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Cheap flights from Illinois to Thera from $394

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 Thera departing on 7/13. 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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Find the cheapest flights from Illinois to Thera

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:25 am - 11:50 pm
ORD
-
JTR
28h 25m
2 stops
Multiple Airlines Logo
12:05 am - 9:40 am
JTR
-
ORD
17h 35m
2 stops
$801Multiple Airlines
Sun, Apr 26 - Fri, May 8
Multiple Airlines Logo
3:45 pm - 4:55 pm
ORD
-
JTR
17h 10m
1 stop
Multiple Airlines Logo
12:05 am - 9:15 pm
JTR
-
ORD
29h 10m
2 stops
$879Multiple Airlines
Sun, Apr 26 - Fri, May 8
Multiple Airlines Logo
6:40 pm - 6:20 pm
ORD
-
JTR
39h 40m
2 stops
Multiple Airlines Logo
10:40 am - 12:35 pm
JTR
-
ORD
33h 55m
1 stop
$908Multiple Airlines
Mon, Apr 27 - Wed, May 6
British Airways Logo
7:15 am - 4:15 pm
STL
-
JTR
25h 00m
2 stops
British Airways Logo
2:50 pm - 7:30 pm
JTR
-
STL
36h 40m
1 stop
$924British Airways
Wed, Jul 22 - Tue, Jul 28
British Airways Logo
7:40 pm - 4:15 pm
ORD
-
JTR
36h 35m
2 stops
British Airways Logo
5:05 pm - 6:15 pm
JTR
-
ORD
33h 10m
1 stop
$924British Airways
Tue, Mar 31 - Thu, Apr 30
British Airways Logo
7:40 pm - 4:15 pm
ORD
-
JTR
36h 35m
2 stops
British Airways Logo
5:05 pm - 7:59 am
JTR
-
ORD
46h 54m
2 stops
$927British Airways
Tue, Mar 31 - Thu, Apr 30
Multiple Airlines Logo
9:50 pm - 11:15 am
ORD
-
JTR
29h 25m
2 stops
Multiple Airlines Logo
11:45 am - 8:05 pm
JTR
-
ORD
16h 20m
2 stops
$928Multiple Airlines
Mon, Feb 16 - Mon, Feb 23
Lufthansa Logo
3:35 pm - 4:55 pm
ORD
-
JTR
17h 20m
1 stop
Lufthansa Logo
7:35 pm - 12:35 pm
JTR
-
ORD
25h 00m
1 stop
$949Lufthansa
Sat, Jul 25 - Sat, Aug 1
Lufthansa Logo
1:13 pm - 4:55 pm
STL
-
JTR
19h 42m
2 stops
Lufthansa Logo
7:10 pm - 11:27 pm
JTR
-
STL
36h 17m
2 stops
$1,026Lufthansa
Sat, Jul 4 - Wed, Jul 15
Lufthansa Logo
1:13 pm - 4:55 pm
STL
-
JTR
19h 42m
2 stops
Lufthansa Logo
7:10 pm - 9:11 pm
JTR
-
STL
34h 01m
2 stops
$1,081Lufthansa
Sat, Jul 4 - Wed, Jul 15

Lufthansa flights from Illinois to Thera

Our best Lufthansa deals on Illinois to Thera flight tickets
Lufthansa
Jul 25
ORD3:35 pmChicago O'Hare Intl
17h 20m
1 stop
JTR4:55 pmThera Santorini
Aug 1
JTR7:35 pmThera Santorini
25h 00m
1 stop
ORD12:35 pmChicago O'Hare Intl
$949
Lufthansa
May 15
ORD9:40 pmChicago O'Hare Intl
13h 05m
1 stop
JTR6:45 pmThera Santorini
May 22
JTR7:25 pmThera Santorini
25h 10m
1 stop
ORD12:35 pmChicago O'Hare Intl
$967
Lufthansa
May 2
ORD3:35 pmChicago O'Hare Intl
17h 20m
1 stop
JTR4:55 pmThera Santorini
May 9
JTR7:35 pmThera Santorini
25h 20m
2 stops
ORD12:55 pmChicago O'Hare Intl
$986

