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

Scandinavian Airlines and Finnair are the most popular carriers operating from Illinois to Estonia

What airlines fly to Estonia?

Scandinavian Airlines, United Airlines and Finnair are the top three most popular airlines that fly to Estonia from Illinois according to our data. Scandinavian Airlines is the first choice among our users, with 40% 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 Illinois to Estonia?

Prices for flights from Illinois to Estonia were last updated today.

How many operators does momondo search for flights from Illinois to Estonia?

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

How old do you have to be to fly from Illinois 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 Illinois 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.

$338 Cheap Flights from Illinois to Estonia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois 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

$640Scandinavian Airlines

Fri, Oct 2 - Thu, Oct 15

7:15 pm - 11:10 pmORD Chicago O'Hare Intl-TLL Tallinn

19h 55m2 stops Kastrup Copenhagen Stockholm Arlanda

5:45 pm - 4:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

30h 25m2 stops Stockholm Arlanda Kastrup Copenhagen

$642Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

7:15 pm - 3:20 pmORD Chicago O'Hare Intl-TLL Tallinn

12h 05m1 stop Kastrup Copenhagen

6:25 am - 4:45 pmTLL Tallinn-ORD Chicago O'Hare Intl

18h 20m1 stop Kastrup Copenhagen

$649Scandinavian Airlines

Tue, Nov 3 - Tue, Nov 10

3:50 pm - 11:00 amORD Chicago O'Hare Intl-TLL Tallinn

59h 10m2 stops Orlando London Gatwick

12:50 pm - 5:50 pmTLL Tallinn-ORD Chicago O'Hare Intl

13h 00m1 stop Helsinki-Vantaa

$661Multiple Airlines

Fri, Oct 2 - Thu, Oct 15

9:30 pm - 8:55 pmORD Chicago O'Hare Intl-TLL Tallinn

15h 25m1 stop Helsinki-Vantaa

12:50 pm - 5:50 pmTLL Tallinn-ORD Chicago O'Hare Intl

13h 00m1 stop Helsinki-Vantaa

$754Finnair

Fri, Oct 2 - Thu, Oct 15

5:27 pm - 8:55 pmSTL Lambert-St Louis-TLL Tallinn

19h 28m2 stops Chicago O'Hare Intl Helsinki-Vantaa

7:25 am - 6:20 pmTLL Tallinn-STL Lambert-St Louis

18h 55m2 stops Helsinki-Vantaa Dallas/Fort Worth

$809Finnair

Wed, Oct 7 - Wed, Oct 14

12:10 pm - 1:10 pmSTL Lambert-St Louis-TLL Tallinn

17h 00m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

6:10 am - 1:25 pmTLL Tallinn-STL Lambert-St Louis

15h 15m1 stop Frankfurt am Main

$830United Airlines

Wed, Oct 7 - Wed, Oct 14

3:30 pm - 1:10 pmSTL Lambert-St Louis-TLL Tallinn

13h 40m1 stop Frankfurt am Main

6:10 am - 1:25 pmTLL Tallinn-STL Lambert-St Louis

15h 15m1 stop Frankfurt am Main

$868Lufthansa

Wed, Oct 7 - Wed, Oct 14

4:05 pm - 5:35 pmORD Chicago O'Hare Intl-TLL Tallinn

17h 30m1 stop Frankfurt am Main

1:55 pm - 7:55 pmTLL Tallinn-ORD Chicago O'Hare Intl

14h 00m1 stop Frankfurt am Main

$914United Airlines

Fri, Oct 2 - Thu, Oct 15

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

16h 50m1 stop Frankfurt am Main

5:55 pm - 1:10 pmTLL Tallinn-ORD Chicago O'Hare Intl

27h 15m1 stop Frankfurt am Main

$959Lufthansa

Thu, Dec 31 - Wed, Jan 6

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Scandinavian Airlines flights from Illinois to Estonia

