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Cheap flights from Chicago 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 Chicago to Estonia departing on 9/6. 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

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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 - 3:20 pm
ORD
-
TLL
12h 05m
1 stop
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$566Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 3:20 pm
ORD
-
TLL
12h 05m
1 stop
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m
2 stops
$573Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
TLL
20h 30m
2 stops
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m
2 stops
$580Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 3:20 pm
ORD
-
TLL
12h 05m
1 stop
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$596Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
British Airways Logo
9:30 pm - 7:20 pm
ORD
-
TLL
13h 50m
1 stop
British Airways Logo
6:00 am - 5:50 pm
TLL
-
ORD
19h 50m
1 stop
$686British Airways
Sat, Sep 5 - Sun, Sep 13
British Airways Logo
9:30 pm - 10:10 pm
ORD
-
TLL
16h 40m
1 stop
British Airways Logo
6:00 am - 7:36 pm
TLL
-
ORD
21h 36m
2 stops
$696British Airways
Sat, Sep 5 - Sun, Sep 13
Multiple Airlines Logo
10:30 pm - 2:35 pm
ORD
-
TAY
32h 05m
2 stops
Multiple Airlines Logo
3:00 pm - 12:30 pm
TAY
-
ORD
29h 30m
2 stops
$999Multiple Airlines
Sun, Jul 5 - Sun, Jul 12
Finnair Logo
5:55 pm - 12:40 am
ORD
-
TAY
22h 45m
2 stops
Finnair Logo
5:40 am - 5:50 pm
TAY
-
ORD
20h 10m
1 stop
$1,108Finnair
Sun, Oct 18 - Wed, Oct 21
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
$1,111Finnair
Sun, Oct 18 - Wed, Oct 21
Multiple Airlines Logo
9:30 pm - 2:35 pm
ORD
-
TAY
33h 05m
1 stop
Multiple Airlines Logo
3:00 pm - 3:00 pm
TAY
-
ORD
32h 00m
2 stops
$1,152Multiple Airlines
Sun, Jul 5 - Sun, Jul 12

British Airways flights from Chicago to Estonia

Our best British Airways deals on Chicago to Estonia flight tickets
British Airways
Sep 5
ORD9:30 pmChicago O'Hare Intl
13h 50m
1 stop
TLL7:20 pmTallinn
Sep 13
TLL6:00 amTallinn
19h 50m
1 stop
ORD5:50 pmChicago O'Hare Intl
$686
British Airways
Sep 5
ORD9:30 pmChicago O'Hare Intl
16h 40m
1 stop
TLL10:10 pmTallinn
Sep 13
TLL6:00 amTallinn
21h 36m
2 stops
ORD7:36 pmChicago O'Hare Intl
$696

United Airlines flights from Chicago to Estonia

Our best United Airlines deals on Chicago to Estonia flight tickets
United Airlines
Jul 13
ORD4:05 pmChicago O'Hare Intl
13h 00m
1 stop
TLL1:05 pmTallinn
Jul 21
TLL6:10 amTallinn
36h 06m
2 stops
ORD10:16 amChicago O'Hare Intl
$842
United Airlines
Jul 7
ORD7:33 amChicago O'Hare Intl
21h 32m
2 stops
TLL1:05 pmTallinn
Jul 15
TLL6:10 amTallinn
12h 50m
1 stop
ORD11:00 amChicago O'Hare Intl
$843
United Airlines
Jul 13
ORD6:00 amChicago O'Hare Intl
23h 05m
2 stops
TLL1:05 pmTallinn
Jul 21
TLL6:10 amTallinn
36h 06m
2 stops
ORD10:16 amChicago O'Hare Intl
$846

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 June 6, 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

Sun 11/8

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Thu 11/12

6:25 am-4:45 pm

1 stop18h 20m

$566
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Thu 11/12

11:00 am-4:45 pm

2 stops13h 45m

$573

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-11:45 pm

2 stops20h 30m

Tallinn

Thu 11/12

11:00 am-4:45 pm

2 stops13h 45m

$580

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Thu 11/12

6:25 am-4:45 pm

1 stop18h 20m

$596

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 9/5

9:30 pm-7:20 pm

1 stop13h 50m

Tallinn

Sun 9/13

6:00 am-5:50 pm

1 stop19h 50m

$686

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 9/5

9:30 pm-10:10 pm

1 stop16h 40m

Tallinn

Sun 9/13

6:00 am-7:36 pm

2 stops21h 36m

$696

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 7/5

10:30 pm-2:35 pm

2 stops32h 05m

Tartu

Sun 7/12

3:00 pm-12:30 pm

2 stops29h 30m

$999

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 10/18

5:55 pm-12:40 am

2 stops22h 45m

Tartu

Wed 10/21

5:40 am-5:50 pm

1 stop20h 10m

$1,108

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 10/18

9:30 pm-12:40 am

1 stop19h 10m

Tartu

Wed 10/21

5:40 am-5:50 pm

1 stop20h 10m

$1,111

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 7/5

9:30 pm-2:35 pm

1 stop33h 05m

Tartu

Sun 7/12

3:00 pm-3:00 pm

2 stops32h 00m

$1,152

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

12h 05m

Direct flights

None
The fastest flight from Chicago to Estonia takes 12h 05m
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
1,809 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,038 reviews
Search Lufthansa flights
FinnairPriceFrom $785Free CancellationRating
7.7
1,402 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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