Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Estonia from $240

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 8/19. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:20 pm - 1:25 am
ORD
-
TLL
22h 05m
1 stop
Scandinavian Airlines Logo
7:00 am - 5:55 pm
TLL
-
ORD
17h 55m
2 stops
$443Scandinavian Airlines
Mon, Mar 9 - Fri, Mar 13
Scandinavian Airlines Logo
8:20 pm - 11:40 pm
ORD
-
TLL
20h 20m
2 stops
Scandinavian Airlines Logo
7:00 am - 5:55 pm
TLL
-
ORD
17h 55m
2 stops
$444Scandinavian Airlines
Mon, Mar 9 - Fri, Mar 13
LOT Logo
5:10 pm - 1:40 am
ORD
-
TLL
24h 30m
1 stop
LOT Logo
5:45 am - 7:50 pm
TLL
-
ORD
22h 05m
1 stop
$500LOT
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
7:15 am - 12:50 pm
ORD
-
TLL
22h 35m
2 stops
Multiple Airlines Logo
5:05 am - 12:35 pm
TLL
-
ORD
15h 30m
1 stop
$505Multiple Airlines
Tue, Mar 24 - Thu, Apr 2
LOT Logo
5:10 pm - 1:40 pm
ORD
-
TLL
12h 30m
1 stop
LOT Logo
5:45 am - 7:50 pm
TLL
-
ORD
22h 05m
1 stop
$509LOT
Sun, Apr 26 - Sun, May 3
Lufthansa Logo
11:35 pm - 11:55 pm
ORD
-
TLL
17h 20m
1 stop
Lufthansa Logo
1:50 pm - 12:55 pm
TLL
-
ORD
31h 05m
1 stop
$510Lufthansa
Mon, Mar 23 - Mon, Apr 6
Lufthansa Logo
3:30 pm - 1:10 pm
STL
-
TLL
13h 40m
1 stop
Lufthansa Logo
6:10 am - 1:25 pm
TLL
-
STL
15h 15m
1 stop
$512Lufthansa
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 - 6:27 pm
TLL
-
STL
44h 17m
2 stops
$518United Airlines
Wed, Aug 12 - Tue, Aug 25
United Airlines Logo
6:40 am - 5:15 pm
STL
-
TLL
26h 35m
2 stops
United Airlines Logo
6:10 am - 1:25 pm
TLL
-
STL
15h 15m
1 stop
$519United Airlines
Wed, Aug 12 - Tue, Aug 25
Multiple Airlines Logo
12:27 pm - 3:45 pm
STL
-
TLL
19h 18m
2 stops
Multiple Airlines Logo
10:55 am - 10:59 pm
TLL
-
STL
20h 04m
2 stops
$580Multiple Airlines
Tue, Apr 7 - Tue, Apr 14

LOT flights from Illinois to Estonia

Our best LOT deals on Illinois to Estonia flight tickets
LOT
Apr 26
ORD5:10 pmChicago O'Hare Intl
16h 35m
1 stop
TLL5:45 pmTallinn
May 3
TLL5:45 amTallinn
22h 05m
1 stop
ORD7:50 pmChicago O'Hare Intl
$500
LOT
Apr 26
ORD9:50 pmChicago O'Hare Intl
31h 50m
1 stop
TLL1:40 pmTallinn
May 3
TLL6:25 pmTallinn
33h 25m
2 stops
ORD7:50 pmChicago O'Hare Intl
$536
LOT
Apr 26
ORD9:50 pmChicago O'Hare Intl
19h 50m
1 stop
TLL1:40 amTallinn
May 3
TLL6:25 pmTallinn
33h 25m
2 stops
ORD7:50 pmChicago O'Hare Intl
$543

United Airlines flights from Illinois to Estonia

Our best United Airlines deals on Illinois to Estonia flight tickets
United Airlines
Mar 23
ORD7:30 pmChicago O'Hare Intl
21h 25m
1 stop
TLL11:55 pmTallinn
Mar 31
TLL1:50 pmTallinn
14h 05m
1 stop
ORD7:55 pmChicago O'Hare Intl
$511
United Airlines
Aug 12
STL3:30 pmLambert-St Louis
13h 40m
1 stop
TLL1:10 pmTallinn
Aug 25
TLL1:50 pmTallinn
36h 37m
2 stops
STL6:27 pmLambert-St Louis
$517
United Airlines
Aug 12
STL3:30 pmLambert-St Louis
13h 40m
1 stop
TLL1:10 pmTallinn
Aug 25
TLL6:10 amTallinn
44h 17m
2 stops
STL6:27 pmLambert-St Louis
$518

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 February 21, 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

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/9

8:20 pm-1:25 am

1 stop22h 05m

Tallinn

Fri 3/13

7:00 am-5:55 pm

2 stops17h 55m

$443

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/9

8:20 pm-11:40 pm

2 stops20h 20m

Tallinn

Fri 3/13

7:00 am-5:55 pm

2 stops17h 55m

$444

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 4/26

5:10 pm-1:40 am

1 stop24h 30m

Tallinn

Sun 5/3

5:45 am-7:50 pm

1 stop22h 05m

$500

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/24

7:15 am-12:50 pm

2 stops22h 35m

Tallinn

Thu 4/2

5:05 am-12:35 pm

1 stop15h 30m

$505

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 4/26

5:10 pm-1:40 pm

1 stop12h 30m

Tallinn

Sun 5/3

5:45 am-7:50 pm

1 stop22h 05m

$509

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/23

11:35 pm-11:55 pm

1 stop17h 20m

Tallinn

Mon 4/6

1:50 pm-12:55 pm

1 stop31h 05m

$510

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

$512

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-6:27 pm

2 stops44h 17m

$518

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 8/12

6:40 am-5:15 pm

2 stops26h 35m

Tallinn

Tue 8/25

6:10 am-1:25 pm

1 stop15h 15m

$519

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Tue 4/7

12:27 pm-3:45 pm

2 stops19h 18m

Tallinn

Tue 4/14

10:55 am-10:59 pm

2 stops20h 04m

$580

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October. Flight prices, which tend to average around $498, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in October, then March is your next best option. Flight prices from Illinois to Estonia during March average around $500.

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

12h 00m

Direct flights

None
The fastest flight from Illinois to Estonia takes 12h 00m
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
7.3
1,692 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,341 reviews
Search United Airlines flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,798 reviews
Search Lufthansa flights
FinnairPriceFrom $548Free CancellationRating
7.6
1,365 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.

An easier way to manage your Estonia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/23
Mon 3/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Estonia

Popular cities in Estonia

Popular flights according to clicks in the last 7 days on momondo
Flights to Tallinnfrom $380
Flights to Tartufrom $633
Flights to Kuressaare