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?

Air Serbia, KLM, and British Airways 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 08m on average. On the other hand, flying from Peoria to Athens takes 16h 20m 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 February 2026.

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.

$257 Cheap Flights from Illinois to Greece in 2026

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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.

7:00 pm - 10:40 am

STL

ATH

32h 40m

2 stops

1:10 pm - 2:42 pm

ATH

STL

32h 32m

2 stops

$479United Airlines

Tue, Mar 10 - Tue, Mar 17

8:17 am - 9:05 am

STL

ATH

17h 48m

2 stops

1:10 pm - 2:42 pm

ATH

STL

32h 32m

2 stops

$480United Airlines

Tue, Mar 10 - Tue, Mar 17

8:17 am - 9:20 am

STL

ATH

18h 03m

2 stops

1:10 pm - 3:29 pm

ATH

STL

33h 19m

1 stop

$492Air Canada

Tue, Mar 10 - Tue, Mar 17

4:05 pm - 10:40 am

STL

ATH

35h 35m

2 stops

1:10 pm - 3:29 pm

ATH

STL

33h 19m

1 stop

$496Air Canada

Tue, Mar 10 - Tue, Mar 17

6:32 am - 9:35 am

STL

ATH

20h 03m

2 stops

1:45 pm - 11:58 pm

ATH

STL

17h 13m

2 stops

$502Delta

Tue, Mar 17 - Tue, Mar 24

11:09 am - 1:25 pm

STL

ATH

19h 16m

2 stops

8:00 am - 11:44 pm

ATH

STL

22h 44m

2 stops

$506American Airlines

Sun, Mar 8 - Sun, Mar 15

10:00 am - 1:25 pm

STL

ATH

20h 25m

2 stops

10:55 am - 8:41 pm

ATH

STL

40h 46m

2 stops

$514United Airlines

Sun, Mar 8 - Sun, Mar 15

7:00 am - 9:05 am

STL

ATH

19h 05m

1 stop

1:10 pm - 3:29 pm

ATH

STL

33h 19m

1 stop

$538Lufthansa

Tue, Mar 10 - Tue, Mar 17

7:00 am - 9:05 am

STL

ATH

19h 05m

1 stop

1:10 pm - 3:29 pm

ATH

STL

33h 19m

1 stop

$539Lufthansa

Tue, Mar 10 - Tue, Mar 17

6:00 am - 9:55 am

MDW

ATH

20h 55m

1 stop

12:20 pm - 10:31 pm

ATH

MDW

17h 11m

1 stop

$639Delta

Mon, Mar 9 - Sun, Mar 15

United Airlines flights from Illinois to Greece

Our best United Airlines deals on Illinois to Greece flight tickets

United Airlines

Mar 10

STL7:00 pmLambert-St Louis

32h 40m

2 stops

ATH10:40 amAthens Eleftherios V.

Mar 17

ATH1:10 pmAthens Eleftherios V.

32h 32m

2 stops

STL2:42 pmLambert-St Louis

$479

United Airlines

Mar 10

STL8:17 amLambert-St Louis

17h 48m

2 stops

ATH9:05 amAthens Eleftherios V.

Mar 17

ATH1:10 pmAthens Eleftherios V.

32h 32m

2 stops

STL2:42 pmLambert-St Louis

$480

United Airlines

Mar 8

STL10:00 amLambert-St Louis

20h 25m

2 stops

ATH1:25 pmAthens Eleftherios V.

Mar 15

ATH10:55 amAthens Eleftherios V.

40h 46m

2 stops

STL8:41 pmLambert-St Louis

$514

Air Canada flights from Illinois to Greece

Our best Air Canada deals on Illinois to Greece flight tickets

Air Canada

Mar 10

STL8:17 amLambert-St Louis

18h 03m

2 stops

ATH9:20 amAthens Eleftherios V.

Mar 17

ATH1:10 pmAthens Eleftherios V.

33h 19m

1 stop

STL3:29 pmLambert-St Louis

$492

Air Canada

Mar 10

STL4:05 pmLambert-St Louis

35h 35m

2 stops

ATH10:40 amAthens Eleftherios V.

Mar 17

ATH1:10 pmAthens Eleftherios V.

33h 19m

1 stop

STL3:29 pmLambert-St Louis

$496

Air Canada

Mar 16

ORD7:15 amChicago O'Hare Intl

22h 40m

2 stops

ATH12:55 pmAthens Eleftherios V.

Mar 18

ATH10:55 amAthens Eleftherios V.

