Cheap flights from Illinois to Athens from $346

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 Athens departing on 6/3. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
1:30 pm - 4:15 pm
STL
-
ATH
18h 45m
2 stops
Scandinavian Airlines Logo
8:50 am - 11:39 pm
ATH
-
STL
22h 49m
2 stops
$792Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
Multiple Airlines Logo
1:20 pm - 6:55 pm
STL
-
ATH
21h 35m
2 stops
Multiple Airlines Logo
8:10 pm - 7:30 pm
ATH
-
STL
31h 20m
2 stops
$798Multiple Airlines
Mon, Nov 2 - Mon, Nov 9
Scandinavian Airlines Logo
3:42 pm - 6:40 pm
STL
-
ATH
18h 58m
2 stops
Scandinavian Airlines Logo
7:30 pm - 8:49 pm
ATH
-
STL
33h 19m
2 stops
$815Scandinavian Airlines
Mon, Oct 5 - Mon, Oct 12
British Airways Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
British Airways Logo
1:00 pm - 11:23 pm
ATH
-
STL
18h 23m
1 stop
$835British Airways
Tue, Aug 25 - Thu, Sep 3
British Airways Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
British Airways Logo
1:00 pm - 11:23 pm
ATH
-
STL
18h 23m
1 stop
$836British Airways
Tue, Aug 25 - Thu, Sep 3
American Airlines Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
American Airlines Logo
12:00 pm - 7:42 pm
ATH
-
STL
15h 42m
1 stop
$839American Airlines
Tue, Aug 25 - Thu, Sep 3
American Airlines Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
American Airlines Logo
11:15 am - 10:25 pm
ATH
-
STL
19h 10m
2 stops
$844American Airlines
Tue, Aug 25 - Thu, Sep 3
United Airlines Logo
4:15 pm - 11:15 am
STL
-
ATH
35h 00m
1 stop
United Airlines Logo
1:00 pm - 6:38 pm
ATH
-
STL
37h 38m
2 stops
$853United Airlines
Mon, Nov 2 - Mon, Nov 9
Air Canada Logo
7:25 am - 10:10 am
ORD
-
ATH
18h 45m
2 stops
Air Canada Logo
1:10 pm - 7:25 pm
ATH
-
ORD
14h 15m
1 stop
$1,081Air Canada
Wed, Jun 10 - Wed, Jun 17
United Airlines Logo
2:33 pm - 2:55 pm
PIA
-
ATH
16h 22m
2 stops
United Airlines Logo
12:35 pm - 11:20 pm
ATH
-
PIA
18h 45m
1 stop
$1,214United Airlines
Thu, Jun 11 - Wed, Jun 17

Scandinavian Airlines flights from Illinois to Athens

Our best Scandinavian Airlines deals on Illinois to Athens flight tickets
Scandinavian Airlines
Nov 2
STL1:30 pmLambert-St Louis
18h 45m
2 stops
ATH4:15 pmAthens Eleftherios V.
Nov 9
ATH8:50 amAthens Eleftherios V.
22h 49m
2 stops
STL11:39 pmLambert-St Louis
$792
Scandinavian Airlines
Oct 5
STL3:42 pmLambert-St Louis
18h 58m
2 stops
ATH6:40 pmAthens Eleftherios V.
Oct 12
ATH7:30 pmAthens Eleftherios V.
33h 19m
2 stops
STL8:49 pmLambert-St Louis
$815
Scandinavian Airlines
Nov 2
STL1:30 pmLambert-St Louis
27h 10m
3 stops
ATH12:40 amAthens Eleftherios V.
Nov 9
ATH8:50 amAthens Eleftherios V.
22h 49m
2 stops
STL11:39 pmLambert-St Louis
$914

Air Canada flights from Illinois to Athens

Our best Air Canada deals on Illinois to Athens flight tickets
Air Canada
Nov 2
STL4:15 pmLambert-St Louis
35h 00m
1 stop
ATH11:15 amAthens Eleftherios V.
Nov 9
ATH1:00 pmAthens Eleftherios V.
34h 30m
1 stop
STL3:30 pmLambert-St Louis
$866
Air Canada
Oct 14
STL12:10 pmLambert-St Louis
14h 00m
1 stop
ATH10:10 amAthens Eleftherios V.
Oct 21
ATH1:10 pmAthens Eleftherios V.
33h 01m
2 stops
STL2:11 pmLambert-St Louis
$871
Air Canada
Oct 14
STL6:00 amLambert-St Louis
20h 10m
2 stops
ATH10:10 amAthens Eleftherios V.
Oct 21
ATH1:10 pmAthens Eleftherios V.
33h 01m
2 stops
STL2:11 pmLambert-St Louis
$876

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Athens 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, momondo users made 832,500 searches. Data last updated May 17, 2026.
Use the filters below to find and compare flights from Illinois to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

1:30 pm-4:15 pm

2 stops18h 45m

Athens Eleftherios V.

