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Cheap flights from Chicago to Estonia from $381

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 5/11. 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.
Turkish Airlines Logo
11:25 am - 6:40 pm
ORD
-
TLL
23h 15m
1 stop
Turkish Airlines Logo
7:35 pm - 9:40 am
TLL
-
ORD
22h 05m
1 stop
$520Turkish Airlines
Sun, Apr 19 - Tue, Apr 28
Turkish Airlines Logo
11:25 am - 10:20 am
ORD
-
TLL
14h 55m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$539Turkish Airlines
Thu, Apr 16 - Thu, Apr 23
Turkish Airlines Logo
8:10 pm - 10:20 am
ORD
-
TLL
30h 10m
1 stop
Turkish Airlines Logo
7:35 pm - 9:40 am
TLL
-
ORD
22h 05m
1 stop
$540Turkish Airlines
Tue, Apr 28 - Tue, May 5
Turkish Airlines Logo
8:10 pm - 10:20 am
ORD
-
TLL
30h 10m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$570Turkish Airlines
Fri, Apr 24 - Fri, May 1
Turkish Airlines Logo
8:10 pm - 10:20 am
ORD
-
TLL
30h 10m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$574Turkish Airlines
Mon, Apr 20 - Wed, Apr 29
Turkish Airlines Logo
11:25 am - 6:40 pm
ORD
-
TLL
23h 15m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$575Turkish Airlines
Mon, Sep 7 - Sun, Sep 13
Turkish Airlines Logo
11:25 am - 6:40 pm
ORD
-
TLL
23h 15m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$576Turkish Airlines
Fri, Apr 24 - Mon, Apr 27
Turkish Airlines Logo
11:25 am - 10:20 am
ORD
-
TLL
14h 55m
1 stop
Turkish Airlines Logo
7:35 pm - 9:40 am
TLL
-
ORD
22h 05m
1 stop
$578Turkish Airlines
Sat, Apr 18 - Tue, Apr 28
Finnair Logo
9:30 pm - 12:40 am
ORD
-
TAY
19h 10m
1 stop
Finnair Logo
3:00 pm - 12:25 pm
TAY
-
ORD
29h 25m
2 stops
$948Finnair
Mon, May 11 - Mon, May 18
Finnair Logo
5:55 pm - 12:40 am
ORD
-
TAY
22h 45m
2 stops
Finnair Logo
3:00 pm - 1:50 pm
TAY
-
ORD
30h 50m
2 stops
$950Finnair
Mon, May 11 - Mon, May 18

Lufthansa flights from Chicago to Estonia

Our best Lufthansa deals on Chicago to Estonia flight tickets
Lufthansa
Mar 29
ORD10:30 pmChicago O'Hare Intl
18h 05m
1 stop
TLL12:35 amTallinn
Apr 5
TLL6:10 amTallinn
14h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
$811
Lufthansa
Mar 29
ORD4:05 pmChicago O'Hare Intl
13h 00m
1 stop
TLL1:05 pmTallinn
Apr 5
TLL6:10 amTallinn
22h 35m
2 stops
ORD8:45 pmChicago O'Hare Intl
$815
Lufthansa
Mar 29
ORD4:05 pmChicago O'Hare Intl
13h 00m
1 stop
TLL1:05 pmTallinn
Apr 5
TLL6:10 amTallinn
22h 35m
2 stops
ORD8:45 pmChicago O'Hare Intl
$816

United Airlines flights from Chicago to Estonia

Our best United Airlines deals on Chicago to Estonia flight tickets
United Airlines
Aug 10
ORD3:40 pmChicago O'Hare Intl
24h 55m
2 stops
TLL12:35 amTallinn
Aug 17
TLL1:50 pmTallinn
38h 23m
2 stops
ORD8:13 pmChicago O'Hare Intl
$774
United Airlines
May 8
ORD5:55 pmChicago O'Hare Intl
15h 40m
2 stops
TLL5:35 pmTallinn
May 15
TLL2:15 pmTallinn
13h 40m
1 stop
ORD7:55 pmChicago O'Hare Intl
$793
United Airlines
Apr 24
ORD8:00 amChicago O'Hare Intl
21h 10m
2 stops
TLL1:10 pmTallinn
May 1
TLL6:05 amTallinn
23h 37m
2 stops
ORD9:42 pmChicago O'Hare Intl
$806

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 28, 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 4/19

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Tue 4/28

7:35 pm-9:40 am

1 stop22h 05m

$520

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 4/16

11:25 am-10:20 am

1 stop14h 55m

Tallinn

Thu 4/23

11:15 am-9:40 am

1 stop30h 25m

$539

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 4/28

8:10 pm-10:20 am

1 stop30h 10m

Tallinn

Tue 5/5

7:35 pm-9:40 am

1 stop22h 05m

$540

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 4/24

8:10 pm-10:20 am

1 stop30h 10m

Tallinn

Fri 5/1

11:15 am-9:40 am

1 stop30h 25m

$570

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 4/20

8:10 pm-10:20 am

1 stop30h 10m

Tallinn

Wed 4/29

11:15 am-9:40 am

1 stop30h 25m

$574

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 9/7

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Sun 9/13

11:15 am-9:40 am

1 stop30h 25m

$575

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 4/24

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Mon 4/27

11:15 am-9:40 am

1 stop30h 25m

$576
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 4/18

11:25 am-10:20 am

1 stop14h 55m

Tallinn

Tue 4/28

7:35 pm-9:40 am

1 stop22h 05m

$578

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Mon 5/11

9:30 pm-12:40 am

1 stop19h 10m

Tartu

Mon 5/18

3:00 pm-12:25 pm

2 stops29h 25m

$948

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Mon 5/11

5:55 pm-12:40 am

2 stops22h 45m

Tartu

Mon 5/18

3:00 pm-1:50 pm

2 stops30h 50m

$950

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

10h 15m

Direct flights

None
The fastest flight from Chicago to Estonia takes 10h 15m
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
1,727 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,503 reviews
Search United Airlines flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,872 reviews
Search Lufthansa flights
FinnairPriceFrom $678Free CancellationRating
7.7
1,374 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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