$667+ Cheap flights from Illinois to Thera (JTR)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JTR
Jan 17 — Jan 241
1 adult, Economy
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Cheapest flights from Illinois to SantoriniExplore the most affordable flight options available from Illinois to Santorini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from Illinois to Santorini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This Gurufare deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:50 pmORD - JTR
2 stops19h 35mMultiple Airlines
Tue 1/66:30 pmJTR - ORD
2 stops53h 50mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$1,137
This FlightHub deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:25 pmORD - JTR
2 stops15h 35mMultiple Airlines
Mon 12/226:30 pmJTR - ORD
2 stops31h 55mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$1,426
This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:10 pmORD - JTR
2 stops17h 50mMultiple Airlines
Tue 12/2311:55 amJTR - ORD
2 stops38h 30mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$1,602
This FlightHub deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/174:10 pmORD - JTR
2 stops17h 50mMultiple Airlines
Mon 12/226:30 pmJTR - ORD
2 stops31h 55mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$1,812
Find flight deals from Illinois to Santorini
Keep the following information in mind while searching for Illinois to Santorini flight deals. Data was last updated December 18, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $749 (Ovago) |
One-way from | $667 (Ovago) |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Santorini 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Illinois to Thera that are best for you.
Fly from
Illinois
Fly to
Santorini
Route
Depart
Return
Price
ChicagoThera
ORD - JTR
ORDJTR
Chicago O'Hare Intl
Tue 2/3
9:50 pm-11:15 am
2 stops29h 25m
Thera Santorini
Tue 2/17
8:10 am-6:25 pm
2 stops18h 15m
$749
ChicagoThera
ORD - JTR
ORDJTR
Chicago O'Hare Intl
Sat 1/31
7:20 pm-9:10 pm
2 stops17h 50m
Thera Santorini
Sat 2/7
5:05 pm-4:55 pm
2 stops31h 50m
$757
ChicagoThera
ORD - JTR
ORDJTR
Chicago O'Hare Intl
Mon 3/16
10:50 pm-11:55 am
2 stops30h 05m
Thera Santorini
Sat 3/21
2:45 pm-3:00 pm
2 stops55h 15m
$895
ChicagoThera
ORD - JTR
ORDJTR
Chicago O'Hare Intl
Sat 2/21
9:50 pm-7:40 am
2 stops25h 50m
Thera Santorini
Sat 2/28
6:30 pm-8:05 pm
2 stops33h 35m
$929
ChicagoThera
ORD - JTR
ORDJTR
Chicago O'Hare Intl
Thu 1/29
4:05 pm-10:25 pm
2 stops22h 20m
Thera Santorini
Thu 2/5
6:00 am-6:25 pm
2 stops20h 25m
$936
St. LouisThera
STL - JTR
STLJTR
Lambert-St Louis
Fri 4/3
6:00 am-2:55 pm
2 stops24h 55m
Thera Santorini
Sat 4/11
3:50 pm-8:42 am
2 stops24h 52m
$995
ChicagoThera
ORD - JTR
ORDJTR
Chicago O'Hare Intl
Wed 12/31
6:50 pm-10:25 pm
2 stops19h 35m
Thera Santorini
Tue 1/6
6:30 pm-4:20 pm
2 stops53h 50m
$1,137
St. LouisThera
STL - JTR
STLJTR
Lambert-St Louis
Sat 5/9
1:00 pm-4:50 pm
2 stops19h 50m
Thera Santorini
Sat 5/16
5:40 pm-1:25 pm
1 stop27h 45m
$1,169
St. LouisThera
STL - JTR
STLJTR
Lambert-St Louis
Fri 1/30
4:05 pm-10:25 pm
3 stops22h 20m
Thera Santorini
Fri 2/6
11:55 am-3:29 pm
3 stops35h 34m
$1,408
ChicagoThera
ORD - JTR
ORDJTR
Chicago O'Hare Intl
Thu 1/1
6:50 pm-7:40 am
2 stops28h 50m
Thera Santorini
Mon 1/5
2:45 pm-2:00 pm
2 stops55h 15m
$1,563
Showing 1-10 of 13 results
Best time to book a flight from Illinois to Santorini
Have a flexible travel schedule? Discover the best time to fly to Santorini from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Thera
What is the cheapest time of day to fly from IL to JTR?
Find hourly flight availability from Illinois to Santorini. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
It’s optimal to fly from Illinois to Thera at noon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Santorini. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Thera?
Book flights to Thera if you plan to visit one of these locationsOia
Kamari
Imerovigli
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Alternative routes for Illinois to Santorini
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Illinois to Santorini
Discover the top airline that operate flights from Illinois to Santorini. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$602 | Average$1,024 | FlexibilityNo cancel fee | On-time70% |