13h 15mUnited Airlines

Mon 3/1610:42 amORD - BEG

2 stops20h 08mUnited Airlines

Deal found 8/4

$692

Thu 8/1412:35 pmATH - ORD

Nonstop11h 45mMultiple Airlines

Fri 6/52:20 pmORD - ATH

1 stop14h 50mMultiple Airlines

Deal found 8/4

$679

Thu 8/146:55 amATH - ORD

1 stop15h 45mBritish Airways

Fri 6/54:55 pmORD - ATH

1 stop25h 05mBritish Airways

Deal found 8/4

$698

Thu 8/1411:45 amATH - ORD

1 stop28h 04mUnited Airlines

Fri 6/56:00 amORD - ATH

2 stops20h 05mUnited Airlines

Deal found 8/4

$726

Fri 8/1512:35 pmATH - ORD

Nonstop11h 45mUnited Airlines

Sun 8/313:35 pmORD - ATH

1 stop34h 30mUnited Airlines

Deal found 8/5

$576

Fri 8/159:10 amATH - MDW

1 stop20h 34mVirgin Atlantic

Sat 8/239:31 amMDW - ATH

2 stops16h 39mVirgin Atlantic

Deal found 8/4

$635

Fri 8/156:00 amOTP - ORD

1 stop14h 55mUnited Airlines

Fri 10/244:00 pmORD - OTP

1 stop12h 55mUnited Airlines

Deal found 8/5

$656

Fri 8/159:10 amATH - ORD

2 stops19h 13mVirgin Atlantic

Sat 8/236:10 amORD - ATH

2 stops20h 00mVirgin Atlantic

Deal found 8/4

$694

Fri 8/151:40 pmATH - ORD

2 stops18h 16mDelta

Sun 8/314:15 pmORD - ATH

1 stop25h 05mDelta

Deal found 8/5

$714

One-way flights from Southeast Europe to Illinois
Search for one-way flight options from Southeast Europe to Illinois. Find affordable one-way fares based on user searches. Data last updated August 5, 2025.

Wed 10/225:55 pmSOF - ORD

2 stops26h 40mMultiple Airlines

Deal found 8/4

$342

Wed 9/1012:10 pmOTP - ORD

3 stops30h 45mMultiple Airlines

Deal found 8/4

$355

Wed 9/105:35 amSKP - ORD

3 stops36h 20mMultiple Airlines

Deal found 8/5

$371

Tue 9/3012:35 pmSKP - ORD

2 stops35h 16mMultiple Airlines

Deal found 8/5

$374

Tue 9/3010:10 amSPU - ORD

2 stops37h 41mMultiple Airlines

Deal found 8/4

$385

Tue 9/24:55 pmOTP - ORD

2 stops51h 40mMultiple Airlines

Deal found 8/4

$393

Fri 10/39:25 pmSPU - ORD

2 stops31h 46mMultiple Airlines

Deal found 8/3

$393

Tue 9/303:10 pmSKP - ORD

1 stop30h 15mAir Serbia

Deal found 8/5

$393

Sat 9/275:45 amSOF - ORD

2 stops24h 26mMultiple Airlines

Deal found 8/4

$406

Wed 9/104:00 amSKP - ORD

1 stop17h 25mAir Serbia

Deal found 8/5

$408

Sat 9/139:30 amOTP - ORD

2 stops31h 48mMultiple Airlines

Deal found 8/5

$413

Sun 9/145:55 amOTP - ORD

2 stops42h 17mMultiple Airlines

Deal found 8/5

$423

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southeast Europe to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 9/12