28h 05m

2 stops

ORD8:00 amChicago O'Hare Intl

$586

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

7:00 pm-10:40 am

2 stops32h 40m

Athens Eleftherios V.

Tue 3/17

1:10 pm-2:42 pm

2 stops32h 32m

$479

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

8:17 am-9:05 am

2 stops17h 48m

Athens Eleftherios V.

Tue 3/17

1:10 pm-2:42 pm

2 stops32h 32m

$480

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

8:17 am-9:20 am

2 stops18h 03m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$492

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

4:05 pm-10:40 am

2 stops35h 35m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$496

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/17

6:32 am-9:35 am

2 stops20h 03m

Athens Eleftherios V.

Tue 3/24

1:45 pm-11:58 pm

2 stops17h 13m

$502

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

11:09 am-1:25 pm

2 stops19h 16m

Athens Eleftherios V.

Sun 3/15

8:00 am-11:44 pm

2 stops22h 44m

$506

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

10:00 am-1:25 pm

2 stops20h 25m

Athens Eleftherios V.

Sun 3/15

10:55 am-8:41 pm

2 stops40h 46m

$514

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

7:00 am-9:05 am

1 stop19h 05m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$538

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

7:00 am-9:05 am

1 stop19h 05m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$539

ChicagoAthens

MDW - ATH

MDWATH

Chicago Midway

Mon 3/9

6:00 am-9:55 am

1 stop20h 55m

Athens Eleftherios V.

Sun 3/15

12:20 pm-10:31 pm

1 stop17h 11m

$639

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 $591. 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 $618.

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 $1,194. 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 $1,345. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $855 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 $871 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 8% 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	$614
Fastest flight time	10h 10m
Direct flights	Every day
Airports in Greece	191 airports

The best one-way flight to Greece from Illinois in the past 72 hours is $614. The best round-trip flight deal from Illinois to Greece found on momondo in the last 72 hours is $812.

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

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 February 2026.
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 47.25% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 30.94%, Boeing 787-10 Dreamliner at 20.41%, and Boeing 787-9 Dreamliner at 0.24%.

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 $396	Free Cancellation	Rating 7.3 1,679 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom $424	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $438	Free Cancellation	Rating 7.9 8,174 reviews	Search Delta flights
Air France	PriceFrom $454	Free Cancellation	Rating 7.4 1,531 reviews	Search Air France flights
KLM	PriceFrom $466	Free Cancellation	Rating 7.7 1,451 reviews	Search KLM flights
Air Serbia	PriceFrom $470	Free Cancellation	Rating 6.1 215 reviews	Search Air Serbia flights
Air Canada	PriceFrom $480	Free Cancellation	Rating 7.1 10,707 reviews	Search Air Canada flights
LOT	PriceFrom $488	Free Cancellation	Rating 7.5 1,179 reviews	Search LOT flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.3 4,211 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $533	Free Cancellation	Rating 6.8 7,777 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.

An easier way to manage your Greece trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

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Feeling lucky

Popular cities in Greece

Flights to Athensfrom $401

Flights to Thessalonikifrom $425

Flights to Heraklionfrom $525

Flights to Therafrom $564

Flights to Rhodesfrom $578

Flights to Chaniafrom $438

Flights to Mykonosfrom $576

Flights to Argostolifrom $848

Flights to Prévezafrom $792

Flights to Parikiafrom $794

Flights to Skiathosfrom $785

Flights to Naxosfrom $922

Cheap flights from Illinois to Greece from $257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Greece departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Illinois to Greece

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United Airlines flights from Illinois to Greece

Our best United Airlines deals on Illinois to Greece flight tickets

Air Canada flights from Illinois to Greece

Our best Air Canada deals on Illinois to Greece flight tickets

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

See travel insights to Greece from

How to get the cheapest flight ticket from Illinois to Greece

What is the cheapest month to fly to Greece?

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

What is the cheapest Illinois to Greece flight route?

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

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

Can stopping save me money on Illinois to Greece flights?

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

What airlines fly to Greece?

How long is the flight from Illinois to Greece?

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

Fastest flight time

Direct flights

Airports in Greece

Best airlines flying from Illinois to Greece

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

Why use momondo?

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

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

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

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

An easier way to manage your Greece trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Greece

Popular cities in Greece

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

Greece flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Greece

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Greece

List of cabin classes available on flights landing in Greece. Availability may vary depending on flight origin and airline.

Complete your trip to Greece

Explore popular destinations other users love

According to popular flight searches on momondo this year