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Cheap flights from Chicago to Estonia from $517

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 5/26. 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
10:28 am - 10:50 am
ORD
-
TLL
16h 22m
2 stops
Scandinavian Airlines Logo
3:50 pm - 10:06 pm
TLL
-
ORD
38h 16m
2 stops
$761Scandinavian Airlines
Sat, Aug 15 - Mon, Aug 31
Scandinavian Airlines Logo
7:30 am - 10:50 am
ORD
-
TLL
19h 20m
2 stops
Scandinavian Airlines Logo
3:50 pm - 4:10 pm
TLL
-
ORD
32h 20m
1 stop
$762Scandinavian Airlines
Sat, Aug 15 - Mon, Aug 31
Lufthansa Logo
9:16 pm - 1:05 pm
ORD
-
TLL
31h 49m
2 stops
Lufthansa Logo
1:50 pm - 12:55 pm
TLL
-
ORD
31h 05m
1 stop
$764Lufthansa
Sat, Aug 15 - Mon, Aug 31
Lufthansa Logo
9:16 pm - 1:05 pm
ORD
-
TLL
31h 49m
2 stops
Lufthansa Logo
5:55 pm - 7:55 pm
TLL
-
ORD
34h 00m
1 stop
$765Lufthansa
Sat, Aug 15 - Mon, Aug 31
Scandinavian Airlines Logo
7:30 am - 10:50 am
ORD
-
TLL
19h 20m
2 stops
Scandinavian Airlines Logo
3:50 pm - 10:06 pm
TLL
-
ORD
38h 16m
2 stops
$768Scandinavian Airlines
Sat, Aug 15 - Mon, Aug 31
Turkish Airlines Logo
11:25 am - 10:20 am
ORD
-
TLL
14h 55m
1 stop
Turkish Airlines Logo
7:35 pm - 6:15 pm
TLL
-
ORD
30h 40m
1 stop
$781Turkish Airlines
Sat, Aug 15 - Mon, Aug 31
Lufthansa Logo
10:30 pm - 12:25 am
ORD
-
TLL
17h 55m
1 stop
Lufthansa Logo
1:50 pm - 12:55 pm
TLL
-
ORD
31h 05m
1 stop
$801Lufthansa
Sat, Aug 15 - Mon, Aug 31
Multiple Airlines Logo
7:05 pm - 1:35 am
ORD
-
TLL
22h 30m
1 stop
Multiple Airlines Logo
1:50 pm - 12:55 pm
TLL
-
ORD
31h 05m
1 stop
$802Multiple Airlines
Sat, Aug 15 - Mon, Aug 31
Lufthansa Logo
10:30 pm - 12:25 am
ORD
-
TLL
17h 55m
1 stop
Lufthansa Logo
1:50 pm - 12:55 pm
TLL
-
ORD
31h 05m
1 stop
$808Lufthansa
Sat, Aug 15 - Mon, Aug 31
United Airlines Logo
4:05 pm - 1:10 pm
ORD
-
TLL
13h 05m
1 stop
United Airlines Logo
6:10 am - 11:40 pm
TLL
-
ORD
25h 30m
2 stops
$810United Airlines
Wed, Aug 12 - Mon, Aug 17

KLM flights from Chicago to Estonia

Our best KLM deals on Chicago to Estonia flight tickets
KLM
Jul 16
ORD4:20 pmChicago O'Hare Intl
19h 35m
1 stop
TLL7:55 pmTallinn
Aug 4
TLL7:30 amTallinn
14h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,030
KLM
Jul 19
ORD2:07 pmChicago O'Hare Intl
15h 08m
2 stops
TLL1:15 pmTallinn
Jul 26
TLL7:30 amTallinn
16h 53m
2 stops
ORD4:23 pmChicago O'Hare Intl
$1,031
KLM
Jul 19
ORD2:07 pmChicago O'Hare Intl
15h 08m
2 stops
TLL1:15 pmTallinn
Jul 26
TLL7:30 amTallinn
16h 53m
2 stops
ORD4:23 pmChicago O'Hare Intl
$1,032

United Airlines flights from Chicago to Estonia

Our best United Airlines deals on Chicago to Estonia flight tickets
United Airlines
Aug 12
ORD4:05 pmChicago O'Hare Intl
13h 05m
1 stop
TLL1:10 pmTallinn
Aug 17
TLL6:10 amTallinn
25h 30m
2 stops
ORD11:40 pmChicago O'Hare Intl
$810
United Airlines
Jul 23
ORD7:15 amChicago O'Hare Intl
22h 15m
2 stops
TLL1:30 pmTallinn
Jul 30
TLL5:55 amTallinn
13h 05m
1 stop
ORD11:00 amChicago O'Hare Intl
$903
United Airlines
Jun 17
ORD3:55 pmChicago O'Hare Intl
24h 20m
2 stops
TLL12:15 amTallinn
Jun 24
TLL6:10 amTallinn
16h 45m
1 stop
ORD2:55 pmChicago O'Hare Intl
$910

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 May 21, 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 8/15

10:28 am-10:50 am

2 stops16h 22m

Tallinn

Mon 8/31

3:50 pm-10:06 pm

2 stops38h 16m

$761

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

7:30 am-10:50 am

2 stops19h 20m

Tallinn

Mon 8/31

3:50 pm-4:10 pm

1 stop32h 20m

$762

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

9:16 pm-1:05 pm

2 stops31h 49m

Tallinn

Mon 8/31

1:50 pm-12:55 pm

1 stop31h 05m

$764

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

9:16 pm-1:05 pm

2 stops31h 49m

Tallinn

Mon 8/31

5:55 pm-7:55 pm

1 stop34h 00m

$765

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

7:30 am-10:50 am

2 stops19h 20m

Tallinn

Mon 8/31

3:50 pm-10:06 pm

2 stops38h 16m

$768

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

11:25 am-10:20 am

1 stop14h 55m

Tallinn

Mon 8/31

7:35 pm-6:15 pm

1 stop30h 40m

$781

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

10:30 pm-12:25 am

1 stop17h 55m

Tallinn

Mon 8/31

1:50 pm-12:55 pm

1 stop31h 05m

$801

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

7:05 pm-1:35 am

1 stop22h 30m

Tallinn

Mon 8/31

1:50 pm-12:55 pm

1 stop31h 05m

$802

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

10:30 pm-12:25 am

1 stop17h 55m

Tallinn

Mon 8/31

1:50 pm-12:55 pm

1 stop31h 05m

$808
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/12

4:05 pm-1:10 pm

1 stop13h 05m

Tallinn

Mon 8/17

6:10 am-11:40 pm

2 stops25h 30m

$810

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

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

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
1,783 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,018 reviews
Search Lufthansa flights
FinnairPriceFrom $817Free CancellationRating
7.7
1,398 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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Find better results for your trip to Estonia

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