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Cheap flights from Chicago O'Hare Intl Airport to Thera from $444

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Thera departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Thera

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:25 am - 6:55 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
23h 30m2 stops Istanbul Athens Eleftherios V.
Multiple Airlines Logo
11:20 pm - 9:40 amJTR  Thera Santorini-ORD Chicago O'Hare Intl
18h 20m2 stops Athens Eleftherios V. Istanbul
$931Multiple Airlines
Sat, Sep 26 - Tue, Oct 6
Multiple Airlines Logo
12:56 pm - 8:50 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
23h 54m2 stops Washington, D.C. Dulles Intl Vienna Intl
Multiple Airlines Logo
2:20 pm - 12:55 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
30h 35m1 stop Frankfurt am Main
$939Multiple Airlines
Mon, Aug 31 - Mon, Sep 7
SWISS Logo
7:05 pm - 8:00 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
16h 55m1 stop Zurich
SWISS Logo
8:45 pm - 12:35 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
23h 50m1 stop Zurich
$947SWISS
Sun, Aug 16 - Mon, Aug 31
Multiple Airlines Logo
3:45 pm - 2:15 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
38h 30m2 stops Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V.
Multiple Airlines Logo
9:00 am - 7:58 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
18h 58m2 stops Athens Eleftherios V. Toronto Pearson Intl
$955Multiple Airlines
Sat, Nov 14 - Sat, Nov 21
Multiple Airlines Logo
10:37 am - 2:15 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
19h 38m2 stops Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V.
Multiple Airlines Logo
9:00 am - 7:58 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
18h 58m2 stops Athens Eleftherios V. Toronto Pearson Intl
$956Multiple Airlines
Wed, Nov 11 - Tue, Nov 17
Multiple Airlines Logo
1:55 pm - 2:15 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
16h 20m2 stops Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V.
Multiple Airlines Logo
12:45 pm - 1:10 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
32h 25m2 stops Athens Eleftherios V. Frankfurt am Main
$970Multiple Airlines
Sun, Nov 1 - Tue, Nov 10
Multiple Airlines Logo
3:00 pm - 11:25 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
24h 25m2 stops Rome Fiumicino Athens Eleftherios V.
Multiple Airlines Logo
7:55 pm - 1:10 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
25h 15m2 stops Athens Eleftherios V. Rome Fiumicino
$977Multiple Airlines
Sun, Aug 16 - Mon, Aug 31
SWISS Logo
2:20 pm - 9:50 amORD  Chicago O'Hare Intl-JTR Thera Santorini
35h 30m1 stop Zurich
SWISS Logo
8:45 pm - 12:35 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
23h 50m1 stop Zurich
$981SWISS
Mon, Aug 31 - Mon, Sep 7
Multiple Airlines Logo
12:56 pm - 8:50 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
23h 54m2 stops Washington, D.C. Dulles Intl Vienna Intl
Multiple Airlines Logo
8:45 pm - 6:18 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
29h 33m2 stops Zurich Toronto Pearson Intl
$981Multiple Airlines
Mon, Aug 31 - Mon, Sep 7
Air Canada Logo
8:45 am - 2:15 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
21h 30m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Athens Eleftherios V.
Air Canada Logo
8:10 am - 10:03 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
21h 53m2 stops Athens Eleftherios V. Toronto Pearson Intl
$984Air Canada
Sun, Nov 1 - Tue, Nov 10

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Air Canada flights from Chicago O'Hare Intl Airport to Thera

Our best Air Canada deals on Chicago O'Hare Intl Airport to Thera flight tickets
Air Canada
Nov 1
ORD8:45 amChicago O'Hare Intl
21h 30m
3 stops
JTR2:15 pmThera Santorini
Nov 10
JTR8:10 amThera Santorini
21h 53m
2 stops
ORD10:03 pmChicago O'Hare Intl
$984
Air Canada
Nov 8
ORD8:45 amChicago O'Hare Intl
21h 30m
3 stops
JTR2:15 pmThera Santorini
Nov 15
JTR8:10 amThera Santorini
19h 42m
2 stops
ORD7:52 pmChicago O'Hare Intl
$1,029
Air Canada
Nov 14
ORD9:21 pmChicago O'Hare Intl
32h 54m
3 stops
JTR2:15 pmThera Santorini
Nov 21
JTR8:10 amThera Santorini
21h 53m
2 stops
ORD10:03 pmChicago O'Hare Intl
$1,034

