What airlines fly to Estonia?

Scandinavian Airlines, United Airlines and Finnair are the top three most popular airlines that fly to Estonia from Chicago according to our data. Scandinavian Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Estonia. Keep in mind that there are 4 different airlines that fly to Estonia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Chicago to Estonia?

United Airlines, Lufthansa, and Scandinavian Airlines are the most popular carriers operating 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?

The number of operators available for flights from Chicago to Estonia is 4 as of August 2026.

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.

$322 Cheap Flights from Chicago to Estonia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Estonia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 3:15 pmORD Chicago O'Hare Intl-TLL Tallinn

12h 00m1 stop Kastrup Copenhagen

6:15 am - 4:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

17h 55m1 stop Kastrup Copenhagen

$629Scandinavian Airlines

Sun, Oct 11 - Sun, Oct 18

7:15 pm - 11:50 pmORD Chicago O'Hare Intl-TLL Tallinn

20h 35m2 stops Kastrup Copenhagen Stockholm Arlanda

6:15 am - 4:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

17h 55m1 stop Kastrup Copenhagen

$630Scandinavian Airlines

Sun, Oct 11 - Sun, Oct 18

7:15 pm - 1:20 pmORD Chicago O'Hare Intl-TLL Tallinn

34h 05m3 stops Kastrup Copenhagen Stockholm Arlanda Riga Intl

12:00 am - 4:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

24h 10m2 stops Stockholm Arlanda Kastrup Copenhagen

$661Multiple Airlines

Mon, Oct 12 - Sun, Oct 18

7:15 pm - 12:35 amORD Chicago O'Hare Intl-TLL Tallinn

21h 20m3 stops Kastrup Copenhagen Stockholm Arlanda Riga Intl

12:00 am - 4:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

24h 10m2 stops Stockholm Arlanda Kastrup Copenhagen

$663Multiple Airlines

Mon, Oct 12 - Sun, Oct 18

6:05 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

15h 05m1 stop Frankfurt am Main

1:45 pm - 9:45 amTLL Tallinn-ORD Chicago O'Hare Intl

28h 00m2 stops Frankfurt am Main Toronto Pearson Intl

$758United Airlines

Tue, Jan 12 - Fri, Jan 22

4:20 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

16h 50m1 stop Frankfurt am Main

1:45 pm - 9:08 amTLL Tallinn-ORD Chicago O'Hare Intl

27h 23m2 stops Frankfurt am Main Toronto Pearson Intl

$758United Airlines

Wed, Jan 13 - Fri, Jan 22

2:40 pm - 1:00 pmORD Chicago O'Hare Intl-TLL Tallinn

38h 20m2 stops Detroit Metropolitan Wayne County Frankfurt am Main

5:55 pm - 2:46 pmTLL Tallinn-ORD Chicago O'Hare Intl

52h 51m2 stops Frankfurt am Main Detroit Metropolitan Wayne County

$802Lufthansa

Sat, Jan 16 - Thu, Jan 21

7:58 pm - 5:10 pmORD Chicago O'Hare Intl-TLL Tallinn

37h 12m2 stops Detroit Metropolitan Wayne County Frankfurt am Main

5:55 pm - 2:46 pmTLL Tallinn-ORD Chicago O'Hare Intl

52h 51m2 stops Frankfurt am Main Detroit Metropolitan Wayne County

$802Lufthansa

Mon, Jan 18 - Thu, Jan 21

9:30 pm - 12:40 amORD Chicago O'Hare Intl-TAY Tartu

19h 10m1 stop Helsinki-Vantaa

5:40 am - 12:30 pmTAY Tartu-ORD Chicago O'Hare Intl

38h 50m2 stops Helsinki-Vantaa London Heathrow

$944Finnair

Mon, Oct 12 - Mon, Oct 19

9:30 pm - 12:40 amORD Chicago O'Hare Intl-TAY Tartu

19h 10m2 stops Paris Charles de Gaulle Helsinki-Vantaa

5:40 am - 3:00 pmTAY Tartu-ORD Chicago O'Hare Intl

41h 20m2 stops Helsinki-Vantaa London Heathrow

$963Finnair

Mon, Oct 12 - Mon, Oct 19

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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 11

