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Cheap flights from Chicago to Estonia from $378

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 8/22. 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

Discover deals from 900+ travel sites with momondo.

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
$633Turkish Airlines
Wed, May 6 - Thu, May 14
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
$733Turkish Airlines
Sat, Aug 15 - Mon, Aug 31
Multiple Airlines Logo
7:05 pm - 1:35 am
ORD
-
TLL
22h 30m
1 stop
Multiple Airlines Logo
6:00 am - 7:36 pm
TLL
-
ORD
21h 36m
2 stops
$743Multiple Airlines
Wed, Aug 12 - Mon, Aug 17
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
$762Turkish Airlines
Sat, Aug 15 - Mon, Aug 31
Multiple Airlines Logo
2:20 pm - 1:35 am
ORD
-
TLL
27h 15m
1 stop
Multiple Airlines Logo
4:40 pm - 5:50 pm
TLL
-
ORD
33h 10m
1 stop
$771Multiple Airlines
Wed, Aug 12 - Mon, Aug 17
Multiple Airlines Logo
10:35 pm - 10:50 pm
ORD
-
TLL
16h 15m
2 stops
Multiple Airlines Logo
6:00 am - 9:02 pm
TLL
-
ORD
23h 02m
2 stops
$773Multiple Airlines
Wed, Aug 12 - Mon, Aug 17
United Airlines Logo
7:45 pm - 1:05 pm
ORD
-
TLL
33h 20m
2 stops
United Airlines Logo
1:50 pm - 8:05 pm
TLL
-
ORD
38h 15m
2 stops
$776United 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 - 9:40 am
TLL
-
ORD
22h 05m
1 stop
$780Turkish Airlines
Sat, Aug 15 - Mon, Aug 31
Multiple Airlines Logo
9:30 pm - 8:55 pm
ORD
-
TLL
15h 25m
1 stop
Multiple Airlines Logo
4:10 pm - 5:50 pm
TLL
-
ORD
33h 40m
1 stop
$807Multiple Airlines
Wed, Aug 12 - Mon, Aug 17
Multiple Airlines Logo
9:30 pm - 12:50 am
ORD
-
TLL
19h 20m
1 stop
Multiple Airlines Logo
7:45 pm - 9:02 pm
TLL
-
ORD
33h 17m
2 stops
$810Multiple Airlines
Thu, Aug 13 - Sun, Aug 16

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United Airlines flights from Chicago to Estonia

Our best United Airlines deals on Chicago to Estonia flight tickets
United Airlines
Aug 15
ORD7:45 pmChicago O'Hare Intl
33h 20m
2 stops
TLL1:05 pmTallinn
Aug 31
TLL1:50 pmTallinn
38h 15m
2 stops
ORD8:05 pmChicago O'Hare Intl
$775
United Airlines
Aug 15
ORD7:45 pmChicago O'Hare Intl
33h 20m
2 stops
TLL1:05 pmTallinn
Aug 31
TLL1:50 pmTallinn
38h 15m
2 stops
ORD8:05 pmChicago O'Hare Intl
$776
United Airlines
Aug 15
ORD7:45 pmChicago O'Hare Intl
33h 20m
2 stops
TLL1:05 pmTallinn
Aug 31
TLL6:10 amTallinn
12h 50m
1 stop
ORD11:00 amChicago O'Hare Intl
$811

Finnair flights from Chicago to Estonia

Our best Finnair deals on Chicago to Estonia flight tickets
Finnair
Jul 28
ORD9:30 pmChicago O'Hare Intl
17h 20m
1 stop
TLL10:50 pmTallinn
Aug 11
TLL11:15 pmTallinn
26h 20m
2 stops
ORD5:35 pmChicago O'Hare Intl
$805
Finnair
May 3
ORD9:30 pmChicago O'Hare Intl
15h 25m
1 stop
TLL8:55 pmTallinn
May 10
TLL10:10 amTallinn
15h 40m
1 stop
ORD5:50 pmChicago O'Hare Intl
$847
Finnair
Aug 12
ORD5:30 pmChicago O'Hare Intl
14h 15m
2 stops
TLL3:45 pmTallinn
Aug 17
TLL11:15 pmTallinn
26h 20m
2 stops
ORD5:35 pmChicago O'Hare Intl
$848

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 April 22, 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

Wed 5/6

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Thu 5/14

7:35 pm-9:40 am

1 stop22h 05m

$633
Quickest round-trip

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-9:40 am

1 stop22h 05m

$733

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/12

7:05 pm-1:35 am

1 stop22h 30m

Tallinn

Mon 8/17

6:00 am-7:36 pm

2 stops21h 36m

$743

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Mon 8/31

7:35 pm-9:40 am

1 stop22h 05m

$762

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/12

2:20 pm-1:35 am

1 stop27h 15m

Tallinn

Mon 8/17

4:40 pm-5:50 pm

1 stop33h 10m

$771

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/12

10:35 pm-10:50 pm

2 stops16h 15m

Tallinn

Mon 8/17

6:00 am-9:02 pm

2 stops23h 02m

$773

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 8/15

7:45 pm-1:05 pm

2 stops33h 20m

Tallinn

Mon 8/31

1:50 pm-8:05 pm

2 stops38h 15m

$776

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-9:40 am

1 stop22h 05m

$780

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 8/12

9:30 pm-8:55 pm

1 stop15h 25m

Tallinn

Mon 8/17

4:10 pm-5:50 pm

1 stop33h 40m

$807

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 8/13

9:30 pm-12:50 am

1 stop19h 20m

Tallinn

Sun 8/16

7:45 pm-9:02 pm

2 stops33h 17m

$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 $488, 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 March is your next best option. Flight prices from Chicago to Estonia during March average around $488.

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

14h 53m

Direct flights

None
The fastest flight from Chicago to Estonia takes 14h 53m
There are no direct flights from Chicago to Estonia. There are no popular flight routes from Chicago to Estonia.
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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
7.3
1,751 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,616 reviews
Search United Airlines flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,938 reviews
Search Lufthansa flights
FinnairPriceFrom $719Free CancellationRating
7.7
1,390 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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