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Cheap flights from Illinois to Estonia from $344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Estonia departing on 8/25. 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
0 bags

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Find the cheapest flights from Illinois to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:25 am - 10:20 am
ORD
-
TLL
14h 55m
1 stop
Turkish Airlines Logo
7:35 pm - 9:40 am
TLL
-
ORD
22h 05m
1 stop
$540Turkish Airlines
Tue, Apr 28 - Tue, May 5
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
$555Turkish Airlines
Sat, Oct 3 - Wed, Oct 14
Turkish Airlines Logo
8:10 pm - 10:20 am
ORD
-
TLL
30h 10m
1 stop
Turkish Airlines Logo
7:35 pm - 9:40 am
TLL
-
ORD
22h 05m
1 stop
$560Turkish Airlines
Mon, Apr 27 - Tue, May 12
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
$564Turkish Airlines
Sat, Oct 3 - Wed, Oct 14
Scandinavian Airlines Logo
7:15 pm - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
6:25 am - 4:10 pm
TLL
-
ORD
17h 45m
2 stops
$648Scandinavian Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
3:30 pm - 1:10 pm
STL
-
TLL
13h 40m
1 stop
United Airlines Logo
6:10 am - 1:25 pm
TLL
-
STL
15h 15m
1 stop
$732United Airlines
Wed, Aug 12 - Tue, Aug 25
Lufthansa Logo
1:18 pm - 1:10 pm
STL
-
TLL
15h 52m
2 stops
Lufthansa Logo
6:10 am - 6:56 pm
TLL
-
STL
20h 46m
2 stops
$734Lufthansa
Wed, Aug 12 - Tue, Aug 25
United Airlines Logo
3:30 pm - 1:10 pm
STL
-
TLL
13h 40m
1 stop
United Airlines Logo
6:10 am - 6:42 pm
TLL
-
STL
44h 32m
2 stops
$735United Airlines
Wed, Aug 12 - Tue, Aug 25
Lufthansa Logo
3:30 pm - 1:10 pm
STL
-
TLL
13h 40m
1 stop
Lufthansa Logo
6:10 am - 6:56 pm
TLL
-
STL
20h 46m
2 stops
$782Lufthansa
Wed, Aug 12 - Tue, Aug 25
Finnair Logo
9:35 pm - 7:30 am
STL
-
TLL
25h 55m
2 stops
Finnair Logo
11:15 pm - 7:46 pm
TLL
-
STL
28h 31m
2 stops
$800Finnair
Wed, Aug 12 - Tue, Aug 25

Turkish Airlines flights from Illinois to Estonia

Our best Turkish Airlines deals on Illinois to Estonia flight tickets
Turkish Airlines
Apr 28
ORD11:25 amChicago O'Hare Intl
14h 55m
1 stop
TLL10:20 amTallinn
May 5
TLL7:35 pmTallinn
22h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$540
Turkish Airlines
Oct 3
ORD11:25 amChicago O'Hare Intl
23h 15m
1 stop
TLL6:40 pmTallinn
Oct 14
TLL11:15 amTallinn
30h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$555
Turkish Airlines
Apr 27
ORD8:10 pmChicago O'Hare Intl
30h 10m
1 stop
TLL10:20 amTallinn
May 12
TLL7:35 pmTallinn
22h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$560

Scandinavian Airlines flights from Illinois to Estonia

Our best Scandinavian Airlines deals on Illinois to Estonia flight tickets
Scandinavian Airlines
Aug 22
ORD7:15 pmChicago O'Hare Intl
12h 00m
1 stop
TLL3:15 pmTallinn
Aug 29
TLL6:25 amTallinn
17h 45m
2 stops
ORD4:10 pmChicago O'Hare Intl
$648
Scandinavian Airlines
Oct 3
ORD1:30 pmChicago O'Hare Intl
17h 45m
2 stops
TLL3:15 pmTallinn
Oct 14
TLL6:15 amTallinn
17h 55m
1 stop
ORD4:10 pmChicago O'Hare Intl
$665
Scandinavian Airlines
Apr 27
ORD7:15 pmChicago O'Hare Intl
31h 30m
1 stop
TLL10:45 amTallinn
May 12
TLL4:00 pmTallinn
32h 10m
2 stops
ORD4:10 pmChicago O'Hare Intl
$669

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 April 7, 2026.
Use the filters below to find and compare flights from Illinois 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 4/28

11:25 am-10:20 am

1 stop14h 55m

Tallinn

Tue 5/5

7:35 pm-9:40 am

1 stop22h 05m

$540

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/3

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Wed 10/14

11:15 am-9:40 am

1 stop30h 25m

$555

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 4/27

8:10 pm-10:20 am

1 stop30h 10m

Tallinn

Tue 5/12

7:35 pm-9:40 am

1 stop22h 05m

$560

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/3

8:10 pm-10:20 am

1 stop30h 10m

Tallinn

Wed 10/14

11:15 am-9:40 am

1 stop30h 25m

$564

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/22

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sat 8/29

6:25 am-4:10 pm

2 stops17h 45m

$648
Quickest round-trip

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 8/12

3:30 pm-1:10 pm

1 stop13h 40m

Tallinn

Tue 8/25

6:10 am-1:25 pm

1 stop15h 15m

$732

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 8/12

1:18 pm-1:10 pm

2 stops15h 52m

Tallinn

Tue 8/25

6:10 am-6:56 pm

2 stops20h 46m

$734

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 8/12

3:30 pm-1:10 pm

1 stop13h 40m

Tallinn

Tue 8/25

6:10 am-6:42 pm

2 stops44h 32m

$735

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 8/12

3:30 pm-1:10 pm

1 stop13h 40m

Tallinn

Tue 8/25

6:10 am-6:56 pm

2 stops20h 46m

$782

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 8/12

9:35 pm-7:30 am

2 stops25h 55m

Tallinn

Tue 8/25

11:15 pm-7:46 pm

2 stops28h 31m

$800

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 Illinois 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 Illinois is in February. Flight prices, which tend to average around $488, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in February, then March is your next best option. Flight prices from Illinois to Estonia during March average around $488.

Cheap Illinois to Estonia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Estonia

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from Illinois to Estonia takes 10h 15m
There are no direct flights from Illinois to Estonia. There are no popular flight routes from Illinois to Estonia.
Search flight deals

Frequently asked questions about flying from Illinois to Estonia

  • When did momondo last update prices for flights from Illinois to Estonia?

    Prices for flights from Illinois to Estonia were last updated today.

  • How many operators does momondo search for flights from Illinois to Estonia?

  • How old do you have to be to fly from Illinois to Estonia?

    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 Illinois to Estonia.

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

    The travel and health documents you'll need for your trip to Estonia 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 Estonia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Estonia

Compare and see reviews for airlines that fly from Illinois to Estonia with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $433Free CancellationRating
7.3
1,746 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,551 reviews
Search United Airlines flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,897 reviews
Search Lufthansa flights
FinnairPriceFrom $678Free CancellationRating
7.7
1,379 reviews
Search Finnair flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Estonia for you.

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

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

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

momondo helps you find the best flight between Illinois and Estonia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Illinois to Estonia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Estonia and let you know when they change.

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Find better results for your trip to Estonia

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