ORD7:15 pmChicago O'Hare Intl

12h 00m

1 stop

TLL3:15 pmTallinn

Oct 18

TLL6:15 amTallinn

17h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

$629

Scandinavian Airlines

Oct 11

ORD7:15 pmChicago O'Hare Intl

20h 35m

2 stops

TLL11:50 pmTallinn

Oct 18

TLL6:15 amTallinn

17h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

$630

Scandinavian Airlines

Oct 11

ORD7:15 pmChicago O'Hare Intl

20h 35m

2 stops

TLL11:50 pmTallinn

Oct 18

TLL6:15 amTallinn

17h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

$637

Air Canada flights from Chicago to Estonia

Our best Air Canada deals on Chicago to Estonia flight tickets

Air Canada

Jan 12

ORD1:55 pmChicago O'Hare Intl

15h 25m

2 stops

TLL1:20 pmTallinn

Jan 27

TLL7:10 amTallinn

15h 42m

2 stops

ORD2:52 pmChicago O'Hare Intl

$746

Air Canada

Sep 13

ORD11:05 amChicago O'Hare Intl

18h 00m

2 stops

TLL1:05 pmTallinn

Sep 29

TLL7:30 amTallinn

17h 28m

2 stops

ORD4:58 pmChicago O'Hare Intl

$926

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Sun 10/11

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sun 10/18

6:15 am-4:10 pm

1 stop17h 55m

$629

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Sun 10/11

7:15 pm-11:50 pm

2 stops20h 35m

Tallinn

Sun 10/18

6:15 am-4:10 pm

1 stop17h 55m

$630

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 10/12

7:15 pm-1:20 pm

3 stops34h 05m

Tallinn

Sun 10/18

12:00 am-4:10 pm

2 stops24h 10m

$661

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 10/12

7:15 pm-12:35 am

3 stops21h 20m

Tallinn

Sun 10/18

12:00 am-4:10 pm

2 stops24h 10m

$663

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Tue 1/12

6:05 pm-5:10 pm

1 stop15h 05m

Tallinn

Fri 1/22

1:45 pm-9:45 am

2 stops28h 00m

$758

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Wed 1/13

4:20 pm-5:10 pm

1 stop16h 50m

Tallinn

Fri 1/22

1:45 pm-9:08 am

2 stops27h 23m

$758

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Sat 1/16

2:40 pm-1:00 pm

2 stops38h 20m

Tallinn

Thu 1/21

5:55 pm-2:46 pm

2 stops52h 51m

$802

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mon 1/18

7:58 pm-5:10 pm

2 stops37h 12m

Tallinn

Thu 1/21

5:55 pm-2:46 pm

2 stops52h 51m

$802

ChicagoTartu

ORD Chicago O'Hare Intl - TAY Tartu

ORDTAY

Chicago O'Hare Intl

Mon 10/12

9:30 pm-12:40 am

1 stop19h 10m

Tartu

Mon 10/19

5:40 am-12:30 pm

2 stops38h 50m

$944

ChicagoTartu

ORD Chicago O'Hare Intl - TAY Tartu

ORDTAY

Chicago O'Hare Intl

Mon 10/12

9:30 pm-12:40 am

2 stops19h 10m

Tartu

Mon 10/19

5:40 am-3:00 pm

2 stops41h 20m

$963

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Estonia?

The cheapest month to fly to Estonia from Chicago is in April. Flight prices, which tend to average around $489, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in April, then March is your next best option. Flight prices from Chicago to Estonia during March average around $492.

Can stopping save me money on Chicago to Estonia flights?

You could potentially save up to 8% on your flight if you consider stops on a Chicago to Estonia flight.

Cheap Chicago to Estonia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Estonia

Best Price Found	$322
Fastest flight time	12h 00m
Direct flights	None

The best one-way flight to Estonia from Chicago in the past 72 hours is $322. The best round-trip flight deal from Chicago to Estonia found on momondo in the last 72 hours is $629.

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?
The number of operators available for flights from Chicago to Estonia is 4 as of August 2026.
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 Airlines	PriceFrom $437	Free Cancellation	Rating 7.4 1,970 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 10,147 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 8,228 reviews	Search Lufthansa flights
Finnair	PriceFrom $785	Free Cancellation	Rating 7.6 1,430 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Flights to Tallinnfrom $587

Flights to Tartufrom $662

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Cheap flights from Chicago to Estonia from $322

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets

Air Canada flights from Chicago to Estonia

Our best Air Canada deals on Chicago to Estonia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Estonia that are best for you.

See travel insights to Estonia from

How to get the cheapest flight ticket from Chicago to Estonia

What is the cheapest month to fly to Estonia?

Can stopping save me money on Chicago to Estonia flights?

What is the cheapest airline that flies from Chicago to Estonia?

What airlines fly to Estonia?

Cheap Chicago to Estonia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Estonia

Best airlines flying from Chicago to Estonia

Compare and see reviews for airlines that fly from Chicago to Estonia with momondo

Why use momondo?

An easier way to manage your Estonia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Estonia

Popular cities in Estonia

Popular flights according to clicks in the last 7 days on momondo

Chicago flight routes

According to popular flight searches on momondo this year

Estonia flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Estonia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Estonia. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year