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Cheap flights from Chicago O'Hare Intl Airport to Estonia from $237

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 2/7. 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.
Scandinavian Airlines Logo
7:10 pm - 3:10 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
4:10 pm - 4:45 pm
TLL
-
ORD
32h 35m
2 stops
$438Scandinavian Airlines
Sun, Feb 22 - Sun, Mar 1
Scandinavian Airlines Logo
7:10 pm - 7:30 pm
ORD
-
TLL
16h 20m
2 stops
Scandinavian Airlines Logo
4:10 pm - 4:45 pm
TLL
-
ORD
32h 35m
2 stops
$439Scandinavian Airlines
Sun, Feb 22 - Sun, Mar 1
Scandinavian Airlines Logo
8:20 pm - 1:25 am
ORD
-
TLL
22h 05m
1 stop
Scandinavian Airlines Logo
6:15 am - 4:20 pm
TLL
-
ORD
18h 05m
1 stop
$459Scandinavian Airlines
Sun, Mar 22 - Wed, Apr 1
LOT Logo
10:55 pm - 1:45 am
ORD
-
TLL
19h 50m
1 stop
LOT Logo
2:05 pm - 9:00 pm
TLL
-
ORD
13h 55m
1 stop
$460LOT
Tue, Mar 10 - Tue, Mar 17
LOT Logo
9:55 pm - 1:25 pm
ORD
-
TLL
31h 30m
1 stop
LOT Logo
2:05 pm - 8:00 pm
TLL
-
ORD
13h 55m
1 stop
$462LOT
Tue, Feb 24 - Tue, Mar 3
LOT Logo
10:55 pm - 5:50 pm
ORD
-
TLL
11h 55m
1 stop
LOT Logo
6:30 pm - 9:00 pm
TLL
-
ORD
33h 30m
1 stop
$464LOT
Tue, Mar 10 - Tue, Mar 17
Air Canada Logo
2:00 pm - 8:05 pm
ORD
-
TLL
23h 05m
2 stops
Air Canada Logo
7:25 am - 5:48 pm
TLL
-
ORD
17h 23m
2 stops
$470Air Canada
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
5:20 pm - 1:10 pm
ORD
-
TLL
12h 50m
1 stop
Multiple Airlines Logo
7:25 am - 7:45 pm
TLL
-
ORD
19h 20m
2 stops
$478Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
7:15 am - 12:50 pm
ORD
-
TLL
22h 35m
2 stops
Multiple Airlines Logo
1:55 pm - 7:55 pm
TLL
-
ORD
14h 00m
1 stop
$482Multiple Airlines
Sun, Mar 22 - Thu, Apr 2
Turkish Airlines Logo
8:20 pm - 2:15 pm
ORD
-
TAY
33h 55m
2 stops
Turkish Airlines Logo
2:40 pm - 10:05 am
TAY
-
ORD
51h 25m
2 stops
$1,080Turkish Airlines
Fri, Feb 6 - Tue, Feb 10

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
Feb 22
ORD7:10 pmChicago O'Hare Intl
12h 00m
1 stop
TLL3:10 pmTallinn
Mar 1
TLL4:10 pmTallinn
32h 35m
2 stops
ORD4:45 pmChicago O'Hare Intl
$438
Scandinavian Airlines
Feb 22
ORD7:10 pmChicago O'Hare Intl
16h 20m
2 stops
TLL7:30 pmTallinn
Mar 1
TLL4:10 pmTallinn
32h 35m
2 stops
ORD4:45 pmChicago O'Hare Intl
$439
Scandinavian Airlines
Mar 22
ORD8:20 pmChicago O'Hare Intl
22h 05m
1 stop
TLL1:25 amTallinn
Apr 1
TLL6:15 amTallinn
18h 05m
1 stop
ORD4:20 pmChicago O'Hare Intl
$459

LOT flights from Chicago O'Hare Intl Airport to Estonia

Our best LOT deals on Chicago O'Hare Intl Airport to Estonia flight tickets
LOT
Mar 10
ORD10:55 pmChicago O'Hare Intl
19h 50m
1 stop
TLL1:45 amTallinn
Mar 17
TLL2:05 pmTallinn
13h 55m
1 stop
ORD9:00 pmChicago O'Hare Intl
$460
LOT
Feb 24
ORD9:55 pmChicago O'Hare Intl
31h 30m
1 stop
TLL1:25 pmTallinn
Mar 3
TLL2:05 pmTallinn
13h 55m
1 stop
ORD8:00 pmChicago O'Hare Intl
$462
LOT
Mar 10
ORD10:55 pmChicago O'Hare Intl
11h 55m
1 stop
TLL5:50 pmTallinn
Mar 17
TLL6:30 pmTallinn
33h 30m
1 stop
ORD9:00 pmChicago O'Hare Intl
$464

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 January 26, 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

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 2/22

7:10 pm-3:10 pm

1 stop12h 00m

Tallinn

Sun 3/1

4:10 pm-4:45 pm

2 stops32h 35m

$438

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 2/22

7:10 pm-7:30 pm

2 stops16h 20m

Tallinn

Sun 3/1

4:10 pm-4:45 pm

2 stops32h 35m

$439

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/22

8:20 pm-1:25 am

1 stop22h 05m

Tallinn

Wed 4/1

6:15 am-4:20 pm

1 stop18h 05m

$459

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/10

10:55 pm-1:45 am

1 stop19h 50m

Tallinn

Tue 3/17

2:05 pm-9:00 pm

1 stop13h 55m

$460

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 2/24

9:55 pm-1:25 pm

1 stop31h 30m

Tallinn

Tue 3/3

2:05 pm-8:00 pm

1 stop13h 55m

$462

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/10

10:55 pm-5:50 pm

1 stop11h 55m

Tallinn

Tue 3/17

6:30 pm-9:00 pm

1 stop33h 30m

$464

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/10

2:00 pm-8:05 pm

2 stops23h 05m

Tallinn

Tue 3/17

7:25 am-5:48 pm

2 stops17h 23m

$470

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/10

5:20 pm-1:10 pm

1 stop12h 50m

Tallinn

Tue 3/17

7:25 am-7:45 pm

2 stops19h 20m

$478

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/22

7:15 am-12:50 pm

2 stops22h 35m

Tallinn

Thu 4/2

1:55 pm-7:55 pm

1 stop14h 00m

$482

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Fri 2/6

8:20 pm-2:15 pm

2 stops33h 55m

Tartu

Tue 2/10

2:40 pm-10:05 am

2 stops51h 25m

$1,080

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 January. Flight prices, which tend to average around $440, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in January, then March is your next best option. Flight prices from Chicago O'Hare Intl Airport to Estonia during March average around $498.

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

13h 05m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Estonia takes 13h 05m
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

  • 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
7.3
1,669 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,200 reviews
Search United Airlines flights
LufthansaPriceFrom $539Free CancellationRating
6.8
7,747 reviews
Search Lufthansa flights
FinnairPriceFrom $678Free CancellationRating
7.6
1,356 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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