What is the cheapest airline that flies from Chicago to Thera Santorini?

Aer Lingus is the most popular carrier operating from Chicago to Thera Santorini

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

Prices for flights from Chicago to Thera Santorini Airport are updated daily.

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

As of December 2025, there is 1 operator available to choose from for flights from Chicago to Thera Santorini Airport.

How old do you have to be to fly from Chicago to Thera Santorini Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Thera Santorini Airport.

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

The necessary travel and health documents for your Thera Santorini Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$622 Cheap Flights from Chicago to Thera in 2025/26

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Find the cheapest flights from Chicago to Thera

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 pm - 11:15 am

ORD

JTR

29h 25m2 stops

8:10 am - 6:25 pm

JTR

ORD

18h 15m2 stops

$749Multiple Airlines

Tue, Feb 3 - Tue, Feb 17

7:20 pm - 9:10 pm

ORD

JTR

17h 50m2 stops

5:05 pm - 4:55 pm

JTR

ORD

31h 50m2 stops

$757Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

10:50 pm - 11:55 am

ORD

JTR

30h 05m2 stops

2:45 pm - 3:00 pm

JTR

ORD

55h 15m2 stops

$895Multiple Airlines

Mon, Mar 16 - Sat, Mar 21

9:50 pm - 7:40 am

ORD

JTR

25h 50m2 stops

6:30 pm - 8:05 pm

JTR

ORD

33h 35m2 stops

$929Multiple Airlines

Sat, Feb 21 - Sat, Feb 28

6:30 pm - 7:40 am

ORD

JTR

29h 10m3 stops

2:45 pm - 5:20 pm

JTR

ORD

34h 35m3 stops

$932Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

4:05 pm - 10:25 pm

ORD

JTR

22h 20m2 stops

6:00 am - 6:25 pm

JTR

ORD

20h 25m2 stops

$936Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

6:30 pm - 11:15 am

ORD

JTR

32h 45m3 stops

6:00 am - 5:20 pm

JTR

ORD

19h 20m3 stops

$976Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

3:35 pm - 4:50 pm

ORD

JTR

17h 15m1 stop

7:35 pm - 2:50 pm

JTR

ORD

27h 15m2 stops

$982Lufthansa

Sat, May 2 - Sat, May 9

2:50 pm - 2:00 pm

ORD

JTR

39h 10m2 stops

5:00 pm - 7:30 am

JTR

ORD

46h 30m2 stops

$992British Airways

Sat, May 2 - Sat, May 9

9:55 am - 8:10 pm

ORD

JTR

26h 15m2 stops

8:55 pm - 3:55 pm

JTR

ORD

27h 00m1 stop

$994Multiple Airlines

Sat, May 16 - Sun, May 24

Lufthansa flights from Chicago to Thera

Our best Lufthansa deals on Chicago to Thera flight tickets

Lufthansa

May 2

ORD3:35 pmChicago O'Hare Intl

17h 15m

1 stop

JTR4:50 pmThera Santorini

May 9

JTR7:35 pmThera Santorini

27h 15m

2 stops

ORD2:50 pmChicago O'Hare Intl

$982

Find similar

Lufthansa

May 2

ORD3:35 pmChicago O'Hare Intl

17h 15m

1 stop

JTR4:50 pmThera Santorini

May 9

JTR7:35 pmThera Santorini

26h 25m

1 stop

ORD2:00 pmChicago O'Hare Intl

$1,017

Find similar

Lufthansa

Jun 7

ORD9:15 pmChicago O'Hare Intl

35h 35m

2 stops

JTR4:50 pmThera Santorini

Jun 14

JTR5:40 pmThera Santorini

32h 35m

1 stop

ORD6:15 pmChicago O'Hare Intl

$1,481

Find similar

British Airways flights from Chicago to Thera

Our best British Airways deals on Chicago to Thera flight tickets

British Airways

May 2

ORD2:50 pmChicago O'Hare Intl

39h 10m

2 stops

JTR2:00 pmThera Santorini

May 9

JTR5:00 pmThera Santorini

46h 30m

2 stops

ORD7:30 amChicago O'Hare Intl

$992

Find similar

British Airways

May 16

ORD2:50 pmChicago O'Hare Intl

39h 10m

2 stops

JTR2:00 pmThera Santorini

May 24

JTR5:10 pmThera Santorini

56h 45m

2 stops

ORD5:55 pmChicago O'Hare Intl

$999

Find similar

Fly from

Fly to

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

Sat 1/31

6:30 pm-7:40 am

3 stops29h 10m

Thera Santorini

Sat 2/7

2:45 pm-5:20 pm

3 stops34h 35m

$932

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

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Thu 1/29

6:30 pm-11:15 am

3 stops32h 45m

Thera Santorini

Thu 2/5

6:00 am-5:20 pm

3 stops19h 20m

$976

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sat 5/2

3:35 pm-4:50 pm

1 stop17h 15m

Thera Santorini

Sat 5/9

7:35 pm-2:50 pm

2 stops27h 15m

$982

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sat 5/2

2:50 pm-2:00 pm

2 stops39h 10m

Thera Santorini

Sat 5/9

5:00 pm-7:30 am

2 stops46h 30m

$992

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sat 5/16

9:55 am-8:10 pm

2 stops26h 15m

Thera Santorini

Sun 5/24

8:55 pm-3:55 pm

1 stop27h 00m

$994

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago 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

Prices

Airlines

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

On average, the least expensive day to fly to Thera from Chicago 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 Chicago 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.

When to book flights from Chicago to Thera

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Thera according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Thera (CHI to JTR) flight deals and tips

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

Fastest flight time	15h 25m
Direct flights	None

The fastest flight from Chicago to Thera takes 15h 25m

There are no direct flights from Chicago to Thera. There are no popular flight routes from Chicago to Thera.

Search flight deals

How far is Chicago to Thera Santorini by plane?
There are 5572.1 mi between Chicago and Thera Santorini. Typically, this will take 15h 25m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Thera Santorini Airport?
Prices for flights from Chicago to Thera Santorini Airport are updated daily.
How many operators does momondo search for flights from Chicago to Thera Santorini Airport?
As of December 2025, there is 1 operator available to choose from for flights from Chicago to Thera Santorini Airport.
How old do you have to be to fly from Chicago to Thera Santorini Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Thera Santorini Airport.
What documentation or ID do you need to fly to Thera Santorini Airport?
The necessary travel and health documents for your Thera Santorini Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago to Thera?
momondo data reveals that the most frequently booked airline on the route from Chicago to Thera is British Airways, representing 100% of all bookings.

Best airlines flying from Chicago to Thera

Compare and see reviews for airlines that fly from Chicago to Thera with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $602	Free Cancellation	Rating 6.7 7,585 reviews		Search British Airways flights

Oia

Imerovigli

Kamari

Ios

Pyrgos Kallistis

Firostefani

Perissa

Megalochori

Karterados

Mylopotas

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Thera from Chicago.

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

All flight searches from Chicago to Thera on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Chicago to Thera flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Chicago to Thera now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Thera and let you know when they change.