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Cheap flights from Chicago to Estonia from $334

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 7/2. 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 - 7:50 pm
ORD
-
TLL
16h 35m
2 stops
Scandinavian Airlines Logo
7:00 am - 4:10 pm
TLL
-
ORD
17h 10m
2 stops
$445Scandinavian Airlines
Mon, Apr 13 - Mon, Apr 20
Scandinavian Airlines Logo
7:15 pm - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
3:50 pm - 4:10 pm
TLL
-
ORD
32h 20m
1 stop
$447Scandinavian Airlines
Mon, Apr 20 - Sun, May 3
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
$449Scandinavian Airlines
Mon, Apr 13 - Mon, Apr 20
LOT Logo
9:50 pm - 1:40 am
ORD
-
TLL
19h 50m
1 stop
LOT Logo
5:45 am - 7:50 pm
TLL
-
ORD
22h 05m
1 stop
$453LOT
Sun, Apr 5 - Wed, Apr 29
LOT Logo
9:50 pm - 5:45 pm
ORD
-
TLL
11h 55m
1 stop
LOT Logo
6:25 pm - 3:10 pm
TLL
-
ORD
28h 45m
1 stop
$456LOT
Tue, Apr 21 - Mon, May 4
Multiple Airlines Logo
6:00 pm - 12:40 am
ORD
-
TAY
22h 40m
2 stops
Multiple Airlines Logo
5:40 am - 10:24 pm
TAY
-
ORD
24h 44m
2 stops
$703Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Finnair Logo
6:00 pm - 12:40 am
ORD
-
TAY
22h 40m
2 stops
Finnair Logo
5:40 am - 5:50 pm
TAY
-
ORD
20h 10m
1 stop
$788Finnair
Mon, Mar 30 - Mon, Apr 6
Turkish Airlines Logo
8:10 pm - 2:35 pm
ORD
-
TAY
34h 25m
2 stops
Turkish Airlines Logo
3:00 pm - 6:15 pm
TAY
-
ORD
35h 15m
2 stops
$971Turkish Airlines
Fri, Apr 24 - Tue, Apr 28
Turkish Airlines Logo
11:25 am - 2:35 pm
ORD
-
TAY
43h 10m
2 stops
Turkish Airlines Logo
3:00 pm - 9:40 am
TAY
-
ORD
26h 40m
2 stops
$973Turkish Airlines
Fri, Apr 24 - Tue, Apr 28
Multiple Airlines Logo
7:25 pm - 12:40 am
ORD
-
TAY
21h 15m
3 stops
Multiple Airlines Logo
3:00 pm - 6:31 pm
TAY
-
ORD
35h 31m
3 stops
$1,156Multiple Airlines
Mon, Mar 30 - Mon, Apr 6

Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets
Scandinavian Airlines
Apr 13
ORD7:15 pmChicago O'Hare Intl
16h 35m
2 stops
TLL7:50 pmTallinn
Apr 20
TLL7:00 amTallinn
17h 10m
2 stops
ORD4:10 pmChicago O'Hare Intl
$445
Scandinavian Airlines
Apr 20
ORD7:15 pmChicago O'Hare Intl
12h 00m
1 stop
TLL3:15 pmTallinn
May 3
TLL3:50 pmTallinn
32h 20m
1 stop
ORD4:10 pmChicago O'Hare Intl
$447
Scandinavian Airlines
Apr 13
ORD7:15 pmChicago O'Hare Intl
22h 15m
1 stop
TLL1:30 amTallinn
Apr 20
TLL6:15 amTallinn
17h 55m
1 stop
ORD4:10 pmChicago O'Hare Intl
$449

LOT flights from Chicago to Estonia

Our best LOT deals on Chicago to Estonia flight tickets
LOT
Apr 5
ORD9:50 pmChicago O'Hare Intl
19h 50m
1 stop
TLL1:40 amTallinn
Apr 29
TLL5:45 amTallinn
22h 05m
1 stop
ORD7:50 pmChicago O'Hare Intl
$453
LOT
Apr 21
ORD9:50 pmChicago O'Hare Intl
11h 55m
1 stop
TLL5:45 pmTallinn
May 4
TLL6:25 pmTallinn
28h 45m
1 stop
ORD3:10 pmChicago O'Hare Intl
$456
LOT
Apr 6
ORD9:50 pmChicago O'Hare Intl
19h 50m
1 stop
TLL1:40 amTallinn
Apr 29
TLL2:20 pmTallinn
13h 30m
1 stop
ORD7:50 pmChicago O'Hare Intl
$466

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 March 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 4/13

7:15 pm-7:50 pm

2 stops16h 35m

Tallinn

Mon 4/20

7:00 am-4:10 pm

2 stops17h 10m

$445

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 4/20

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sun 5/3

3:50 pm-4:10 pm

1 stop32h 20m

$447

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 4/13

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Mon 4/20

6:15 am-4:10 pm

1 stop17h 55m

$449

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 4/5

9:50 pm-1:40 am

1 stop19h 50m

Tallinn

Wed 4/29

5:45 am-7:50 pm

1 stop22h 05m

$453

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 4/21

9:50 pm-5:45 pm

1 stop11h 55m

Tallinn

Mon 5/4

6:25 pm-3:10 pm

1 stop28h 45m

$456

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Mon 3/30

6:00 pm-12:40 am

2 stops22h 40m

Tartu

Mon 4/6

5:40 am-10:24 pm

2 stops24h 44m

$703

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Mon 3/30

6:00 pm-12:40 am

2 stops22h 40m

Tartu

Mon 4/6

5:40 am-5:50 pm

1 stop20h 10m

$788

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Fri 4/24

8:10 pm-2:35 pm

2 stops34h 25m

Tartu

Tue 4/28

3:00 pm-6:15 pm

2 stops35h 15m

$971

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Fri 4/24

11:25 am-2:35 pm

2 stops43h 10m

Tartu

Tue 4/28

3:00 pm-9:40 am

2 stops26h 40m

$973

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Mon 3/30

7:25 pm-12:40 am

3 stops21h 15m

Tartu

Mon 4/6

3:00 pm-6:31 pm

3 stops35h 31m

$1,156

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 October. Flight prices, which tend to average around $498, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in October, then March is your next best option. Flight prices from Chicago to Estonia during March average around $500.

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

  • 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
1,703 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,381 reviews
Search United Airlines flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,823 reviews
Search Lufthansa flights
FinnairPriceFrom $548Free CancellationRating
7.6
1,371 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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