What airlines fly to Greece?

United Airlines, Turkish Airlines and Lufthansa are the top three most popular airlines that fly to Greece from Illinois according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Greece. Keep in mind that there are 18 different airlines that fly to Greece on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Greece?

British Airways, United Airlines, and Air France are the most popular carriers operating from Illinois to Greece

How long is the flight from Illinois to Greece?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Greece you fly into. For example, flying from Chicago to Athens takes 12h 53m on average. On the other hand, flying from Peoria to Athens takes 21h 31m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Illinois to Greece?

Prices for flights from Illinois to Greece are updated daily.

How many operators does momondo search for flights from Illinois to Greece?

The number of operators available for flights from Illinois to Greece is 18 as of December 2025.

How old do you have to be to fly from Illinois to Greece?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Greece.

What documentation or ID do you need to fly to Greece?

The required travel and health documents for your Greece trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Greece. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$240 Cheap Flights from Illinois to Greece in 2025/26

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Find the cheapest flights from Illinois to Greece

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 11:40 am

STL

ATH

35h 35m2 stops

12:15 pm - 4:04 pm

ATH

STL

34h 49m2 stops

$479Air Canada

Thu, Mar 5 - Thu, Mar 12

6:55 pm - 1:40 am

STL

ATH

22h 45m2 stops

2:10 pm - 10:59 pm

ATH

STL

16h 49m2 stops

$487Lufthansa

Sun, Feb 15 - Thu, Feb 26

2:26 pm - 6:50 pm

STL

ATH

20h 24m2 stops

7:50 pm - 11:52 pm

ATH

STL

35h 02m2 stops

$491British Airways

Sat, Feb 28 - Sun, Mar 8

6:59 pm - 9:55 am

STL

ATH

31h 56m1 stop

12:20 pm - 11:58 pm

ATH

STL

18h 38m1 stop

$495Virgin Atlantic

Sun, Mar 8 - Sun, Mar 15

4:05 pm - 4:40 pm

STL

ATH

16h 35m2 stops

12:15 pm - 3:29 pm

ATH

STL

34h 14m1 stop

$497Multiple Airlines

Tue, Mar 3 - Mon, Mar 9

6:40 pm - 1:40 am

STL

ATH

23h 00m2 stops

6:25 am - 3:29 pm

ATH

STL

41h 04m2 stops

$499Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

5:50 pm - 1:35 pm

STL

ATH

35h 45m2 stops

1:45 pm - 11:23 pm

ATH

STL

41h 38m2 stops

$501Delta

Sat, Feb 14 - Mon, Feb 23

12:45 pm - 1:35 pm

MDW

ATH

16h 50m2 stops

9:10 am - 10:31 pm

ATH

MDW

21h 21m1 stop

$593Delta

Sun, Mar 1 - Wed, Apr 1

12:47 pm - 9:55 am

MDW

ATH

14h 08m1 stop

12:20 pm - 10:31 pm

ATH

MDW

17h 11m1 stop

$649Virgin Atlantic

Mon, Mar 9 - Tue, Mar 17

8:47 pm - 3:00 pm

ORD

JMK

34h 13m2 stops

1:15 pm - 4:45 pm

JMK

ORD

35h 30m2 stops

$1,010British Airways

Sat, May 2 - Sat, May 9

British Airways flights from Illinois to Greece

Our best British Airways deals on Illinois to Greece flight tickets

British Airways

Feb 28

STL2:26 pmLambert-St Louis

20h 24m

2 stops

ATH6:50 pmAthens Eleftherios V.

Mar 8

ATH7:50 pmAthens Eleftherios V.

35h 02m

2 stops

STL11:52 pmLambert-St Louis

$491

Find similar

British Airways

Mar 18

ORD10:45 pmChicago O'Hare Intl

19h 20m

1 stop

ATH1:05 amAthens Eleftherios V.

Mar 30

ATH3:25 pmAthens Eleftherios V.

30h 25m

1 stop

ORD1:50 pmChicago O'Hare Intl

$567

Find similar

British Airways

Mar 23

STL10:07 amLambert-St Louis

25h 48m

2 stops

ATH6:55 pmAthens Eleftherios V.

Mar 30

ATH5:30 pmAthens Eleftherios V.

32h 31m

2 stops

STL6:01 pmLambert-St Louis

$591

Find similar

Turkish Airlines flights from Illinois to Greece

Our best Turkish Airlines deals on Illinois to Greece flight tickets

Turkish Airlines

Apr 29

ORD11:25 amChicago O'Hare Intl

13h 30m

1 stop

ATH8:55 amAthens Eleftherios V.

May 5

ATH10:00 pmAthens Eleftherios V.

19h 40m

1 stop

ORD9:40 amChicago O'Hare Intl

$517

Find similar

Turkish Airlines

Feb 10

ORD8:20 pmChicago O'Hare Intl

32h 00m

1 stop

ATH12:20 pmAthens Eleftherios V.

Feb 17

ATH10:10 amAthens Eleftherios V.

31h 55m

1 stop

ORD10:05 amChicago O'Hare Intl

$518

Find similar

Turkish Airlines

Mar 29

ORD7:50 pmChicago O'Hare Intl

16h 40m

1 stop

ATH8:30 pmAthens Eleftherios V.

Apr 14

ATH10:00 pmAthens Eleftherios V.

19h 40m

1 stop

ORD9:40 amChicago O'Hare Intl

$519

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/5

4:05 pm-11:40 am

2 stops35h 35m

Athens Eleftherios V.

