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Cheap flights from Chicago to Estonia from $255

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 5/19. 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
7:20 pm - 3:10 pm
ORD
-
TLL
11h 50m
1 stop
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m
1 stop
$440Scandinavian Airlines
vie., feb. 6 - sáb., feb. 14
Scandinavian Airlines Logo
7:20 pm - 11:35 pm
ORD
-
TLL
44h 15m
2 stops
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$448Scandinavian Airlines
vie., feb. 6 - sáb., feb. 14
LOT Logo
9:55 pm - 11:40 pm
ORD
-
TLL
17h 45m
1 stop
LOT Logo
2:05 pm - 8:00 pm
TLL
-
ORD
13h 55m
1 stop
$451LOT
vie., feb. 13 - dom., feb. 15
LOT Logo
9:55 pm - 5:50 pm
ORD
-
TLL
11h 55m
1 stop
LOT Logo
2:05 pm - 9:00 pm
TLL
-
ORD
13h 55m
1 stop
$460LOT
vie., mar. 6 - vie., mar. 13
LOT Logo
9:50 pm - 1:40 am
ORD
-
TLL
19h 50m
1 stop
LOT Logo
2:20 pm - 7:50 pm
TLL
-
ORD
13h 30m
1 stop
$462LOT
dom., abr. 26 - dom., may. 3
Scandinavian Airlines Logo
7:20 pm - 11:35 pm
ORD
-
TLL
44h 15m
2 stops
Scandinavian Airlines Logo
4:20 pm - 4:55 pm
TLL
-
ORD
32h 35m
2 stops
$480Scandinavian Airlines
vie., feb. 6 - sáb., feb. 14
LOT Logo
5:10 pm - 5:45 pm
ORD
-
TLL
16h 35m
1 stop
LOT Logo
2:20 pm - 7:50 pm
TLL
-
ORD
37h 30m
2 stops
$496LOT
dom., abr. 26 - dom., may. 3
Scandinavian Airlines Logo
7:20 pm - 11:35 pm
ORD
-
TLL
20h 15m
2 stops
Scandinavian Airlines Logo
6:50 am - 4:55 pm
TLL
-
ORD
18h 05m
2 stops
$532Scandinavian Airlines
vie., feb. 13 - dom., feb. 15
United Airlines Logo
7:16 am - 5:00 pm
ORD
-
TLL
25h 44m
2 stops
United Airlines Logo
6:05 am - 2:25 pm
TLL
-
ORD
15h 20m
1 stop
$544United Airlines
vie., mar. 6 - vie., mar. 13
United Airlines Logo
7:16 am - 5:00 pm
ORD
-
TLL
25h 44m
2 stops
United Airlines Logo
6:05 am - 11:18 am
TLL
-
ORD
36h 13m
2 stops
$547United Airlines
vie., mar. 6 - vie., mar. 13

LOT flights from Chicago to Estonia

Our best LOT deals on Chicago to Estonia flight tickets
LOT
Feb 13
ORD9:55 pmChicago O'Hare Intl
17h 45m
1 stop
TLL11:40 pmTallinn
Feb 15
TLL2:05 pmTallinn
13h 55m
1 stop
ORD8:00 pmChicago O'Hare Intl
$451
LOT
Mar 6
ORD9:55 pmChicago O'Hare Intl
11h 55m
1 stop
TLL5:50 pmTallinn
Mar 13
TLL2:05 pmTallinn
13h 55m
1 stop
ORD9:00 pmChicago O'Hare Intl
$460
LOT
Apr 26
ORD9:50 pmChicago O'Hare Intl
19h 50m
1 stop
TLL1:40 amTallinn
May 3
TLL2:20 pmTallinn
13h 30m
1 stop
ORD7:50 pmChicago O'Hare Intl
$462

United Airlines flights from Chicago to Estonia

Our best United Airlines deals on Chicago to Estonia flight tickets
United Airlines
Mar 6
ORD7:16 amChicago O'Hare Intl
25h 44m
2 stops
TLL5:00 pmTallinn
Mar 13
TLL6:05 amTallinn
15h 20m
1 stop
ORD2:25 pmChicago O'Hare Intl
$544
United Airlines
Mar 6
ORD7:16 amChicago O'Hare Intl
25h 44m
2 stops
TLL5:00 pmTallinn
Mar 13
TLL6:05 amTallinn
36h 13m
2 stops
ORD11:18 amChicago O'Hare Intl
$547
United Airlines
May 19
ORD9:55 amChicago O'Hare Intl
23h 20m
2 stops
TLL5:15 pmTallinn
May 28
TLL5:55 amTallinn
21h 30m
2 stops
ORD7:25 pmChicago O'Hare Intl
$565

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 enero 20, 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

vie. 2/6

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

sáb. 2/14

11:00 am-4:45 pm

1 stop13h 45m

$440

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 2/6

7:20 pm-11:35 pm

2 stops44h 15m

Tallinn

sáb. 2/14

6:25 am-4:45 pm

1 stop18h 20m

$448

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 2/13

9:55 pm-11:40 pm

1 stop17h 45m

Tallinn

dom. 2/15

2:05 pm-8:00 pm

1 stop13h 55m

$451

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 3/6

9:55 pm-5:50 pm

1 stop11h 55m

Tallinn

vie. 3/13

2:05 pm-9:00 pm

1 stop13h 55m

$460

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

dom. 4/26

9:50 pm-1:40 am

1 stop19h 50m

Tallinn

dom. 5/3

2:20 pm-7:50 pm

1 stop13h 30m

$462

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 2/6

7:20 pm-11:35 pm

2 stops44h 15m

Tallinn

sáb. 2/14

4:20 pm-4:55 pm

2 stops32h 35m

$480

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

dom. 4/26

5:10 pm-5:45 pm

1 stop16h 35m

Tallinn

dom. 5/3

2:20 pm-7:50 pm

2 stops37h 30m

$496

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 2/13

7:20 pm-11:35 pm

2 stops20h 15m

Tallinn

dom. 2/15

6:50 am-4:55 pm

2 stops18h 05m

$532

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 3/6

7:16 am-5:00 pm

2 stops25h 44m

Tallinn

vie. 3/13

6:05 am-2:25 pm

1 stop15h 20m

$544

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 3/6

7:16 am-5:00 pm

2 stops25h 44m

Tallinn

vie. 3/13

6:05 am-11:18 am

2 stops36h 13m

$547

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 $487, 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 October is your next best option. Flight prices from Chicago to Estonia during October average around $498.

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

11h 50m

Direct flights

None
The fastest flight from Chicago to Estonia takes 11h 50m
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
1,658 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,187 reviews
Search United Airlines flights
LufthansaPriceFrom $539Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
FinnairPriceFrom $678Free CancellationRating
7.6
1,351 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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