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Cheap flights from Chicago to Estonia from $391

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 9/4. 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
1 adult, Economy, 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.
Scandinavian Airlines Logo
7:15 pm - 1:30 am
ORD
-
TLL
22h 15m
1 stop
Scandinavian Airlines Logo
6:25 am - 5:45 pm
TLL
-
ORD
18h 20m
1 stop
$556Scandinavian Airlines
Wed, Oct 21 - Wed, Oct 28
Scandinavian Airlines Logo
7:15 pm - 1:25 am
ORD
-
TLL
22h 10m
1 stop
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$566Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 3:20 pm
ORD
-
TLL
12h 05m
1 stop
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m
2 stops
$572Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
TLL
20h 30m
2 stops
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m
2 stops
$576Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 1:25 am
ORD
-
TLL
22h 10m
1 stop
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$596Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 3:20 pm
ORD
-
TLL
12h 05m
1 stop
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m
2 stops
$603Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
TLL
20h 30m
2 stops
Scandinavian Airlines Logo
11:00 am - 4:45 pm
TLL
-
ORD
13h 45m
2 stops
$610Scandinavian Airlines
Sun, Nov 8 - Thu, Nov 12
Scandinavian Airlines Logo
7:00 am - 10:45 am
ORD
-
TLL
19h 45m
2 stops
Scandinavian Airlines Logo
7:10 am - 5:45 pm
TLL
-
ORD
17h 35m
2 stops
$615Scandinavian Airlines
Wed, Oct 21 - Wed, Oct 28
Finnair Logo
5:00 pm - 12:40 am
ORD
-
TAY
23h 40m
2 stops
Finnair Logo
5:40 am - 5:50 pm
TAY
-
ORD
20h 10m
1 stop
$1,108Finnair
Sun, Oct 18 - Wed, Oct 21
Finnair Logo
9:30 pm - 12:40 am
ORD
-
TAY
19h 10m
1 stop
Finnair Logo
5:40 am - 5:50 pm
TAY
-
ORD
20h 10m
1 stop
$1,111Finnair
Sun, Oct 18 - Wed, Oct 21

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Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets
Scandinavian Airlines
Oct 21
ORD7:15 pmChicago O'Hare Intl
22h 15m
1 stop
TLL1:30 amTallinn
Oct 28
TLL6:25 amTallinn
18h 20m
1 stop
ORD5:45 pmChicago O'Hare Intl
$556
Scandinavian Airlines
Nov 8
ORD7:15 pmChicago O'Hare Intl
22h 10m
1 stop
TLL1:25 amTallinn
Nov 12
TLL6:25 amTallinn
18h 20m
1 stop
ORD4:45 pmChicago O'Hare Intl
$566
Scandinavian Airlines
Nov 8
ORD7:15 pmChicago O'Hare Intl
12h 05m
1 stop
TLL3:20 pmTallinn
Nov 12
TLL11:00 amTallinn
13h 45m
2 stops
ORD4:45 pmChicago O'Hare Intl
$572

Air Canada flights from Chicago to Estonia

Our best Air Canada deals on Chicago to Estonia flight tickets
Air Canada
Aug 3
ORD3:40 pmChicago O'Hare Intl
20h 15m
2 stops
TLL7:55 pmTallinn
Aug 19
TLL7:30 amTallinn
17h 27m
2 stops
ORD4:57 pmChicago O'Hare Intl
$669
Air Canada
Aug 17
ORD3:40 pmChicago O'Hare Intl
19h 55m
2 stops
TLL7:35 pmTallinn
Aug 25
TLL7:30 amTallinn
20h 35m
2 stops
ORD8:05 pmChicago O'Hare Intl
$705
Air Canada
Aug 2
ORD11:05 amChicago O'Hare Intl
24h 50m
2 stops
TLL7:55 pmTallinn
Aug 12
TLL7:30 amTallinn
39h 25m
2 stops
ORD2:55 pmChicago O'Hare Intl
$801

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 12, 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 10/21

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Wed 10/28

6:25 am-5:45 pm

1 stop18h 20m

$556

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-1:25 am

1 stop22h 10m

Tallinn

Thu 11/12

6:25 am-4:45 pm

1 stop18h 20m

$566
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Thu 11/12

11:00 am-4:45 pm

2 stops13h 45m

$572

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-11:45 pm

2 stops20h 30m

Tallinn

Thu 11/12

11:00 am-4:45 pm

2 stops13h 45m

$576

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-1:25 am

1 stop22h 10m

Tallinn

Thu 11/12

6:25 am-4:45 pm

1 stop18h 20m

$596

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Thu 11/12

11:00 am-4:45 pm

2 stops13h 45m

$603

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/8

7:15 pm-11:45 pm

2 stops20h 30m

Tallinn

Thu 11/12

11:00 am-4:45 pm

2 stops13h 45m

$610

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 10/21

7:00 am-10:45 am

2 stops19h 45m

Tallinn

Wed 10/28

7:10 am-5:45 pm

2 stops17h 35m

$615

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 10/18

5:00 pm-12:40 am

2 stops23h 40m

Tartu

Wed 10/21

5:40 am-5:50 pm

1 stop20h 10m

$1,108

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 10/18

9:30 pm-12:40 am

1 stop19h 10m

Tartu

Wed 10/21

5:40 am-5:50 pm

1 stop20h 10m

$1,111

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

14h 55m

Direct flights

None
The fastest flight from Chicago to Estonia takes 14h 55m
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
7.4
1,818 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,810 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,056 reviews
Search Lufthansa flights
FinnairPriceFrom $785Free CancellationRating
7.7
1,406 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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