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

British Airways, Aer Lingus, and SWISS are the most popular carriers 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 September 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.

$258 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

8:25 pm - 7:15 pmORD-JTR

38h 50m2 stops

8:45 pm - 3:55 pmJTR-ORD

27h 10m1 stop

$535Multiple Airlines

Find Deal

Sun, Oct 5 - Mon, Oct 20

9:15 pm - 1:50 pmORD-JTR

32h 35m1 stop

5:25 pm - 1:50 pmJTR-ORD

28h 25m1 stop

$544British Airways

Find Deal

Sun, Oct 5 - Mon, Oct 20

4:20 pm - 8:50 pmORD-JTR

20h 30m1 stop

8:45 pm - 3:55 pmJTR-ORD

27h 10m1 stop

$548Multiple Airlines

Find Deal

Mon, Oct 6 - Mon, Oct 13

7:05 pm - 8:00 pmORD-JTR

16h 55m1 stop

9:40 pm - 10:07 pmJTR-ORD

32h 27m2 stops

$559Multiple Airlines

Find Deal

Sun, Sep 28 - Tue, Oct 7

8:40 am - 7:15 pmORD-JTR

26h 35m2 stops

8:45 pm - 3:55 pmJTR-ORD

27h 10m1 stop

$574Multiple Airlines

Find Deal

Mon, Oct 6 - Mon, Oct 13

1:43 pm - 1:50 pmORD-JTR

16h 07m2 stops

5:25 pm - 4:13 pmJTR-ORD

30h 48m2 stops

$632British Airways

Find Deal

Mon, Oct 6 - Mon, Oct 13

7:05 pm - 8:00 pmORD-JTR

16h 55m1 stop

8:05 pm - 12:30 pmJTR-ORD

24h 25m1 stop

$639Multiple Airlines

Find Deal

Sun, Sep 28 - Tue, Oct 7

10:41 am - 2:00 pmORD-JTR

19h 19m2 stops

2:45 pm - 8:55 amJTR-ORD

26h 10m2 stops

$674American Airlines

Find Deal

Sun, Sep 28 - Tue, Oct 7

9:25 pm - 9:50 amORD-JTR

52h 25m2 stops

8:45 pm - 5:20 pmJTR-ORD

28h 35m2 stops

$802SWISS

Find Deal

Sun, Oct 5 - Mon, Oct 20

9:15 pm - 2:15 pmORD-JTR

33h 00m3 stops

8:20 am - 7:30 pmJTR-ORD

18h 10m2 stops

$976Air Canada

Find Deal

Sat, Mar 7 - Thu, Mar 12

British Airways flights from Chicago to Thera

Our best British Airways deals on Chicago to Thera flight tickets

British Airways

Oct 5

ORD9:15 pmChicago O'Hare Intl

32h 35m

1 stop

JTR1:50 pmThera Santorini

Oct 20

JTR5:25 pmThera Santorini

28h 25m

1 stop

ORD1:50 pmChicago O'Hare Intl

$544

Find similar

British Airways

Oct 6

ORD1:43 pmChicago O'Hare Intl

16h 07m

2 stops

JTR1:50 pmThera Santorini

Oct 13

JTR5:25 pmThera Santorini

30h 48m

2 stops

ORD4:13 pmChicago O'Hare Intl

$632

Find similar

Lufthansa flights from Chicago to Thera

Our best Lufthansa deals on Chicago to Thera flight tickets

Lufthansa

Sep 19

ORD6:35 pmChicago O'Hare Intl

14h 15m

1 stop

JTR4:50 pmThera Santorini

Sep 23

JTR5:40 pmThera Santorini

25h 20m

1 stop

ORD11:00 amChicago O'Hare Intl

$2,044

Find similar

Lufthansa

Sep 19

ORD6:35 pmChicago O'Hare Intl

14h 15m

1 stop

JTR4:50 pmThera Santorini

Sep 23

JTR8:05 pmThera Santorini

24h 50m

2 stops

ORD12:55 pmChicago O'Hare Intl

$2,056

Find similar

Lufthansa

Sep 19

ORD3:05 pmChicago O'Hare Intl

17h 45m

1 stop

JTR4:50 pmThera Santorini

Sep 23

JTR5:40 pmThera Santorini

27h 15m

1 stop

ORD12:55 pmChicago O'Hare Intl

$2,207

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 10/5

8:25 pm-7:15 pm

2 stops38h 50m

Thera Santorini

Mon 10/20

8:45 pm-3:55 pm

1 stop27h 10m

$535

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 10/5

9:15 pm-1:50 pm

1 stop32h 35m

Thera Santorini

Mon 10/20

5:25 pm-1:50 pm

1 stop28h 25m

$544

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Mon 10/6

4:20 pm-8:50 pm

1 stop20h 30m

Thera Santorini

Mon 10/13

8:45 pm-3:55 pm

1 stop27h 10m

$548

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 9/28

7:05 pm-8:00 pm

1 stop16h 55m

Thera Santorini

Tue 10/7

9:40 pm-10:07 pm

2 stops32h 27m

$559

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Mon 10/6

8:40 am-7:15 pm

2 stops26h 35m

Thera Santorini

Mon 10/13

8:45 pm-3:55 pm

1 stop27h 10m

$574

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Mon 10/6

1:43 pm-1:50 pm

2 stops16h 07m

Thera Santorini

Mon 10/13

5:25 pm-4:13 pm

2 stops30h 48m

$632

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 9/28

7:05 pm-8:00 pm

1 stop16h 55m

Thera Santorini

Tue 10/7

8:05 pm-12:30 pm

1 stop24h 25m

$639

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 9/28

10:41 am-2:00 pm

2 stops19h 19m

Thera Santorini

Tue 10/7

2:45 pm-8:55 am

2 stops26h 10m

$674

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 10/5

9:25 pm-9:50 am

2 stops52h 25m

Thera Santorini

Mon 10/20

8:45 pm-5:20 pm

2 stops28h 35m

$802

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sat 3/7

9:15 pm-2:15 pm

3 stops33h 00m

Thera Santorini

Thu 3/12

8:20 am-7:30 pm

2 stops18h 10m

$976

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Direct flights	None

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 16h 07m 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 September 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 $658	Free Cancellation	Rating 6.7 7,363 reviews		Search British Airways flights

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 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.