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Cheap flights from Chicago to Thera from $329

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 to Thera departing on 8/16. 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

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Find the cheapest flights from Chicago 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
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
Lufthansa Logo
3:35 pm - 6:35 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
19h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:45 pm - 7:55 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
34h 10m1 stop Frankfurt am Main
$979Lufthansa
Thu, Oct 15 - Thu, Oct 22
Air Canada Logo
10:15 am - 2:15 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
20h 00m3 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
Wed, Nov 11 - Tue, Nov 17
Lufthansa Logo
3:35 pm - 6:35 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
19h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:45 pm - 7:55 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
34h 10m1 stop Frankfurt am Main
$989Lufthansa
Thu, Oct 15 - Thu, Oct 22
Lufthansa Logo
3:35 pm - 6:35 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
19h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:45 pm - 12:35 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
26h 50m2 stops Frankfurt am Main Munich Franz Josef Strauss
$1,004Lufthansa
Thu, Oct 15 - Thu, Oct 22
Lufthansa Logo
3:35 pm - 6:35 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
19h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:45 pm - 12:35 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
26h 50m2 stops Frankfurt am Main Munich Franz Josef Strauss
$1,005Lufthansa
Thu, Oct 15 - Thu, Oct 22
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
6:30 pm - 1:10 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
26h 40m2 stops Athens Eleftherios V. Frankfurt am Main
$1,020Multiple Airlines
Sat, Nov 14 - Sat, Nov 21
SWISS Logo
2:20 pm - 8:00 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
21h 40m1 stop Zurich
SWISS Logo
8:55 pm - 12:35 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
23h 40m1 stop Zurich
$1,053SWISS
Sun, Sep 27 - Sun, Oct 4
SWISS Logo
2:20 pm - 8:00 pmORD  Chicago O'Hare Intl-JTR Thera Santorini
21h 40m1 stop Zurich
SWISS Logo
8:55 pm - 12:35 pmJTR  Thera Santorini-ORD Chicago O'Hare Intl
23h 40m1 stop Zurich
$1,075SWISS
Sun, Sep 27 - Sun, Oct 4

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Air Canada flights from Chicago to Thera

Our best Air Canada deals on Chicago to Thera flight tickets
Air Canada
Nov 11
ORD10:15 amChicago O'Hare Intl
20h 00m
3 stops
JTR2:15 pmThera Santorini
Nov 17
JTR8:10 amThera Santorini
21h 53m
2 stops
ORD10:03 pmChicago O'Hare Intl
$984
Air Canada
Nov 8
ORD7:05 amChicago O'Hare Intl
23h 10m
2 stops
JTR2:15 pmThera Santorini
Nov 15
JTR8:10 amThera Santorini
19h 42m
2 stops
ORD7:52 pmChicago O'Hare Intl
$1,021
Air Canada
Nov 8
ORD11:05 amChicago O'Hare Intl
19h 10m
3 stops
JTR2:15 pmThera Santorini
Nov 15
JTR8:10 amThera Santorini
19h 42m
2 stops
ORD7:52 pmChicago O'Hare Intl
$1,029

Lufthansa flights from Chicago to Thera

Our best Lufthansa deals on Chicago to Thera flight tickets
Lufthansa
Oct 15
ORD3:35 pmChicago O'Hare Intl
19h 00m
1 stop
JTR6:35 pmThera Santorini
Oct 22
JTR5:45 pmThera Santorini
34h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$979
Lufthansa
Oct 15
ORD3:35 pmChicago O'Hare Intl
19h 00m
1 stop
JTR6:35 pmThera Santorini
Oct 22
JTR5:45 pmThera Santorini
34h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$989
Lufthansa
Oct 15
ORD3:35 pmChicago O'Hare Intl
19h 00m
1 stop
JTR6:35 pmThera Santorini
Oct 22
JTR5:45 pmThera Santorini
26h 50m
2 stops
ORD12:35 pmChicago O'Hare Intl
$1,004

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 9, 2026.
Use the filters below to find and compare flights from Chicago 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
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

Thu 10/15

3:35 pm-6:35 pm

1 stop19h 00m

Thera Santorini

Thu 10/22

5:45 pm-7:55 pm

1 stop34h 10m

$979

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Wed 11/11

10:15 am-2:15 pm

3 stops20h 00m

Thera Santorini

Tue 11/17

8:10 am-10:03 pm

2 stops21h 53m

$984

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Thu 10/15

3:35 pm-6:35 pm

1 stop19h 00m

Thera Santorini

Thu 10/22

5:45 pm-7:55 pm

1 stop34h 10m

$989

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Thu 10/15

3:35 pm-6:35 pm

1 stop19h 00m

Thera Santorini

Thu 10/22

5:45 pm-12:35 pm

2 stops26h 50m

$1,004

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Thu 10/15

3:35 pm-6:35 pm

1 stop19h 00m

Thera Santorini

Thu 10/22

5:45 pm-12:35 pm

2 stops26h 50m

$1,005

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

6:30 pm-1:10 pm

2 stops26h 40m

$1,020

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sun 9/27

2:20 pm-8:00 pm

1 stop21h 40m

Thera Santorini

Sun 10/4

8:55 pm-12:35 pm

1 stop23h 40m

$1,053

ChicagoThera

ORD Chicago O'Hare Intl - JTR Thera Santorini

ORDJTR

Chicago O'Hare Intl

Sun 9/27

2:20 pm-8:00 pm

1 stop21h 40m

Thera Santorini

Sun 10/4

8:55 pm-12:35 pm

1 stop23h 40m

$1,075

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 to Thera

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Can stopping save me money on Chicago to Thera flights?

You could potentially save up to 69% on your flight if you consider stops on a Chicago to Thera flight.

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

13h 25m

Direct flights

None
The fastest flight from Chicago to Thera takes 13h 25m
There are no direct flights from Chicago to Thera. There are no popular flight routes from Chicago to Thera.
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Frequently asked questions about flying from Chicago to Thera

  • How far is Chicago to Thera Santorini by plane?

    There are 5572.1 mi between Chicago and Thera Santorini. Typically, this will take 13h 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?

  • 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?

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
SWISSPriceFrom $333Free CancellationRating
7.5
2,033 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?

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.

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