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

Scandinavian Airlines is the most popular carrier operating from Chicago to Estonia

What airlines fly to Estonia?

Scandinavian Airlines, United Airlines and Lufthansa 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 42% 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.

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.

$317 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 - 1:30 am-

22h 15m

6:15 am - 4:10 pm-

17h 55m

$648Scandinavian Airlines

Thu, Sep 24 - Sat, Oct 10

7:15 pm - 1:30 am-

22h 15m

6:25 am - 4:10 pm-

17h 45m

$653Scandinavian Airlines

Thu, Sep 24 - Sat, Oct 10

10:25 pm - 10:40 am-

28h 15m

7:55 am - 5:50 pm-

17h 55m

$663Multiple Airlines

Wed, Sep 16 - Thu, Sep 24

7:25 pm - 7:50 am-

28h 25m

7:55 am - 5:50 pm-

17h 55m

$671Multiple Airlines

Fri, Oct 2 - Mon, Oct 12

9:30 pm - 4:55 pm-

11h 25m

9:20 pm - 3:00 pm-

25h 40m

$824Finnair

Fri, Oct 2 - Mon, Oct 12

8:42 am - 1:05 pm-

20h 23m

1:50 pm - 7:55 pm-

14h 05m

$831United Airlines

Sun, Sep 13 - Tue, Sep 22

10:30 pm - 12:35 am-

18h 05m

6:10 am - 7:48 pm-

21h 38m

$834United Airlines

Sun, Sep 13 - Fri, Sep 25

8:50 pm - 10:50 pm-

18h 00m

9:20 pm - 3:00 pm-

25h 40m

$859Finnair

Fri, Oct 2 - Mon, Oct 12

9:40 pm - 12:35 am-

18h 55m

5:55 pm - 12:55 pm-

27h 00m

$872Lufthansa

Mon, Sep 14 - Mon, Sep 21

9:40 pm - 12:35 am-

18h 55m

6:10 am - 7:46 pm-

21h 36m

$922Lufthansa

Sun, Sep 13 - Sat, Sep 26

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Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets

Scandinavian Airlines

Sep 24

ORD7:15 pmChicago O'Hare Intl

22h 15m

1 stop

TLL1:30 amTallinn

Oct 10

TLL6:15 amTallinn

17h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

$648

Scandinavian Airlines

Sep 24

ORD7:15 pmChicago O'Hare Intl

22h 15m

1 stop

TLL1:30 amTallinn

Oct 10

TLL6:25 amTallinn

17h 45m

2 stops

ORD4:10 pmChicago O'Hare Intl

$653

Scandinavian Airlines

Oct 23

ORD7:15 pmChicago O'Hare Intl

22h 15m

1 stop

TLL1:30 amTallinn

Oct 31

TLL6:25 amTallinn

18h 20m

1 stop

ORD5:45 pmChicago O'Hare Intl

$657

Turkish Airlines flights from Chicago to Estonia

Our best Turkish Airlines deals on Chicago to Estonia flight tickets

Turkish Airlines

Sep 15

ORD11:25 amChicago O'Hare Intl

14h 55m

1 stop

TLL10:20 amTallinn

Sep 22

TLL7:40 pmTallinn

22h 00m

1 stop

ORD9:40 amChicago O'Hare Intl

$699

Turkish Airlines

Sep 15

ORD11:25 amChicago O'Hare Intl

14h 55m

1 stop

TLL10:20 amTallinn

Sep 22

TLL7:40 pmTallinn

22h 00m

1 stop

ORD9:40 amChicago O'Hare Intl

$700

Turkish Airlines

Sep 14

ORD8:10 pmChicago O'Hare Intl

30h 10m

1 stop

TLL10:20 amTallinn

Sep 21

TLL11:15 amTallinn

30h 25m

1 stop

ORD9:40 amChicago O'Hare Intl

$720

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 9/24

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Sat 10/10

6:15 am-4:10 pm

1 stop17h 55m

$648

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 9/24

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Sat 10/10

6:25 am-4:10 pm

2 stops17h 45m

$653

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/16

10:25 pm-10:40 am

2 stops28h 15m

Tallinn

Thu 9/24

7:55 am-5:50 pm

1 stop17h 55m

$663

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 10/2

7:25 pm-7:50 am

2 stops28h 25m

Tallinn

Mon 10/12

7:55 am-5:50 pm

1 stop17h 55m

$671

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 10/2

9:30 pm-4:55 pm

1 stop11h 25m

Tallinn

Mon 10/12

9:20 pm-3:00 pm

2 stops25h 40m

$824

Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 9/13

8:42 am-1:05 pm

2 stops20h 23m

Tallinn

Tue 9/22

1:50 pm-7:55 pm

1 stop14h 05m

$831

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 9/13

10:30 pm-12:35 am

1 stop18h 05m

Tallinn

Fri 9/25

6:10 am-7:48 pm

2 stops21h 38m

$834

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 10/2

8:50 pm-10:50 pm

2 stops18h 00m

Tallinn

Mon 10/12

9:20 pm-3:00 pm

2 stops25h 40m

$859

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 9/14

9:40 pm-12:35 am

2 stops18h 55m

Tallinn

Mon 9/21

5:55 pm-12:55 pm

1 stop27h 00m

$872

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 9/13

9:40 pm-12:35 am

2 stops18h 55m

Tallinn

Sat 9/26

6:10 am-7:46 pm

2 stops21h 36m

$922

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 March. Flight prices, which tend to average around $492, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in March, then April is your next best option. Flight prices from Chicago to Estonia during April average around $496.

Can stopping save me money on Chicago to Estonia flights?

You could potentially save up to 51% 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

Fastest flight time	12h 00m
Direct flights	None

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 $434	Free Cancellation	Rating 7.4 1,923 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 10,060 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 8,177 reviews	Search Lufthansa flights
Finnair	PriceFrom $785	Free Cancellation	Rating 7.7 1,425 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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Popular cities in Estonia

Flights to Tallinnfrom $537

Flights to Tartufrom $662

Flights to Kuressaare

Cheap flights from Chicago to Estonia from $318

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 8/24. 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

Turkish Airlines flights from Chicago to Estonia

Our best Turkish Airlines 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

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

Cabin classes currently available on flights to Estonia

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

Complete your trip to Estonia

Explore popular destinations other users love

According to popular flight searches on momondo this year