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Santorini

$423+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JTR
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:20 pmORD - JTR
2 stops19h 05mMultiple Airlines
Fri 12/128:10 amJTR - ORD
2 stops40h 35mMultiple Airlines
Deal found 11/2$680
This United deal was found by Cheapflights users on 11/3. 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.
Fri 12/54:20 pmORD - JTR
2 stops17h 40mMultiple Airlines
Sun 12/76:30 pmJTR - ORD
2 stops26h 40mMultiple Airlines
Deal found 11/3$867
This Mytrip deal was found by Cheapflights users on 11/2. 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 12/247:20 pmORD - JTR
2 stops19h 05mMultiple Airlines
Tue 12/302:45 pmJTR - ORD
3 stops34h 00mMultiple Airlines
Deal found 11/2$1,042
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Tue 12/1612:50 pmORD - JTR
3 stops35h 45mMultiple Airlines
Tue 12/2311:55 amJTR - ORD
3 stops33h 15mMultiple Airlines
Deal found 11/1$1,151
This KAYAK deal was found by Cheapflights users on 11/2. 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.
Wed 12/174:20 pmORD - JTR
2 stops17h 40mMultiple Airlines
Tue 12/236:30 pmJTR - ORD
2 stops31h 55mMultiple Airlines
Deal found 11/2$1,363
This Mytrip deal was found by Cheapflights users on 11/3. 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 12/184:05 pmSTL - JTR
3 stops22h 20mMultiple Airlines
Thu 12/252:45 pmJTR - STL
2 stops31h 10mMultiple Airlines
Deal found 11/3$3,851

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 November 3, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$577
(British Airways)

One-way from

$423
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-Thera Santorini flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Thera Santorini flights.
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From Illinois to Thera Santorini
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One-way flight from Illinois to Thera Santorini
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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 November 3, 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

Wed 4/29

4:55 pm-4:05 pm

1 stop15h 10m

Thera Santorini

Thu 5/7

5:05 pm-1:50 pm

1 stop28h 45m

$577

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Tue 4/28

9:15 pm-4:05 pm

1 stop34h 50m

Thera Santorini

Thu 5/7

5:05 pm-3:55 pm

1 stop30h 50m

$577

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Tue 4/28

9:15 pm-4:05 pm

1 stop34h 50m

Thera Santorini

Mon 5/11

2:50 pm-3:55 pm

1 stop33h 05m

$577

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Wed 4/29

4:55 pm-4:05 pm

1 stop15h 10m

Thera Santorini

Mon 5/11

2:50 pm-1:50 pm

1 stop31h 00m

$577

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Thu 4/30

9:40 pm-6:30 pm

1 stop12h 50m

Thera Santorini

Thu 5/7

5:40 pm-7:55 pm

1 stop34h 15m

$625

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Tue 4/28

9:15 pm-4:05 pm

1 stop34h 50m

Thera Santorini

Sat 5/9

5:00 pm-3:55 pm

1 stop30h 55m

$637

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Fri 5/1

5:00 pm-2:55 pm

1 stop13h 55m

Thera Santorini

Mon 5/11

2:50 pm-1:50 pm

1 stop31h 00m

$637

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Thu 4/23

7:05 pm-2:55 pm

1 stop35h 50m

Thera Santorini

Mon 4/27

2:50 pm-1:50 pm

1 stop31h 00m

$637

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Wed 4/29

4:55 pm-4:05 pm

1 stop15h 10m

Thera Santorini

Sat 5/9

5:00 pm-1:50 pm

1 stop28h 50m

$637

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Wed 4/29

4:55 pm-4:05 pm

1 stop15h 10m

Thera Santorini

Fri 5/8

3:05 pm-1:50 pm

1 stop30h 45m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 17 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 November 3, 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.

  • 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?

    British Airways, Lufthansa, and American Airlines can get you from Illinois to Thera in just under 12h 50m. Your travel time can differ by up to 6h 17m. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$602Average$1,024FlexibilityNo cancel feeOn-time70%

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