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Cheap flights from Illinois to Estonia from $270

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 5/19. 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.
Scandinavian Airlines Logo
7:20 pm - 11:35 pm
ORD
-
TLL
44h 15m2 stops
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m1 stop
$438Scandinavian Airlines
Fri, Feb 6 - Sat, Feb 14
Scandinavian Airlines Logo
7:20 pm - 1:25 am
ORD
-
TLL
22h 05m1 stop
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m1 stop
$439Scandinavian Airlines
Fri, Feb 6 - Sat, Feb 14
American Airlines Logo
2:29 pm - 3:45 pm
STL
-
TLL
17h 16m2 stops
American Airlines Logo
6:00 am - 10:14 pm
TLL
-
STL
24h 14m2 stops
$578American Airlines
Wed, Apr 29 - Sat, May 9
Multiple Airlines Logo
6:00 am - 3:45 pm
STL
-
TLL
25h 45m2 stops
Multiple Airlines Logo
10:35 pm - 10:58 pm
TLL
-
STL
32h 23m2 stops
$583Multiple Airlines
Wed, Apr 1 - Sun, Apr 5
United Airlines Logo
3:30 pm - 1:10 pm
STL
-
TLL
13h 40m1 stop
United Airlines Logo
6:10 am - 1:25 pm
TLL
-
STL
15h 15m1 stop
$589United Airlines
Wed, Apr 1 - Sun, Apr 5
United Airlines Logo
11:15 am - 1:10 pm
STL
-
TLL
17h 55m2 stops
United Airlines Logo
6:10 am - 1:25 pm
TLL
-
STL
15h 15m1 stop
$593United Airlines
Wed, Apr 1 - Sun, Apr 5
American Airlines Logo
12:27 pm - 3:45 pm
STL
-
TLL
19h 18m2 stops
American Airlines Logo
6:00 am - 11:04 pm
TLL
-
STL
25h 04m2 stops
$608American Airlines
Thu, Apr 9 - Tue, Apr 21
Multiple Airlines Logo
6:00 am - 4:15 pm
STL
-
TLL
26h 15m2 stops
Multiple Airlines Logo
10:35 pm - 7:29 pm
TLL
-
STL
28h 54m2 stops
$613Multiple Airlines
Wed, Apr 1 - Sun, Apr 5
Turkish Airlines Logo
8:20 pm - 1:00 am
ORD
-
TAY
44h 40m2 stops
Turkish Airlines Logo
6:00 am - 10:05 am
TAY
-
ORD
36h 05m2 stops
$894Turkish Airlines
Fri, Jan 23 - Tue, Jan 27
Turkish Airlines Logo
8:20 pm - 1:00 am
ORD
-
TAY
44h 40m2 stops
Turkish Airlines Logo
6:00 am - 10:05 am
TAY
-
ORD
36h 05m2 stops
$964Turkish Airlines
Fri, Jan 23 - Tue, Jan 27

Turkish Airlines flights from Illinois to Estonia

Our best Turkish Airlines deals on Illinois to Estonia flight tickets
Turkish Airlines
Apr 16
ORD11:25 amChicago O'Hare Intl
14h 55m
1 stop
TLL10:20 amTallinn
Apr 21
TLL7:35 pmTallinn
22h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$544
Find similar
Turkish Airlines
Jan 23
ORD8:20 pmChicago O'Hare Intl
44h 40m
2 stops
TAY1:00 amTartu
Jan 27
TAY6:00 amTartu
36h 05m
2 stops
ORD10:05 amChicago O'Hare Intl
$894
Find similar
Turkish Airlines
Jan 23
ORD8:20 pmChicago O'Hare Intl
44h 40m
2 stops
TAY1:00 amTartu
Jan 27
TAY6:00 amTartu
36h 05m
2 stops
ORD10:05 amChicago O'Hare Intl
$964
Find similar

United Airlines flights from Illinois to Estonia

Our best United Airlines deals on Illinois to Estonia flight tickets
United Airlines
May 2
ORD5:50 pmChicago O'Hare Intl
35h 15m
2 stops
TLL1:05 pmTallinn
May 9
TLL2:00 pmTallinn
41h 12m
2 stops
ORD11:12 pmChicago O'Hare Intl
$574
Find similar
United Airlines
Apr 1
STL3:30 pmLambert-St Louis
13h 40m
1 stop
TLL1:10 pmTallinn
Apr 5
TLL6:10 amTallinn
15h 15m
1 stop
STL1:25 pmLambert-St Louis
$589
Find similar
United Airlines
Apr 1
STL11:15 amLambert-St Louis
17h 55m
2 stops
TLL1:10 pmTallinn
Apr 5
TLL6:10 amTallinn
15h 15m
1 stop
STL1:25 pmLambert-St Louis
$593
Find similar

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 December 31, 2025.
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

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 2/6

7:20 pm-11:35 pm

2 stops44h 15m

Tallinn

Sat 2/14

6:25 am-4:45 pm

1 stop18h 20m

$438

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 2/6

7:20 pm-1:25 am

1 stop22h 05m

Tallinn

Sat 2/14

11:00 am-4:45 pm

1 stop13h 45m

$439

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 4/29

2:29 pm-3:45 pm

2 stops17h 16m

Tallinn

Sat 5/9

6:00 am-10:14 pm

2 stops24h 14m

$578

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 4/1

6:00 am-3:45 pm

2 stops25h 45m

Tallinn

Sun 4/5

10:35 pm-10:58 pm

2 stops32h 23m

$583

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 4/1

3:30 pm-1:10 pm

1 stop13h 40m

Tallinn

Sun 4/5

6:10 am-1:25 pm

1 stop15h 15m

$589

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 4/1

11:15 am-1:10 pm

2 stops17h 55m

Tallinn

Sun 4/5

6:10 am-1:25 pm

1 stop15h 15m

$593

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Thu 4/9

12:27 pm-3:45 pm

2 stops19h 18m

Tallinn

Tue 4/21

6:00 am-11:04 pm

2 stops25h 04m

$608

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 4/1

6:00 am-4:15 pm

2 stops26h 15m

Tallinn

Sun 4/5

10:35 pm-7:29 pm

2 stops28h 54m

$613

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Fri 1/23

8:20 pm-1:00 am

2 stops44h 40m

Tartu

Tue 1/27

6:00 am-10:05 am

2 stops36h 05m

$894

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Fri 1/23

8:20 pm-1:00 am

2 stops44h 40m

Tartu

Tue 1/27

6:00 am-10:05 am

2 stops36h 05m

$964

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 March. Flight prices, which tend to average around $501, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in March, then April is your next best option. Flight prices from Illinois to Estonia during April average around $518.

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 45m

Direct flights

None
The fastest flight from Illinois to Estonia takes 10h 45m
There are no direct flights from Illinois to Estonia. There are no popular flight routes from Illinois to Estonia.
Search flight deals

  • 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
7.4
1,633 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $528Free CancellationRating
7.4
9,124 reviews
Search United Airlines flights
LufthansaPriceFrom $539Free CancellationRating
6.8
7,663 reviews
Search Lufthansa flights
FinnairPriceFrom $624Free CancellationRating
7.6
1,343 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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