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Santorini

$258+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JTR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to Santorini

Keep the following information in mind while searching for Illinois to Santorini flight deals. Data was last updated September 17, 2025.

Round-trip from

$576
(Kiwi.com)

One-way from

$258
(Kiwi.com)
From Illinois to Thera Santorini
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One-way flight from Illinois to Thera Santorini
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Find flight deals from Illinois to Santorini

Cheapest flights from Illinois to Santorini
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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:05 pmORD - JTR
1 stop16h 55mSWISS
Mon 10/68:45 pmJTR - ORD
1 stop27h 10mSWISS
Deal found 9/17$576
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:05 pmORD - JTR
1 stop30h 45mSWISS
Mon 10/68:45 pmJTR - ORD
1 stop27h 10mSWISS
Deal found 9/17$625
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:50 pmORD - JTR
2 stops16h 25mMultiple Airlines
Thu 11/66:05 amJTR - ORD
2 stops20h 20mMultiple Airlines
Deal found 9/15$666
This SWISS deal was found by Cheapflights users on 9/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:05 pmORD - JTR
1 stop15h 05mSWISS
Mon 10/68:45 pmJTR - ORD
1 stop27h 10mSWISS
Deal found 9/17$681
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:20 pmORD - JTR
2 stops18h 55mMultiple Airlines
Wed 11/192:45 pmJTR - ORD
2 stops34h 00mMultiple Airlines
Deal found 9/15$717
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/285:55 pmORD - JTR
2 stops42h 55mMultiple Airlines
Mon 10/68:45 pmJTR - ORD
1 stop27h 10mMultiple Airlines
Deal found 9/17$773
This Ovago deal was found by Cheapflights users on 9/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:05 pmORD - JTR
1 stop15h 05mMultiple Airlines
Tue 10/78:05 pmJTR - ORD
1 stop24h 25mMultiple Airlines
Deal found 9/17$788
This United deal was found by Cheapflights users on 9/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:28 pmSTL - JTR
2 stops17h 47mMultiple Airlines
Sun 10/265:40 pmJTR - STL
2 stops53h 07mMultiple Airlines
Deal found 9/16$798
This FlightHub deal was found by Cheapflights users on 9/17. 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 10/18:25 pmORD - JTR
2 stops37h 45mMultiple Airlines
Tue 10/78:05 pmJTR - ORD
1 stop24h 25mMultiple Airlines
Deal found 9/17$801
This United deal was found by Cheapflights users on 9/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:50 pmSTL - JTR
2 stops22h 25mMultiple Airlines
Wed 11/266:30 pmJTR - STL
2 stops51h 25mMultiple Airlines
Deal found 9/15$880
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/174:45 pmSTL - JTR
2 stops39h 25mAmerican Airlines
Thu 10/235:05 pmJTR - STL
2 stops37h 29mAmerican Airlines
Deal found 9/16$892
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:00 amSTL - JTR
2 stops24h 00mAmerican Airlines
Sat 10/255:00 pmJTR - STL
2 stops38h 56mAmerican Airlines
Deal found 9/16$903

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 September 17, 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

Thu 10/30

10:50 pm-10:15 pm

2 stops16h 25m

Thera Santorini

Thu 11/6

6:05 am-6:25 pm

2 stops20h 20m

$666

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Thu 10/2

7:05 pm-6:10 pm

1 stop15h 05m

Thera Santorini

Mon 10/6

8:45 pm-3:55 pm

1 stop27h 10m

$681

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Wed 11/12

7:20 pm-10:15 pm

2 stops18h 55m

Thera Santorini

Wed 11/19

2:45 pm-4:45 pm

2 stops34h 00m

$717

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Mon 10/20

5:28 pm-7:15 pm

2 stops17h 47m

Thera Santorini

Sun 10/26

5:40 pm-3:47 pm

2 stops53h 07m

$798

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Mon 9/29

3:35 pm-7:15 pm

1 stop19h 40m

Thera Santorini

Tue 10/7

8:05 pm-12:30 pm

1 stop24h 25m

$817

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 9/28

8:30 pm-1:50 pm

2 stops33h 20m

Thera Santorini

Thu 10/9

5:05 pm-9:07 pm

2 stops36h 02m

$880

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Wed 11/19

3:50 pm-10:15 pm

2 stops22h 25m

Thera Santorini

Wed 11/26

6:30 pm-1:55 pm

2 stops51h 25m

$880

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Wed 10/1

3:00 pm-4:50 pm

2 stops17h 50m

Thera Santorini

Mon 10/6

8:45 pm-3:55 pm

1 stop27h 10m

$890

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sat 10/4

7:05 pm-8:10 pm

1 stop17h 05m

Thera Santorini

Sat 10/11

9:40 pm-1:20 pm

1 stop23h 40m

$897

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 10/19

6:00 am-2:00 pm

2 stops24h 00m

Thera Santorini

Sat 10/25

5:00 pm-11:56 pm

2 stops38h 56m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 31 results
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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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Thera as you normally would.

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.

  • What airport do you fly into for flights to Thera from Illinois?

    For a flight from Illinois to Thera, you will be flying into Santorini. Thera Santorini (JTR) is just 2.9 mi from the center of the city.

  • How long is the flight from Illinois to Thera?

    SWISS, Lufthansa, and American Airlines can get you from Illinois to Thera in just under 15h 05m. Your travel time can differ by up to 8h 55m. There are 5581 mi between Illinois and Thera. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Illinois to Santorini that include hotel bookings?

    Yes. In addition to deals on Illinois to Santorini flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Santorini?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Santorini.

  • Can I find deals for business class flights from Illinois to Santorini?

    Yes. Cheapflights offers flight deals from Illinois to Santorini by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
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.
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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$658Average$1,024FlexibilityNo cancel feeOn-time70%

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