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Cheap flights from Chicago O'Hare Intl Airport to Estonia from $354

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 Estonia departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 10:20 am
ORD
-
TLL
30h 10m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$604Turkish Airlines
Tue, Sep 8 - Thu, Sep 24
Turkish Airlines Logo
11:25 am - 6:40 pm
ORD
-
TLL
23h 15m
1 stop
Turkish Airlines Logo
7:35 pm - 9:40 am
TLL
-
ORD
22h 05m
1 stop
$705Turkish Airlines
Mon, Sep 7 - Thu, Sep 24
Scandinavian Airlines Logo
10:30 am - 10:45 am
ORD
-
TLL
16h 15m
2 stops
Scandinavian Airlines Logo
7:00 am - 4:10 pm
TLL
-
ORD
17h 10m
2 stops
$712Scandinavian Airlines
Tue, Sep 8 - Thu, Sep 24
Turkish Airlines Logo
11:25 am - 6:40 pm
ORD
-
TLL
23h 15m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$729Turkish Airlines
Mon, Sep 7 - Fri, Sep 25
Air Canada Logo
2:01 pm - 7:55 pm
ORD
-
TLL
21h 54m
2 stops
Air Canada Logo
7:30 am - 8:12 pm
TLL
-
ORD
20h 42m
2 stops
$737Air Canada
Sun, Sep 6 - Wed, Sep 23
United Airlines Logo
4:05 pm - 1:05 pm
ORD
-
TLL
13h 00m
1 stop
United Airlines Logo
6:10 am - 12:55 pm
TLL
-
ORD
14h 45m
1 stop
$741United Airlines
Sun, Sep 6 - Tue, Sep 22
Turkish Airlines Logo
11:25 am - 10:20 am
ORD
-
TLL
14h 55m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$745Turkish Airlines
Sat, Sep 5 - Wed, Sep 23
Multiple Airlines Logo
7:05 pm - 11:10 pm
ORD
-
TLL
20h 05m
2 stops
Multiple Airlines Logo
10:10 am - 5:50 pm
TLL
-
ORD
15h 40m
1 stop
$746Multiple Airlines
Tue, Sep 8 - Sun, Sep 27
United Airlines Logo
2:15 pm - 1:05 pm
ORD
-
TLL
38h 50m
2 stops
United Airlines Logo
6:10 am - 9:58 pm
TLL
-
ORD
23h 48m
2 stops
$760United Airlines
Sat, Aug 1 - Fri, Aug 14
Finnair Logo
9:45 pm - 1:10 am
ORD
-
TAY
19h 25m
2 stops
Finnair Logo
6:00 am - 1:50 pm
TAY
-
ORD
39h 50m
2 stops
$1,106Finnair
Sun, Nov 1 - Thu, Nov 5

Turkish Airlines flights from Chicago O'Hare Intl Airport to Estonia

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Estonia flight tickets
Turkish Airlines
Sep 8
ORD8:10 pmChicago O'Hare Intl
30h 10m
1 stop
TLL10:20 amTallinn
Sep 24
TLL11:15 amTallinn
30h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$604
Turkish Airlines
Sep 7
ORD11:25 amChicago O'Hare Intl
23h 15m
1 stop
TLL6:40 pmTallinn
Sep 24
TLL7:35 pmTallinn
22h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$705
Turkish Airlines
Sep 7
ORD11:25 amChicago O'Hare Intl
23h 15m
1 stop
TLL6:40 pmTallinn
Sep 25
TLL11:15 amTallinn
30h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$729

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Estonia

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Estonia flight tickets
Scandinavian Airlines
Sep 8
ORD10:30 amChicago O'Hare Intl
16h 15m
2 stops
TLL10:45 amTallinn
Sep 24
TLL7:00 amTallinn
17h 10m
2 stops
ORD4:10 pmChicago O'Hare Intl
$712
Scandinavian Airlines
Aug 15
ORD10:30 amChicago O'Hare Intl
16h 20m
2 stops
TLL10:50 amTallinn
Aug 31
TLL7:00 amTallinn
17h 10m
2 stops
ORD4:10 pmChicago O'Hare Intl
$782
Scandinavian Airlines
Sep 10
ORD7:00 amChicago O'Hare Intl
19h 45m
2 stops
TLL10:45 amTallinn
Sep 24
TLL11:20 amTallinn
12h 50m
1 stop
ORD4:10 pmChicago O'Hare Intl
$801

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Estonia 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 May 5, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Estonia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/8

8:10 pm-10:20 am

1 stop30h 10m

Tallinn

Thu 9/24

11:15 am-9:40 am

1 stop30h 25m

$604

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 9/7

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Thu 9/24

7:35 pm-9:40 am

1 stop22h 05m

$705

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/8

10:30 am-10:45 am

2 stops16h 15m

Tallinn

Thu 9/24

7:00 am-4:10 pm

2 stops17h 10m

$712

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 9/7

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Fri 9/25

11:15 am-9:40 am

1 stop30h 25m

$729

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 9/6

2:01 pm-7:55 pm

2 stops21h 54m

Tallinn

Wed 9/23

7:30 am-8:12 pm

2 stops20h 42m

$737
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 9/6

4:05 pm-1:05 pm

1 stop13h 00m

Tallinn

Tue 9/22

6:10 am-12:55 pm

1 stop14h 45m

$741

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 9/5

11:25 am-10:20 am

1 stop14h 55m

Tallinn

Wed 9/23

11:15 am-9:40 am

1 stop30h 25m

$745

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/8

7:05 pm-11:10 pm

2 stops20h 05m

Tallinn

Sun 9/27

10:10 am-5:50 pm

1 stop15h 40m

$746

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/1

2:15 pm-1:05 pm

2 stops38h 50m

Tallinn

Fri 8/14

6:10 am-9:58 pm

2 stops23h 48m

$760

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 11/1

9:45 pm-1:10 am

2 stops19h 25m

Tartu

Thu 11/5

6:00 am-1:50 pm

2 stops39h 50m

$1,106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Estonia from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Estonia

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

What is the cheapest month to fly to Estonia?

The cheapest month to fly to Estonia from Chicago O'Hare Intl Airport is in November. Flight prices, which tend to average around $424, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in November, then October is your next best option. Flight prices from Chicago O'Hare Intl Airport to Estonia during October average around $433.

Cheap Chicago O'Hare Intl Airport to Estonia flight deals and tips

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

Fastest flight time

11h 50m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Estonia takes 11h 50m
There are no direct flights from Chicago O'Hare Intl Airport to Estonia. There are no popular flight routes from Chicago O'Hare Intl Airport to Estonia.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Estonia

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

    Prices for flights from Chicago O'Hare Intl Airport to Estonia were last updated today.

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

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

    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 O'Hare Intl Airport to Estonia.

  • What documentation or ID do you need to fly to Estonia?

    The required travel and health documents for your Estonia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Estonia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Estonia with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $433Free CancellationRating
7.4
1,769 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
7,974 reviews
Search Lufthansa flights
FinnairPriceFrom $719Free CancellationRating
7.6
1,392 reviews
Search Finnair flights

Why use momondo?

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

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 Estonia from Chicago.

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

Yes. momondo allows you to filter the results for Chicago to Estonia flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Estonia from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago to Estonia 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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