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Cheap flights from Chicago to Estonia from $270

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 5/19. 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
7:20 pm - 3:10 pm
ORD
-
TLL
11h 50m
1 stop
Scandinavian Airlines Logo
11:00 am - 4:55 pm
TLL
-
ORD
13h 55m
1 stop
$438Scandinavian Airlines
Mon, Feb 23 - Fri, Mar 6
Scandinavian Airlines Logo
7:20 pm - 10:20 am
ORD
-
TLL
31h 00m
1 stop
Scandinavian Airlines Logo
3:40 pm - 4:45 pm
TLL
-
ORD
33h 05m
2 stops
$439Scandinavian Airlines
Mon, Feb 23 - Fri, Mar 6
Scandinavian Airlines Logo
7:20 pm - 11:40 pm
ORD
-
TLL
20h 20m
2 stops
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$440Scandinavian Airlines
Mon, Mar 2 - Sun, Mar 8
LOT Logo
10:55 pm - 5:50 pm
ORD
-
TLL
11h 55m
1 stop
LOT Logo
6:25 pm - 7:50 pm
TLL
-
ORD
33h 25m
1 stop
$453LOT
Tue, Mar 24 - Tue, Mar 31
LOT Logo
10:55 pm - 5:50 pm
ORD
-
TLL
11h 55m
1 stop
LOT Logo
6:25 pm - 7:50 pm
TLL
-
ORD
33h 25m
1 stop
$463LOT
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
12:50 pm - 12:50 pm
ORD
-
TLL
17h 00m
2 stops
Multiple Airlines Logo
1:50 pm - 7:55 pm
TLL
-
ORD
14h 05m
1 stop
$469Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
1:55 pm - 8:05 pm
ORD
-
TLL
23h 10m
2 stops
Multiple Airlines Logo
6:00 am - 9:05 pm
TLL
-
ORD
22h 05m
1 stop
$473Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
7:15 am - 12:50 pm
ORD
-
TLL
22h 35m
2 stops
Multiple Airlines Logo
1:50 pm - 7:55 pm
TLL
-
ORD
14h 05m
1 stop
$483Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Air Canada Logo
12:50 pm - 12:50 pm
ORD
-
TLL
17h 00m
2 stops
Air Canada Logo
7:30 am - 6:47 pm
TLL
-
ORD
19h 17m
2 stops
$489Air Canada
Tue, Mar 24 - Tue, Mar 31
United Airlines Logo
7:30 pm - 11:55 pm
ORD
-
TLL
21h 25m
1 stop
United Airlines Logo
1:55 pm - 9:05 pm
TLL
-
ORD
14h 10m
1 stop
$492United Airlines
Wed, Mar 18 - Wed, Mar 25

Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets
Scandinavian Airlines
Feb 23
ORD7:20 pmChicago O'Hare Intl
11h 50m
1 stop
TLL3:10 pmTallinn
Mar 6
TLL11:00 amTallinn
13h 55m
1 stop
ORD4:55 pmChicago O'Hare Intl
$438
Scandinavian Airlines
Feb 23
ORD7:20 pmChicago O'Hare Intl
31h 00m
1 stop
TLL10:20 amTallinn
Mar 6
TLL3:40 pmTallinn
33h 05m
2 stops
ORD4:45 pmChicago O'Hare Intl
$439
Scandinavian Airlines
Mar 2
ORD7:20 pmChicago O'Hare Intl
20h 20m
2 stops
TLL11:40 pmTallinn
Mar 8
TLL6:25 amTallinn
18h 20m
1 stop
ORD4:45 pmChicago O'Hare Intl
$440

Finnair flights from Chicago to Estonia

Our best Finnair deals on Chicago to Estonia flight tickets
Finnair
Apr 29
ORD9:30 pmChicago O'Hare Intl
10h 45m
1 stop
TLL4:15 pmTallinn
May 6
TLL12:50 pmTallinn
13h 00m
1 stop
ORD5:50 pmChicago O'Hare Intl
$514
Finnair
Feb 6
ORD5:10 pmChicago O'Hare Intl
37h 05m
2 stops
TAY2:15 pmTartu
Feb 10
TAY6:00 amTartu
21h 29m
2 stops
ORD7:29 pmChicago O'Hare Intl
$1,767

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 February 3, 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

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 2/23

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Fri 3/6

11:00 am-4:55 pm

1 stop13h 55m

$438

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 2/23

7:20 pm-10:20 am

1 stop31h 00m

Tallinn

Fri 3/6

3:40 pm-4:45 pm

2 stops33h 05m

$439

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/2

7:20 pm-11:40 pm

2 stops20h 20m

Tallinn

Sun 3/8

6:25 am-4:45 pm

1 stop18h 20m

$440

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/24

10:55 pm-5:50 pm

1 stop11h 55m

Tallinn

Tue 3/31

6:25 pm-7:50 pm

1 stop33h 25m

$453

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/24

10:55 pm-5:50 pm

1 stop11h 55m

Tallinn

Tue 3/31

6:25 pm-7:50 pm

1 stop33h 25m

$463

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/24

12:50 pm-12:50 pm

2 stops17h 00m

Tallinn

Tue 3/31

1:50 pm-7:55 pm

1 stop14h 05m

$469

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 3/18

1:55 pm-8:05 pm

2 stops23h 10m

Tallinn

Wed 3/25

6:00 am-9:05 pm

1 stop22h 05m

$473

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/24

7:15 am-12:50 pm

2 stops22h 35m

Tallinn

Tue 3/31

1:50 pm-7:55 pm

1 stop14h 05m

$483

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/24

12:50 pm-12:50 pm

2 stops17h 00m

Tallinn

Tue 3/31

7:30 am-6:47 pm

2 stops19h 17m

$489

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 3/18

7:30 pm-11:55 pm

1 stop21h 25m

Tallinn

Wed 3/25

1:55 pm-9:05 pm

1 stop14h 10m

$492

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 $487, 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 October is your next best option. Flight prices from Chicago to Estonia during October average around $498.

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

11h 50m

Direct flights

None
The fastest flight from Chicago to Estonia takes 11h 50m
There are no direct flights from Chicago to Estonia. There are no popular flight routes from Chicago to Estonia.
Search flight deals

  • 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
7.3
1,676 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
LufthansaPriceFrom $539Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights
FinnairPriceFrom $678Free CancellationRating
7.6
1,357 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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