6:30 am-1:20 pm

1 stop14h 50m

Chicago O'Hare Intl

Fri 10/17

4:00 pm-11:40 pm

2 stops23h 40m

$569

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 8/16

8:15 am-3:55 pm

1 stop15h 40m

Chicago O'Hare Intl

Wed 8/27

8:37 am-12:05 pm

1 stop19h 28m

$573

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 9/16

6:30 am-6:25 pm

2 stops19h 55m

Chicago O'Hare Intl

Sun 10/12

4:00 pm-12:45 pm

2 stops36h 45m

$574

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 8/18

12:35 pm-4:20 pm

Nonstop11h 45m

Chicago O'Hare Intl

Sun 8/24

4:15 pm-10:30 am

Nonstop10h 15m

$575

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 9/9

12:35 pm-4:20 pm

Nonstop11h 45m

Chicago O'Hare Intl

Sun 10/12

10:40 am-10:05 am

1 stop15h 25m

$576

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 9/2

6:40 am-6:25 pm

2 stops19h 45m

Chicago O'Hare Intl

Tue 9/9

11:40 am-1:30 pm

2 stops17h 50m

$577

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 8/17

7:05 am-11:22 pm

2 stops24h 17m

Chicago O'Hare Intl

Thu 8/28

8:35 am-12:05 pm

1 stop19h 30m

$579

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 9/15

6:30 am-1:20 pm

1 stop14h 50m

Chicago O'Hare Intl

Mon 10/13

10:40 am-10:05 am

1 stop15h 25m

$580

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Tue 9/16

6:00 am-6:35 pm

2 stops20h 35m

Chicago Midway

Thu 10/16

6:23 pm-5:05 pm

2 stops14h 42m

$581

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 9/4

6:15 am-5:37 pm

2 stops19h 22m

Chicago O'Hare Intl

Sat 9/20

5:15 pm-5:30 pm

2 stops16h 15m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 60 results

...

Best time to book a flight from Southeast Europe to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Southeast Europe to Illinois (average of $245). Flying from Southeast Europe to Illinois in March is currently the most expensive (average of $321). 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 YMH to IL?

When flying from Southeast Europe to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Southeast Europe to Illinois

The most flights from zzYMH to USIL 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 Illinois

Peruse reviews from past customers who have flown with Emirates, Delta, and KLM from Southeast Europe to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Emirates

8.1

Very good

3,304 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Emirates

8.1

Very good

3,304 reviews

Emirates

8.1

Very good

3,304 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Delta

8.0

Very good

7,985 reviews

Emirates

8.1

Very good

3,304 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

KLM

7.8

Good

1,381 reviews

Emirates

8.1

Very good

3,304 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

LOT

7.6

Good

1,102 reviews

Emirates

8.1

Very good

3,304 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Austrian Airlines

7.6

Good

823 reviews

Emirates

8.1

Very good

3,304 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Related info for your journey

Can I find deals for flights from Southeast Europe to Illinois that include hotel bookings?
Yes. In addition to deals on Southeast Europe to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Southeast Europe to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Europe to Illinois.
Can I find deals for business class flights from Southeast Europe to Illinois?
Yes. Cheapflights offers flight deals from Southeast Europe to Illinois 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 Southeast Europe to Illinois?
Currently, August is the cheapest month in which you can book a flight from Southeast Europe to Illinois (average of $245). Flying from Southeast Europe to Illinois in March is currently the most expensive (average of $321). 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

Southeast Europe to Illinois flights

Top 10 airlines flying from Southeast Europe to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$323	Average$650	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$336	Average$715	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$460	Average$755	FlexibilityNo cancel fee	On-time75%
LOT	Cheapest$487	Average$667	FlexibilityNo cancel fee	On-time81%
British Airways	Cheapest$490	Average$694	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$497	Average$652	FlexibilityNo cancel fee	On-time71%
Iberia	Cheapest$511	Average$693	FlexibilityNo cancel fee	On-time77%
ITA Airways	Cheapest$518	Average$844	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$547	Average$758	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$549	Average$759	FlexibilityNo cancel fee	On-time76%

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$342+ Cheap flights from Southeast Europe to Illinois

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.

Find cheap flights from Southeast Europe to Illinois with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Southeast Europe to Illinois

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

Round-trip from

One-way from

Find flight deals from Southeast Europe to Illinois

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

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

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southeast Europe to Illinois that are best for you.

Best time to book a flight from Southeast Europe to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Southeast Europe with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Southeast Europe to Illinois

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

What is the cheapest time of day to fly from YMH to IL?

Find hourly flight availability from Southeast Europe to Illinois. 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.

Weekly flight availability from Southeast Europe to Illinois

Reviews of airlines servicing Illinois

Peruse reviews from past customers who have flown with Emirates, Delta, and KLM from Southeast Europe to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Southeast Europe to Illinois. 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 Southeast Europe to Illinois that include hotel bookings?

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

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

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

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 Southeast Europe to Illinois

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

Top 10 airlines flying from Southeast Europe to Illinois

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Travel Smart

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