Mon 11/9

8:50 am-11:39 pm

2 stops22h 49m

$792

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

1:20 pm-6:55 pm

2 stops21h 35m

Athens Eleftherios V.

Mon 11/9

8:10 pm-7:30 pm

2 stops31h 20m

$798

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 10/5

3:42 pm-6:40 pm

2 stops18h 58m

Athens Eleftherios V.

Mon 10/12

7:30 pm-8:49 pm

2 stops33h 19m

$815

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

1:00 pm-11:23 pm

1 stop18h 23m

$835

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

1:00 pm-11:23 pm

1 stop18h 23m

$836
Quickest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

12:00 pm-7:42 pm

1 stop15h 42m

$839

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

11:15 am-10:25 pm

2 stops19h 10m

$844

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

4:15 pm-11:15 am

1 stop35h 00m

Athens Eleftherios V.

Mon 11/9

1:00 pm-6:38 pm

2 stops37h 38m

$853

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 6/10

7:25 am-10:10 am

2 stops18h 45m

Athens Eleftherios V.

Wed 6/17

1:10 pm-7:25 pm

1 stop14h 15m

$1,081

PeoriaAthens

PIA - ATH

PIAATH

Greater Peoria

Thu 6/11

2:33 pm-2:55 pm

2 stops16h 22m

Athens Eleftherios V.

Wed 6/17

12:35 pm-11:20 pm

1 stop18h 45m

$1,214

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Athens from

How to get the cheapest flight ticket from Illinois to Athens

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

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from Illinois is in November. Flight prices, which tend to average around $372, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of November, then departing from Illinois during the month December is also very affordable. Most momondo users find prices during this month for around $387.

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

The cheapest day to depart on your flight to Athens is on a Monday when prices can be found for as low as $1,139. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,364. These prices are subject to change though, so be sure to set up a Price Alert for flights to Athens.

What is the cheapest Illinois to Athens Eleftherios V. flight route?

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

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

You are more likely to see cheaper flights to Athens from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Athens for around $867 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Athens from Illinois for as low as $895 on momondo.

Can stopping save me money on Illinois to Athens flights?

You could potentially save up to 31% on your flight if you consider stops on a Illinois to Athens flight.

Cheap Illinois to Athens flight deals and tips

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

Best Price Found

$724

Fastest flight time

10h 00m

Direct flights

Every day

Airports in Athens

1 airport
The best one-way flight to Athens from Illinois in the past 72 hours is $724. The best round-trip flight deal from Illinois to Athens found on momondo in the last 72 hours is $1,291.
The fastest flight from Illinois to Athens takes 10h 00m
Direct flights go from Illinois to Athens every day.
There is 1 airport in Athens. From Illinois there are direct flights to Athens Eleftherios V. (ATH).

Frequently asked questions about flying from Illinois to Athens

  • When did momondo last update prices for flights from Illinois to Athens Eleftherios V. Airport?

    Prices for flights from Illinois to Athens Eleftherios V. Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Athens Eleftherios V. Airport?

  • How old do you have to be to fly from Illinois to Athens Eleftherios V. Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Athens Eleftherios V. Airport.

  • What documentation or ID do you need to fly to Athens Eleftherios V. Airport?

    The required travel and health documents for your Athens Eleftherios V. Airport 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 Athens Eleftherios V. Airport. 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 Athens?

Best airlines flying from Illinois to Athens

Compare and see reviews for airlines that fly from Illinois to Athens with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $407Free CancellationRating
7.4
1,778 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom $424Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $438Free CancellationRating
7.9
8,454 reviews
Search Delta flights
Air FrancePriceFrom $454Free CancellationRating
7.4
1,587 reviews
Search Air France flights
KLMPriceFrom $466Free CancellationRating
7.8
1,517 reviews
Search KLM flights
Air CanadaPriceFrom $480Free CancellationRating
7.1
11,051 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom $486Free CancellationRating
7.2
2,252 reviews
Search TAP AIR PORTUGAL flights
LOTPriceFrom $488Free CancellationRating
7.5
1,190 reviews
Search LOT flights
Air SerbiaPriceFrom $507Free CancellationRating
6.2
223 reviews
Search Air Serbia flights
Turkish AirlinesPriceFrom $507Free CancellationRating
7.4
4,369 reviews
Search Turkish Airlines flights

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Piraeus
Glyfada
Loutraki
Hydra
Aegina
Skala
Tolo
Marathon
Corinth
Agia Marina
Chalcis
Galaxidi
Porto Cheli
Megalochori

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Athens. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Illinois to Athens with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Illinois to Athens flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Athens from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Tue 6/16
Tue 6/23

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