British Airways flights from Illinois to Thera

Our best British Airways deals on Illinois to Thera flight tickets
British Airways
Jul 22
STL7:15 amLambert-St Louis
25h 00m
2 stops
JTR4:15 pmThera Santorini
Jul 28
JTR2:50 pmThera Santorini
36h 40m
1 stop
STL7:30 pmLambert-St Louis
$924
British Airways
Mar 31
ORD7:40 pmChicago O'Hare Intl
36h 35m
2 stops
JTR4:15 pmThera Santorini
Apr 30
JTR5:05 pmThera Santorini
46h 54m
2 stops
ORD7:59 amChicago O'Hare Intl
$927
British Airways
Jul 22
STL9:17 amLambert-St Louis
22h 58m
2 stops
JTR4:15 pmThera Santorini
Jul 28
JTR2:50 pmThera Santorini
36h 02m
2 stops
STL6:52 pmLambert-St Louis
$928

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Thera 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 February 4, 2026.
Use the filters below to find and compare flights from Illinois to Thera that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 4/26

11:25 am-11:50 pm

2 stops28h 25m

Thera Santorini

Fri 5/8

12:05 am-9:40 am

2 stops17h 35m

$801

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 4/26

3:45 pm-4:55 pm

1 stop17h 10m

Thera Santorini

Fri 5/8

12:05 am-9:15 pm

2 stops29h 10m

$879

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Mon 4/27

6:40 pm-6:20 pm

2 stops39h 40m

Thera Santorini

Wed 5/6

10:40 am-12:35 pm

1 stop33h 55m

$908

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Wed 7/22

7:15 am-4:15 pm

2 stops25h 00m

Thera Santorini

Tue 7/28

2:50 pm-7:30 pm

1 stop36h 40m

$924

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Tue 3/31

7:40 pm-4:15 pm

2 stops36h 35m

Thera Santorini

Thu 4/30

5:05 pm-6:15 pm

1 stop33h 10m

$924

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Tue 3/31

7:40 pm-4:15 pm

2 stops36h 35m

Thera Santorini

Thu 4/30

5:05 pm-7:59 am

2 stops46h 54m

$927

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Mon 2/16

9:50 pm-11:15 am

2 stops29h 25m

Thera Santorini

Mon 2/23

11:45 am-8:05 pm

2 stops16h 20m

$928

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sat 7/25

3:35 pm-4:55 pm

1 stop17h 20m

Thera Santorini

Sat 8/1

7:35 pm-12:35 pm

1 stop25h 00m

$949

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sat 7/4

1:13 pm-4:55 pm

2 stops19h 42m

Thera Santorini

Wed 7/15

7:10 pm-11:27 pm

2 stops36h 17m

$1,026

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sat 7/4

1:13 pm-4:55 pm

2 stops19h 42m

Thera Santorini

Wed 7/15

7:10 pm-9:11 pm

2 stops34h 01m

$1,081

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 Thera from

How to get the cheapest flight ticket from Illinois to Thera

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 airline that flies from Illinois to Thera Santorini?

Aer Lingus and Lufthansa are the most popular carriers operating from Illinois to Thera Santorini

Cheap Illinois to Thera flight deals and tips

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from Illinois to Thera takes 13h 05m
There are no direct flights from Illinois to Thera. There are no popular flight routes from Illinois to Thera.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Thera Santorini Airport?

    Prices for flights from Illinois to Thera Santorini Airport were last updated today.

  • How many operators does momondo search for flights from Illinois to Thera Santorini Airport?

  • How old do you have to be to fly from Illinois to Thera Santorini 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 Thera Santorini Airport.

  • What documentation or ID do you need to fly to Thera Santorini Airport?

    The travel and health documents you'll need for your trip to Thera Santorini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thera Santorini Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Thera

Compare and see reviews for airlines that fly from Illinois to Thera with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $602Free CancellationRating
6.7
7,715 reviews
Search British Airways flights
LufthansaPriceFrom $1,069Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Imerovigli
Kamari
Pyrgos Kallistis
Ios
Firostefani
Perissa
Megalochori
Karterados
Mylopotas

Why use momondo?

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

Finding the right flight to Thera 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 Thera quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Illinois to Thera flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thera from Illinois.

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

Yes. momondo can track prices for Illinois to Thera flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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