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Cheap flights from Illinois to Thera from $519

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 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
6:50 pm - 10:25 pmORD-JTR
19h 35m2 stops
Multiple Airlines Logo
11:55 am - 6:25 pmJTR-ORD
38h 30m2 stops
$696Multiple Airlines
Find Deal
sáb, jan 31 - qua, fev 4
Multiple Airlines Logo
11:35 pm - 7:35 amORD-JTR
25h 00m2 stops
Multiple Airlines Logo
2:45 pm - 12:10 pmJTR-ORD
28h 25m2 stops
$846Multiple Airlines
Find Deal
dom, mar 15 - sáb, mar 21
Multiple Airlines Logo
9:50 pm - 7:40 amORD-JTR
25h 50m2 stops
Multiple Airlines Logo
9:50 pm - 6:25 pmJTR-ORD
28h 35m2 stops
$852Multiple Airlines
Find Deal
dom, jan 4 - dom, jan 11
Multiple Airlines Logo
7:25 pm - 8:20 pmORD-JTR
16h 55m2 stops
Multiple Airlines Logo
5:00 pm - 1:50 pmJTR-ORD
28h 50m1 stop
$881Multiple Airlines
Find Deal
qua, abr 29 - sáb, mai 9
Lufthansa Logo
4:05 pm - 4:50 pmORD-JTR
16h 45m1 stop
Lufthansa Logo
5:40 pm - 12:55 pmJTR-ORD
27h 15m1 stop
$892Lufthansa
Find Deal
qua, abr 29 - sáb, mai 9
Multiple Airlines Logo
9:50 pm - 10:25 pmORD-JTR
16h 35m2 stops
Multiple Airlines Logo
8:10 am - 8:05 pmJTR-ORD
19h 55m2 stops
$913Multiple Airlines
Find Deal
sex, dez 5 - sex, dez 12
Multiple Airlines Logo
3:45 pm - 8:20 pmORD-JTR
20h 35m2 stops
Multiple Airlines Logo
12:05 am - 9:00 pmJTR-ORD
28h 55m2 stops
$960Multiple Airlines
Find Deal
qua, abr 29 - sex, mai 8
British Airways Logo
6:35 pm - 2:00 pmORD-JTR
35h 25m2 stops
British Airways Logo
5:00 pm - 7:30 amJTR-ORD
46h 30m2 stops
$998British Airways
Find Deal
sáb, mai 2 - sáb, mai 9
British Airways Logo
2:50 pm - 2:00 pmORD-JTR
39h 10m2 stops
British Airways Logo
3:50 pm - 1:50 pmJTR-ORD
30h 00m1 stop
$1,000British Airways
Find Deal
sáb, mai 2 - sáb, mai 9
British Airways Logo
6:05 am - 2:55 pmSTL-JTR
24h 50m2 stops
British Airways Logo
3:50 pm - 11:24 pmJTR-STL
39h 34m2 stops
$1,181British Airways
Find Deal
sex, abr 3 - sáb, abr 11

British Airways flights from Illinois to Thera

Our best British Airways deals on Illinois to Thera flight tickets
British Airways
Apr 3
STL6:05 amLambert-St Louis
24h 50m
2 stops
JTR2:55 pmThera Santorini
Apr 11
JTR3:50 pmThera Santorini
39h 34m
2 stops
STL11:24 pmLambert-St Louis
$1,181
Find similar
British Airways
Apr 3
STL6:05 amLambert-St Louis
24h 50m
2 stops
JTR2:55 pmThera Santorini
Apr 11
JTR3:50 pmThera Santorini
24h 52m
2 stops
STL8:42 amLambert-St Louis
$1,190
Find similar
British Airways
Apr 3
STL2:48 pmLambert-St Louis
16h 07m
2 stops
JTR2:55 pmThera Santorini
Apr 11
JTR3:50 pmThera Santorini
37h 58m
2 stops
STL9:48 pmLambert-St Louis
$1,264
Find similar

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 novembro 20, 2025.
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

sáb 1/31

6:50 pm-10:25 pm

2 stops19h 35m

Thera Santorini

qua 2/4

11:55 am-6:25 pm

2 stops38h 30m

$696

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

dom 3/15

11:35 pm-7:35 am

2 stops25h 00m

Thera Santorini

sáb 3/21

2:45 pm-12:10 pm

2 stops28h 25m

$846

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

dom 1/4

9:50 pm-7:40 am

2 stops25h 50m

Thera Santorini

dom 1/11

9:50 pm-6:25 pm

2 stops28h 35m

$852

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

qua 4/29

7:25 pm-8:20 pm

2 stops16h 55m

Thera Santorini

sáb 5/9

5:00 pm-1:50 pm

1 stop28h 50m

$881

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

qua 4/29

4:05 pm-4:50 pm

1 stop16h 45m

Thera Santorini

sáb 5/9

5:40 pm-12:55 pm

1 stop27h 15m

$892

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

sex 12/5

9:50 pm-10:25 pm

2 stops16h 35m

Thera Santorini

sex 12/12

8:10 am-8:05 pm

2 stops19h 55m

$913

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

qua 4/29

3:45 pm-8:20 pm

2 stops20h 35m

Thera Santorini

sex 5/8

12:05 am-9:00 pm

2 stops28h 55m

$960

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

sáb 5/2

6:35 pm-2:00 pm

2 stops35h 25m

Thera Santorini

sáb 5/9

5:00 pm-7:30 am

2 stops46h 30m

$998

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

sáb 5/2

2:50 pm-2:00 pm

2 stops39h 10m

Thera Santorini

sáb 5/9

3:50 pm-1:50 pm

1 stop30h 00m

$1,000

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

sex 4/3

6:05 am-2:55 pm

2 stops24h 50m

Thera Santorini

sáb 4/11

3:50 pm-11:24 pm

2 stops39h 34m

$1,181

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 day to depart on your flight to Thera?

On average, the least expensive day to fly to Thera from Illinois is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $812. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,441. These prices are subject to change though, so be sure to set up a Price Alert for flights to Thera.

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

According to our data, the cheapest time of day to fly to Thera is at noon. momondo users have found flights departing from Illinois to Thera at noon for as low as $679. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $915.

Cheap Illinois to Thera flight deals and tips

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

Direct flights

None
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
7,533 reviews
Search British Airways 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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