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Cheap flights from Chicago to Estonia from $505

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 6/8. 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 - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
3:50 pm - 4:10 pm
TLL
-
ORD
32h 20m
1 stop
$705Scandinavian Airlines
Sat, Aug 22 - Sun, Aug 30
Scandinavian Airlines Logo
7:15 pm - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
8:50 pm - 4:10 pm
TLL
-
ORD
27h 20m
2 stops
$706Scandinavian Airlines
Sat, Aug 22 - Sun, Aug 30
Scandinavian Airlines Logo
7:25 pm - 10:50 am
ORD
-
TLL
31h 25m
2 stops
Scandinavian Airlines Logo
6:15 am - 10:39 pm
TLL
-
ORD
24h 24m
2 stops
$719Scandinavian Airlines
Fri, Aug 28 - Wed, Sep 2
Finnair Logo
9:30 pm - 8:55 pm
ORD
-
TLL
15h 25m
1 stop
Finnair Logo
12:50 pm - 5:50 pm
TLL
-
ORD
13h 00m
1 stop
$733Finnair
Fri, Aug 28 - Wed, Sep 2
Scandinavian Airlines Logo
10:28 am - 10:50 am
ORD
-
TLL
16h 22m
2 stops
Scandinavian Airlines Logo
8:50 pm - 4:10 pm
TLL
-
ORD
27h 20m
2 stops
$742Scandinavian Airlines
Sat, Aug 22 - Sun, Aug 30
Scandinavian Airlines Logo
7:25 pm - 10:50 am
ORD
-
TLL
31h 25m
2 stops
Scandinavian Airlines Logo
11:20 am - 4:10 pm
TLL
-
ORD
12h 50m
1 stop
$781Scandinavian Airlines
Fri, Aug 28 - Wed, Sep 2
Lufthansa Logo
10:30 pm - 12:35 am
ORD
-
TLL
18h 05m
1 stop
Lufthansa Logo
6:10 am - 12:55 pm
TLL
-
ORD
14h 45m
1 stop
$804Lufthansa
Mon, Jul 6 - Tue, Jul 21
Lufthansa Logo
10:30 pm - 12:35 am
ORD
-
TLL
18h 05m
1 stop
Lufthansa Logo
6:10 am - 12:55 pm
TLL
-
ORD
14h 45m
1 stop
$822Lufthansa
Mon, Jul 13 - Tue, Jul 21
United Airlines Logo
1:30 pm - 1:05 pm
ORD
-
TLL
15h 35m
2 stops
United Airlines Logo
6:10 am - 7:55 pm
TLL
-
ORD
21h 45m
1 stop
$838United Airlines
Mon, Jul 6 - Tue, Jul 21
Multiple Airlines Logo
10:30 pm - 12:35 am
ORD
-
TLL
18h 05m
1 stop
Multiple Airlines Logo
7:30 am - 8:05 pm
TLL
-
ORD
20h 35m
2 stops
$840Multiple Airlines
Mon, Jul 6 - Tue, Jul 14

United Airlines flights from Chicago to Estonia

Our best United Airlines deals on Chicago to Estonia flight tickets
United Airlines
Jul 6
ORD1:30 pmChicago O'Hare Intl
15h 35m
2 stops
TLL1:05 pmTallinn
Jul 21
TLL6:10 amTallinn
21h 45m
1 stop
ORD7:55 pmChicago O'Hare Intl
$838
United Airlines
Jul 6
ORD1:30 pmChicago O'Hare Intl
15h 35m
2 stops
TLL1:05 pmTallinn
Jul 21
TLL6:10 amTallinn
36h 06m
2 stops
ORD10:16 amChicago O'Hare Intl
$841
United Airlines
Jul 6
ORD10:30 pmChicago O'Hare Intl
18h 05m
1 stop
TLL12:35 amTallinn
Jul 21
TLL6:10 amTallinn
36h 06m
2 stops
ORD10:16 amChicago O'Hare Intl
$842

Lufthansa flights from Chicago to Estonia

Our best Lufthansa deals on Chicago to Estonia flight tickets
Lufthansa
Nov 3
ORD4:20 pmChicago O'Hare Intl
16h 50m
1 stop
TLL5:10 pmTallinn
Feb 9
TLL6:35 amTallinn
21h 30m
1 stop
ORD8:05 pmChicago O'Hare Intl
$699
Lufthansa
Jul 6
ORD10:30 pmChicago O'Hare Intl
18h 05m
1 stop
TLL12:35 amTallinn
Jul 21
TLL6:10 amTallinn
14h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
$804
Lufthansa
Jul 13
ORD10:30 pmChicago O'Hare Intl
18h 05m
1 stop
TLL12:35 amTallinn
Jul 21
TLL6:10 amTallinn
14h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
$822

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 1, 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

Sat 8/22

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sun 8/30

3:50 pm-4:10 pm

1 stop32h 20m

$705

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/22

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sun 8/30

8:50 pm-4:10 pm

2 stops27h 20m

$706

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 8/28

7:25 pm-10:50 am

2 stops31h 25m

Tallinn

Wed 9/2

6:15 am-10:39 pm

2 stops24h 24m

$719
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 8/28

9:30 pm-8:55 pm

1 stop15h 25m

Tallinn

Wed 9/2

12:50 pm-5:50 pm

1 stop13h 00m

$733

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/22

10:28 am-10:50 am

2 stops16h 22m

Tallinn

Sun 8/30

8:50 pm-4:10 pm

2 stops27h 20m

$742

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 8/28

7:25 pm-10:50 am

2 stops31h 25m

Tallinn

Wed 9/2

11:20 am-4:10 pm

1 stop12h 50m

$781

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 7/6

10:30 pm-12:35 am

1 stop18h 05m

Tallinn

Tue 7/21

6:10 am-12:55 pm

1 stop14h 45m

$804

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 7/13

10:30 pm-12:35 am

1 stop18h 05m

Tallinn

Tue 7/21

6:10 am-12:55 pm

1 stop14h 45m

$822

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 7/6

1:30 pm-1:05 pm

2 stops15h 35m

Tallinn

Tue 7/21

6:10 am-7:55 pm

1 stop21h 45m

$838

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 7/6

10:30 pm-12:35 am

1 stop18h 05m

Tallinn

Tue 7/14

7:30 am-8:05 pm

2 stops20h 35m

$840

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 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
1,804 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,035 reviews
Search Lufthansa flights
FinnairPriceFrom $785Free CancellationRating
7.7
1,401 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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