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Cheap flights from Chicago to Estonia from $310

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 10/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 pm - 3:45 pm
ORD
-
TLL
10h 15m
1 stop
Multiple Airlines Logo
5:50 am - 10:00 pm
TLL
-
ORD
23h 10m
2 stops
$644Multiple Airlines
Tue, Oct 20 - Sun, Oct 25
Multiple Airlines Logo
7:25 pm - 4:15 pm
ORD
-
TLL
36h 50m
2 stops
Multiple Airlines Logo
1:40 pm - 5:50 pm
TLL
-
ORD
12h 10m
1 stop
$648Multiple Airlines
Sun, Oct 11 - Sat, Oct 17
Scandinavian Airlines Logo
7:15 pm - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
6:25 am - 5:45 pm
TLL
-
ORD
18h 20m
1 stop
$653Scandinavian Airlines
Tue, Oct 20 - Sun, Oct 25
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
$654Scandinavian Airlines
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
9:15 pm - 10:50 pm
ORD
-
TLL
17h 35m
2 stops
Multiple Airlines Logo
5:50 am - 9:20 pm
TLL
-
ORD
22h 30m
2 stops
$659Multiple Airlines
Tue, Oct 20 - Sun, Oct 25
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
$669Scandinavian Airlines
Thu, Oct 8 - Fri, Oct 16
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
$672Scandinavian Airlines
Sat, Oct 3 - Sun, Oct 11
Finnair Logo
10:30 pm - 12:40 am
ORD
-
TAY
18h 10m
2 stops
Finnair Logo
5:40 am - 5:50 pm
TAY
-
ORD
20h 10m
1 stop
$933Finnair
Wed, Aug 19 - Wed, Aug 26
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
$936Finnair
Wed, Aug 19 - Wed, Aug 26
Finnair Logo
10:30 pm - 12:40 am
ORD
-
TAY
18h 10m
2 stops
Finnair Logo
5:40 am - 5:50 pm
TAY
-
ORD
20h 10m
1 stop
$937Finnair
Wed, Aug 19 - Wed, Aug 26

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Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets
Scandinavian Airlines
Oct 20
ORD7:15 pmChicago O'Hare Intl
12h 00m
1 stop
TLL3:15 pmTallinn
Oct 25
TLL6:25 amTallinn
18h 20m
1 stop
ORD5:45 pmChicago O'Hare Intl
$653
Scandinavian Airlines
Nov 25
ORD7:15 pmChicago O'Hare Intl
22h 10m
1 stop
TLL1:25 amTallinn
Dec 2
TLL6:25 amTallinn
18h 20m
1 stop
ORD4:45 pmChicago O'Hare Intl
$654
Scandinavian Airlines
Oct 16
ORD7:15 pmChicago O'Hare Intl
20h 35m
2 stops
TLL11:50 pmTallinn
Oct 21
TLL8:20 pmTallinn
27h 50m
2 stops
ORD4:10 pmChicago O'Hare Intl
$662

Finnair flights from Chicago to Estonia

Our best Finnair deals on Chicago to Estonia flight tickets
Finnair
Aug 19
ORD10:30 pmChicago O'Hare Intl
18h 10m
2 stops
TAY12:40 amTartu
Aug 26
TAY5:40 amTartu
20h 10m
1 stop
ORD5:50 pmChicago O'Hare Intl
$933
Finnair
Aug 19
ORD9:30 pmChicago O'Hare Intl
19h 10m
1 stop
TAY12:40 amTartu
Aug 26
TAY5:40 amTartu
20h 10m
1 stop
ORD5:50 pmChicago O'Hare Intl
$936
Finnair
Aug 19
ORD10:30 pmChicago O'Hare Intl
18h 10m
2 stops
TAY12:40 amTartu
Aug 26
TAY5:40 amTartu
20h 10m
1 stop
ORD5:50 pmChicago O'Hare Intl
$937

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 July 23, 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

Tue 10/20

9:30 pm-3:45 pm

1 stop10h 15m

Tallinn

Sun 10/25

5:50 am-10:00 pm

2 stops23h 10m

$644

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 10/11

7:25 pm-4:15 pm

2 stops36h 50m

Tallinn

Sat 10/17

1:40 pm-5:50 pm

1 stop12h 10m

$648

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 10/20

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sun 10/25

6:25 am-5:45 pm

1 stop18h 20m

$653

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 11/25

7:15 pm-1:25 am

1 stop22h 10m

Tallinn

Wed 12/2

6:25 am-4:45 pm

1 stop18h 20m

$654

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 10/20

9:15 pm-10:50 pm

2 stops17h 35m

Tallinn

Sun 10/25

5:50 am-9:20 pm

2 stops22h 30m

$659
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 10/8

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Fri 10/16

6:15 am-4:10 pm

1 stop17h 55m

$669

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/3

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Sun 10/11

6:15 am-4:10 pm

1 stop17h 55m

$672

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Wed 8/19

10:30 pm-12:40 am

2 stops18h 10m

Tartu

Wed 8/26

5:40 am-5:50 pm

1 stop20h 10m

$933

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Wed 8/19

9:30 pm-12:40 am

1 stop19h 10m

Tartu

Wed 8/26

5:40 am-5:50 pm

1 stop20h 10m

$936

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Wed 8/19

10:30 pm-12:40 am

2 stops18h 10m

Tartu

Wed 8/26

5:40 am-5:50 pm

1 stop20h 10m

$937

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 March. Flight prices, which tend to average around $492, 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 Chicago to Estonia during April average around $496.

Can stopping save me money on Chicago to Estonia flights?

You could potentially save up to 51% on your flight if you consider stops on a Chicago to Estonia flight.

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

12h 00m

Direct flights

None
The fastest flight from Chicago to Estonia takes 12h 00m
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
1,899 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
10,025 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,156 reviews
Search Lufthansa flights
FinnairPriceFrom $785Free CancellationRating
7.6
1,423 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.

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