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Cheap flights from Illinois to Estonia from $337

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 9/1. 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
7:15 pm - 1:30 am
ORD
-
TLL
22h 15m
1 stop
Scandinavian Airlines Logo
6:15 am - 4:10 pm
TLL
-
ORD
17h 55m
1 stop
$562Scandinavian Airlines
Wed, Oct 7 - Wed, Oct 21
Scandinavian Airlines Logo
7:15 pm - 1:30 am
ORD
-
TLL
22h 15m
1 stop
Scandinavian Airlines Logo
6:15 am - 4:10 pm
TLL
-
ORD
17h 55m
1 stop
$573Scandinavian Airlines
Tue, Oct 6 - Tue, Oct 20
Scandinavian Airlines Logo
7:15 pm - 1:30 am
ORD
-
TLL
22h 15m
1 stop
Scandinavian Airlines Logo
6:15 am - 4:10 pm
TLL
-
ORD
17h 55m
1 stop
$589Scandinavian Airlines
Thu, Oct 8 - Wed, Oct 21
Multiple Airlines Logo
10:25 pm - 7:50 am
ORD
-
TLL
25h 25m
2 stops
Multiple Airlines Logo
6:00 am - 5:50 pm
TLL
-
ORD
19h 50m
1 stop
$639Multiple Airlines
Fri, Sep 18 - Sun, Sep 27
Multiple Airlines Logo
7:25 pm - 5:20 pm
ORD
-
TLL
13h 55m
2 stops
Multiple Airlines Logo
7:55 am - 5:50 pm
TLL
-
ORD
17h 55m
1 stop
$640Multiple Airlines
Mon, Oct 5 - Tue, Oct 20
Air Canada Logo
4:15 pm - 8:05 pm
STL
-
TLL
19h 50m
2 stops
Air Canada Logo
7:00 am - 3:30 pm
TLL
-
STL
40h 30m
2 stops
$739Air Canada
Mon, Nov 9 - Thu, Nov 12
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
$778Lufthansa
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 - 1:25 pm
TLL
-
STL
15h 15m
1 stop
$781Lufthansa
Wed, Aug 12 - Tue, Aug 25
Air Canada Logo
12:10 pm - 7:55 pm
STL
-
TLL
23h 45m
2 stops
Air Canada Logo
7:30 am - 6:42 pm
TLL
-
STL
19h 12m
2 stops
$783Air Canada
Wed, Aug 12 - Tue, Aug 25
KLM Logo
1:22 pm - 1:15 pm
STL
-
TLL
15h 53m
2 stops
KLM Logo
7:30 am - 8:37 pm
TLL
-
STL
21h 07m
2 stops
$1,096KLM
Fri, Jul 10 - Sat, Aug 1

Lufthansa flights from Illinois to Estonia

Our best Lufthansa deals on Illinois to Estonia flight tickets
Lufthansa
Aug 15
ORD9:16 pmChicago O'Hare Intl
31h 49m
2 stops
TLL1:05 pmTallinn
Aug 31
TLL1:50 pmTallinn
31h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$764
Lufthansa
Aug 12
STL3:30 pmLambert-St Louis
13h 40m
1 stop
TLL1:10 pmTallinn
Aug 25
TLL6:10 amTallinn
15h 15m
1 stop
STL1:25 pmLambert-St Louis
$778
Lufthansa
Aug 12
STL3:30 pmLambert-St Louis
13h 40m
1 stop
TLL1:10 pmTallinn
Aug 25
TLL6:10 amTallinn
15h 15m
1 stop
STL1:25 pmLambert-St Louis
$781

Finnair flights from Illinois to Estonia

Our best Finnair deals on Illinois to Estonia flight tickets
Finnair
Oct 7
ORD10:35 pmChicago O'Hare Intl
16h 15m
2 stops
TLL10:50 pmTallinn
Oct 21
TLL6:00 amTallinn
21h 49m
2 stops
ORD7:49 pmChicago O'Hare Intl
$641
Finnair
Sep 18
ORD9:30 pmChicago O'Hare Intl
10h 15m
1 stop
TLL3:45 pmTallinn
Sep 27
TLL8:10 amTallinn
17h 40m
1 stop
ORD5:50 pmChicago O'Hare Intl
$649
Finnair
Oct 5
ORD9:30 pmChicago O'Hare Intl
15h 25m
1 stop
TLL8:55 pmTallinn
Oct 20
TLL7:55 amTallinn
17h 55m
1 stop
ORD5:50 pmChicago O'Hare Intl
$728

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 May 24, 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

Wed 10/7

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Wed 10/21

6:15 am-4:10 pm

1 stop17h 55m

$562

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 10/6

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Tue 10/20

6:15 am-4:10 pm

1 stop17h 55m

$573

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 10/8

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Wed 10/21

6:15 am-4:10 pm

1 stop17h 55m

$589

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 9/18

10:25 pm-7:50 am

2 stops25h 25m

Tallinn

Sun 9/27

6:00 am-5:50 pm

1 stop19h 50m

$639

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 10/5

7:25 pm-5:20 pm

2 stops13h 55m

Tallinn

Tue 10/20

7:55 am-5:50 pm

1 stop17h 55m

$640

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Mon 11/9

4:15 pm-8:05 pm

2 stops19h 50m

Tallinn

Thu 11/12

7:00 am-3:30 pm

2 stops40h 30m

$739
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

$778

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

$781

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 8/12

12:10 pm-7:55 pm

2 stops23h 45m

Tallinn

Tue 8/25

7:30 am-6:42 pm

2 stops19h 12m

$783

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Fri 7/10

1:22 pm-1:15 pm

2 stops15h 53m

Tallinn

Sat 8/1

7:30 am-8:37 pm

2 stops21h 07m

$1,096

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 $389, 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 November is your next best option. Flight prices from Illinois to Estonia during November average around $424.

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
7.4
1,788 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,750 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,023 reviews
Search Lufthansa flights
FinnairPriceFrom $817Free CancellationRating
7.7
1,399 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

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