Our best Scandinavian Airlines deals on Illinois to Estonia flight tickets

Scandinavian Airlines

Oct 2

ORD7:15 pmChicago O'Hare Intl

12h 00m

1 stop

TLL3:15 pmTallinn

Oct 15

TLL6:15 amTallinn

17h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

$640

Scandinavian Airlines

Oct 7

ORD7:15 pmChicago O'Hare Intl

20h 35m

2 stops

TLL11:50 pmTallinn

Oct 14

TLL6:15 amTallinn

17h 55m

1 stop

ORD4:10 pmChicago O'Hare Intl

$647

Scandinavian Airlines

Oct 17

ORD7:15 pmChicago O'Hare Intl

22h 15m

1 stop

TLL1:30 amTallinn

Oct 31

TLL11:10 amTallinn

13h 35m

1 stop

ORD5:45 pmChicago O'Hare Intl

$653

British Airways flights from Illinois to Estonia

Our best British Airways deals on Illinois to Estonia flight tickets

British Airways

Sep 8

STL9:35 pmLambert-St Louis

19h 15m

2 stops

TLL12:50 amTallinn

Sep 22

TLL6:00 amTallinn

21h 07m

2 stops

STL7:07 pmLambert-St Louis

$894

British Airways

Sep 18

STL9:35 pmLambert-St Louis

19h 15m

2 stops

TLL12:50 amTallinn

Oct 11

TLL10:10 amTallinn

18h 47m

2 stops

STL8:57 pmLambert-St Louis

$985

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fri 10/2

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Thu 10/15

6:15 am-4:10 pm

1 stop17h 55m

$640

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Tue 10/6

7:15 pm-11:10 pm

2 stops19h 55m

Tallinn

Tue 10/13

5:45 pm-4:10 pm

2 stops30h 25m

$642

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Tue 11/3

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Tue 11/10

6:25 am-4:45 pm

1 stop18h 20m

$649

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fri 10/2

3:50 pm-11:00 am

2 stops59h 10m

Tallinn

Thu 10/15

12:50 pm-5:50 pm

1 stop13h 00m

$661

Quickest round-trip

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fri 10/2

9:30 pm-8:55 pm

1 stop15h 25m

Tallinn

Thu 10/15

12:50 pm-5:50 pm

1 stop13h 00m

$754

St. LouisTallinn

STL Lambert-St Louis - TLL Tallinn

STLTLL

Lambert-St Louis

Wed 10/7

5:27 pm-8:55 pm

2 stops19h 28m

Tallinn

Wed 10/14

7:25 am-6:20 pm

2 stops18h 55m

$809

St. LouisTallinn

STL Lambert-St Louis - TLL Tallinn

STLTLL

Lambert-St Louis

Wed 10/7

12:10 pm-1:10 pm

2 stops17h 00m

Tallinn

Wed 10/14

6:10 am-1:25 pm

1 stop15h 15m

$830

St. LouisTallinn

STL Lambert-St Louis - TLL Tallinn

STLTLL

Lambert-St Louis

Wed 10/7

3:30 pm-1:10 pm

1 stop13h 40m

Tallinn

Wed 10/14

6:10 am-1:25 pm

1 stop15h 15m

$868

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fri 10/2

4:05 pm-5:35 pm

1 stop17h 30m

Tallinn

Thu 10/15

1:55 pm-7:55 pm

1 stop14h 00m

$914

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Thu 12/31

4:20 pm-5:10 pm

1 stop16h 50m

Tallinn

Wed 1/6

5:55 pm-1:10 pm

1 stop27h 15m

$959

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 Illinois 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 Illinois 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 Illinois to Estonia during March average around $492.

Can stopping save me money on Illinois to Estonia flights?

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

Cheap Illinois to Estonia flight deals and tips

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

Best Price Found	$338
Fastest flight time	12h 00m
Direct flights	None

The best one-way flight to Estonia from Illinois in the past 72 hours is $338. The best round-trip flight deal from Illinois to Estonia found on momondo in the last 72 hours is $640.

The fastest flight from Illinois to Estonia takes 12h 00m

There are no direct flights from Illinois to Estonia. There are no popular flight routes from Illinois to Estonia.

Search flight deals

Frequently asked questions about flying from Illinois to Estonia

When did momondo last update prices for flights from Illinois to Estonia?
Prices for flights from Illinois to Estonia were last updated today.
How many operators does momondo search for flights from Illinois to Estonia?
The number of operators available for flights from Illinois to Estonia is 4 as of August 2026.
How old do you have to be to fly from Illinois 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 Illinois 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 Illinois to Estonia

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $437	Free Cancellation	Rating 7.4 1,963 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $486	Free Cancellation	Rating 7.4 10,115 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 8,214 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 Illinois to Estonia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Estonia for you.

Can I find flights from Illinois to Estonia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Estonia flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Estonia?

momondo helps you find the best flight between Illinois and Estonia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to Estonia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Estonia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Estonia and let you know when they change.

An easier way to manage your Estonia trip

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Flights to Tallinnfrom $504

Flights to Tartufrom $662

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Cheap flights from Illinois to Estonia from $338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Estonia departing on 12/5. 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 Illinois to Estonia

Our best Scandinavian Airlines deals on Illinois to Estonia flight tickets

British Airways flights from Illinois to Estonia

Our best British Airways deals on Illinois to Estonia flight tickets

momondo Fare Finder

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

See travel insights to Estonia from

How to get the cheapest flight ticket from Illinois to Estonia

What is the cheapest month to fly to Estonia?

Can stopping save me money on Illinois to Estonia flights?

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

What airlines fly to Estonia?

Cheap Illinois to Estonia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Illinois to Estonia

Best airlines flying from Illinois to Estonia

Compare and see reviews for airlines that fly from Illinois 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

Illinois flight routes

According to popular flight searches on momondo this year

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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