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Cheap flights from Chicago to Estonia from $413

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 to Estonia departing on 7/16. 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 Chicago 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
Scandinavian Airlines Logo
7:15 pm - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
6:15 am - 4:10 pm
TLL
-
ORD
17h 55m
1 stop
$612Scandinavian Airlines
Sat, Oct 10 - Sun, Oct 18
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
$619Scandinavian Airlines
Tue, Oct 6 - Thu, Oct 22
Scandinavian Airlines Logo
7:15 pm - 10:45 am
ORD
-
TLL
31h 30m
1 stop
Scandinavian Airlines Logo
8:20 pm - 4:10 pm
TLL
-
ORD
27h 50m
2 stops
$620Scandinavian Airlines
Wed, Oct 7 - Wed, Oct 21
Scandinavian Airlines Logo
7:15 pm - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
6:15 am - 4:10 pm
TLL
-
ORD
17h 55m
1 stop
$628Scandinavian Airlines
Sat, Oct 10 - Fri, Oct 23
Scandinavian Airlines Logo
7:15 pm - 1:25 am
ORD
-
TLL
22h 10m
1 stop
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$633Scandinavian Airlines
Sun, Nov 22 - Fri, Nov 27
Multiple Airlines Logo
2:52 pm - 2:35 pm
ORD
-
TAY
39h 43m
2 stops
Multiple Airlines Logo
3:00 pm - 3:00 pm
TAY
-
ORD
32h 00m
2 stops
$1,551Multiple Airlines
Sat, Jun 6 - Fri, Jun 12
Finnair Logo
9:30 pm - 12:40 am
ORD
-
TAY
19h 10m
1 stop
Finnair Logo
5:40 am - 5:50 pm
TAY
-
ORD
20h 10m
1 stop
$2,754Finnair
Sat, Jun 6 - Fri, Jun 12

Lufthansa flights from Chicago to Estonia

Our best Lufthansa deals on Chicago to Estonia flight tickets
Lufthansa
Jul 27
ORD10:30 pmChicago O'Hare Intl
18h 05m
1 stop
TLL12:35 amTallinn
Aug 12
TLL6:10 pmTallinn
26h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
$752
Lufthansa
Aug 15
ORD9:16 pmChicago O'Hare Intl
31h 49m
2 stops
TLL1:05 pmTallinn
Aug 31
TLL5:55 pmTallinn
34h 00m
1 stop
ORD7:55 pmChicago O'Hare Intl
$764
Lufthansa
Jun 4
ORD6:30 pmChicago O'Hare Intl
21h 45m
1 stop
TLL12:15 amTallinn
Jun 25
TLL5:55 amTallinn
15h 00m
1 stop
ORD12:55 pmChicago O'Hare Intl
$1,056

United Airlines flights from Chicago to Estonia

Our best United Airlines deals on Chicago to Estonia flight tickets
United Airlines
Aug 12
ORD4:05 pmChicago O'Hare Intl
13h 05m
1 stop
TLL1:10 pmTallinn
Aug 20
TLL5:55 amTallinn
35h 05m
2 stops
ORD9:00 amChicago O'Hare Intl
$717
United Airlines
Aug 12
ORD2:31 pmChicago O'Hare Intl
25h 44m
2 stops
TLL12:15 amTallinn
Aug 20
TLL5:55 amTallinn
39h 27m
2 stops
ORD1:22 pmChicago O'Hare Intl
$722
United Airlines
Oct 7
ORD9:00 amChicago O'Hare Intl
20h 10m
2 stops
TLL1:10 pmTallinn
Oct 23
TLL6:10 amTallinn
14h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
$745

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 27, 2026.
Use the filters below to find and compare flights from Chicago 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
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/10

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sun 10/18

6:15 am-4:10 pm

1 stop17h 55m

$612

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 10/6

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Thu 10/22

6:15 am-4:10 pm

1 stop17h 55m

$619

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 10/7

7:15 pm-10:45 am

1 stop31h 30m

Tallinn

Wed 10/21

8:20 pm-4:10 pm

2 stops27h 50m

$620

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/10

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Fri 10/23

6:15 am-4:10 pm

1 stop17h 55m

$628

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/22

7:15 pm-1:25 am

1 stop22h 10m

Tallinn

Fri 11/27

6:25 am-4:45 pm

1 stop18h 20m

$633

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sat 6/6

2:52 pm-2:35 pm

2 stops39h 43m

Tartu

Fri 6/12

3:00 pm-3:00 pm

2 stops32h 00m

$1,551

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sat 6/6

9:30 pm-12:40 am

1 stop19h 10m

Tartu

Fri 6/12

5:40 am-5:50 pm

1 stop20h 10m

$2,754

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 Chicago 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 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 Chicago to Estonia during November average around $424.

Cheap Chicago to Estonia flight deals and tips

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

Fastest flight time

17h 20m

Direct flights

None
The fastest flight from Chicago to Estonia takes 17h 20m
There are no direct flights from Chicago to Estonia. There are no popular flight routes from Chicago to Estonia.
Search flight deals

Frequently asked questions about flying from Chicago to Estonia

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

    Prices for flights from Chicago to Estonia refresh daily.

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

  • How old do you have to be to fly from Chicago 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 Chicago 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 Chicago to Estonia

Compare and see reviews for airlines that fly from Chicago to Estonia with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $433Free CancellationRating
7.4
1,794 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,032 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 Chicago to Estonia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Estonia. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Estonia from Chicago with this policy.

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

Once you have performed a search for Chicago to Estonia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Estonia, momondo offers a useful price alert feature which will track prices for flights to Estonia from Chicago and alert you when they change.

An easier way to manage your Estonia trip

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Find better results for your trip to Estonia

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