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Cheap flights from Chicago to Estonia from $555

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 8/27. 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
7:25 pm - 2:25 pm
ORD
-
TLL
35h 00m
2 stops
Multiple Airlines Logo
12:50 pm - 5:50 pm
TLL
-
ORD
13h 00m
1 stop
$570Multiple Airlines
Mon, Aug 31 - Wed, Sep 16
Multiple Airlines Logo
7:25 pm - 12:35 am
ORD
-
TLL
21h 10m
3 stops
Multiple Airlines Logo
3:15 pm - 6:15 pm
TLL
-
ORD
35h 00m
3 stops
$584Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
7:25 pm - 8:40 am
ORD
-
TLL
29h 15m
3 stops
Multiple Airlines Logo
2:45 pm - 6:15 pm
TLL
-
ORD
35h 30m
2 stops
$589Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
Multiple Airlines Logo
10:25 pm - 11:10 pm
ORD
-
TLL
16h 45m
2 stops
Multiple Airlines Logo
12:50 pm - 5:50 pm
TLL
-
ORD
13h 00m
1 stop
$608Multiple Airlines
Tue, Aug 18 - Wed, Sep 2
Multiple Airlines Logo
10:25 pm - 5:10 pm
ORD
-
TLL
34h 45m
2 stops
Multiple Airlines Logo
12:50 pm - 5:50 pm
TLL
-
ORD
13h 00m
1 stop
$626Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
7:25 pm - 5:20 pm
ORD
-
TLL
13h 55m
2 stops
Multiple Airlines Logo
8:35 pm - 6:15 pm
TLL
-
ORD
29h 40m
3 stops
$629Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
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
$656Scandinavian Airlines
Sat, Oct 3 - Fri, Oct 23
Scandinavian Airlines Logo
7:15 pm - 4:15 pm
ORD
-
TLL
13h 00m
2 stops
Scandinavian Airlines Logo
6:15 am - 4:10 pm
TLL
-
ORD
17h 55m
1 stop
$657Scandinavian Airlines
Sat, Oct 3 - Fri, Oct 23
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
$667Scandinavian Airlines
Sat, Oct 3 - Sat, Oct 24
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
$844Finnair
Thu, Aug 27 - Thu, Sep 3

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KLM flights from Chicago to Estonia

Our best KLM deals on Chicago to Estonia flight tickets
KLM
Jul 28
ORD2:07 pmChicago O'Hare Intl
15h 08m
2 stops
TLL1:15 pmTallinn
Aug 9
TLL7:30 amTallinn
14h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
$990
KLM
Jul 28
ORD4:20 pmChicago O'Hare Intl
12h 55m
1 stop
TLL1:15 pmTallinn
Aug 9
TLL7:30 amTallinn
14h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,029
KLM
Jul 28
ORD2:07 pmChicago O'Hare Intl
15h 08m
2 stops
TLL1:15 pmTallinn
Aug 9
TLL7:30 amTallinn
14h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,077

SWISS flights from Chicago to Estonia

Our best SWISS deals on Chicago to Estonia flight tickets
SWISS
Aug 18
ORD7:05 pmChicago O'Hare Intl
22h 30m
1 stop
TLL1:35 amTallinn
Aug 25
TLL5:05 amTallinn
15h 30m
1 stop
ORD12:35 pmChicago O'Hare Intl
$693
SWISS
Aug 10
ORD7:05 pmChicago O'Hare Intl
22h 30m
1 stop
TLL1:35 amTallinn
Aug 25
TLL5:05 amTallinn
18h 50m
1 stop
ORD3:55 pmChicago O'Hare Intl
$700
SWISS
Aug 27
ORD2:20 pmChicago O'Hare Intl
27h 15m
1 stop
TLL1:35 amTallinn
Sep 3
TLL5:05 amTallinn
18h 50m
1 stop
ORD3:55 pmChicago O'Hare Intl
$769

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 16, 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

Mon 8/31

7:25 pm-2:25 pm

2 stops35h 00m

Tallinn

Wed 9/16

12:50 pm-5:50 pm

1 stop13h 00m

$570

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 8/24

7:25 pm-12:35 am

3 stops21h 10m

Tallinn

Mon 8/31

3:15 pm-6:15 pm

3 stops35h 00m

$584

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 8/27

7:25 pm-8:40 am

3 stops29h 15m

Tallinn

Thu 9/3

2:45 pm-6:15 pm

2 stops35h 30m

$589
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 8/18

10:25 pm-11:10 pm

2 stops16h 45m

Tallinn

Wed 9/2

12:50 pm-5:50 pm

1 stop13h 00m

$608

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/26

10:25 pm-5:10 pm

2 stops34h 45m

Tallinn

Wed 9/2

12:50 pm-5:50 pm

1 stop13h 00m

$626

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 8/24

7:25 pm-5:20 pm

2 stops13h 55m

Tallinn

Mon 8/31

8:35 pm-6:15 pm

3 stops29h 40m

$629

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/3

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Fri 10/23

6:15 am-4:10 pm

1 stop17h 55m

$656

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/3

7:15 pm-4:15 pm

2 stops13h 00m

Tallinn

Fri 10/23

6:15 am-4:10 pm

1 stop17h 55m

$657

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 10/3

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Sat 10/24

6:15 am-4:10 pm

1 stop17h 55m

$667

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Thu 8/27

9:30 pm-12:40 am

1 stop19h 10m

Tartu

Thu 9/3

5:40 am-5:50 pm

1 stop20h 10m

$844

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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.

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
1,882 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,993 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,137 reviews
Search Lufthansa flights
FinnairPriceFrom $785Free CancellationRating
7.6
1,420 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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