SWISS flights from Chicago O'Hare Intl Airport to Thera

Our best SWISS deals on Chicago O'Hare Intl Airport to Thera flight tickets
SWISS
Aug 16
ORD7:05 pmChicago O'Hare Intl
16h 55m
1 stop
JTR8:00 pmThera Santorini
Aug 31
JTR8:45 pmThera Santorini
23h 50m
1 stop
ORD12:35 pmChicago O'Hare Intl
$947
SWISS
Aug 31
ORD2:20 pmChicago O'Hare Intl
35h 30m
1 stop
JTR9:50 amThera Santorini
Sep 7
JTR8:45 pmThera Santorini
23h 50m
1 stop
ORD12:35 pmChicago O'Hare Intl
$981
SWISS
Sep 27
ORD2:20 pmChicago O'Hare Intl
21h 40m
1 stop
JTR8:00 pmThera Santorini
Oct 4
JTR8:55 pmThera Santorini
23h 40m
1 stop
ORD12:35 pmChicago O'Hare Intl
$1,075

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Thera 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, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Thera that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sat 9/26

11:25 am-6:55 pm

2 stops23h 30m

Thera Santorini

Tue 10/6

11:20 pm-9:40 am

2 stops18h 20m

$931

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Mon 8/31

12:56 pm-8:50 pm

2 stops23h 54m

Thera Santorini

Mon 9/7

2:20 pm-12:55 pm

1 stop30h 35m

$939

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sun 8/16

7:05 pm-8:00 pm

1 stop16h 55m

Thera Santorini

Mon 8/31

8:45 pm-12:35 pm

1 stop23h 50m

$947

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sat 11/14

3:45 pm-2:15 pm

2 stops38h 30m

Thera Santorini

Sat 11/21

9:00 am-7:58 pm

2 stops18h 58m

$955
Quickest round-trip

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Wed 11/11

10:37 am-2:15 pm

2 stops19h 38m

Thera Santorini

Tue 11/17

9:00 am-7:58 pm

2 stops18h 58m

$956

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sun 11/1

1:55 pm-2:15 pm

2 stops16h 20m

Thera Santorini

Tue 11/10

12:45 pm-1:10 pm

2 stops32h 25m

$970

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sun 8/16

3:00 pm-11:25 pm

2 stops24h 25m

Thera Santorini

Mon 8/31

7:55 pm-1:10 pm

2 stops25h 15m

$977

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Mon 8/31

2:20 pm-9:50 am

1 stop35h 30m

Thera Santorini

Mon 9/7

8:45 pm-12:35 pm

1 stop23h 50m

$981

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Mon 8/31

12:56 pm-8:50 pm

2 stops23h 54m

Thera Santorini

Mon 9/7

8:45 pm-6:18 pm

2 stops29h 33m

$981

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sun 11/1

8:45 am-2:15 pm

3 stops21h 30m

Thera Santorini

Tue 11/10

8:10 am-10:03 pm

2 stops21h 53m

$984

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Thera

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Can stopping save me money on Chicago O'Hare Intl Airport to Thera flights?

You could potentially save up to 69% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Thera flight.

When to book flights from Chicago O'Hare Intl Airport to Thera

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Thera according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Thera (ORD to JTR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Thera

Fastest flight time

14h 55m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Thera takes 14h 55m
There are no direct flights from Chicago O'Hare Intl Airport to Thera. There are no popular flight routes from Chicago O'Hare Intl Airport to Thera.
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Frequently asked questions about flying from Chicago O'Hare Intl Airport to Thera

  • How far is Chicago O'Hare Intl to Thera Santorini by plane?

    A flight from Chicago O'Hare Intl to Thera Santorini will travel around 5578.0 mi. Typically, this will take 14h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Thera Santorini Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Thera Santorini Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Thera Santorini Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Thera Santorini Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Thera Santorini Airport.

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

    The travel and health documents you'll need for your trip to Thera Santorini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thera Santorini Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Thera?

Best airlines flying from Chicago O'Hare Intl Airport to Thera

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Thera with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $333Free CancellationRating
7.5
2,025 reviews
Search SWISS flights

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Imerovigli
Firostefani
Ios
Kamari
Perissa
Megalochori
Mylopotas
Pyrgos Kallistis
Karterados

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?

momondo does allow users to show only those flights to Thera from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Chicago to Thera flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Chicago to Thera flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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