Thu 3/12

12:15 pm-4:04 pm

2 stops34h 49m

$479

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 2/15

6:55 pm-1:40 am

2 stops22h 45m

Athens Eleftherios V.

Thu 2/26

2:10 pm-10:59 pm

2 stops16h 49m

$487

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

2:26 pm-6:50 pm

2 stops20h 24m

Athens Eleftherios V.

Sun 3/8

7:50 pm-11:52 pm

2 stops35h 02m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

6:59 pm-9:55 am

1 stop31h 56m

Athens Eleftherios V.

Sun 3/15

12:20 pm-11:58 pm

1 stop18h 38m

$495

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

4:05 pm-4:40 pm

2 stops16h 35m

Athens Eleftherios V.

Mon 3/9

12:15 pm-3:29 pm

1 stop34h 14m

$497

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 2/9

6:40 pm-1:40 am

2 stops23h 00m

Athens Eleftherios V.

Mon 2/16

6:25 am-3:29 pm

2 stops41h 04m

$499

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/14

5:50 pm-1:35 pm

2 stops35h 45m

Athens Eleftherios V.

Mon 2/23

1:45 pm-11:23 pm

2 stops41h 38m

$501

ChicagoAthens

MDW - ATH

MDWATH

Chicago Midway

Sun 3/1

12:45 pm-1:35 pm

2 stops16h 50m

Athens Eleftherios V.

Wed 4/1

9:10 am-10:31 pm

1 stop21h 21m

$593

ChicagoAthens

MDW - ATH

MDWATH

Chicago Midway

Mon 3/9

12:47 pm-9:55 am

1 stop14h 08m

Athens Eleftherios V.

Tue 3/17

12:20 pm-10:31 pm

1 stop17h 11m

$649

ChicagoMykonos

ORD - JMK

ORDJMK

Chicago O'Hare Intl

Sat 5/2

8:47 pm-3:00 pm

2 stops34h 13m

Mikonos

Sat 5/9

1:15 pm-4:45 pm

2 stops35h 30m

$1,010

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Greece

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Greece?

In general, November is the cheapest month to fly from Illinois to Greece. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $589. If you are unable to visit Greece during the month of November, then departing from Illinois during the month February is also very affordable. Most momondo users find prices during this month for around $628.

What is the cheapest day to depart on your flight to Greece?

According to our data, Tuesday is the cheapest day to fly to Greece from Illinois. The lowest ticket price found for a Tuesday departure recently was $1,188. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Illinois to Greece on a Friday will generally be more expensive and average around $1,335. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Greece?

Flying to Greece from Illinois in the morning is the least expensive time of day to depart. momondo users have found prices as low as $795 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Greece, so prices are often more expensive at around $1,273 per ticket.

What is the cheapest Illinois to Greece flight route?

Fly from Chicago O'Hare Intl to Athens Eleftherios V. for the best Illinois - Greece flight prices

How far in advance should I book a flight to Greece?

You are more likely to see cheaper flights to Greece from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Greece for around $858 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Greece from Illinois for as low as $850 on momondo.

What cabin class options are available on Illinois to Greece flights?

There are 3 cabin classes available to choose from on Illinois to Greece flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Greece flights?

You could potentially save up to 6% on your flight if you consider stops on a Illinois to Greece flight.

Cheap Illinois to Greece flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Greece

Best Price Found	$713
Fastest flight time	10h 05m
Direct flights	Every day
Airports in Greece	191 airports

The best one-way flight to Greece from Illinois in the past 72 hours is $713. The best round-trip flight deal from Illinois to Greece found on momondo in the last 72 hours is $971.

The fastest flight from Illinois to Greece takes 10h 05m

Direct flights go from Illinois to Greece every day.

There are 191 airports in Greece. From Illinois there are direct flights to Athens Eleftherios V. (ATH).

Search flight deals

When did momondo last update prices for flights from Illinois to Greece?
Prices for flights from Illinois to Greece are updated daily.
How many operators does momondo search for flights from Illinois to Greece?
The number of operators available for flights from Illinois to Greece is 18 as of December 2025.
How old do you have to be to fly from Illinois to Greece?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Greece.
What documentation or ID do you need to fly to Greece?
The required travel and health documents for your Greece trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Greece. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Greece?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Greece is Boeing 787 Dreamliner, representing 44.26% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 29.48%, Boeing 787-10 Dreamliner at 23.03%, and Boeing 787-9 Dreamliner at 0.99%.

Best airlines flying from Illinois to Greece

Compare and see reviews for airlines that fly from Illinois to Greece with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $407	Free Cancellation	Rating 7.4 1,629 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom $424	Free Cancellation	Rating 7.5 677 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $439	Free Cancellation	Rating 7.9 8,022 reviews	Search Delta flights
Air France	PriceFrom $454	Free Cancellation	Rating 7.4 1,515 reviews	Search Air France flights
KLM	PriceFrom $466	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
Air Serbia	PriceFrom $470	Free Cancellation	Rating 6.2 210 reviews	Search Air Serbia flights
Air Canada	PriceFrom $480	Free Cancellation	Rating 7.1 10,562 reviews	Search Air Canada flights
LOT	PriceFrom $496	Free Cancellation	Rating 7.5 1,153 reviews	Search LOT flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 4,123 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $537	Free Cancellation	Rating 6.8 7,657 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Greece?

Finding the right flight to Greece from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Greece quick and easy, saving you time and money.

Can I find flights from Illinois to Greece with flexible booking policies on momondo?

Yes. All flights to Greece from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Greece?

momondo helps you find the best flight between Illinois and Greece by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to Greece right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Greece now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Greece and let you know when they change.